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x86/fault: Don't look for extable entries for SMEP violations
authorAndy Lutomirski <luto@kernel.org>
Wed, 10 Feb 2021 02:33:44 +0000 (18:33 -0800)
committerBorislav Petkov <bp@suse.de>
Wed, 10 Feb 2021 13:45:39 +0000 (14:45 +0100)
commit66fcd98883816dba3b66da20b5fc86fa410638b5
treec5b78ad2fede708345f04a803daa13222a74fbe1tree | snapshot
parent6456a2a69ee16ad402f26d272d0b67ce1d25061fcommit | diff
x86/fault: Don't look for extable entries for SMEP violations

If the kernel gets a SMEP violation or a fault that would have been a
SMEP violation if it had SMEP support, it shouldn't run fixups. Just
OOPS.

 [ bp: Massage commit message. ]

Signed-off-by: Andy Lutomirski <luto@kernel.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/46160d8babce2abf1d6daa052146002efa24ac56.1612924255.git.luto@kernel.org
arch/x86/mm/fault.c diff | blob | history
Domain: System / Kernel;