| // RUN: %clangxx_asan -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-%os --check-prefix=CHECK |
| // RUN: %clangxx_asan -O1 %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-%os --check-prefix=CHECK |
| // RUN: %clangxx_asan -O2 %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-%os --check-prefix=CHECK |
| // RUN: %clangxx_asan -O3 %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-%os --check-prefix=CHECK |
| // XFAIL: arm-linux-gnueabi |
| // XFAIL: armv7l-unknown-linux-gnueabihf |
| |
| #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.cc:}}[[@LINE-4]] |
| // CHECK: {{0x.* is located 5 bytes inside of 10-byte region .0x.*,0x.*}} |
| // CHECK: {{freed by thread T0 here:}} |
| |
| // CHECK-Linux: {{ #0 0x.* in .*free}} |
| // CHECK-Linux: {{ #1 0x.* in main .*use-after-free.cc:}}[[@LINE-10]] |
| |
| // CHECK-Darwin: {{ #0 0x.* in wrap_free}} |
| // CHECK-Darwin: {{ #1 0x.* in main .*use-after-free.cc:}}[[@LINE-13]] |
| |
| // CHECK: {{previously allocated by thread T0 here:}} |
| |
| // CHECK-Linux: {{ #0 0x.* in .*malloc}} |
| // CHECK-Linux: {{ #1 0x.* in main .*use-after-free.cc:}}[[@LINE-19]] |
| |
| // CHECK-Darwin: {{ #0 0x.* in wrap_malloc.*}} |
| // CHECK-Darwin: {{ #1 0x.* in main .*use-after-free.cc:}}[[@LINE-22]] |
| // CHECK: Shadow byte legend (one shadow byte represents 8 application bytes): |
| // CHECK: Global redzone: |
| // CHECK: ASan internal: |
| } |
