Diffusion FreeBSD src repository 831850d8b087

stack(9): Disable KASAN in stack_capture()
831850d8b087
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Description

stack(9): Disable KASAN in stack_capture()

When unwinding the stack, we may encounter a stack frame in a poisoned
region of the stack, triggering a false positive.

Reviewed by: andrew, kib
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D30126

Details

Provenance

Authored on May 7 2021, 6:20 PM

Reviewer

Differential Revision

D30126: KASAN: Disable the sanitizer in stack_capture()

Parents

rGcfad8bd24f03: cdefs: Make __nosanitizeaddress work for KASAN as well

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Event Timeline

markj committed rG831850d8b087: stack(9): Disable KASAN in stack_capture() (authored by markj).May 7 2021, 6:31 PM

markj added an edge: D30126: KASAN: Disable the sanitizer in stack_capture().May 7 2021, 6:34 PM

markj mentioned this in rG5d243d41b120: hwpmc: Disable KASAN in pmc_save_kernel_callchain().Jul 10 2021, 12:48 AM

markj mentioned this in rG0dbb46e5fa69: stack(9): Disable KASAN in stack_capture().Nov 1 2021, 2:33 PM

markj mentioned this in rG7e85d20eb8f1: hwpmc: Disable KASAN in pmc_save_kernel_callchain().

Changes (1)

Path

Size

sys/

x86/

x86/

stack_machdep.c

rG831850d8b087

sys/x86/x86/stack_machdep.c

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