Date: Sun, 28 Jan 2024 03:12:57 GMT From: Mark Johnston <markj@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: 4dedcb1bb54c - main - libc/amd64: Disable ASAN for amd64_archlevel.c Message-ID: <202401280312.40S3CvGV031677@gitrepo.freebsd.org>
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The branch main has been updated by markj: URL: https://cgit.FreeBSD.org/src/commit/?id=4dedcb1bb54cbbe8043c79ad733f966b6ffc6972 commit 4dedcb1bb54cbbe8043c79ad733f966b6ffc6972 Author: Mark Johnston <markj@FreeBSD.org> AuthorDate: 2024-01-28 02:49:41 +0000 Commit: Mark Johnston <markj@FreeBSD.org> CommitDate: 2024-01-28 03:12:01 +0000 libc/amd64: Disable ASAN for amd64_archlevel.c The code in this file runs before the sanitizer can initialize its shadow map. Fixes: ad2fac552c3f ("lib/libc/amd64: add archlevel-based simd dispatch framework") --- lib/libc/amd64/string/Makefile.inc | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/lib/libc/amd64/string/Makefile.inc b/lib/libc/amd64/string/Makefile.inc index b1369841bc74..d5bb646c5c53 100644 --- a/lib/libc/amd64/string/Makefile.inc +++ b/lib/libc/amd64/string/Makefile.inc @@ -28,3 +28,9 @@ MDSRCS+= \ strspn.S \ timingsafe_bcmp.S \ timingsafe_memcmp.S + +.if ${MK_ASAN} != "no" +# Disable ASAN for amd64_archlevel.c since its code is executed before the +# sanitizer runtime can initialize itself. +CFLAGS.amd64_archlevel.c+= -fno-sanitize=address +.endif
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