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(parent: e8f3bd7) | patch
fuse: fix initial parallel dirops
authorMiklos Szeredi <mszeredi@redhat.com>
Thu, 26 Jul 2018 14:13:11 +0000 (16:13 +0200)
committerMiklos Szeredi <mszeredi@redhat.com>
Thu, 26 Jul 2018 14:13:11 +0000 (16:13 +0200)
commit63576c13bd17848376c8ba4a98f5d5151140c4ac
tree2b33da7010c6d8a18f0736cf80a967a4ce8ad50ctree | snapshot
parente8f3bd773d22f488724dffb886a1618da85c2966commit | diff
fuse: fix initial parallel dirops

If parallel dirops are enabled in FUSE_INIT reply, then first operation may
leave fi->mutex held.

Reported-by: syzbot <syzbot+3f7b29af1baa9d0a55be@syzkaller.appspotmail.com>
Fixes: 5c672ab3f0ee ("fuse: serialize dirops by default")
Cc: <stable@vger.kernel.org> # v4.7
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
fs/fuse/dir.c diff | blob | history
fs/fuse/fuse_i.h diff | blob | history
fs/fuse/inode.c diff | blob | history
Domain: System / Kernel;