diff options
Diffstat (limited to 'lib/libc')
| -rw-r--r-- | lib/libc/string/Makefile.inc | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/lib/libc/string/Makefile.inc b/lib/libc/string/Makefile.inc index 6945155812af..1df3d40e329f 100644 --- a/lib/libc/string/Makefile.inc +++ b/lib/libc/string/Makefile.inc @@ -29,6 +29,15 @@ MISRCS+=bcmp.c bcopy.c bzero.c explicit_bzero.c \ SYM_MAPS+= ${LIBC_SRCTOP}/string/Symbol.map +.if ${MK_ASAN} != "no" +# These source files deliberately read out of bounds since they assume that +# out-of-bounds memory accesses that don't cross pages are always legal. +# Note: While this is fine on x86, it does break when running with CHERI. +CFLAGS.strlen.c+= -fno-sanitize=address +CFLAGS.strchrnul.c+= -fno-sanitize=address +CFLAGS.memchr.c+= -fno-sanitize=address +.endif + # machine-dependent string sources .sinclude "${LIBC_SRCTOP}/${LIBC_ARCH}/string/Makefile.inc" |