| // 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 && %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; |
| } |