test/asan/TestCases/stack-buffer-overflow.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 int main(int argc, char **argv) {
   8   char x[10];
   9   memset(x, 0, 10);
  10   int res = x[argc * 10];  // BOOOM
  11   // CHECK: {{READ of size 1 at 0x.* thread T0}}
  12   // CHECK: {{    #0 0x.* in main .*stack-buffer-overflow.cc:}}[[@LINE-2]]
  13   // CHECK: {{Address 0x.* is located in stack of thread T0 at offset}}
  14   // CHECK-NEXT: in{{.*}}main{{.*}}stack-buffer-overflow.cc
  15   return res;
  16 }