llvm-project/compiler-rt/test/asan/TestCases/heap-overflow.cc

21 lines
823 B
C++

// RUN: %clangxx_asan -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s
// RUN: %clangxx_asan -O1 %s -o %t && not %run %t 2>&1 | FileCheck %s
// RUN: %clangxx_asan -O2 %s -o %t && not %run %t 2>&1 | FileCheck %s
// RUN: %clangxx_asan -O3 %s -o %t && not %run %t 2>&1 | FileCheck %s
// RUN: ASAN_OPTIONS=print_stats=1 not %run %t 2>&1 | FileCheck %s
#include <stdlib.h>
#include <string.h>
int main(int argc, char **argv) {
char *x = (char*)malloc(10 * sizeof(char));
memset(x, 0, 10);
int res = x[argc * 10]; // BOOOM
// CHECK: {{READ of size 1 at 0x.* thread T0}}
// CHECK: {{ #0 0x.* in main .*heap-overflow.cc:}}[[@LINE-2]]
// CHECK: {{0x.* is located 0 bytes to the right of 10-byte region}}
// CHECK: {{allocated by thread T0 here:}}
// CHECK: {{ #0 0x.* in .*malloc}}
free(x);
return res;
}