]> git.ipfire.org Git - thirdparty/kernel/stable.git/commit
x86/ibt: Handle FineIBT in handle_cfi_failure()
authorPeter Zijlstra <peterz@infradead.org>
Thu, 13 Feb 2025 11:45:47 +0000 (12:45 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 29 May 2025 09:13:23 +0000 (11:13 +0200)
commit198cce77dd5f1778d05b35505af8a26c8a57df2a
tree7c264524b03dbe4a0511313c8a58b6137adbf879
parent4e41e0da7726b09ae12275d2c4cc4a3d76a69b39
x86/ibt: Handle FineIBT in handle_cfi_failure()

[ Upstream commit 882b86fd4e0d49bf91148dbadcdbece19ded40e6 ]

Sami reminded me that FineIBT failure does not hook into the regular
CFI failure case, and as such CFI_PERMISSIVE does not work.

Reported-by: Sami Tolvanen <samitolvanen@google.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Sami Tolvanen <samitolvanen@google.com>
Link: https://lkml.kernel.org/r/20250214092619.GB21726@noisy.programming.kicks-ass.net
Signed-off-by: Sasha Levin <sashal@kernel.org>
arch/x86/include/asm/cfi.h
arch/x86/kernel/alternative.c
arch/x86/kernel/cfi.c