1 // Build a library with origin tracking and an executable w/o origin tracking. 2 // Test that origin tracking is enabled at runtime. 3 // RUN: %clangxx_msan -fsanitize-memory-track-origins -m64 -O0 %p/SharedLibs/dso-origin-so.cc \ 4 // RUN: -fPIC -shared -o %t-so.so 5 // RUN: %clangxx_msan -m64 -O0 %s %t-so.so -o %t && not %t 2>&1 | FileCheck %s 6 7 #include <stdlib.h> 8 9 #include "SharedLibs/dso-origin.h" 10 11 int main(int argc, char **argv) { 12 int *x = (int *)my_alloc(sizeof(int)); 13 my_access(x); 14 delete x; 15 16 // CHECK: WARNING: MemorySanitizer: use-of-uninitialized-value 17 // CHECK: {{#0 0x.* in my_access .*dso-origin-so.cc:}} 18 // CHECK: {{#1 0x.* in main .*dso-origin.cc:}}[[@LINE-5]] 19 // CHECK: Uninitialized value was created by a heap allocation 20 // CHECK: {{#0 0x.* in .*malloc}} 21 // CHECK: {{#1 0x.* in my_alloc .*dso-origin-so.cc:}} 22 // CHECK: {{#2 0x.* in main .*dso-origin.cc:}}[[@LINE-10]] 23 // CHECK: SUMMARY: MemorySanitizer: use-of-uninitialized-value {{.*dso-origin-so.cc:.* my_access}} 24 return 0; 25 } 26
