| // 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 |
| // REQUIRES: stable-runtime |
| |
| #include <stdlib.h> |
| int main() { |
| char *x = (char*)malloc(10 * sizeof(char)); |
| free(x); |
| return x[5]; |
| // CHECK: {{.*ERROR: AddressSanitizer: heap-use-after-free on address}} |
| // CHECK: {{0x.* at pc 0x.* bp 0x.* sp 0x.*}} |
| // CHECK: {{READ of size 1 at 0x.* thread T0}} |
| // CHECK: {{ #0 0x.* in main .*use-after-free.cpp:}}[[@LINE-4]] |
| // CHECK: {{0x.* is located 5 bytes inside of 10-byte region .0x.*,0x.*}} |
| // CHECK: {{freed by thread T0 here:}} |
| // CHECK: {{ #0 0x.* in .*free}} |
| // CHECK: {{ #1 0x.* in main .*use-after-free.cpp:}}[[@LINE-9]] |
| |
| // CHECK: {{previously allocated by thread T0 here:}} |
| // CHECK: {{ #0 0x.* in .*malloc}} |
| // CHECK: {{ #1 0x.* in main .*use-after-free.cpp:}}[[@LINE-14]] |
| // CHECK: Shadow byte legend (one shadow byte represents {{[0-9]+}} application bytes): |
| // CHECK: Global redzone: |
| // CHECK: ASan internal: |
| } |