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| author | Dimitry Andric <dim@FreeBSD.org> | 2024-04-07 17:56:03 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2024-04-07 17:58:52 +0000 |
| commit | b811dac2115a6ada606c03d7d823a95d11c5f3c9 (patch) | |
| tree | bc8ea65feb7a46c6a162a67e5c2639055bf51982 /sys/conf/kern.pre.mk | |
| parent | 1526667bc6e2c1042010de25e7a0226c0f1b44be (diff) | |
| download | src-b811dac2115a6ada606c03d7d823a95d11c5f3c9.tar.gz src-b811dac2115a6ada606c03d7d823a95d11c5f3c9.zip | |
Fix GENERIC-KASAN kernel build for amd64
Work around https://github.com/llvm/llvm-project/issues/87923, which
leads to an assertion failure compiling several kernel source files with
asan enabled.
PR: 276104
MFC after: 1 month
Diffstat (limited to 'sys/conf/kern.pre.mk')
| -rw-r--r-- | sys/conf/kern.pre.mk | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/sys/conf/kern.pre.mk b/sys/conf/kern.pre.mk index 6bf647f5c3ea..567c68e5887e 100644 --- a/sys/conf/kern.pre.mk +++ b/sys/conf/kern.pre.mk @@ -111,6 +111,11 @@ SAN_CFLAGS+= -DSAN_NEEDS_INTERCEPTORS -DSAN_INTERCEPTOR_PREFIX=kasan \ # upstreamed similar to: https://reviews.llvm.org/D98285 # SAN_CFLAGS+= -mllvm -asan-mapping-offset=0xdfff208000000000 +.elif ${MACHINE_CPUARCH} == "amd64" && \ + ${COMPILER_TYPE} == "clang" && ${COMPILER_VERSION} >= 180000 +# Work around https://github.com/llvm/llvm-project/issues/87923, which leads to +# an assertion failure compiling dtrace.c with asan enabled. +SAN_CFLAGS+= -mllvm -asan-use-stack-safety=0 .endif .endif |