arch/sim: suppress libasan checks

There is a false positive in asan of gcc-13, we need to mask it to ensure that other parts work properly sanitizer_common/sanitizer_common_interceptors.inc: // FIXME: under ASan the call below may write to freed memory and corrupt // its metadata. See // google/sanitizers#321. ==572161==ERROR: AddressSanitizer: dynamic-stack-buffer-overflow on address 0xed3d3f00 at pc 0xef46af64 bp 0xed3d3de8 sp 0xed3d39bc WRITE of size 128 at 0xed3d3f00 thread T0 #0 0xef46af63 in __interceptor_pthread_sigmask ../../../../../src/libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc:4419 #1 0x5486aa7d in up_irq_save sim/posix/sim_hostirq.c:97 Signed-off-by: yinshengkai <[email protected]>
anchao · Aug 23, 2024 · 53ddc3e · 53ddc3e
1 parent 0111cb7
commit 53ddc3e
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/arch/sim/src/sim/sim_head.c b/arch/sim/src/sim/sim_head.c
@@ -108,6 +108,11 @@ static void allsyms_relocate(void)
  ****************************************************************************/
 
 #ifdef CONFIG_SIM_ASAN
+const char *__asan_default_suppressions(void)
+{
+  return "interceptor_via_lib:libasan.so";
+}
+
 const char *__asan_default_options(void)
 {
   return "abort_on_error=1"