[compiler-rt] ee25276 - [sanitizer-common] Run module msan init before early sigaction test

[Daniel Thornburgh via llvm-commits]

Author: Daniel Thornburgh
Date: 2023-07-19T10:59:05-07:00
New Revision: ee252767663c2b22d7806d20a402728286b8e702

URL: https://github.com/llvm/llvm-project/commit/ee252767663c2b22d7806d20a402728286b8e702
DIFF: https://github.com/llvm/llvm-project/commit/ee252767663c2b22d7806d20a402728286b8e702.diff

LOG: [sanitizer-common] Run module msan init before early sigaction test

MSAN wrappers can be inserted for e.g. the access to stderr in the
constructor of the test, which can segfault if the constructor function
runs before these data structures have been initialized.

Reviewed By: dvyukov

Differential Revision: https://reviews.llvm.org/D155648

Added: 
    

Modified: 
    compiler-rt/test/ubsan/TestCases/Misc/Linux/sigaction.cpp

Removed: 
    


################################################################################
diff  --git a/compiler-rt/test/ubsan/TestCases/Misc/Linux/sigaction.cpp b/compiler-rt/test/ubsan/TestCases/Misc/Linux/sigaction.cpp
index db17b5df7ac669..0ab65bd30d92cc 100644
--- a/compiler-rt/test/ubsan/TestCases/Misc/Linux/sigaction.cpp
+++ b/compiler-rt/test/ubsan/TestCases/Misc/Linux/sigaction.cpp
@@ -11,7 +11,7 @@
 #include <signal.h>
 #include <stdio.h>
 
-__attribute__((constructor(0))) void ctor() {
+__attribute__((constructor(1))) void ctor() {
   fprintf(stderr, "INIT\n");
   struct sigaction old;
   assert(!sigaction(SIGSEGV, nullptr, &old));