compiler-rt/test/asan/TestCases/Darwin/atos-symbolizer-dyld-root-path.cpp

   1 // Check that when having a DYLD_ROOT_PATH set, the symbolizer still works.
   2 // RUN: %clangxx_asan -O0 %s -o %t
   3 // RUN: %env_asan_opts=verbosity=2 DYLD_ROOT_PATH="/" ASAN_SYMBOLIZER_PATH=$(which atos) \
   4 // RUN:   not %run %t 2>&1 | FileCheck %s
   5 //
   6 // Due to a bug in atos, this only works on x86_64.
   7 // REQUIRES: asan-64-bits
   8
   9 // Path returned by `which atos` is invalid on iOS.
  10 // UNSUPPORTED: ios
  11
  12 #include <stdlib.h>
  13 #include <string.h>
  14 int main(int argc, char **argv) {
  15   char *x = (char*)malloc(10 * sizeof(char));
  16   memset(x, 0, 10);
  17   int res = x[argc];
  18   free(x);
  19   free(x + argc - 1);  // BOOM
  20   // CHECK: Using atos at user-specified path:
  21   // CHECK: AddressSanitizer: attempting double-free{{.*}}in thread T0
  22   // CHECK: #0 0x{{.*}} in {{.*}}free
  23   // CHECK: #1 0x{{.*}} in main {{.*}}atos-symbolizer-dyld-root-path.cpp:[[@LINE-4]]
  24   // CHECK: freed by thread T0 here:
  25   // CHECK: #0 0x{{.*}} in {{.*}}free
  26   // CHECK: #1 0x{{.*}} in main {{.*}}atos-symbolizer-dyld-root-path.cpp:[[@LINE-8]]
  27   // CHECK: allocated by thread T0 here:
  28   // CHECK: atos-symbolizer-dyld-root-path.cpp:[[@LINE-13]]
  29   return res;
  30 }