src/compiler-rt/test/asan/TestCases/strdup_oob_test.cc

   1 // RUN: %clangxx_asan -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s
   2 // RUN: %clangxx_asan -O1 %s -o %t && not %run %t 2>&1 | FileCheck %s
   3 // RUN: %clangxx_asan -O2 %s -o %t && not %run %t 2>&1 | FileCheck %s
   4 // RUN: %clangxx_asan -O3 %s -o %t && not %run %t 2>&1 | FileCheck %s
   5
   6 #include <string.h>
   7
   8 char kString[] = "foo";
   9
  10 int main(int argc, char **argv) {
  11   char *copy = strdup(kString);
  12   int x = copy[4 + argc];  // BOOM
  13   // CHECK: AddressSanitizer: heap-buffer-overflow
  14   // CHECK: #0 {{.*}}main {{.*}}strdup_oob_test.cc:[[@LINE-2]]
  15   // CHECK-LABEL: allocated by thread T{{.*}} here:
  16   // CHECK: #{{[01]}} {{.*}}strdup
  17   // CHECK-LABEL: SUMMARY
  18   // CHECK: strdup_oob_test.cc:[[@LINE-6]]
  19   return x;
  20 }