platform/kernel/linux-starfive.git
19 months agoocfs2: always read both high and low parts of dinode link count
Alexey Asemov [Sun, 27 Nov 2022 06:46:38 +0000 (09:46 +0300)]
ocfs2: always read both high and low parts of dinode link count

When filesystem is using indexed-dirs feature, maximum link count values
can spill over to i_links_count_hi, up to OCFS2_DX_LINK_MAX links.
ocfs2_read_links_count() checks for OCFS2_INDEXED_DIR_FL flag in dinode,
but this flag is only valid for directories so for files the check causes
high part of the link count not being read back from file dinodes
resulting in wrong link count value when file has >65535 links.

As ocfs2_set_links_count() always writes both high and low parts of link
count, the flag check on reading may be removed.

Link: https://lkml.kernel.org/r/cbfca02b-b39f-89de-e1a8-904a6c60407e@alex-at.net
Signed-off-by: Alexey Asemov <alex@alex-at.net>
Reviewed-by: Joseph Qi <joseph.qi@linux.alibaba.com>
Cc: Mark Fasheh <mark@fasheh.com>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Cc: Changwei Ge <gechangwei@live.cn>
Cc: Gang He <ghe@suse.com>
Cc: Jun Piao <piaojun@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
19 months agoio-mapping: move some code within the include guarded section
Christophe JAILLET [Sun, 27 Nov 2022 16:07:32 +0000 (17:07 +0100)]
io-mapping: move some code within the include guarded section

It is spurious to have some code out-side the include guard in a .h file.
Fix it.

Link: https://lkml.kernel.org/r/4dbaf427d4300edba6c6bbfaf4d57493b9bec6ee.1669565241.git.christophe.jaillet@wanadoo.fr
Fixes: 1fbaf8fc12a0 ("mm: add a io_mapping_map_user helper")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
19 months agokernel: kcsan: kcsan_test: build without structleak plugin
Anders Roxell [Mon, 28 Nov 2022 10:43:58 +0000 (11:43 +0100)]
kernel: kcsan: kcsan_test: build without structleak plugin

Building kcsan_test with structleak plugin enabled makes the stack frame
size to grow.

kernel/kcsan/kcsan_test.c:704:1: error: the frame size of 3296 bytes is larger than 2048 bytes [-Werror=frame-larger-than=]

Turn off the structleak plugin checks for kcsan_test.

Link: https://lkml.kernel.org/r/20221128104358.2660634-1-anders.roxell@linaro.org
Signed-off-by: Anders Roxell <anders.roxell@linaro.org>
Suggested-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Marco Elver <elver@google.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: David Gow <davidgow@google.com>
Cc: Jason A. Donenfeld <Jason@zx2c4.com>
Cc: Kees Cook <keescook@chromium.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
19 months agomailmap: update email for Iskren Chernev
Iskren Chernev [Thu, 24 Nov 2022 11:43:56 +0000 (13:43 +0200)]
mailmap: update email for Iskren Chernev

I'm sunsetting my gmail account and moving to personal domain.

Link: https://lkml.kernel.org/r/20221124114356.2187901-1-me@iskren.info
Signed-off-by: Iskren Chernev <me@iskren.info>
Acked-by: Iskren Chernev <iskren.chernev@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
19 months agoeventfd: change int to __u64 in eventfd_signal() ifndef CONFIG_EVENTFD
Zhang Qilong [Thu, 24 Nov 2022 14:01:54 +0000 (22:01 +0800)]
eventfd: change int to __u64 in eventfd_signal() ifndef CONFIG_EVENTFD

Commit ee62c6b2dc93 ("eventfd: change int to __u64 in eventfd_signal()")
forgot to change int to __u64 in the CONFIG_EVENTFD=n stub function.

Link: https://lkml.kernel.org/r/20221124140154.104680-1-zhangqilong3@huawei.com
Fixes: ee62c6b2dc93 ("eventfd: change int to __u64 in eventfd_signal()")
Signed-off-by: Zhang Qilong <zhangqilong3@huawei.com>
Cc: Dylan Yudaken <dylany@fb.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Sha Zhengju <handai.szj@taobao.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
19 months agorapidio: fix possible UAF when kfifo_alloc() fails
Wang Weiyang [Wed, 23 Nov 2022 09:51:47 +0000 (17:51 +0800)]
rapidio: fix possible UAF when kfifo_alloc() fails

If kfifo_alloc() fails in mport_cdev_open(), goto err_fifo and just free
priv. But priv is still in the chdev->file_list, then list traversal
may cause UAF. This fixes the following smatch warning:

drivers/rapidio/devices/rio_mport_cdev.c:1930 mport_cdev_open() warn: '&priv->list' not removed from list

Link: https://lkml.kernel.org/r/20221123095147.52408-1-wangweiyang2@huawei.com
Fixes: e8de370188d0 ("rapidio: add mport char device driver")
Signed-off-by: Wang Weiyang <wangweiyang2@huawei.com>
Cc: Alexandre Bounine <alex.bou9@gmail.com>
Cc: Dan Carpenter <error27@gmail.com>
Cc: Jakob Koschel <jakobkoschel@gmail.com>
Cc: John Hubbard <jhubbard@nvidia.com>
Cc: Matt Porter <mporter@kernel.crashing.org>
Cc: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
19 months agorelay: use strscpy() is more robust and safer
Xu Panda [Tue, 22 Nov 2022 00:53:25 +0000 (08:53 +0800)]
relay: use strscpy() is more robust and safer

The implementation of strscpy() is more robust and safer.  That's now the
recommended way to copy NUL terminated strings.

Link: https://lkml.kernel.org/r/202211220853259244666@zte.com.cn
Signed-off-by: Xu Panda <xu.panda@zte.com.cn>
Signed-off-by: Yang Yang <yang.yang29@zte.com>
Cc: Colin Ian King <colin.i.king@gmail.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: wuchi <wuchi.zero@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
19 months agoLinux 6.1 upstream v6.1
Linus Torvalds [Sun, 11 Dec 2022 22:15:18 +0000 (14:15 -0800)]
Linux 6.1

19 months agoMerge tag 'iommu-fix-v6.1-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/joro...
Linus Torvalds [Sun, 11 Dec 2022 17:49:39 +0000 (09:49 -0800)]
Merge tag 'iommu-fix-v6.1-rc8' of git://git./linux/kernel/git/joro/iommu

Pull iommu fix from Joerg Roedel:

 - Fix device mask to catch all affected devices in the recently added
   quirk for QAT devices in the Intel VT-d driver.

* tag 'iommu-fix-v6.1-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
  iommu/vt-d: Fix buggy QAT device mask

19 months agoMerge tag 'mm-hotfixes-stable-2022-12-10-1' of git://git.kernel.org/pub/scm/linux...
Linus Torvalds [Sun, 11 Dec 2022 01:10:52 +0000 (17:10 -0800)]
Merge tag 'mm-hotfixes-stable-2022-12-10-1' of git://git./linux/kernel/git/akpm/mm

Pull misc fixes from Andrew Morton:
 "Nine hotfixes.

  Six for MM, three for other areas. Four of these patches address
  post-6.0 issues"

* tag 'mm-hotfixes-stable-2022-12-10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
  memcg: fix possible use-after-free in memcg_write_event_control()
  MAINTAINERS: update Muchun Song's email
  mm/gup: fix gup_pud_range() for dax
  mmap: fix do_brk_flags() modifying obviously incorrect VMAs
  mm/swap: fix SWP_PFN_BITS with CONFIG_PHYS_ADDR_T_64BIT on 32bit
  tmpfs: fix data loss from failed fallocate
  kselftests: cgroup: update kmem test precision tolerance
  mm: do not BUG_ON missing brk mapping, because userspace can unmap it
  mailmap: update Matti Vaittinen's email address

19 months agoMerge tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm
Linus Torvalds [Sat, 10 Dec 2022 18:14:52 +0000 (10:14 -0800)]
Merge tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm

Pull ARM fix from Russell King:
 "One further ARM fix for 6.1 from Wang Kefeng, fixing up the handling
  for kfence faults"

* tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm:
  ARM: 9278/1: kfence: only handle translation faults

19 months agomemcg: fix possible use-after-free in memcg_write_event_control()
Tejun Heo [Thu, 8 Dec 2022 02:53:15 +0000 (16:53 -1000)]
memcg: fix possible use-after-free in memcg_write_event_control()

memcg_write_event_control() accesses the dentry->d_name of the specified
control fd to route the write call.  As a cgroup interface file can't be
renamed, it's safe to access d_name as long as the specified file is a
regular cgroup file.  Also, as these cgroup interface files can't be
removed before the directory, it's safe to access the parent too.

Prior to 347c4a874710 ("memcg: remove cgroup_event->cft"), there was a
call to __file_cft() which verified that the specified file is a regular
cgroupfs file before further accesses.  The cftype pointer returned from
__file_cft() was no longer necessary and the commit inadvertently dropped
the file type check with it allowing any file to slip through.  With the
invarients broken, the d_name and parent accesses can now race against
renames and removals of arbitrary files and cause use-after-free's.

Fix the bug by resurrecting the file type check in __file_cft().  Now that
cgroupfs is implemented through kernfs, checking the file operations needs
to go through a layer of indirection.  Instead, let's check the superblock
and dentry type.

Link: https://lkml.kernel.org/r/Y5FRm/cfcKPGzWwl@slm.duckdns.org
Fixes: 347c4a874710 ("memcg: remove cgroup_event->cft")
Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: Jann Horn <jannh@google.com>
Acked-by: Roman Gushchin <roman.gushchin@linux.dev>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Muchun Song <songmuchun@bytedance.com>
Cc: Shakeel Butt <shakeelb@google.com>
Cc: <stable@vger.kernel.org> [3.14+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
19 months agoMAINTAINERS: update Muchun Song's email
Muchun Song [Thu, 8 Dec 2022 11:55:48 +0000 (19:55 +0800)]
MAINTAINERS: update Muchun Song's email

I'm moving to the @linux.dev account.  Map my old addresses and update it
to my new address.

Link: https://lkml.kernel.org/r/20221208115548.85244-1-songmuchun@bytedance.com
Signed-off-by: Muchun Song <songmuchun@bytedance.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
19 months agomm/gup: fix gup_pud_range() for dax
John Starks [Wed, 7 Dec 2022 06:00:53 +0000 (22:00 -0800)]
mm/gup: fix gup_pud_range() for dax

For dax pud, pud_huge() returns true on x86. So the function works as long
as hugetlb is configured. However, dax doesn't depend on hugetlb.
Commit 414fd080d125 ("mm/gup: fix gup_pmd_range() for dax") fixed
devmap-backed huge PMDs, but missed devmap-backed huge PUDs. Fix this as
well.

This fixes the below kernel panic:

general protection fault, probably for non-canonical address 0x69e7c000cc478: 0000 [#1] SMP
< snip >
Call Trace:
<TASK>
get_user_pages_fast+0x1f/0x40
iov_iter_get_pages+0xc6/0x3b0
? mempool_alloc+0x5d/0x170
bio_iov_iter_get_pages+0x82/0x4e0
? bvec_alloc+0x91/0xc0
? bio_alloc_bioset+0x19a/0x2a0
blkdev_direct_IO+0x282/0x480
? __io_complete_rw_common+0xc0/0xc0
? filemap_range_has_page+0x82/0xc0
generic_file_direct_write+0x9d/0x1a0
? inode_update_time+0x24/0x30
__generic_file_write_iter+0xbd/0x1e0
blkdev_write_iter+0xb4/0x150
? io_import_iovec+0x8d/0x340
io_write+0xf9/0x300
io_issue_sqe+0x3c3/0x1d30
? sysvec_reschedule_ipi+0x6c/0x80
__io_queue_sqe+0x33/0x240
? fget+0x76/0xa0
io_submit_sqes+0xe6a/0x18d0
? __fget_light+0xd1/0x100
__x64_sys_io_uring_enter+0x199/0x880
? __context_tracking_enter+0x1f/0x70
? irqentry_exit_to_user_mode+0x24/0x30
? irqentry_exit+0x1d/0x30
? __context_tracking_exit+0xe/0x70
do_syscall_64+0x3b/0x90
entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7fc97c11a7be
< snip >
</TASK>
---[ end trace 48b2e0e67debcaeb ]---
RIP: 0010:internal_get_user_pages_fast+0x340/0x990
< snip >
Kernel panic - not syncing: Fatal exception
Kernel Offset: disabled

Link: https://lkml.kernel.org/r/1670392853-28252-1-git-send-email-ssengar@linux.microsoft.com
Fixes: 414fd080d125 ("mm/gup: fix gup_pmd_range() for dax")
Signed-off-by: John Starks <jostarks@microsoft.com>
Signed-off-by: Saurabh Sengar <ssengar@linux.microsoft.com>
Cc: Jan Kara <jack@suse.cz>
Cc: Yu Zhao <yuzhao@google.com>
Cc: Jason Gunthorpe <jgg@nvidia.com>
Cc: John Hubbard <jhubbard@nvidia.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Alistair Popple <apopple@nvidia.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
19 months agommap: fix do_brk_flags() modifying obviously incorrect VMAs
Liam Howlett [Mon, 5 Dec 2022 19:23:17 +0000 (19:23 +0000)]
mmap: fix do_brk_flags() modifying obviously incorrect VMAs

Add more sanity checks to the VMA that do_brk_flags() will expand.  Ensure
the VMA matches basic merge requirements within the function before
calling can_vma_merge_after().

Drop the duplicate checks from vm_brk_flags() since they will be enforced
later.

The old code would expand file VMAs on brk(), which is functionally
wrong and also dangerous in terms of locking because the brk() path
isn't designed for file VMAs and therefore doesn't lock the file
mapping.  Checking can_vma_merge_after() ensures that new anonymous
VMAs can't be merged into file VMAs.

See https://lore.kernel.org/linux-mm/CAG48ez1tJZTOjS_FjRZhvtDA-STFmdw8PEizPDwMGFd_ui0Nrw@mail.gmail.com/

Link: https://lkml.kernel.org/r/20221205192304.1957418-1-Liam.Howlett@oracle.com
Fixes: 2e7ce7d354f2 ("mm/mmap: change do_brk_flags() to expand existing VMA and add do_brk_munmap()")
Signed-off-by: Liam R. Howlett <Liam.Howlett@oracle.com>
Suggested-by: Jann Horn <jannh@google.com>
Cc: Jason A. Donenfeld <Jason@zx2c4.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: SeongJae Park <sj@kernel.org>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Yu Zhao <yuzhao@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
19 months agomm/swap: fix SWP_PFN_BITS with CONFIG_PHYS_ADDR_T_64BIT on 32bit
David Hildenbrand [Mon, 5 Dec 2022 15:08:57 +0000 (16:08 +0100)]
mm/swap: fix SWP_PFN_BITS with CONFIG_PHYS_ADDR_T_64BIT on 32bit

We use "unsigned long" to store a PFN in the kernel and phys_addr_t to
store a physical address.

On a 64bit system, both are 64bit wide.  However, on a 32bit system, the
latter might be 64bit wide.  This is, for example, the case on x86 with
PAE: phys_addr_t and PTEs are 64bit wide, while "unsigned long" only spans
32bit.

The current definition of SWP_PFN_BITS without MAX_PHYSMEM_BITS misses
that case, and assumes that the maximum PFN is limited by an 32bit
phys_addr_t.  This implies, that SWP_PFN_BITS will currently only be able
to cover 4 GiB - 1 on any 32bit system with 4k page size, which is wrong.

Let's rely on the number of bits in phys_addr_t instead, but make sure to
not exceed the maximum swap offset, to not make the BUILD_BUG_ON() in
is_pfn_swap_entry() unhappy.  Note that swp_entry_t is effectively an
unsigned long and the maximum swap offset shares that value with the swap
type.

For example, on an 8 GiB x86 PAE system with a kernel config based on
Debian 11.5 (-> CONFIG_FLATMEM=y, CONFIG_X86_PAE=y), we will currently
fail removing migration entries (remove_migration_ptes()), because
mm/page_vma_mapped.c:check_pte() will fail to identify a PFN match as
swp_offset_pfn() wrongly masks off PFN bits.  For example,
split_huge_page_to_list()->...->remap_page() will leave migration entries
in place and continue to unlock the page.

Later, when we stumble over these migration entries (e.g., via
/proc/self/pagemap), pfn_swap_entry_to_page() will BUG_ON() because these
migration entries shouldn't exist anymore and the page was unlocked.

[   33.067591] kernel BUG at include/linux/swapops.h:497!
[   33.067597] invalid opcode: 0000 [#1] PREEMPT SMP NOPTI
[   33.067602] CPU: 3 PID: 742 Comm: cow Tainted: G            E      6.1.0-rc8+ #16
[   33.067605] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.0-1.fc36 04/01/2014
[   33.067606] EIP: pagemap_pmd_range+0x644/0x650
[   33.067612] Code: 00 00 00 00 66 90 89 ce b9 00 f0 ff ff e9 ff fb ff ff 89 d8 31 db e8 48 c6 52 00 e9 23 fb ff ff e8 61 83 56 00 e9 b6 fe ff ff <0f> 0b bf 00 f0 ff ff e9 38 fa ff ff 3e 8d 74 26 00 55 89 e5 57 31
[   33.067615] EAX: ee394000 EBX: 00000002 ECX: ee394000 EDX: 00000000
[   33.067617] ESI: c1b0ded4 EDI: 00024a00 EBP: c1b0ddb4 ESP: c1b0dd68
[   33.067619] DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 EFLAGS: 00010246
[   33.067624] CR0: 80050033 CR2: b7a00000 CR3: 01bbbd20 CR4: 00350ef0
[   33.067625] Call Trace:
[   33.067628]  ? madvise_free_pte_range+0x720/0x720
[   33.067632]  ? smaps_pte_range+0x4b0/0x4b0
[   33.067634]  walk_pgd_range+0x325/0x720
[   33.067637]  ? mt_find+0x1d6/0x3a0
[   33.067641]  ? mt_find+0x1d6/0x3a0
[   33.067643]  __walk_page_range+0x164/0x170
[   33.067646]  walk_page_range+0xf9/0x170
[   33.067648]  ? __kmem_cache_alloc_node+0x2a8/0x340
[   33.067653]  pagemap_read+0x124/0x280
[   33.067658]  ? default_llseek+0x101/0x160
[   33.067662]  ? smaps_account+0x1d0/0x1d0
[   33.067664]  vfs_read+0x90/0x290
[   33.067667]  ? do_madvise.part.0+0x24b/0x390
[   33.067669]  ? debug_smp_processor_id+0x12/0x20
[   33.067673]  ksys_pread64+0x58/0x90
[   33.067675]  __ia32_sys_ia32_pread64+0x1b/0x20
[   33.067680]  __do_fast_syscall_32+0x4c/0xc0
[   33.067683]  do_fast_syscall_32+0x29/0x60
[   33.067686]  do_SYSENTER_32+0x15/0x20
[   33.067689]  entry_SYSENTER_32+0x98/0xf1

Decrease the indentation level of SWP_PFN_BITS and SWP_PFN_MASK to keep it
readable and consistent.

[david@redhat.com: rely on sizeof(phys_addr_t) and min_t() instead]
Link: https://lkml.kernel.org/r/20221206105737.69478-1-david@redhat.com
[david@redhat.com: use "int" for comparison, as we're only comparing numbers < 64]
Link: https://lkml.kernel.org/r/1f157500-2676-7cef-a84e-9224ed64e540@redhat.com
Link: https://lkml.kernel.org/r/20221205150857.167583-1-david@redhat.com
Fixes: 0d206b5d2e0d ("mm/swap: add swp_offset_pfn() to fetch PFN from swap entry")
Signed-off-by: David Hildenbrand <david@redhat.com>
Acked-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Yang Shi <shy828301@gmail.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
19 months agotmpfs: fix data loss from failed fallocate
Hugh Dickins [Mon, 5 Dec 2022 00:51:50 +0000 (16:51 -0800)]
tmpfs: fix data loss from failed fallocate

Fix tmpfs data loss when the fallocate system call is interrupted by a
signal, or fails for some other reason.  The partial folio handling in
shmem_undo_range() forgot to consider this unfalloc case, and was liable
to erase or truncate out data which had already been committed earlier.

It turns out that none of the partial folio handling there is appropriate
for the unfalloc case, which just wants to proceed to removal of whole
folios: which find_get_entries() provides, even when partially covered.

Original patch by Rui Wang.

Link: https://lore.kernel.org/linux-mm/33b85d82.7764.1842e9ab207.Coremail.chenguoqic@163.com/
Link: https://lkml.kernel.org/r/a5dac112-cf4b-7af-a33-f386e347fd38@google.com
Fixes: b9a8a4195c7d ("truncate,shmem: Handle truncates that split large folios")
Signed-off-by: Hugh Dickins <hughd@google.com>
Reported-by: Guoqi Chen <chenguoqic@163.com>
Link: https://lore.kernel.org/all/20221101032248.819360-1-kernel@hev.cc/
Cc: Rui Wang <kernel@hev.cc>
Cc: Huacai Chen <chenhuacai@loongson.cn>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Vishal Moola (Oracle) <vishal.moola@gmail.com>
Cc: <stable@vger.kernel.org> [5.17+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
19 months agokselftests: cgroup: update kmem test precision tolerance
Michal Hocko [Fri, 2 Dec 2022 08:50:26 +0000 (09:50 +0100)]
kselftests: cgroup: update kmem test precision tolerance

1813e51eece0 ("memcg: increase MEMCG_CHARGE_BATCH to 64") has changed
the batch size while this test case has been left behind. This has led
to a test failure reported by test bot:
not ok 2 selftests: cgroup: test_kmem # exit=1

Update the tolerance for the pcp charges to reflect the
MEMCG_CHARGE_BATCH change to fix this.

[akpm@linux-foundation.org: update comments, per Roman]
Link: https://lkml.kernel.org/r/Y4m8Unt6FhWKC6IH@dhcp22.suse.cz
Fixes: 1813e51eece0a ("memcg: increase MEMCG_CHARGE_BATCH to 64")
Signed-off-by: Michal Hocko <mhocko@suse.com>
Reported-by: kernel test robot <yujie.liu@intel.com>
Link: https://lore.kernel.org/oe-lkp/202212010958.c1053bd3-yujie.liu@intel.com
Acked-by: Shakeel Butt <shakeelb@google.com>
Acked-by: Roman Gushchin <roman.gushchin@linux.dev>
Tested-by: Yujie Liu <yujie.liu@intel.com>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Feng Tang <feng.tang@intel.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: "Michal Koutný" <mkoutny@suse.com>
Cc: Muchun Song <songmuchun@bytedance.com>
Cc: Soheil Hassas Yeganeh <soheil@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
19 months agomm: do not BUG_ON missing brk mapping, because userspace can unmap it
Jason A. Donenfeld [Fri, 2 Dec 2022 16:27:24 +0000 (17:27 +0100)]
mm: do not BUG_ON missing brk mapping, because userspace can unmap it

The following program will trigger the BUG_ON that this patch removes,
because the user can munmap() mm->brk:

  #include <sys/syscall.h>
  #include <sys/mman.h>
  #include <assert.h>
  #include <unistd.h>

  static void *brk_now(void)
  {
    return (void *)syscall(SYS_brk, 0);
  }

  static void brk_set(void *b)
  {
    assert(syscall(SYS_brk, b) != -1);
  }

  int main(int argc, char *argv[])
  {
    void *b = brk_now();
    brk_set(b + 4096);
    assert(munmap(b - 4096, 4096 * 2) == 0);
    brk_set(b);
    return 0;
  }

Compile that with musl, since glibc actually uses brk(), and then
execute it, and it'll hit this splat:

  kernel BUG at mm/mmap.c:229!
  invalid opcode: 0000 [#1] PREEMPT SMP
  CPU: 12 PID: 1379 Comm: a.out Tainted: G S   U             6.1.0-rc7+ #419
  RIP: 0010:__do_sys_brk+0x2fc/0x340
  Code: 00 00 4c 89 ef e8 04 d3 fe ff eb 9a be 01 00 00 00 4c 89 ff e8 35 e0 fe ff e9 6e ff ff ff 4d 89 a7 20>
  RSP: 0018:ffff888140bc7eb0 EFLAGS: 00010246
  RAX: 0000000000000000 RBX: 00000000007e7000 RCX: ffff8881020fe000
  RDX: ffff8881020fe001 RSI: ffff8881955c9b00 RDI: ffff8881955c9b08
  RBP: 0000000000000000 R08: ffff8881955c9b00 R09: 00007ffc77844000
  R10: 0000000000000000 R11: 0000000000000001 R12: 00000000007e8000
  R13: 00000000007e8000 R14: 00000000007e7000 R15: ffff8881020fe000
  FS:  0000000000604298(0000) GS:ffff88901f700000(0000) knlGS:0000000000000000
  CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
  CR2: 0000000000603fe0 CR3: 000000015ba9a005 CR4: 0000000000770ee0
  PKRU: 55555554
  Call Trace:
   <TASK>
   do_syscall_64+0x2b/0x50
   entry_SYSCALL_64_after_hwframe+0x46/0xb0
  RIP: 0033:0x400678
  Code: 10 4c 8d 41 08 4c 89 44 24 10 4c 8b 01 8b 4c 24 08 83 f9 2f 77 0a 4c 8d 4c 24 20 4c 01 c9 eb 05 48 8b>
  RSP: 002b:00007ffc77863890 EFLAGS: 00000212 ORIG_RAX: 000000000000000c
  RAX: ffffffffffffffda RBX: 000000000040031b RCX: 0000000000400678
  RDX: 00000000004006a1 RSI: 00000000007e6000 RDI: 00000000007e7000
  RBP: 00007ffc77863900 R08: 0000000000000000 R09: 00000000007e6000
  R10: 00007ffc77863930 R11: 0000000000000212 R12: 00007ffc77863978
  R13: 00007ffc77863988 R14: 0000000000000000 R15: 0000000000000000
   </TASK>

Instead, just return the old brk value if the original mapping has been
removed.

[akpm@linux-foundation.org: fix changelog, per Liam]
Link: https://lkml.kernel.org/r/20221202162724.2009-1-Jason@zx2c4.com
Fixes: 2e7ce7d354f2 ("mm/mmap: change do_brk_flags() to expand existing VMA and add do_brk_munmap()")
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Acked-by: Vlastimil Babka <vbabka@suse.cz>
Reviewed-by: Liam R. Howlett <Liam.Howlett@oracle.com>
Reviewed-by: SeongJae Park <sj@kernel.org>
Cc: Yu Zhao <yuzhao@google.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Sven Schnelle <svens@linux.ibm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Jann Horn <jannh@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
19 months agomailmap: update Matti Vaittinen's email address
Matti Vaittinen [Thu, 1 Dec 2022 16:45:40 +0000 (18:45 +0200)]
mailmap: update Matti Vaittinen's email address

The email backend used by ROHM keeps labeling patches as spam.  This can
result in missing the patches.

Switch my mail address from a company mail to a personal one.

Link: https://lkml.kernel.org/r/8f4498b66fedcbded37b3b87e0c516e659f8f583.1669912977.git.mazziesaccount@gmail.com
Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Suggested-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Cc: Anup Patel <anup@brainfault.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Atish Patra <atishp@atishpatra.org>
Cc: Baolin Wang <baolin.wang@linux.alibaba.com>
Cc: Ben Widawsky <bwidawsk@kernel.org>
Cc: Bjorn Andersson <andersson@kernel.org>
Cc: Christian Brauner <brauner@kernel.org>
Cc: Colin Ian King <colin.i.king@gmail.com>
Cc: Kirill Tkhai <tkhai@ya.ru>
Cc: Qais Yousef <qyousef@layalina.io>
Cc: Vasily Averin <vasily.averin@linux.dev>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
19 months agoDocumentation/rv: Add verification/rv man pages
Daniel Bristot de Oliveira [Fri, 11 Nov 2022 15:53:07 +0000 (16:53 +0100)]
Documentation/rv: Add verification/rv man pages

Add man pages for the rv command line, using the same scheme we used
in rtla.

Link: https://lkml.kernel.org/r/e841d7cfbdfc3ebdaf7cbd40278571940145d829.1668180100.git.bristot@kernel.org
Cc: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Daniel Bristot de Oliveira <bristot@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
19 months agotools/rv: Add in-kernel monitor interface
Daniel Bristot de Oliveira [Fri, 11 Nov 2022 15:53:06 +0000 (16:53 +0100)]
tools/rv: Add in-kernel monitor interface

Add the ability to control and trace in-kernel monitors. This is
a generic interface, it will check for existing monitors and enable
standard setup, like enabling reactors.

For example:

  # rv list
  wip                      wakeup in preemptive per-cpu testing monitor. [OFF]
  wwnr                     wakeup while not running per-task testing model. [OFF]

  # rv mon wwnr --help
  rv version 6.1.0-rc4: help

  usage: rv mon wwnr [-h] [-q] [-r reactor] [-s] [-v]
-h/--help: print this menu and the reactor list
-r/--reactor 'reactor': enables the 'reactor'
-s/--self: when tracing (-t), also trace rv command
-t/--trace: trace monitor's event
-v/--verbose: print debug messages

  available reactors: nop printk panic

  # rv mon wwnr --trace
          <TASK>-PID      [CPU]  TYPE       ID                    STATE x EVENT                    -> NEXT_STATE               FINAL
              |   |          |     |        |                        |     |                           |                       |
              rv-3613     [001] event     3613                  running x switch_out               -> not_running              Y
            sshd-1248     [005] event     1248                  running x switch_out               -> not_running              Y
          <idle>-0        [005] event       71              not_running x wakeup                   -> not_running              Y
          <idle>-0        [005] event       71              not_running x switch_in                -> running                  N
      kcompactd0-71       [005] event       71                  running x switch_out               -> not_running              Y
          <idle>-0        [000] event      860              not_running x wakeup                   -> not_running              Y
          <idle>-0        [000] event      860              not_running x switch_in                -> running                  N
    systemd-oomd-860      [000] event      860                  running x switch_out               -> not_running              Y
          <idle>-0        [000] event      860              not_running x wakeup                   -> not_running              Y
          <idle>-0        [000] event      860              not_running x switch_in                -> running                  N
    systemd-oomd-860      [000] event      860                  running x switch_out               -> not_running              Y
          <idle>-0        [005] event       71              not_running x wakeup                   -> not_running              Y
          <idle>-0        [005] event       71              not_running x switch_in                -> running                  N
      kcompactd0-71       [005] event       71                  running x switch_out               -> not_running              Y
          <idle>-0        [000] event      860              not_running x wakeup                   -> not_running              Y
          <idle>-0        [000] event      860              not_running x switch_in                -> running                  N
    systemd-oomd-860      [000] event      860                  running x switch_out               -> not_running              Y
          <idle>-0        [001] event     3613              not_running x wakeup                   -> not_running              Y

Link: https://lkml.kernel.org/r/1e57547e3acadda6e23949b2672c89e76ec2ec42.1668180100.git.bristot@kernel.org
Cc: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Daniel Bristot de Oliveira <bristot@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
19 months agorv: Add rv tool
Daniel Bristot de Oliveira [Fri, 11 Nov 2022 15:53:05 +0000 (16:53 +0100)]
rv: Add rv tool

This is the (user-space) runtime verification tool, named rv.

This tool aims to be the interface for in-kernel rv monitors, as
well as the home for monitors in user-space (online asynchronous),
and in *eBPF.

The tool receives a command as the first argument, the current
commands are:

  list - list all available monitors
  mon - run a given monitor

Each monitor is an independent piece of software inside the
tool and can have their own arguments.

There is no monitor implemented in this patch, it only
adds the basic structure of the tool, based on rtla.

  # rv --help
    rv version 6.1.0-rc4: help

    usage: rv command [-h] [command_options]

-h/--help: print this menu

command: run one of the following command:
  list: list all available monitors
  mon:  run a monitor

[command options]: each command has its own set of options
           run rv command -h for further information

*dot2bpf is the next patch set, depends on this, doing cleanups.

Link: https://lkml.kernel.org/r/fb51184f3b95aea0d7bfdc33ec09f4153aee84fa.1668180100.git.bristot@kernel.org
Cc: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Daniel Bristot de Oliveira <bristot@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
19 months agortla: Fix exit status when returning from calls to usage()
John Kacur [Mon, 7 Nov 2022 14:43:13 +0000 (09:43 -0500)]
rtla: Fix exit status when returning from calls to usage()

rtla_usage(), osnoise_usage() and timerlat_usage() all exit with an
error status.

However when these are called from help, they should exit with a
non-error status.

Fix this by passing the exit status to the functions.

Note, although we remove the subsequent call to exit after calling
usage, we leave it in at the end of a function to suppress the compiler
warning "control reaches end of a non-void function".

Link: https://lkml.kernel.org/r/20221107144313.22470-1-jkacur@redhat.com
Signed-off-by: John Kacur <jkacur@redhat.com>
Acked-by: Daniel Bristot de Oliveira <bristot@kernel.org>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
19 months agoMIPS: OCTEON: warn only once if deprecated link status is being used
Ladislav Michl [Thu, 8 Dec 2022 11:25:57 +0000 (12:25 +0100)]
MIPS: OCTEON: warn only once if deprecated link status is being used

Avoid flooding kernel log with warnings.

Fixes: 2c0756d306c2 ("MIPS: OCTEON: warn if deprecated link status is being used")
Signed-off-by: Ladislav Michl <ladis@linux-mips.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
19 months agoMIPS: BCM63xx: Add check for NULL for clk in clk_enable
Anastasia Belova [Fri, 9 Dec 2022 10:05:50 +0000 (13:05 +0300)]
MIPS: BCM63xx: Add check for NULL for clk in clk_enable

Check clk for NULL before calling clk_enable_unlocked where clk
is dereferenced. There is such check in other implementations
of clk_enable.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Fixes: e7300d04bd08 ("MIPS: BCM63xx: Add support for the Broadcom BCM63xx family of SOCs.")
Signed-off-by: Anastasia Belova <abelova@astralinux.ru>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
19 months agoMerge tag 'media/v6.1-4' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab...
Linus Torvalds [Fri, 9 Dec 2022 18:45:51 +0000 (10:45 -0800)]
Merge tag 'media/v6.1-4' of git://git./linux/kernel/git/mchehab/linux-media

Pull media fix from Mauro Carvalho Chehab:
 "A v4l-core fix related to validating DV timings related to video
  blanking values"

* tag 'media/v6.1-4' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
  media: v4l2-dv-timings.c: fix too strict blanking sanity checks

19 months agoMerge tag 'soc-fixes-6.1-6' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Linus Torvalds [Fri, 9 Dec 2022 18:32:40 +0000 (10:32 -0800)]
Merge tag 'soc-fixes-6.1-6' of git://git./linux/kernel/git/soc/soc

Pull ARM SoC fix from Arnd Bergmann:
 "One more last minute revert for a boot regression that was found on
  the popular colibri-imx7"

* tag 'soc-fixes-6.1-6' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
  Revert "ARM: dts: imx7: Fix NAND controller size-cells"

19 months agoMerge tag 'timers-v6.2-rc1' of https://git.linaro.org/people/daniel.lezcano/linux...
Thomas Gleixner [Fri, 9 Dec 2022 15:41:58 +0000 (16:41 +0100)]
Merge tag 'timers-v6.2-rc1' of https://git.linaro.org/people/daniel.lezcano/linux into timers/core

Pull clockevent/source driver updates from Daniel Lezcano:

  - Add DT bindings for the Rockchip rk3128 timer (Johan Jonker)

  - Change the DT bindings for the npcm7xx timer in order to specify
    multiple clocks and enable the clock for the timer1 on WPCM450
    (Jonathan Neuschäfer)

  - Fix the timer duration being too long the ARM architected timer in
    order to prevent an integer overflow leading to a negative value and
    an immediate interruption (Joe Korty)

  - Fix an unused pointer warning reported by lkp and some cleanups in
    the timer TI dm (Tony Lindgren)

  - Fix a missing call to clk_disable_unprepare() in the error path at
    init time on the timer TI dm (Yang Yingliang)

  - Use kstrtobool() instead of strtobool() in the ARM architected timer
    (Christophe JAILLET)

  - Add DT bindings for r8a779g0 on Renesas platform (Wolfram Sang)

Link: https://lore.kernel.org/all/3c4c3bb2-b849-0c87-0948-8a36984bdde4@linaro.org
19 months agox86/vdso: Conditionally export __vdso_sgx_enter_enclave()
Nathan Chancellor [Wed, 9 Nov 2022 00:03:07 +0000 (17:03 -0700)]
x86/vdso: Conditionally export __vdso_sgx_enter_enclave()

Recently, ld.lld moved from '--undefined-version' to
'--no-undefined-version' as the default, which breaks building the vDSO
when CONFIG_X86_SGX is not set:

  ld.lld: error: version script assignment of 'LINUX_2.6' to symbol '__vdso_sgx_enter_enclave' failed: symbol not defined

__vdso_sgx_enter_enclave is only included in the vDSO when
CONFIG_X86_SGX is set. Only export it if it will be present in the final
object, which clears up the error.

Fixes: 8466436952017 ("x86/vdso: Implement a vDSO for Intel SGX enclave call")
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Link: https://github.com/ClangBuiltLinux/linux/issues/1756
Link: https://lore.kernel.org/r/20221109000306.1407357-1-nathan@kernel.org
19 months agoktest.pl: Add shell commands to variables
Steven Rostedt (Google) [Thu, 8 Dec 2022 02:29:44 +0000 (21:29 -0500)]
ktest.pl: Add shell commands to variables

Allow variables to execute shell commands. Note, these are processed when
they are first seen while parsing the config file. This is useful if you
have the same config file used for multiple hosts (as they may be in a git
repository).

 HOSTNAME := ${shell hostname}
 DEFAULTS IF "${HOSTNAME}" == "frodo"

Link: https://lkml.kernel.org/r/20221207212944.277ee850@gandalf.local.home
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
19 months agoMerge tag 'drm-fixes-2022-12-09' of git://anongit.freedesktop.org/drm/drm
Linus Torvalds [Fri, 9 Dec 2022 00:58:31 +0000 (16:58 -0800)]
Merge tag 'drm-fixes-2022-12-09' of git://anongit.freedesktop.org/drm/drm

Pull drm fixes from Dave Airlie:
 "Last set of fixes for final, scattered bunch of fixes, two amdgpu, one
  vmwgfx, and some misc others.

  amdgpu:
   - S0ix fix
   - DCN 3.2 array out of bounds fix

  shmem:
   - Fixes to shmem-helper error paths

  bridge:
   - Fix polarity bug in bridge/ti-sn65dsi86

  dw-hdmi:
   - Prefer 8-bit RGB fallback before any YUV mode in dw-hdmi, since
     some panels lie about YUV support

  vmwgfx:
   - Stop using screen objects when SEV is active"

* tag 'drm-fixes-2022-12-09' of git://anongit.freedesktop.org/drm/drm:
  drm/amd/display: fix array index out of bound error in DCN32 DML
  drm/amdgpu/sdma_v4_0: turn off SDMA ring buffer in the s2idle suspend
  drm/vmwgfx: Don't use screen objects when SEV is active
  drm/shmem-helper: Avoid vm_open error paths
  drm/shmem-helper: Remove errant put in error path
  drm: bridge: dw_hdmi: fix preference of RGB modes over YUV420
  drm/bridge: ti-sn65dsi86: Fix output polarity setting bug
  drm/vmwgfx: Fix race issue calling pin_user_pages

19 months agoMerge tag 'drm-misc-fixes-2022-12-08' of git://anongit.freedesktop.org/drm/drm-misc...
Dave Airlie [Fri, 9 Dec 2022 00:11:05 +0000 (10:11 +1000)]
Merge tag 'drm-misc-fixes-2022-12-08' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes

drm-misc-fixes for v6.1 final?:
- Fix polarity bug in bridge/ti-sn65dsi86.
- Prefer 8-bit RGB fallback before any YUV mode in dw-hdmi, since some
  panels lie about YUV support.
- Fixes to shmem-helper error paths.
- Small vmwgfx to stop using screen objects when SEV is active.

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/8110f02d-d155-926e-8674-c88b806c3a3a@linux.intel.com
19 months agoMerge tag 'amd-drm-fixes-6.1-2022-12-07' of https://gitlab.freedesktop.org/agd5f...
Dave Airlie [Fri, 9 Dec 2022 00:09:57 +0000 (10:09 +1000)]
Merge tag 'amd-drm-fixes-6.1-2022-12-07' of https://gitlab.freedesktop.org/agd5f/linux into drm-fixes

amd-drm-fixes-6.1-2022-12-07:

amdgpu:
- S0ix fix
- DCN 3.2 array out of bounds fix

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221207222751.9558-1-alexander.deucher@amd.com
19 months agoMerge tag 'block-6.1-2022-12-08' of git://git.kernel.dk/linux
Linus Torvalds [Thu, 8 Dec 2022 23:53:39 +0000 (15:53 -0800)]
Merge tag 'block-6.1-2022-12-08' of git://git.kernel.dk/linux

Pull block fix from Jens Axboe:
 "A small fix for initializing the NVMe quirks before initializing the
  subsystem"

* tag 'block-6.1-2022-12-08' of git://git.kernel.dk/linux:
  nvme initialize core quirks before calling nvme_init_subsystem

19 months agoMerge tag 'io_uring-6.1-2022-12-08' of git://git.kernel.dk/linux
Linus Torvalds [Thu, 8 Dec 2022 23:44:09 +0000 (15:44 -0800)]
Merge tag 'io_uring-6.1-2022-12-08' of git://git.kernel.dk/linux

Pull io_uring fix from Jens Axboe:
 "A single small fix for an issue related to ordering between
  cancelation and current->io_uring teardown"

* tag 'io_uring-6.1-2022-12-08' of git://git.kernel.dk/linux:
  io_uring: Fix a null-ptr-deref in io_tctx_exit_cb()

19 months agoMerge tag 'net-6.1-rc9' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Linus Torvalds [Thu, 8 Dec 2022 23:32:13 +0000 (15:32 -0800)]
Merge tag 'net-6.1-rc9' of git://git./linux/kernel/git/netdev/net

Pull networking fixes from Jakub Kicinski:
 "Including fixes from bluetooth, can and netfilter.

  Current release - new code bugs:

   - bonding: ipv6: correct address used in Neighbour Advertisement
     parsing (src vs dst typo)

   - fec: properly scope IRQ coalesce setup during link up to supported
     chips only

  Previous releases - regressions:

   - Bluetooth fixes for fake CSR clones (knockoffs):
       - re-add ERR_DATA_REPORTING quirk
       - fix crash when device is replugged

   - Bluetooth:
       - silence a user-triggerable dmesg error message
       - L2CAP: fix u8 overflow, oob access
       - correct vendor codec definition
       - fix support for Read Local Supported Codecs V2

   - ti: am65-cpsw: fix RGMII configuration at SPEED_10

   - mana: fix race on per-CQ variable NAPI work_done

  Previous releases - always broken:

   - af_unix: diag: fetch user_ns from in_skb in unix_diag_get_exact(),
     avoid null-deref

   - af_can: fix NULL pointer dereference in can_rcv_filter

   - can: slcan: fix UAF with a freed work

   - can: can327: flush TX_work on ldisc .close()

   - macsec: add missing attribute validation for offload

   - ipv6: avoid use-after-free in ip6_fragment()

   - nft_set_pipapo: actually validate intervals in fields after the
     first one

   - mvneta: prevent oob access in mvneta_config_rss()

   - ipv4: fix incorrect route flushing when table ID 0 is used, or when
     source address is deleted

   - phy: mxl-gpy: add workaround for IRQ bug on GPY215B and GPY215C"

* tag 'net-6.1-rc9' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (77 commits)
  net: dsa: sja1105: avoid out of bounds access in sja1105_init_l2_policing()
  s390/qeth: fix use-after-free in hsci
  macsec: add missing attribute validation for offload
  net: mvneta: Fix an out of bounds check
  net: thunderbolt: fix memory leak in tbnet_open()
  ipv6: avoid use-after-free in ip6_fragment()
  net: plip: don't call kfree_skb/dev_kfree_skb() under spin_lock_irq()
  net: phy: mxl-gpy: add MDINT workaround
  net: dsa: mv88e6xxx: accept phy-mode = "internal" for internal PHY ports
  xen/netback: don't call kfree_skb() under spin_lock_irqsave()
  dpaa2-switch: Fix memory leak in dpaa2_switch_acl_entry_add() and dpaa2_switch_acl_entry_remove()
  ethernet: aeroflex: fix potential skb leak in greth_init_rings()
  tipc: call tipc_lxc_xmit without holding node_read_lock
  can: esd_usb: Allow REC and TEC to return to zero
  can: can327: flush TX_work on ldisc .close()
  can: slcan: fix freed work crash
  can: af_can: fix NULL pointer dereference in can_rcv_filter
  net: dsa: sja1105: fix memory leak in sja1105_setup_devlink_regions()
  ipv4: Fix incorrect route flushing when table ID 0 is used
  ipv4: Fix incorrect route flushing when source address is deleted
  ...

19 months agocxl/region: Fix memdev reuse check
Fan Ni [Mon, 7 Nov 2022 21:22:31 +0000 (21:22 +0000)]
cxl/region: Fix memdev reuse check

Due to a typo, the check of whether or not a memdev has already been
used as a target for the region (above code piece) will always be
skipped. Given a memdev with more than one HDM decoder, an interleaved
region can be created that maps multiple HPAs to the same DPA. According
to CXL spec 3.0 8.1.3.8.4, "Aliasing (mapping more than one Host
Physical Address (HPA) to a single Device Physical Address) is
forbidden."

Fix this by using existing iterator for memdev reuse check.

Cc: <stable@vger.kernel.org>
Fixes: 384e624bb211 ("cxl/region: Attach endpoint decoders")
Signed-off-by: Fan Ni <fan.ni@samsung.com>
Link: https://lore.kernel.org/r/20221107212153.745993-1-fan.ni@samsung.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
19 months agoMerge tag 'for-linus-2022120801' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Torvalds [Thu, 8 Dec 2022 20:37:42 +0000 (12:37 -0800)]
Merge tag 'for-linus-2022120801' of git://git./linux/kernel/git/hid/hid

Pull HID fixes from Jiri Kosina:
 "A regression fix for handling Logitech HID++ devices and memory
  corruption fixes:

   - regression fix (revert) for catch-all handling of Logitech HID++
     Bluetooth devices; there are devices that turn out not to work with
     this, and the root cause is yet to be properly understood. So we
     are dropping it for now, and it will be revisited for 6.2 or 6.3
     (Benjamin Tissoires)

   - memory corruption fix in HID core (ZhangPeng)

   - memory corruption fix in hid-lg4ff (Anastasia Belova)

   - Kconfig fix for I2C_HID (Benjamin Tissoires)

   - a few device-id specific quirks that piggy-back on top of the
     important fixes above"

* tag 'for-linus-2022120801' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid:
  Revert "HID: logitech-hidpp: Enable HID++ for all the Logitech Bluetooth devices"
  Revert "HID: logitech-hidpp: Remove special-casing of Bluetooth devices"
  HID: usbhid: Add ALWAYS_POLL quirk for some mice
  HID: core: fix shift-out-of-bounds in hid_report_raw_event
  HID: uclogic: Add HID_QUIRK_HIDINPUT_FORCE quirk
  HID: fix I2C_HID not selected when I2C_HID_OF_ELAN is
  HID: hid-lg4ff: Add check for empty lbuf
  HID: ite: Enable QUIRK_TOUCHPAD_ON_OFF_REPORT on Acer Aspire Switch V 10
  HID: uclogic: Fix frame templates for big endian architectures

19 months agoMerge tag 'soc-fixes-6.1-5' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Linus Torvalds [Thu, 8 Dec 2022 19:22:27 +0000 (11:22 -0800)]
Merge tag 'soc-fixes-6.1-5' of git://git./linux/kernel/git/soc/soc

Pull ARM SoC fix from Arnd Bergmann:
 "One last build fix came in, addressing a link failure when building
  without CONFIG_OUTER_CACHE"

* tag 'soc-fixes-6.1-5' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
  ARM: at91: fix build for SAMA5D3 w/o L2 cache

19 months agoRevert "HID: logitech-hidpp: Enable HID++ for all the Logitech Bluetooth devices"
Benjamin Tissoires [Wed, 7 Dec 2022 14:24:33 +0000 (15:24 +0100)]
Revert "HID: logitech-hidpp: Enable HID++ for all the Logitech Bluetooth devices"

This reverts commit 532223c8ac57605a10e46dc0ab23dcf01c9acb43.

As reported in [0], hid-logitech-hidpp now binds on all bluetooth mice,
but there are corner cases where hid-logitech-hidpp just gives up on
the mouse. This leads the end user with a dead mouse.

Given that we are at -rc8, we are definitively too late to find a proper
fix. We already identified 2 issues less than 24 hours after the bug
report. One in that ->match() was never designed to be used anywhere else
than in hid-generic, and the other that hid-logitech-hidpp has corner
cases where it gives up on devices it is not supposed to.

So we have no choice but postpone this patch to the next kernel release.

[0] https://lore.kernel.org/linux-input/CAJZ5v0g-_o4AqMgNwihCb0jrwrcJZfRrX=jv8aH54WNKO7QB8A@mail.gmail.com/

Reported-by: Rafael J . Wysocki <rjw@rjwysocki.net>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
19 months agoRevert "HID: logitech-hidpp: Remove special-casing of Bluetooth devices"
Benjamin Tissoires [Wed, 7 Dec 2022 14:24:32 +0000 (15:24 +0100)]
Revert "HID: logitech-hidpp: Remove special-casing of Bluetooth devices"

This reverts commit 8544c812e43ab7bdf40458411b83987b8cba924d.

We need to revert commit 532223c8ac57 ("HID: logitech-hidpp: Enable HID++
for all the Logitech Bluetooth devices") because that commit might make
hid-logitech-hidpp bind on mice that are not well enough supported by
hid-logitech-hidpp, and the end result is that the probe of those mice
is now returning -ENODEV, leaving the end user with a dead mouse.

Given that commit 8544c812e43a ("HID: logitech-hidpp: Remove special-casing
of Bluetooth devices") is a direct dependency of 532223c8ac57, revert it
too.

Note that this also adapt according to commit 908d325e1665 ("HID:
logitech-hidpp: Detect hi-res scrolling support") to re-add support of
the devices that were removed from that commit too.

I have locally an MX Master and I tested this device with that revert,
ensuring we still have high-res scrolling.

Reported-by: Rafael J . Wysocki <rjw@rjwysocki.net>
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
19 months agoMerge tag 'loongarch-fixes-6.1-3' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Torvalds [Thu, 8 Dec 2022 19:16:15 +0000 (11:16 -0800)]
Merge tag 'loongarch-fixes-6.1-3' of git://git./linux/kernel/git/chenhuacai/linux-loongson

Pull LoongArch fixes from Huacai Chen:
 "Export smp_send_reschedule() for modules use, fix a huge page entry
  update issue, and add documents for booting description"

* tag 'loongarch-fixes-6.1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson:
  docs/zh_CN: Add LoongArch booting description's translation
  docs/LoongArch: Add booting description
  LoongArch: mm: Fix huge page entry update for virtual machine
  LoongArch: Export symbol for function smp_send_reschedule()

19 months agoMerge tag 'for-linus-xsa-6.1-rc9b-tag' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Thu, 8 Dec 2022 19:11:06 +0000 (11:11 -0800)]
Merge tag 'for-linus-xsa-6.1-rc9b-tag' of git://git./linux/kernel/git/xen/tip

Pull xen fix from Juergen Gross:
 "A single fix for the recent security issue XSA-423"

* tag 'for-linus-xsa-6.1-rc9b-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
  xen/netback: fix build warning

19 months agoMerge tag 'gpio-fixes-for-v6.1' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Torvalds [Thu, 8 Dec 2022 19:00:42 +0000 (11:00 -0800)]
Merge tag 'gpio-fixes-for-v6.1' of git://git./linux/kernel/git/brgl/linux

Pull gpio fixes from Bartosz Golaszewski:

 - fix a memory leak in gpiolib core

 - fix reference leaks in gpio-amd8111 and gpio-rockchip

* tag 'gpio-fixes-for-v6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
  gpio/rockchip: fix refcount leak in rockchip_gpiolib_register()
  gpio: amd8111: Fix PCI device reference count leak
  gpiolib: fix memory leak in gpiochip_setup_dev()

19 months agoMerge tag 'ata-6.1-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal...
Linus Torvalds [Thu, 8 Dec 2022 18:46:52 +0000 (10:46 -0800)]
Merge tag 'ata-6.1-rc8' of git://git./linux/kernel/git/dlemoal/libata

Pull ATA fix from Damien Le Moal:

 - Avoid a NULL pointer dereference in the libahci platform code that
   can happen on initialization when a device tree does not specify
   names for the adapter clocks (from Anders)

* tag 'ata-6.1-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/libata:
  ata: libahci_platform: ahci_platform_find_clk: oops, NULL pointer

19 months agomemcg: Fix possible use-after-free in memcg_write_event_control()
Tejun Heo [Thu, 8 Dec 2022 02:53:15 +0000 (16:53 -1000)]
memcg: Fix possible use-after-free in memcg_write_event_control()

memcg_write_event_control() accesses the dentry->d_name of the specified
control fd to route the write call.  As a cgroup interface file can't be
renamed, it's safe to access d_name as long as the specified file is a
regular cgroup file.  Also, as these cgroup interface files can't be
removed before the directory, it's safe to access the parent too.

Prior to 347c4a874710 ("memcg: remove cgroup_event->cft"), there was a
call to __file_cft() which verified that the specified file is a regular
cgroupfs file before further accesses.  The cftype pointer returned from
__file_cft() was no longer necessary and the commit inadvertently
dropped the file type check with it allowing any file to slip through.
With the invarients broken, the d_name and parent accesses can now race
against renames and removals of arbitrary files and cause
use-after-free's.

Fix the bug by resurrecting the file type check in __file_cft().  Now
that cgroupfs is implemented through kernfs, checking the file
operations needs to go through a layer of indirection.  Instead, let's
check the superblock and dentry type.

Signed-off-by: Tejun Heo <tj@kernel.org>
Fixes: 347c4a874710 ("memcg: remove cgroup_event->cft")
Cc: stable@kernel.org # v3.14+
Reported-by: Jann Horn <jannh@google.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: Roman Gushchin <roman.gushchin@linux.dev>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
19 months agonet: dsa: sja1105: avoid out of bounds access in sja1105_init_l2_policing()
Radu Nicolae Pirea (OSS) [Wed, 7 Dec 2022 13:23:47 +0000 (15:23 +0200)]
net: dsa: sja1105: avoid out of bounds access in sja1105_init_l2_policing()

The SJA1105 family has 45 L2 policing table entries
(SJA1105_MAX_L2_POLICING_COUNT) and SJA1110 has 110
(SJA1110_MAX_L2_POLICING_COUNT). Keeping the table structure but
accounting for the difference in port count (5 in SJA1105 vs 10 in
SJA1110) does not fully explain the difference. Rather, the SJA1110 also
has L2 ingress policers for multicast traffic. If a packet is classified
as multicast, it will be processed by the policer index 99 + SRCPORT.

The sja1105_init_l2_policing() function initializes all L2 policers such
that they don't interfere with normal packet reception by default. To have
a common code between SJA1105 and SJA1110, the index of the multicast
policer for the port is calculated because it's an index that is out of
bounds for SJA1105 but in bounds for SJA1110, and a bounds check is
performed.

The code fails to do the proper thing when determining what to do with the
multicast policer of port 0 on SJA1105 (ds->num_ports = 5). The "mcast"
index will be equal to 45, which is also equal to
table->ops->max_entry_count (SJA1105_MAX_L2_POLICING_COUNT). So it passes
through the check. But at the same time, SJA1105 doesn't have multicast
policers. So the code programs the SHARINDX field of an out-of-bounds
element in the L2 Policing table of the static config.

The comparison between index 45 and 45 entries should have determined the
code to not access this policer index on SJA1105, since its memory wasn't
even allocated.

With enough bad luck, the out-of-bounds write could even overwrite other
valid kernel data, but in this case, the issue was detected using KASAN.

Kernel log:

sja1105 spi5.0: Probed switch chip: SJA1105Q
==================================================================
BUG: KASAN: slab-out-of-bounds in sja1105_setup+0x1cbc/0x2340
Write of size 8 at addr ffffff880bd57708 by task kworker/u8:0/8
...
Workqueue: events_unbound deferred_probe_work_func
Call trace:
...
sja1105_setup+0x1cbc/0x2340
dsa_register_switch+0x1284/0x18d0
sja1105_probe+0x748/0x840
...
Allocated by task 8:
...
sja1105_setup+0x1bcc/0x2340
dsa_register_switch+0x1284/0x18d0
sja1105_probe+0x748/0x840
...

Fixes: 38fbe91f2287 ("net: dsa: sja1105: configure the multicast policers, if present")
CC: stable@vger.kernel.org # 5.15+
Signed-off-by: Radu Nicolae Pirea (OSS) <radu-nicolae.pirea@oss.nxp.com>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Link: https://lore.kernel.org/r/20221207132347.38698-1-radu-nicolae.pirea@oss.nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
19 months agos390/qeth: fix use-after-free in hsci
Alexandra Winter [Wed, 7 Dec 2022 10:53:04 +0000 (11:53 +0100)]
s390/qeth: fix use-after-free in hsci

KASAN found that addr was dereferenced after br2dev_event_work was freed.

==================================================================
BUG: KASAN: use-after-free in qeth_l2_br2dev_worker+0x5ba/0x6b0
Read of size 1 at addr 00000000fdcea440 by task kworker/u760:4/540
CPU: 17 PID: 540 Comm: kworker/u760:4 Tainted: G            E      6.1.0-20221128.rc7.git1.5aa3bed4ce83.300.fc36.s390x+kasan #1
Hardware name: IBM 8561 T01 703 (LPAR)
Workqueue: 0.0.8000_event qeth_l2_br2dev_worker
Call Trace:
 [<000000016944d4ce>] dump_stack_lvl+0xc6/0xf8
 [<000000016942cd9c>] print_address_description.constprop.0+0x34/0x2a0
 [<000000016942d118>] print_report+0x110/0x1f8
 [<0000000167a7bd04>] kasan_report+0xfc/0x128
 [<000000016938d79a>] qeth_l2_br2dev_worker+0x5ba/0x6b0
 [<00000001673edd1e>] process_one_work+0x76e/0x1128
 [<00000001673ee85c>] worker_thread+0x184/0x1098
 [<000000016740718a>] kthread+0x26a/0x310
 [<00000001672c606a>] __ret_from_fork+0x8a/0xe8
 [<00000001694711da>] ret_from_fork+0xa/0x40
Allocated by task 108338:
 kasan_save_stack+0x40/0x68
 kasan_set_track+0x36/0x48
 __kasan_kmalloc+0xa0/0xc0
 qeth_l2_switchdev_event+0x25a/0x738
 atomic_notifier_call_chain+0x9c/0xf8
 br_switchdev_fdb_notify+0xf4/0x110
 fdb_notify+0x122/0x180
 fdb_add_entry.constprop.0.isra.0+0x312/0x558
 br_fdb_add+0x59e/0x858
 rtnl_fdb_add+0x58a/0x928
 rtnetlink_rcv_msg+0x5f8/0x8d8
 netlink_rcv_skb+0x1f2/0x408
 netlink_unicast+0x570/0x790
 netlink_sendmsg+0x752/0xbe0
 sock_sendmsg+0xca/0x110
 ____sys_sendmsg+0x510/0x6a8
 ___sys_sendmsg+0x12a/0x180
 __sys_sendmsg+0xe6/0x168
 __do_sys_socketcall+0x3c8/0x468
 do_syscall+0x22c/0x328
 __do_syscall+0x94/0xf0
 system_call+0x82/0xb0
Freed by task 540:
 kasan_save_stack+0x40/0x68
 kasan_set_track+0x36/0x48
 kasan_save_free_info+0x4c/0x68
 ____kasan_slab_free+0x14e/0x1a8
 __kasan_slab_free+0x24/0x30
 __kmem_cache_free+0x168/0x338
 qeth_l2_br2dev_worker+0x154/0x6b0
 process_one_work+0x76e/0x1128
 worker_thread+0x184/0x1098
 kthread+0x26a/0x310
 __ret_from_fork+0x8a/0xe8
 ret_from_fork+0xa/0x40
Last potentially related work creation:
 kasan_save_stack+0x40/0x68
 __kasan_record_aux_stack+0xbe/0xd0
 insert_work+0x56/0x2e8
 __queue_work+0x4ce/0xd10
 queue_work_on+0xf4/0x100
 qeth_l2_switchdev_event+0x520/0x738
 atomic_notifier_call_chain+0x9c/0xf8
 br_switchdev_fdb_notify+0xf4/0x110
 fdb_notify+0x122/0x180
 fdb_add_entry.constprop.0.isra.0+0x312/0x558
 br_fdb_add+0x59e/0x858
 rtnl_fdb_add+0x58a/0x928
 rtnetlink_rcv_msg+0x5f8/0x8d8
 netlink_rcv_skb+0x1f2/0x408
 netlink_unicast+0x570/0x790
 netlink_sendmsg+0x752/0xbe0
 sock_sendmsg+0xca/0x110
 ____sys_sendmsg+0x510/0x6a8
 ___sys_sendmsg+0x12a/0x180
 __sys_sendmsg+0xe6/0x168
 __do_sys_socketcall+0x3c8/0x468
 do_syscall+0x22c/0x328
 __do_syscall+0x94/0xf0
 system_call+0x82/0xb0
Second to last potentially related work creation:
 kasan_save_stack+0x40/0x68
 __kasan_record_aux_stack+0xbe/0xd0
 kvfree_call_rcu+0xb2/0x760
 kernfs_unlink_open_file+0x348/0x430
 kernfs_fop_release+0xc2/0x320
 __fput+0x1ae/0x768
 task_work_run+0x1bc/0x298
 exit_to_user_mode_prepare+0x1a0/0x1a8
 __do_syscall+0x94/0xf0
 system_call+0x82/0xb0
The buggy address belongs to the object at 00000000fdcea400
 which belongs to the cache kmalloc-96 of size 96
The buggy address is located 64 bytes inside of
 96-byte region [00000000fdcea40000000000fdcea460)
The buggy address belongs to the physical page:
page:000000005a9c26e8 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xfdcea
flags: 0x3ffff00000000200(slab|node=0|zone=1|lastcpupid=0x1ffff)
raw: 3ffff00000000200 0000000000000000 0000000100000122 000000008008cc00
raw: 0000000000000000 0020004100000000 ffffffff00000001 0000000000000000
page dumped because: kasan: bad access detected
Memory state around the buggy address:
 00000000fdcea300: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc
 00000000fdcea380: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc
>00000000fdcea400: fa fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc
                                           ^
 00000000fdcea480: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc
 00000000fdcea500: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc
==================================================================

Fixes: f7936b7b2663 ("s390/qeth: Update MACs of LEARNING_SYNC device")
Reported-by: Thorsten Winkler <twinkler@linux.ibm.com>
Signed-off-by: Alexandra Winter <wintera@linux.ibm.com>
Reviewed-by: Wenjia Zhang <wenjia@linux.ibm.com>
Reviewed-by: Thorsten Winkler <twinkler@linux.ibm.com>
Link: https://lore.kernel.org/r/20221207105304.20494-1-wintera@linux.ibm.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
19 months agomacsec: add missing attribute validation for offload
Emeel Hakim [Wed, 7 Dec 2022 10:16:18 +0000 (12:16 +0200)]
macsec: add missing attribute validation for offload

Add missing attribute validation for IFLA_MACSEC_OFFLOAD
to the netlink policy.

Fixes: 791bb3fcafce ("net: macsec: add support for specifying offload upon link creation")
Signed-off-by: Emeel Hakim <ehakim@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: Sabrina Dubroca <sd@queasysnail.net>
Link: https://lore.kernel.org/r/20221207101618.989-1-ehakim@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
19 months agonet: mvneta: Fix an out of bounds check
Dan Carpenter [Wed, 7 Dec 2022 07:06:31 +0000 (10:06 +0300)]
net: mvneta: Fix an out of bounds check

In an earlier commit, I added a bounds check to prevent an out of bounds
read and a WARN().  On further discussion and consideration that check
was probably too aggressive.  Instead of returning -EINVAL, a better fix
would be to just prevent the out of bounds read but continue the process.

Background: The value of "pp->rxq_def" is a number between 0-7 by default,
or even higher depending on the value of "rxq_number", which is a module
parameter. If the value is more than the number of available CPUs then
it will trigger the WARN() in cpu_max_bits_warn().

Fixes: e8b4fc13900b ("net: mvneta: Prevent out of bounds read in mvneta_config_rss()")
Signed-off-by: Dan Carpenter <error27@gmail.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Link: https://lore.kernel.org/r/Y5A7d1E5ccwHTYPf@kadam
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
19 months agonet: thunderbolt: fix memory leak in tbnet_open()
Zhengchao Shao [Wed, 7 Dec 2022 01:50:01 +0000 (09:50 +0800)]
net: thunderbolt: fix memory leak in tbnet_open()

When tb_ring_alloc_rx() failed in tbnet_open(), ida that allocated in
tb_xdomain_alloc_out_hopid() is not released. Add
tb_xdomain_release_out_hopid() to the error path to release ida.

Fixes: 180b0689425c ("thunderbolt: Allow multiple DMA tunnels over a single XDomain connection")
Signed-off-by: Zhengchao Shao <shaozhengchao@huawei.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Link: https://lore.kernel.org/r/20221207015001.1755826-1-shaozhengchao@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
19 months agoRevert "ARM: dts: imx7: Fix NAND controller size-cells"
Francesco Dolcini [Mon, 5 Dec 2022 15:23:27 +0000 (16:23 +0100)]
Revert "ARM: dts: imx7: Fix NAND controller size-cells"

This reverts commit 753395ea1e45c724150070b5785900b6a44bd5fb.

It introduced a boot regression on colibri-imx7, and potentially any
other i.MX7 boards with MTD partition list generated into the fdt by
U-Boot.

While the commit we are reverting here is not obviously wrong, it fixes
only a dt binding checker warning that is non-functional, while it
introduces a boot regression and there is no obvious fix ready.

Fixes: 753395ea1e45 ("ARM: dts: imx7: Fix NAND controller size-cells")
Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>
Acked-by: Marek Vasut <marex@denx.de>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/all/Y4dgBTGNWpM6SQXI@francesco-nb.int.toradex.com/
Link: https://lore.kernel.org/all/20221205144917.6514168a@xps-13/
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
19 months agoMerge tag 'asahi-soc-dt-6.2-v3' of https://github.com/AsahiLinux/linux into soc/dt
Arnd Bergmann [Thu, 8 Dec 2022 16:44:12 +0000 (17:44 +0100)]
Merge tag 'asahi-soc-dt-6.2-v3' of https://github.com/AsahiLinux/linux into soc/dt

Apple SoC DT updates for 6.2 (v3).

One final update for 6.2. This includes:
* L1/L2 cache topology for t8103
* A bunch of typo, style, and minor functional fixes

* tag 'asahi-soc-dt-6.2-v3' of https://github.com/AsahiLinux/linux:
  arm64: dts: apple: t6002: Fix GPU power domains
  arm64: dts: apple: t600x-pmgr: Fix search & replace typo
  arm64: dts: apple: Add t8103 L1/L2 cache properties and nodes
  arm64: dts: apple: Rename dart-sio* to sio-dart*
  arch: arm64: apple: t600x: Use standard "iommu" node name
  arch: arm64: apple: t8103: Use standard "iommu" node name

Link: https://lore.kernel.org/r/488ad4e9-04dc-1774-3bbe-d313ef30f14d@marcan.st
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
19 months agoplatform/x86: intel_scu_ipc: fix possible name leak in __intel_scu_ipc_register()
Yang Yingliang [Thu, 8 Dec 2022 15:19:16 +0000 (23:19 +0800)]
platform/x86: intel_scu_ipc: fix possible name leak in __intel_scu_ipc_register()

In some error paths before device_register(), the names allocated
by dev_set_name() are not freed. Move dev_set_name() front to
device_register(), so the name can be freed while calling
put_device().

Fixes: 54b34aa0a729 ("platform/x86: intel_scu_ipc: Split out SCU IPC functionality from the SCU driver")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20221208151916.2404977-1-yangyingliang@huawei.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
19 months agotpm: st33zp24: remove pointless checks on probe
Dmitry Torokhov [Wed, 7 Dec 2022 01:44:57 +0000 (17:44 -0800)]
tpm: st33zp24: remove pointless checks on probe

Remove tests for SPI device or I2C client to be non-NULL because
driver core will never call driver's probe method without having
a valid device structure.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
19 months agotpm/tpm_crb: Fix error message in __crb_relinquish_locality()
Michael Kelley [Fri, 11 Nov 2022 19:38:53 +0000 (11:38 -0800)]
tpm/tpm_crb: Fix error message in __crb_relinquish_locality()

The error message in __crb_relinquish_locality() mentions requestAccess
instead of Relinquish. Fix it.

Fixes: 888d867df441 ("tpm: cmd_ready command can be issued only after granting locality")
Signed-off-by: Michael Kelley <mikelley@microsoft.com>
Acked-by: Tomas Winkler <tomas.winkler@intel.com>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
19 months agotpm/tpm_ftpm_tee: Fix error handling in ftpm_mod_init()
Yuan Can [Thu, 24 Nov 2022 03:19:26 +0000 (03:19 +0000)]
tpm/tpm_ftpm_tee: Fix error handling in ftpm_mod_init()

The ftpm_mod_init() returns the driver_register() directly without checking
its return value, if driver_register() failed, the ftpm_tee_plat_driver is
not unregistered.

Fix by unregister ftpm_tee_plat_driver when driver_register() failed.

Fixes: 9f1944c23c8c ("tpm_ftpm_tee: register driver on TEE bus")
Signed-off-by: Yuan Can <yuancan@huawei.com>
Reviewed-by: Maxim Uvarov <maxim.uvarov@linaro.org>
Acked-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
19 months agotpm: tpm_tis: Add the missed acpi_put_table() to fix memory leak
Hanjun Guo [Thu, 17 Nov 2022 11:23:42 +0000 (19:23 +0800)]
tpm: tpm_tis: Add the missed acpi_put_table() to fix memory leak

In check_acpi_tpm2(), we get the TPM2 table just to make
sure the table is there, not used after the init, so the
acpi_put_table() should be added to release the ACPI memory.

Fixes: 4cb586a188d4 ("tpm_tis: Consolidate the platform and acpi probe flow")
Cc: stable@vger.kernel.org
Signed-off-by: Hanjun Guo <guohanjun@huawei.com>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
19 months agotpm: tpm_crb: Add the missed acpi_put_table() to fix memory leak
Hanjun Guo [Thu, 17 Nov 2022 11:23:41 +0000 (19:23 +0800)]
tpm: tpm_crb: Add the missed acpi_put_table() to fix memory leak

In crb_acpi_add(), we get the TPM2 table to retrieve information
like start method, and then assign them to the priv data, so the
TPM2 table is not used after the init, should be freed, call
acpi_put_table() to fix the memory leak.

Fixes: 30fc8d138e91 ("tpm: TPM 2.0 CRB Interface")
Cc: stable@vger.kernel.org
Signed-off-by: Hanjun Guo <guohanjun@huawei.com>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
19 months agotpm: acpi: Call acpi_put_table() to fix memory leak
Hanjun Guo [Thu, 17 Nov 2022 11:23:40 +0000 (19:23 +0800)]
tpm: acpi: Call acpi_put_table() to fix memory leak

The start and length of the event log area are obtained from
TPM2 or TCPA table, so we call acpi_get_table() to get the
ACPI information, but the acpi_get_table() should be coupled with
acpi_put_table() to release the ACPI memory, add the acpi_put_table()
properly to fix the memory leak.

While we are at it, remove the redundant empty line at the
end of the tpm_read_log_acpi().

Fixes: 0bfb23746052 ("tpm: Move eventlog files to a subdirectory")
Fixes: 85467f63a05c ("tpm: Add support for event log pointer found in TPM2 ACPI table")
Cc: stable@vger.kernel.org
Signed-off-by: Hanjun Guo <guohanjun@huawei.com>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
19 months agotpm: Add flag to use default cancellation policy
Eddie James [Mon, 7 Nov 2022 17:14:23 +0000 (11:14 -0600)]
tpm: Add flag to use default cancellation policy

The check for cancelled request depends on the VID of the chip, but
some chips share VID which shouldn't share their cancellation
behavior. This is the case for the Nuvoton NPCT75X, which should use
the default cancellation check, not the Winbond one.
To avoid changing the existing behavior, add a new flag to indicate
that the chip should use the default cancellation check and set it
for the I2C TPM2 TIS driver.

Fixes: bbc23a07b072 ("tpm: Add tpm_tis_i2c backend for tpm_tis_core")
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Tested-by: Joel Stanley <joel@jms.id.au>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
19 months agotpm: tis_i2c: Fix sanity check interrupt enable mask
Eddie James [Wed, 17 Aug 2022 20:03:33 +0000 (15:03 -0500)]
tpm: tis_i2c: Fix sanity check interrupt enable mask

The sanity check mask for TPM_INT_ENABLE register was off by 8 bits,
resulting in failure to probe if the TPM_INT_ENABLE register was a
valid value.

Fixes: bbc23a07b072 ("tpm: Add tpm_tis_i2c backend for tpm_tis_core")
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Tested-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
19 months agoKEYS: trusted: tee: Make registered shm dependency explicit
Sumit Garg [Thu, 10 Nov 2022 11:11:40 +0000 (16:41 +0530)]
KEYS: trusted: tee: Make registered shm dependency explicit

TEE trusted keys support depends on registered shared memory support
since the key buffers are needed to be registered with OP-TEE. So make
that dependency explicit to not register trusted keys support if
underlying implementation doesn't support registered shared memory.

Signed-off-by: Sumit Garg <sumit.garg@linaro.org>
Tested-by: Jerome Forissier <jerome.forissier@linaro.org>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
19 months agotpm: Avoid function type cast of put_device()
Ard Biesheuvel [Fri, 21 Oct 2022 12:33:09 +0000 (14:33 +0200)]
tpm: Avoid function type cast of put_device()

The TPM code registers put_device() as a devm cleanup handler, and casts
the reference to the right function pointer type for this to be
permitted by the compiler.

However, under kCFI, this is rejected at runtime, resulting in a splat
like

   CFI failure at devm_action_release+0x24/0x3c (target: put_device+0x0/0x24; expected type: 0xa488ebfc)
   Internal error: Oops - CFI: 0000000000000000 [#1] PREEMPT SMP
   Modules linked in:  ...
   CPU: 20 PID: 454 Comm: systemd-udevd Not tainted 6.1.0-rc1+ #51
   Hardware name: Socionext SynQuacer E-series DeveloperBox, BIOS build #1 Oct  3 2022
   pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
   pc : devm_action_release+0x24/0x3c
   lr : devres_release_all+0xb4/0x114
   sp : ffff800009bb3630
   x29: ffff800009bb3630 x28: 0000000000000000 x27: 0000000000000011
   x26: ffffaa6f9922c0c8 x25: 0000000000000002 x24: 000000000000000f
   x23: ffff800009bb3648 x22: ffff7aefc3be2100 x21: ffff7aefc3be2e00
   x20: 0000000000000005 x19: ffff7aefc1e1ec10 x18: ffff800009af70a8
   x17: 00000000a488ebfc x16: 0000000094ee7df3 x15: 0000000000000000
   x14: 4075c5c2ef7affff x13: e46a91c5c5e2ef42 x12: ffff7aefc2c57540
   x11: 0000000000000001 x10: 0000000000000001 x9 : 0000000100000000
   x8 : ffffaa6fa09b39b4 x7 : 7f7f7f7f7f7f7f7f x6 : 8000000000000000
   x5 : 000000008020000e x4 : ffff7aefc2c57500 x3 : ffff800009bb3648
   x2 : ffff800009bb3648 x1 : ffff7aefc3be2e80 x0 : ffff7aefc3bb7000
   Call trace:
    devm_action_release+0x24/0x3c
    devres_release_all+0xb4/0x114
    really_probe+0xb0/0x49c
    __driver_probe_device+0x114/0x180
    driver_probe_device+0x48/0x1ec
    __driver_attach+0x118/0x284
    bus_for_each_dev+0x94/0xe4
    driver_attach+0x24/0x34
    bus_add_driver+0x10c/0x220
    driver_register+0x78/0x118
    __platform_driver_register+0x24/0x34
    init_module+0x20/0xfe4 [tpm_tis_synquacer]
    do_one_initcall+0xd4/0x248
    do_init_module+0x44/0x28c
    load_module+0x16b4/0x1920

Fix this by going through a helper function of the correct type.

Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
19 months agotpm: st33zp24: switch to using gpiod API
Dmitry Torokhov [Sat, 1 Oct 2022 05:51:41 +0000 (22:51 -0700)]
tpm: st33zp24: switch to using gpiod API

Switch the driver from legacy gpio API (that uses flat GPIO numbering)
to the newer gpiod API (which used descriptors and respects line
polarities specified in ACPI or device tree).

Because gpio handling code for SPI and I2C variants duplicates each
other it is moved into the core code for the driver.

Also, it seems that the driver never assigned tpm_dev->io_lpcpd in the
past, so gpio-based power management was most likely not working ever.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
19 months agotpm: st33zp24: drop support for platform data
Dmitry Torokhov [Sat, 1 Oct 2022 05:51:40 +0000 (22:51 -0700)]
tpm: st33zp24: drop support for platform data

Drop support for platform data from the driver because there are no
users of st33zp24_platform_data structure in the mainline kernel.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
19 months agoplatform/x86: sony-laptop: Convert to use sysfs_emit_at() API
ye xingchen [Thu, 8 Dec 2022 07:45:17 +0000 (15:45 +0800)]
platform/x86: sony-laptop: Convert to use sysfs_emit_at() API

Follow the advice of the Documentation/filesystems/sysfs.rst and show()
should only use sysfs_emit() or sysfs_emit_at() when formatting the
value to be returned to user space.

Signed-off-by: ye xingchen <ye.xingchen@zte.com.cn>
Link: https://lore.kernel.org/r/202212081545178689771@zte.com.cn
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
19 months agoplatform/x86/dell: alienware-wmi: Use sysfs_emit() instead of scnprintf()
ye xingchen [Fri, 2 Dec 2022 09:21:54 +0000 (17:21 +0800)]
platform/x86/dell: alienware-wmi: Use sysfs_emit() instead of scnprintf()

Follow the advice of the Documentation/filesystems/sysfs.rst and show()
should only use sysfs_emit() or sysfs_emit_at() when formatting the
value to be returned to user space.

Signed-off-by: ye xingchen <ye.xingchen@zte.com.cn>
Link: https://lore.kernel.org/r/202212021721543696124@zte.com.cn
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
19 months agoplatform/x86: uv_sysfs: Use sysfs_emit() instead of scnprintf()
ye xingchen [Fri, 2 Dec 2022 09:05:12 +0000 (17:05 +0800)]
platform/x86: uv_sysfs: Use sysfs_emit() instead of scnprintf()

Follow the advice of the Documentation/filesystems/sysfs.rst and show()
should only use sysfs_emit() or sysfs_emit_at() when formatting the
value to be returned to user space.

Signed-off-by: ye xingchen <ye.xingchen@zte.com.cn>
Reviewed-by: Justin Ernst <justin.ernst@hpe.com>
Link: https://lore.kernel.org/r/202212021705128095546@zte.com.cn
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
19 months agoplatform/x86: mxm-wmi: fix memleak in mxm_wmi_call_mx[ds|mx]()
Yu Liao [Tue, 29 Nov 2022 01:11:01 +0000 (09:11 +0800)]
platform/x86: mxm-wmi: fix memleak in mxm_wmi_call_mx[ds|mx]()

The ACPI buffer memory (out.pointer) returned by wmi_evaluate_method()
is not freed after the call, so it leads to memory leak.

The method results in ACPI buffer is not used, so just pass NULL to
wmi_evaluate_method() which fixes the memory leak.

Fixes: 99b38b4acc0d ("platform/x86: add MXM WMI driver.")
Signed-off-by: Yu Liao <liaoyu15@huawei.com>
Link: https://lore.kernel.org/r/20221129011101.2042315-1-liaoyu15@huawei.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
19 months agoplatform/x86: x86-android-tablets: Add Advantech MICA-071 extra button
Hans de Goede [Sun, 27 Nov 2022 22:19:28 +0000 (23:19 +0100)]
platform/x86: x86-android-tablets: Add Advantech MICA-071 extra button

The Advantech MICA-071 is a standard Windows tablet, but it has an extra
"quick launch" button which is not described in the ACPI tables in anyway.

Use the x86-android-tablets infra to create a gpio-button device for this.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20221127221928.123660-1-hdegoede@redhat.com
19 months agoplatform/x86: x86-android-tablets: Add Lenovo Yoga Tab 3 (YT3-X90F) charger + fuel...
Hans de Goede [Sun, 27 Nov 2022 18:24:58 +0000 (19:24 +0100)]
platform/x86: x86-android-tablets: Add Lenovo Yoga Tab 3 (YT3-X90F) charger + fuel-gauge data

The Lenovo Yoga Tab 3 (YT3-X90F) is an Intel Cherry Trail based tablet
which ships with Android as Factory OS. Its DSDT contains a bunch of I2C
devices which are not actually there, causing various resource conflicts.
Use acpi_quirk_skip_i2c_client_enumeration() to not enumerate these.

The YT3-X90F has quite a bit of exotic hardware, this adds initial
support by manually instantiating the i2c-clients for the 2 charger +
2 fuel-gauge chips used for the 2 batteries.

Support for other parts of the hw will be added by follow-up patches.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20221127182458.104528-1-hdegoede@redhat.com
19 months agoplatform/x86: x86-android-tablets: Add Medion Lifetab S10346 data
Hans de Goede [Thu, 8 Dec 2022 11:02:24 +0000 (12:02 +0100)]
platform/x86: x86-android-tablets: Add Medion Lifetab S10346 data

The Medion Lifetab S10346 is a x86 ACPI tablet which ships with Android
x86 as factory OS. Its DSDT contains a bunch of I2C devices which are not
actually there, causing various resource conflicts. Enumeration of these
is skipped through the acpi_quirk_skip_i2c_client_enumeration().

Add support for manually instantiating the I2C devices which are
actually present on this tablet by adding the necessary device info to
the x86-android-tablets module.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20221208110224.107354-1-hdegoede@redhat.com
19 months agoACPI: x86: Add skip i2c clients quirk for Medion Lifetab S10346
Hans de Goede [Thu, 8 Dec 2022 11:02:02 +0000 (12:02 +0100)]
ACPI: x86: Add skip i2c clients quirk for Medion Lifetab S10346

The Medion Lifetab S10346 is a x86 tablet which ships with Android x86 as
factory OS. The Android x86 kernel fork ignores I2C devices described in
the DSDT, except for the PMIC and Audio codecs.

As usual the Medion Lifetab S10346's DSDT contains a bunch of extra I2C
devices which are not actually there, causing various resource conflicts.
Add an ACPI_QUIRK_SKIP_I2C_CLIENTS quirk for the Medion Lifetab S10346 to
the acpi_quirk_skip_dmi_ids table to woraround this.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
19 months agoplatform/mips: Adjust Kconfig to keep consistency
Huacai Chen [Sun, 18 Sep 2022 10:12:06 +0000 (18:12 +0800)]
platform/mips: Adjust Kconfig to keep consistency

Drop the "if MIPS" and "endif" drivers/platform/Kconfig. Instead add
a "depends on MIPS" to "menuconfig MIPS_PLATFORM_DEVICES" in drivers/
platform/mips/Kconfig, like all the other subdirs are doing.

Suggested-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
19 months agoMerge branch 'rework/console-list-lock' into for-linus
Petr Mladek [Thu, 8 Dec 2022 10:46:56 +0000 (11:46 +0100)]
Merge branch 'rework/console-list-lock' into for-linus

19 months agoplatform/x86: wireless-hotkey: use ACPI HID as phys
Alex Hung [Sun, 27 Nov 2022 00:46:17 +0000 (17:46 -0700)]
platform/x86: wireless-hotkey: use ACPI HID as phys

Removed the hardcoded "hpq6001" as phys but uses ACPI HID instead.

Signed-off-by: Alex Hung <alexhung@gmail.com>
Link: https://lore.kernel.org/r/20221127004617.722553-1-alex.hung@amd.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
19 months agoMIPS: OCTEON: cvmx-bootmem: use strscpy() to instead of strncpy()
Xu Panda [Sat, 3 Dec 2022 06:17:16 +0000 (14:17 +0800)]
MIPS: OCTEON: cvmx-bootmem: use strscpy() to instead of strncpy()

The implementation of strscpy() is more robust and safer.

Signed-off-by: Xu Panda <xu.panda@zte.com.cn>
Signed-off-by: Yang Yang <yang.yang29@zte.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
19 months agoMIPS: mscc: jaguar2: Fix pca9545 i2c-mux node names
Geert Uytterhoeven [Fri, 2 Dec 2022 16:49:25 +0000 (17:49 +0100)]
MIPS: mscc: jaguar2: Fix pca9545 i2c-mux node names

"make dtbs_check":

    arch/mips/boot/dts/mscc/jaguar2_pcb110.dtb: pca9545@70: $nodename:0: 'pca9545@70' does not match '^(i2c-?)?mux'
    From schema: Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.yaml
    arch/mips/boot/dts/mscc/jaguar2_pcb110.dtb: pca9545@70: Unevaluated properties are not allowed ('#address-cells', '#size-cells', 'i2c@0', 'i2c@1', 'i2c@2', 'i2c@3' were unexpected)
    From schema: Documentation/devicetree/bindings/i2c/i2c-mux-pca954x.yaml
    ...

Fix this by renaming PCA9545 nodes to "i2c-mux", to match the I2C bus
multiplexer/switch DT bindings and the Generic Names Recommendation in
the Devicetree Specification.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
19 months agodocs/zh_CN: Add LoongArch booting description's translation
Yanteng Si [Thu, 8 Dec 2022 06:59:15 +0000 (14:59 +0800)]
docs/zh_CN: Add LoongArch booting description's translation

Translate ../loongarch/booting.rst into Chinese.

Suggested-by: Xiaotian Wu <wuxiaotian@loongson.cn>
Signed-off-by: Yanteng Si <siyanteng@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
19 months agodocs/LoongArch: Add booting description
Yanteng Si [Thu, 8 Dec 2022 06:59:15 +0000 (14:59 +0800)]
docs/LoongArch: Add booting description

1, Describe the information passed from BootLoader to kernel.
2, Describe the meaning and values of the kernel image header field.

Suggested-by: Xiaotian Wu <wuxiaotian@loongson.cn>
Signed-off-by: Yanteng Si <siyanteng@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
19 months agoLoongArch: mm: Fix huge page entry update for virtual machine
Huacai Chen [Thu, 8 Dec 2022 06:59:15 +0000 (14:59 +0800)]
LoongArch: mm: Fix huge page entry update for virtual machine

In virtual machine (guest mode), the tlbwr instruction can not write the
last entry of MTLB, so we need to make it non-present by invtlb and then
write it by tlbfill. This also simplify the whole logic.

Signed-off-by: Rui Wang <wangrui@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
19 months agoLoongArch: Export symbol for function smp_send_reschedule()
Bibo Mao [Thu, 8 Dec 2022 06:59:15 +0000 (14:59 +0800)]
LoongArch: Export symbol for function smp_send_reschedule()

Function smp_send_reschedule() is standard kernel API, which is defined
in header file include/linux/smp.h. However, on LoongArch it is defined
as an inline function, this is confusing and kernel modules can not use
this function.

Now we define smp_send_reschedule() as a general function, and add a
EXPORT_SYMBOL_GPL on this function, so that kernel modules can use it.

Signed-off-by: Bibo Mao <maobibo@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
19 months agoarm64: dts: apple: t6002: Fix GPU power domains
Asahi Lina [Wed, 7 Dec 2022 01:43:04 +0000 (10:43 +0900)]
arm64: dts: apple: t6002: Fix GPU power domains

On t6002 (M1 Ultra), each die contains a self-contained GPU block.
However, only the coprocessor and global management circuitry of the
first die are used. This is what is represented by the "gpu" PS (the
one in die1 is disabled). Nonetheless, this shared component drives the
processing blocks in both dies, and therefore depends on the AFR fabric
being powered up on both dies.

Add an explicit dependency from the GPU block on die0 to AFR on die1,
next to the existing die0 AFR dependency.

Fixes: fa86294eb355 ("arm64: dts: apple: Add initial t6000/t6001/t6002 DTs")
Signed-off-by: Asahi Lina <lina@asahilina.net>
Reviewed-by: Janne Grunau <j@jannau.net>
Signed-off-by: Hector Martin <marcan@marcan.st>
19 months agoarm64: dts: apple: t600x-pmgr: Fix search & replace typo
Asahi Lina [Wed, 7 Dec 2022 01:43:05 +0000 (10:43 +0900)]
arm64: dts: apple: t600x-pmgr: Fix search & replace typo

It looks like the search-and-replace that happened to add die IDs to
the t600x PMGR tree was a little bit too eager on a comment, and nobody
noticed! Let's fix that.

Fixes: fa86294eb355 ("arm64: dts: apple: Add initial t6000/t6001/t6002 DTs")
Signed-off-by: Asahi Lina <lina@asahilina.net>
Reviewed-by: Janne Grunau <j@jannau.net>
Signed-off-by: Hector Martin <marcan@marcan.st>
19 months agoipv6: avoid use-after-free in ip6_fragment()
Eric Dumazet [Tue, 6 Dec 2022 10:13:51 +0000 (10:13 +0000)]
ipv6: avoid use-after-free in ip6_fragment()

Blamed commit claimed rcu_read_lock() was held by ip6_fragment() callers.

It seems to not be always true, at least for UDP stack.

syzbot reported:

BUG: KASAN: use-after-free in ip6_dst_idev include/net/ip6_fib.h:245 [inline]
BUG: KASAN: use-after-free in ip6_fragment+0x2724/0x2770 net/ipv6/ip6_output.c:951
Read of size 8 at addr ffff88801d403e80 by task syz-executor.3/7618

CPU: 1 PID: 7618 Comm: syz-executor.3 Not tainted 6.1.0-rc6-syzkaller-00012-g4312098baf37 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xd1/0x138 lib/dump_stack.c:106
 print_address_description mm/kasan/report.c:284 [inline]
 print_report+0x15e/0x45d mm/kasan/report.c:395
 kasan_report+0xbf/0x1f0 mm/kasan/report.c:495
 ip6_dst_idev include/net/ip6_fib.h:245 [inline]
 ip6_fragment+0x2724/0x2770 net/ipv6/ip6_output.c:951
 __ip6_finish_output net/ipv6/ip6_output.c:193 [inline]
 ip6_finish_output+0x9a3/0x1170 net/ipv6/ip6_output.c:206
 NF_HOOK_COND include/linux/netfilter.h:291 [inline]
 ip6_output+0x1f1/0x540 net/ipv6/ip6_output.c:227
 dst_output include/net/dst.h:445 [inline]
 ip6_local_out+0xb3/0x1a0 net/ipv6/output_core.c:161
 ip6_send_skb+0xbb/0x340 net/ipv6/ip6_output.c:1966
 udp_v6_send_skb+0x82a/0x18a0 net/ipv6/udp.c:1286
 udp_v6_push_pending_frames+0x140/0x200 net/ipv6/udp.c:1313
 udpv6_sendmsg+0x18da/0x2c80 net/ipv6/udp.c:1606
 inet6_sendmsg+0x9d/0xe0 net/ipv6/af_inet6.c:665
 sock_sendmsg_nosec net/socket.c:714 [inline]
 sock_sendmsg+0xd3/0x120 net/socket.c:734
 sock_write_iter+0x295/0x3d0 net/socket.c:1108
 call_write_iter include/linux/fs.h:2191 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x9ed/0xdd0 fs/read_write.c:584
 ksys_write+0x1ec/0x250 fs/read_write.c:637
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fde3588c0d9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fde365b6168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fde359ac050 RCX: 00007fde3588c0d9
RDX: 000000000000ffdc RSI: 00000000200000c0 RDI: 000000000000000a
RBP: 00007fde358e7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fde35acfb1f R14: 00007fde365b6300 R15: 0000000000022000
 </TASK>

Allocated by task 7618:
 kasan_save_stack+0x22/0x40 mm/kasan/common.c:45
 kasan_set_track+0x25/0x30 mm/kasan/common.c:52
 __kasan_slab_alloc+0x82/0x90 mm/kasan/common.c:325
 kasan_slab_alloc include/linux/kasan.h:201 [inline]
 slab_post_alloc_hook mm/slab.h:737 [inline]
 slab_alloc_node mm/slub.c:3398 [inline]
 slab_alloc mm/slub.c:3406 [inline]
 __kmem_cache_alloc_lru mm/slub.c:3413 [inline]
 kmem_cache_alloc+0x2b4/0x3d0 mm/slub.c:3422
 dst_alloc+0x14a/0x1f0 net/core/dst.c:92
 ip6_dst_alloc+0x32/0xa0 net/ipv6/route.c:344
 ip6_rt_pcpu_alloc net/ipv6/route.c:1369 [inline]
 rt6_make_pcpu_route net/ipv6/route.c:1417 [inline]
 ip6_pol_route+0x901/0x1190 net/ipv6/route.c:2254
 pol_lookup_func include/net/ip6_fib.h:582 [inline]
 fib6_rule_lookup+0x52e/0x6f0 net/ipv6/fib6_rules.c:121
 ip6_route_output_flags_noref+0x2e6/0x380 net/ipv6/route.c:2625
 ip6_route_output_flags+0x76/0x320 net/ipv6/route.c:2638
 ip6_route_output include/net/ip6_route.h:98 [inline]
 ip6_dst_lookup_tail+0x5ab/0x1620 net/ipv6/ip6_output.c:1092
 ip6_dst_lookup_flow+0x90/0x1d0 net/ipv6/ip6_output.c:1222
 ip6_sk_dst_lookup_flow+0x553/0x980 net/ipv6/ip6_output.c:1260
 udpv6_sendmsg+0x151d/0x2c80 net/ipv6/udp.c:1554
 inet6_sendmsg+0x9d/0xe0 net/ipv6/af_inet6.c:665
 sock_sendmsg_nosec net/socket.c:714 [inline]
 sock_sendmsg+0xd3/0x120 net/socket.c:734
 __sys_sendto+0x23a/0x340 net/socket.c:2117
 __do_sys_sendto net/socket.c:2129 [inline]
 __se_sys_sendto net/socket.c:2125 [inline]
 __x64_sys_sendto+0xe1/0x1b0 net/socket.c:2125
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

Freed by task 7599:
 kasan_save_stack+0x22/0x40 mm/kasan/common.c:45
 kasan_set_track+0x25/0x30 mm/kasan/common.c:52
 kasan_save_free_info+0x2e/0x40 mm/kasan/generic.c:511
 ____kasan_slab_free mm/kasan/common.c:236 [inline]
 ____kasan_slab_free+0x160/0x1c0 mm/kasan/common.c:200
 kasan_slab_free include/linux/kasan.h:177 [inline]
 slab_free_hook mm/slub.c:1724 [inline]
 slab_free_freelist_hook+0x8b/0x1c0 mm/slub.c:1750
 slab_free mm/slub.c:3661 [inline]
 kmem_cache_free+0xee/0x5c0 mm/slub.c:3683
 dst_destroy+0x2ea/0x400 net/core/dst.c:127
 rcu_do_batch kernel/rcu/tree.c:2250 [inline]
 rcu_core+0x81f/0x1980 kernel/rcu/tree.c:2510
 __do_softirq+0x1fb/0xadc kernel/softirq.c:571

Last potentially related work creation:
 kasan_save_stack+0x22/0x40 mm/kasan/common.c:45
 __kasan_record_aux_stack+0xbc/0xd0 mm/kasan/generic.c:481
 call_rcu+0x9d/0x820 kernel/rcu/tree.c:2798
 dst_release net/core/dst.c:177 [inline]
 dst_release+0x7d/0xe0 net/core/dst.c:167
 refdst_drop include/net/dst.h:256 [inline]
 skb_dst_drop include/net/dst.h:268 [inline]
 skb_release_head_state+0x250/0x2a0 net/core/skbuff.c:838
 skb_release_all net/core/skbuff.c:852 [inline]
 __kfree_skb net/core/skbuff.c:868 [inline]
 kfree_skb_reason+0x151/0x4b0 net/core/skbuff.c:891
 kfree_skb_list_reason+0x4b/0x70 net/core/skbuff.c:901
 kfree_skb_list include/linux/skbuff.h:1227 [inline]
 ip6_fragment+0x2026/0x2770 net/ipv6/ip6_output.c:949
 __ip6_finish_output net/ipv6/ip6_output.c:193 [inline]
 ip6_finish_output+0x9a3/0x1170 net/ipv6/ip6_output.c:206
 NF_HOOK_COND include/linux/netfilter.h:291 [inline]
 ip6_output+0x1f1/0x540 net/ipv6/ip6_output.c:227
 dst_output include/net/dst.h:445 [inline]
 ip6_local_out+0xb3/0x1a0 net/ipv6/output_core.c:161
 ip6_send_skb+0xbb/0x340 net/ipv6/ip6_output.c:1966
 udp_v6_send_skb+0x82a/0x18a0 net/ipv6/udp.c:1286
 udp_v6_push_pending_frames+0x140/0x200 net/ipv6/udp.c:1313
 udpv6_sendmsg+0x18da/0x2c80 net/ipv6/udp.c:1606
 inet6_sendmsg+0x9d/0xe0 net/ipv6/af_inet6.c:665
 sock_sendmsg_nosec net/socket.c:714 [inline]
 sock_sendmsg+0xd3/0x120 net/socket.c:734
 sock_write_iter+0x295/0x3d0 net/socket.c:1108
 call_write_iter include/linux/fs.h:2191 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x9ed/0xdd0 fs/read_write.c:584
 ksys_write+0x1ec/0x250 fs/read_write.c:637
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

Second to last potentially related work creation:
 kasan_save_stack+0x22/0x40 mm/kasan/common.c:45
 __kasan_record_aux_stack+0xbc/0xd0 mm/kasan/generic.c:481
 call_rcu+0x9d/0x820 kernel/rcu/tree.c:2798
 dst_release net/core/dst.c:177 [inline]
 dst_release+0x7d/0xe0 net/core/dst.c:167
 refdst_drop include/net/dst.h:256 [inline]
 skb_dst_drop include/net/dst.h:268 [inline]
 __dev_queue_xmit+0x1b9d/0x3ba0 net/core/dev.c:4211
 dev_queue_xmit include/linux/netdevice.h:3008 [inline]
 neigh_resolve_output net/core/neighbour.c:1552 [inline]
 neigh_resolve_output+0x51b/0x840 net/core/neighbour.c:1532
 neigh_output include/net/neighbour.h:546 [inline]
 ip6_finish_output2+0x56c/0x1530 net/ipv6/ip6_output.c:134
 __ip6_finish_output net/ipv6/ip6_output.c:195 [inline]
 ip6_finish_output+0x694/0x1170 net/ipv6/ip6_output.c:206
 NF_HOOK_COND include/linux/netfilter.h:291 [inline]
 ip6_output+0x1f1/0x540 net/ipv6/ip6_output.c:227
 dst_output include/net/dst.h:445 [inline]
 NF_HOOK include/linux/netfilter.h:302 [inline]
 NF_HOOK include/linux/netfilter.h:296 [inline]
 mld_sendpack+0xa09/0xe70 net/ipv6/mcast.c:1820
 mld_send_cr net/ipv6/mcast.c:2121 [inline]
 mld_ifc_work+0x720/0xdc0 net/ipv6/mcast.c:2653
 process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289
 worker_thread+0x669/0x1090 kernel/workqueue.c:2436
 kthread+0x2e8/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306

The buggy address belongs to the object at ffff88801d403dc0
 which belongs to the cache ip6_dst_cache of size 240
The buggy address is located 192 bytes inside of
 240-byte region [ffff88801d403dc0ffff88801d403eb0)

The buggy address belongs to the physical page:
page:ffffea00007500c0 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1d403
memcg:ffff888022f49c81
flags: 0xfff00000000200(slab|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000200 ffffea0001ef6580 dead000000000002 ffff88814addf640
raw: 0000000000000000 00000000800c000c 00000001ffffffff ffff888022f49c81
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x112a20(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORETRY|__GFP_HARDWALL), pid 3719, tgid 3719 (kworker/0:6), ts 136223432244, free_ts 136222971441
 prep_new_page mm/page_alloc.c:2539 [inline]
 get_page_from_freelist+0x10b5/0x2d50 mm/page_alloc.c:4288
 __alloc_pages+0x1cb/0x5b0 mm/page_alloc.c:5555
 alloc_pages+0x1aa/0x270 mm/mempolicy.c:2285
 alloc_slab_page mm/slub.c:1794 [inline]
 allocate_slab+0x213/0x300 mm/slub.c:1939
 new_slab mm/slub.c:1992 [inline]
 ___slab_alloc+0xa91/0x1400 mm/slub.c:3180
 __slab_alloc.constprop.0+0x56/0xa0 mm/slub.c:3279
 slab_alloc_node mm/slub.c:3364 [inline]
 slab_alloc mm/slub.c:3406 [inline]
 __kmem_cache_alloc_lru mm/slub.c:3413 [inline]
 kmem_cache_alloc+0x31a/0x3d0 mm/slub.c:3422
 dst_alloc+0x14a/0x1f0 net/core/dst.c:92
 ip6_dst_alloc+0x32/0xa0 net/ipv6/route.c:344
 icmp6_dst_alloc+0x71/0x680 net/ipv6/route.c:3261
 mld_sendpack+0x5de/0xe70 net/ipv6/mcast.c:1809
 mld_send_cr net/ipv6/mcast.c:2121 [inline]
 mld_ifc_work+0x720/0xdc0 net/ipv6/mcast.c:2653
 process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289
 worker_thread+0x669/0x1090 kernel/workqueue.c:2436
 kthread+0x2e8/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1459 [inline]
 free_pcp_prepare+0x65c/0xd90 mm/page_alloc.c:1509
 free_unref_page_prepare mm/page_alloc.c:3387 [inline]
 free_unref_page+0x1d/0x4d0 mm/page_alloc.c:3483
 __unfreeze_partials+0x17c/0x1a0 mm/slub.c:2586
 qlink_free mm/kasan/quarantine.c:168 [inline]
 qlist_free_all+0x6a/0x170 mm/kasan/quarantine.c:187
 kasan_quarantine_reduce+0x184/0x210 mm/kasan/quarantine.c:294
 __kasan_slab_alloc+0x66/0x90 mm/kasan/common.c:302
 kasan_slab_alloc include/linux/kasan.h:201 [inline]
 slab_post_alloc_hook mm/slab.h:737 [inline]
 slab_alloc_node mm/slub.c:3398 [inline]
 kmem_cache_alloc_node+0x304/0x410 mm/slub.c:3443
 __alloc_skb+0x214/0x300 net/core/skbuff.c:497
 alloc_skb include/linux/skbuff.h:1267 [inline]
 netlink_alloc_large_skb net/netlink/af_netlink.c:1191 [inline]
 netlink_sendmsg+0x9a6/0xe10 net/netlink/af_netlink.c:1896
 sock_sendmsg_nosec net/socket.c:714 [inline]
 sock_sendmsg+0xd3/0x120 net/socket.c:734
 __sys_sendto+0x23a/0x340 net/socket.c:2117
 __do_sys_sendto net/socket.c:2129 [inline]
 __se_sys_sendto net/socket.c:2125 [inline]
 __x64_sys_sendto+0xe1/0x1b0 net/socket.c:2125
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

Fixes: 1758fd4688eb ("ipv6: remove unnecessary dst_hold() in ip6_fragment()")
Reported-by: syzbot+8c0ac31aa9681abb9e2d@syzkaller.appspotmail.com
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Wei Wang <weiwan@google.com>
Cc: Martin KaFai Lau <kafai@fb.com>
Link: https://lore.kernel.org/r/20221206101351.2037285-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
19 months agonet: plip: don't call kfree_skb/dev_kfree_skb() under spin_lock_irq()
Yang Yingliang [Wed, 7 Dec 2022 01:53:10 +0000 (09:53 +0800)]
net: plip: don't call kfree_skb/dev_kfree_skb() under spin_lock_irq()

It is not allowed to call kfree_skb() or consume_skb() from
hardware interrupt context or with interrupts being disabled.
So replace kfree_skb/dev_kfree_skb() with dev_kfree_skb_irq()
and dev_consume_skb_irq() under spin_lock_irq().

Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Link: https://lore.kernel.org/r/20221207015310.2984909-1-yangyingliang@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
19 months agonet: phy: mxl-gpy: add MDINT workaround
Michael Walle [Mon, 5 Dec 2022 20:04:53 +0000 (21:04 +0100)]
net: phy: mxl-gpy: add MDINT workaround

At least the GPY215B and GPY215C has a bug where it is still driving the
interrupt line (MDINT) even after the interrupt status register is read
and its bits are cleared. This will cause an interrupt storm.

Although the MDINT is multiplexed with a GPIO pin and theoretically we
could switch the pinmux to GPIO input mode, this isn't possible because
the access to this register will stall exactly as long as the interrupt
line is asserted. We exploit this very fact and just read a random
internal register in our interrupt handler. This way, it will be delayed
until the external interrupt line is released and an interrupt storm is
avoided.

The internal register access via the mailbox was deduced by looking at
the downstream PHY API because the datasheet doesn't mention any of
this.

Fixes: 7d901a1e878a ("net: phy: add Maxlinear GPY115/21x/24x driver")
Signed-off-by: Michael Walle <michael@walle.cc>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20221205200453.3447866-1-michael@walle.cc
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
19 months agoMerge tag 'linux-can-fixes-for-6.1-20221207' of git://git.kernel.org/pub/scm/linux...
Jakub Kicinski [Thu, 8 Dec 2022 02:57:54 +0000 (18:57 -0800)]
Merge tag 'linux-can-fixes-for-6.1-20221207' of git://git./linux/kernel/git/mkl/linux-can

Marc Kleine-Budde says:

====================
pull-request: can 2022-12-07

The 1st patch is by Oliver Hartkopp and fixes a potential NULL pointer
deref found by syzbot in the AF_CAN protocol.

The next 2 patches are by Jiri Slaby and Max Staudt and add the
missing flush_work() before freeing the underlying memory in the slcan
and can327 driver.

The last patch is by Frank Jungclaus and target the esd_usb driver and
fixes the CAN error counters, allowing them to return to zero.

* tag 'linux-can-fixes-for-6.1-20221207' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can:
  can: esd_usb: Allow REC and TEC to return to zero
  can: can327: flush TX_work on ldisc .close()
  can: slcan: fix freed work crash
  can: af_can: fix NULL pointer dereference in can_rcv_filter
====================

Link: https://lore.kernel.org/r/20221207105243.2483884-1-mkl@pengutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
19 months agoplatform/chrome: cros_ec_typec: zero out stale pointers
Victor Ding [Wed, 7 Dec 2022 09:39:40 +0000 (09:39 +0000)]
platform/chrome: cros_ec_typec: zero out stale pointers

`cros_typec_get_switch_handles` allocates four pointers when obtaining
type-c switch handles. These pointers are all freed if failing to obtain
any of them; therefore, pointers in `port` become stale. The stale
pointers eventually cause use-after-free or double free in later code
paths. Zeroing out all pointer fields after freeing to eliminate these
stale pointers.

Fixes: f28adb41dab4 ("platform/chrome: cros_ec_typec: Register Type C switches")
Fixes: 1a8912caba02 ("platform/chrome: cros_ec_typec: Get retimer handle")
Signed-off-by: Victor Ding <victording@chromium.org>
Acked-by: Prashant Malani <pmalani@chromium.org>
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Link: https://lore.kernel.org/r/20221207093924.v2.1.I1864b6a7ee98824118b93677868d22d3750f439b@changeid
19 months agokest.pl: Fix grub2 menu handling for rebooting
Steven Rostedt [Wed, 30 Nov 2022 22:54:34 +0000 (17:54 -0500)]
kest.pl: Fix grub2 menu handling for rebooting

grub2 has submenus where to use grub-reboot, it requires:

  grub-reboot X>Y

where X is the main index and Y is the submenu. Thus if you have:

menuentry 'Debian GNU/Linux' --class debian --class gnu-linux ...
[...]
}
submenu 'Advanced options for Debian GNU/Linux' $menuentry_id_option ...
        menuentry 'Debian GNU/Linux, with Linux 6.0.0-4-amd64' --class debian --class gnu-linux ...
                [...]
        }
        menuentry 'Debian GNU/Linux, with Linux 6.0.0-4-amd64 (recovery mode)' --class debian --class gnu-linux ...
[...]
        }
        menuentry 'Debian GNU/Linux, with Linux test' --class debian --class gnu-linux ...
                [...]
        }

And wanted to boot to the "Linux test" kernel, you need to run:

 # grub-reboot 1>2

As 1 is the second top menu (the submenu) and 2 is the third of the sub
menu entries.

Have the grub.cfg parsing for grub2 handle such cases.

Cc: stable@vger.kernel.org
Fixes: a15ba91361d46 ("ktest: Add support for grub2")
Reviewed-by: John 'Warthog9' Hawley (VMware) <warthog9@eaglescrag.net>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
19 months agoktest.pl minconfig: Unset configs instead of just removing them
Steven Rostedt [Fri, 2 Dec 2022 16:59:36 +0000 (11:59 -0500)]
ktest.pl minconfig: Unset configs instead of just removing them

After a full run of a make_min_config test, I noticed there were a lot of
CONFIGs still enabled that really should not be. Looking at them, I
noticed they were all defined as "default y". The issue is that the test
simple removes the config and re-runs make oldconfig, which enables it
again because it is set to default 'y'. Instead, explicitly disable the
config with writing "# CONFIG_FOO is not set" to the file to keep it from
being set again.

With this change, one of my box's minconfigs went from 768 configs set,
down to 521 configs set.

Link: https://lkml.kernel.org/r/20221202115936.016fce23@gandalf.local.home
Cc: stable@vger.kernel.org
Fixes: 0a05c769a9de5 ("ktest: Added config_bisect test type")
Reviewed-by: John 'Warthog9' Hawley (VMware) <warthog9@eaglescrag.net>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
19 months agoMerge tag 'qcom-arm64-defconfig-for-6.2-2' of https://git.kernel.org/pub/scm/linux...
Arnd Bergmann [Wed, 7 Dec 2022 21:10:05 +0000 (22:10 +0100)]
Merge tag 'qcom-arm64-defconfig-for-6.2-2' of https://git./linux/kernel/git/qcom/linux into arm/defconfig

More Qualcomm ARM64 defconfig updates for 6.2

This enables Globalc Clock Controller (GCC) and TLMM pinctrl for SM6115
and SM4250.

* tag 'qcom-arm64-defconfig-for-6.2-2' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux:
  arm64: defconfig: Enable Qualcomm SM6115 / SM4250 GCC and Pinctrl

Link: https://lore.kernel.org/r/20221207154339.3234068-1-andersson@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
19 months agoMerge tag 'qcom-drivers-for-6.2-2' of https://git.kernel.org/pub/scm/linux/kernel...
Arnd Bergmann [Wed, 7 Dec 2022 21:07:48 +0000 (22:07 +0100)]
Merge tag 'qcom-drivers-for-6.2-2' of https://git./linux/kernel/git/qcom/linux into soc/drivers

More Qualcomm driver updates for 6.2

Socinfo is extended with knowledge about MSM8956, MSM8976, SM6115,
SM4250, SM8150, SA8155 and SM8550.

Support for RSC v3, as found in SM8550 is added to the RPMH RSC driver.

Support for SM8550 and SM4250 ARC regulators are added to the RPM(h)
power-domain drivers. SM8550 support is added to the LLCC driver.
The AOSS QMP binding is declared compatible for SM8550.

BWMON and LLCC now selects REGMAP_MMIO to ensure dependencies are built
properly.

* tag 'qcom-drivers-for-6.2-2' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux:
  soc: qcom: socinfo: Add SM6115 / SM4250 SoC IDs to the soc_id table
  dt-bindings: arm: qcom,ids: Add SoC IDs for SM6115 / SM4250 and variants
  soc: qcom: socinfo: Add SM8150 and SA8155 SoC IDs to the soc_id table
  dt-bindings: arm: qcom,ids: Add SoC IDs for SM8150 and SA8155
  dt-bindings: soc: qcom: apr: document generic qcom,apr compatible
  soc: qcom: Select REMAP_MMIO for ICC_BWMON driver
  soc: qcom: Select REMAP_MMIO for LLCC driver
  soc: qcom: rpmpd: Add SM4250 support
  dt-bindings: power: rpmpd: Add SM4250 support
  dt-bindings: soc: qcom: aoss: Add compatible for SM8550
  soc: qcom: llcc: Add configuration data for SM8550
  dt-bindings: arm: msm: Add LLCC compatible for SM8550
  soc: qcom: llcc: Add v4.1 HW version support
  soc: qcom: socinfo: Add SM8550 ID
  soc: qcom: rpmh-rsc: Avoid unnecessary checks on irq-done response
  soc: qcom: rpmh-rsc: Add support for RSC v3 register offsets
  soc: qcom: rpmhpd: Add SM8550 power domains
  dt-bindings: power: rpmpd: Add SM8550 to rpmpd binding
  soc: qcom: socinfo: Add MSM8956/76 SoC IDs to the soc_id table
  dt-bindings: arm: qcom,ids: Add SoC IDs for MSM8956 and MSM8976

Link: https://lore.kernel.org/r/20221207154134.3233779-1-andersson@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
19 months agoMerge tag 'qcom-dts-for-6.2-2' of https://git.kernel.org/pub/scm/linux/kernel/git...
Arnd Bergmann [Wed, 7 Dec 2022 21:06:03 +0000 (22:06 +0100)]
Merge tag 'qcom-dts-for-6.2-2' of https://git./linux/kernel/git/qcom/linux into soc/dt

More Qualcomm DTS updates for 6.2

This introduces support for the OnePlus One, on MSM8974Pro, and properly
marks other Pro devices as compatible thereof. Also on MSM8974, the
description of USB devices and their PHYs are cleaned up.

On the binding side compatibles for recently added ARM and ARM64 boards
are added.

* tag 'qcom-dts-for-6.2-2' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux: (102 commits)
  dt-bindings: arm: qcom: Add zombie
  ARM: dts: qcom: msm8974: Add OnePlus One
  dt-bindings: arm: qcom: Document oneplus,bacon device
  ARM: dts: qcom: msm8974: clean up USB nodes
  arm: dts: qcom: use qcom,msm8974pro for pro devices
  dt-bindings: arm: qcom: split MSM8974 Pro and MSM8974
  ARM: dts: qcom: align LED node names with dtschema
  dt-bindings: arm: qcom: Document additional sa8540p device
  dt-bindings: arm: qcom: Add Xperia 5 IV (PDX224)
  dt-bindings: arm: qcom: Document msm8956 and msm8976 SoC and devices
  dt-bindings: arm: add xiaomi,sagit board based on msm8998 chip
  dt-bindings: arm: qcom: add sdm670 and pixel 3a compatible
  dt-bindings: arm: cpus: add qcom kryo 360 compatible
  ARM: dts: qcom-msm8960-cdp: align TLMM pin configuration with DT schema
  ARM: dts: qcom-msm8960: use define for interrupt constants
  dt-bindings: arm: qcom: Document SM6375 & Xperia 10 IV
  ARM: dts: qcom-apq8060: align TLMM pin configuration with DT schema
  ARM: dts: qcom: msm8226: Add MMCC node
  dt-bindings: arm: qcom: Separate LTE/WIFI SKU for sc7280-evoker
  dt-bindings: arm: qcom: Document QDU1000/QRU1000 SoCs and boards
  ...

Link: https://lore.kernel.org/r/20221207153201.3233015-1-andersson@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
19 months agoMerge tag 'qcom-arm64-for-6.2-2' of https://git.kernel.org/pub/scm/linux/kernel/git...
Arnd Bergmann [Wed, 7 Dec 2022 20:59:54 +0000 (21:59 +0100)]
Merge tag 'qcom-arm64-for-6.2-2' of https://git./linux/kernel/git/qcom/linux into soc/dt

More Qualcomm ARM64 DT updates for 6.2

This introduce description of MSM8956 and MSM8976 and based on this adds
Sony Xperia X and X Compact.

It adds the SA8540P QDrive 3 automotive development board and enables
PCIe on the same.

Add description of the Vision Mezzanine for the RB5 board and the
Navigation Mezzanine for the SDM845 RB3.

SC8280XP adds L3 and DDR scaling support, resulting in good performance
improvement. PCIe and UFS is marked DMA coherent, resolving data
corruption issues. Reference clocks for UFS phy and device are
corrected, to resolve issues seen in combinations with some bootloaders
where it's not sufficient to rely on the bootloader state.

RTC description is added to the SA8295P ADP board.

For SM6115 GPI, PRNG, tsens, WCN, cpufreq, I2C/SPI and display blocks
are added.

On SM6375 QUP blocks are described, allowing the addition of touchscreen
and remoteprocs for ADSP and CDSP are introduced.  Sony Xperia 10 IV
adds description of regulators, allowing enabling SD-card support.

SM8250 Coresight components are described

It introduces support for the Xiaomi Mi 6 on MSM8998 and adds flash LED
to the Xiaomi Redmi 2.

The SDHCI block on SM8350 is described and enabled on Sony Xperia 5 III.

SM8450 sound and Soundwire blocks are described, and enabled on HDK.
CPU supply clock is described, to satisfy the DT binding and the
opp-framework.
Sony Xperia 5 IV support is added, with touchscreen added.

Lastly a range of changes to align DT source with their bindings.

* tag 'qcom-arm64-for-6.2-2' of https://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux: (98 commits)
  dt-bindings: iio: adc: qcom,spmi-vadc: fix PM8350 define
  dt-bindings: iio: adc: qcom,spmi-vadc: extend example
  arm64: dts: qcom: sc8280xp: fix UFS DMA coherency
  arm64: dts: qcom: sc7280: Add DT for sc7280-herobrine-zombie
  arm64: dts: qcom: sm8250-sony-xperia-edo: fix no-mmc property for SDHCI
  arm64: dts: qcom: sdm845-sony-xperia-tama: fix no-mmc property for SDHCI
  arm64: dts: qcom: sda660-inforce-ifc6560: fix no-mmc property for SDHCI
  arm64: dts: qcom: sa8155p-adp: fix no-mmc property for SDHCI
  arm64: dts: qcom: qrb5165-rb: fix no-mmc property for SDHCI
  arm64: dts: qcom: sm8450: align MMC node names with dtschema
  arm64: dts: qcom: sc7180-trogdor: use generic node names
  arm64: dts: qcom: sm8450-hdk: add sound support
  arm64: dts: qcom: sm8450: add Soundwire and LPASS
  arm64: dts: qcom: sm8450: add GPR node
  arm64: dts: qcom: sa8540p-ride: enable PCIe support
  arm64: dts: qcom: sm6115: Add smmu fallback to qcom generic compatible
  arm64: dts: qcom: sm6115: Add WCN node
  arm64: dts: qcom: sm6115: Add i2c/spi nodes
  arm64: dts: qcom: sm6115: Add GPI DMA
  arm64: dts: qcom: sm6115: Add mdss/dpu node
  ...

Link: https://lore.kernel.org/r/20221207152554.3232434-1-andersson@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
19 months agoMerge tag 'socfpga_dts_updates_for_v6.2_part2' of git://git.kernel.org/pub/scm/linux...
Arnd Bergmann [Wed, 7 Dec 2022 20:48:25 +0000 (21:48 +0100)]
Merge tag 'socfpga_dts_updates_for_v6.2_part2' of git://git./linux/kernel/git/dinguyen/linux into soc/dt

SoCFPGA dts updates for v6.2, part 2
- Fix dtschema for LED node
- Fix dtschema for i2c-mux

* tag 'socfpga_dts_updates_for_v6.2_part2' of git://git.kernel.org/pub/scm/linux/kernel/git/dinguyen/linux:
  ARM: dts: socfpga: Fix pca9548 i2c-mux node name
  ARM: dts: socfpga: align LED node names with dtschema
  arm64: dts: altera: align LED node names with dtschema

Link: https://lore.kernel.org/r/20221206214006.590562-1-dinguyen@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
19 months agoMerge tag 'platform-drivers-x86-v6.1-5' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Wed, 7 Dec 2022 20:37:35 +0000 (12:37 -0800)]
Merge tag 'platform-drivers-x86-v6.1-5' of git://git./linux/kernel/git/pdx86/platform-drivers-x86

Pull x86 platform driver fix from Hans de Goede:
 "A single fix for 6.1 for suspend/resume issues on some AMD systems"

* tag 'platform-drivers-x86-v6.1-5' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
  platform/x86/amd: pmc: Add a workaround for an s0i3 issue on Cezanne

19 months agofscache: Fix oops due to race with cookie_lru and use_cookie
Dave Wysochanski [Wed, 7 Dec 2022 13:49:15 +0000 (13:49 +0000)]
fscache: Fix oops due to race with cookie_lru and use_cookie

If a cookie expires from the LRU and the LRU_DISCARD flag is set, but
the state machine has not run yet, it's possible another thread can call
fscache_use_cookie and begin to use it.

When the cookie_worker finally runs, it will see the LRU_DISCARD flag
set, transition the cookie->state to LRU_DISCARDING, which will then
withdraw the cookie.  Once the cookie is withdrawn the object is removed
the below oops will occur because the object associated with the cookie
is now NULL.

Fix the oops by clearing the LRU_DISCARD bit if another thread uses the
cookie before the cookie_worker runs.

  BUG: kernel NULL pointer dereference, address: 0000000000000008
  ...
  CPU: 31 PID: 44773 Comm: kworker/u130:1 Tainted: G     E    6.0.0-5.dneg.x86_64 #1
  Hardware name: Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022
  Workqueue: events_unbound netfs_rreq_write_to_cache_work [netfs]
  RIP: 0010:cachefiles_prepare_write+0x28/0x90 [cachefiles]
  ...
  Call Trace:
    netfs_rreq_write_to_cache_work+0x11c/0x320 [netfs]
    process_one_work+0x217/0x3e0
    worker_thread+0x4a/0x3b0
    kthread+0xd6/0x100

Fixes: 12bb21a29c19 ("fscache: Implement cookie user counting and resource pinning")
Reported-by: Daire Byrne <daire.byrne@gmail.com>
Signed-off-by: Dave Wysochanski <dwysocha@redhat.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Tested-by: Daire Byrne <daire@dneg.com>
Link: https://lore.kernel.org/r/20221117115023.1350181-1-dwysocha@redhat.com/
Link: https://lore.kernel.org/r/20221117142915.1366990-1-dwysocha@redhat.com/
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>