| // 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 |
| |
| // Test use-after-free report in the case when access is at the right border of |
| // the allocation. |
| |
| #include <stdlib.h> |
| int main() { |
| volatile char *x = (char*)malloc(sizeof(char)); |
| free((void*)x); |
| *x = 42; |
| // CHECK: {{.*ERROR: AddressSanitizer: heap-use-after-free on address}} |
| // CHECK: {{0x.* at pc 0x.* bp 0x.* sp 0x.*}} |
| // CHECK: {{WRITE of size 1 at 0x.* thread T0}} |
| // CHECK: {{ #0 0x.* in main .*use-after-free-right.cpp:}}[[@LINE-4]] |
| // CHECK: {{0x.* is located 0 bytes inside of 1-byte region .0x.*,0x.*}} |
| // CHECK: {{freed by thread T0 here:}} |
| // CHECK: {{ #0 0x.* in .*free}} |
| // CHECK: {{ #1 0x.* in main .*use-after-free-right.cpp:}}[[@LINE-9]] |
| |
| // CHECK: {{previously allocated by thread T0 here:}} |
| // CHECK: {{ #0 0x.* in .*malloc}} |
| // CHECK: {{ #1 0x.* in main .*use-after-free-right.cpp:}}[[@LINE-14]] |
| } |
