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x86/ibt: Handle FineIBT in handle_cfi_failure()
authorPeter Zijlstra <peterz@infradead.org>
Thu, 13 Feb 2025 11:45:47 +0000 (12:45 +0100)
committerPeter Zijlstra <peterz@infradead.org>
Fri, 14 Feb 2025 09:32:07 +0000 (10:32 +0100)
commit882b86fd4e0d49bf91148dbadcdbece19ded40e6
treeba69be9524df4fc5caa67530d871acfe3ad93113tree
parent306859de59e59f88662b6b56ff2ce3bbb1e375bbcommit | diff
x86/ibt: Handle FineIBT in handle_cfi_failure()

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
arch/x86/include/asm/cfi.h diff | blob | history
arch/x86/kernel/alternative.c diff | blob | history
arch/x86/kernel/cfi.c diff | blob | history
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