| 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 | // REQUIRES: stable-runtime |
|---|
| 6 | |
|---|
| 7 | // Test use-after-free report in the case when access is at the right border of |
|---|
| 8 | // the allocation. |
|---|
| 9 | |
|---|
| 10 | #include <stdlib.h> |
|---|
| 11 | int main() { |
|---|
| 12 | volatile char *x = (char*)malloc(size: sizeof(char)); |
|---|
| 13 | free(ptr: (void*)x); |
|---|
| 14 | *x = 42; |
|---|
| 15 | // CHECK: {{.*ERROR: AddressSanitizer: heap-use-after-free on address}} |
|---|
| 16 | // CHECK: {{0x.* at pc 0x.* bp 0x.* sp 0x.*}} |
|---|
| 17 | // CHECK: {{WRITE of size 1 at 0x.* thread T0}} |
|---|
| 18 | // CHECK: {{ #0 0x.* in main .*use-after-free-right.cpp:}}[[@LINE-4]] |
|---|
| 19 | // CHECK: {{0x.* is located 0 bytes inside of 1-byte region .0x.*,0x.*}} |
|---|
| 20 | // CHECK: {{freed by thread T0 here:}} |
|---|
| 21 | // CHECK: {{ #0 0x.* in .*free}} |
|---|
| 22 | // CHECK: {{ #1 0x.* in main .*use-after-free-right.cpp:}}[[@LINE-9]] |
|---|
| 23 | |
|---|
| 24 | // CHECK: {{previously allocated by thread T0 here:}} |
|---|
| 25 | // CHECK: {{ #0 0x.* in .*malloc}} |
|---|
| 26 | // CHECK: {{ #1 0x.* in main .*use-after-free-right.cpp:}}[[@LINE-14]] |
|---|
| 27 | } |
|---|
| 28 | |
|---|
