git: 7e85d20eb8f1 - stable/13 - hwpmc: Disable KASAN in pmc_save_kernel_callchain()
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Date: Mon, 01 Nov 2021 14:33:11 UTC
The branch stable/13 has been updated by markj: URL: https://cgit.FreeBSD.org/src/commit/?id=7e85d20eb8f16f8892fda4924a601655220216ca commit 7e85d20eb8f16f8892fda4924a601655220216ca Author: Mark Johnston <markj@FreeBSD.org> AuthorDate: 2021-07-10 00:38:11 +0000 Commit: Mark Johnston <markj@FreeBSD.org> CommitDate: 2021-11-01 14:06:47 +0000 hwpmc: Disable KASAN in pmc_save_kernel_callchain() As in commit 831850d8b087, this routine can trigger false positives, so exclude it from instrumentation. Reported by: pho Sponsored by: The FreeBSD Foundation (cherry picked from commit 5d243d41b1206044cb5eddd5d48c1c711b731478) --- sys/dev/hwpmc/hwpmc_x86.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sys/dev/hwpmc/hwpmc_x86.c b/sys/dev/hwpmc/hwpmc_x86.c index 2b2596328ec0..db6ed6fb1145 100644 --- a/sys/dev/hwpmc/hwpmc_x86.c +++ b/sys/dev/hwpmc/hwpmc_x86.c @@ -156,7 +156,7 @@ pmc_save_user_callchain(uintptr_t *cc, int nframes, struct trapframe *tf) * code, and if so we terminate our trace. */ -int +int __nosanitizeaddress pmc_save_kernel_callchain(uintptr_t *cc, int nframes, struct trapframe *tf) { int n;