llvm-project/compiler-rt/test/msan/dso-origin.cc

26 lines
1021 B
C++

// Build a library with origin tracking and an executable w/o origin tracking.
// Test that origin tracking is enabled at runtime.
// RUN: %clangxx_msan -fsanitize-memory-track-origins -m64 -O0 %p/SharedLibs/dso-origin-so.cc \
// RUN: -fPIC -shared -o %t-so.so
// RUN: %clangxx_msan -m64 -O0 %s %t-so.so -o %t && not %t 2>&1 | FileCheck %s
#include <stdlib.h>
#include "SharedLibs/dso-origin.h"
int main(int argc, char **argv) {
int *x = (int *)my_alloc(sizeof(int));
my_access(x);
delete x;
// CHECK: WARNING: MemorySanitizer: use-of-uninitialized-value
// CHECK: {{#0 0x.* in my_access .*dso-origin-so.cc:}}
// CHECK: {{#1 0x.* in main .*dso-origin.cc:}}[[@LINE-5]]
// CHECK: Uninitialized value was created by a heap allocation
// CHECK: {{#0 0x.* in .*malloc}}
// CHECK: {{#1 0x.* in my_alloc .*dso-origin-so.cc:}}
// CHECK: {{#2 0x.* in main .*dso-origin.cc:}}[[@LINE-10]]
// CHECK: SUMMARY: MemorySanitizer: use-of-uninitialized-value {{.*dso-origin-so.cc:.* my_access}}
return 0;
}