1 // RUN: %clangxx_asan -O0 %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-%os --check-prefix=CHECK
2 // RUN: %clangxx_asan -O1 %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-%os --check-prefix=CHECK
3 // RUN: %clangxx_asan -O2 %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-%os --check-prefix=CHECK
4 // RUN: %clangxx_asan -O3 %s -o %t && not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-%os --check-prefix=CHECK
5 // REQUIRES: stable-runtime
6
7 #include <stdlib.h>
main()8 int main() {
9 char *x = (char*)malloc(10 * sizeof(char));
10 free(x);
11 return x[5];
12 // CHECK: {{.*ERROR: AddressSanitizer: heap-use-after-free on address}}
13 // CHECK: {{0x.* at pc 0x.* bp 0x.* sp 0x.*}}
14 // CHECK: {{READ of size 1 at 0x.* thread T0}}
15 // CHECK: {{ #0 0x.* in main .*use-after-free.cpp:}}[[@LINE-4]]
16 // CHECK: {{0x.* is located 5 bytes inside of 10-byte region .0x.*,0x.*}}
17 // CHECK: {{freed by thread T0 here:}}
18
19 // CHECK-Linux: {{ #0 0x.* in .*free}}
20 // CHECK-Linux: {{ #1 0x.* in main .*use-after-free.cpp:}}[[@LINE-10]]
21
22 // CHECK-Darwin: {{ #0 0x.* in wrap_free}}
23 // CHECK-Darwin: {{ #1 0x.* in main .*use-after-free.cpp:}}[[@LINE-13]]
24
25 // CHECK: {{previously allocated by thread T0 here:}}
26
27 // CHECK-Linux: {{ #0 0x.* in .*malloc}}
28 // CHECK-Linux: {{ #1 0x.* in main .*use-after-free.cpp:}}[[@LINE-19]]
29
30 // CHECK-Darwin: {{ #0 0x.* in wrap_malloc.*}}
31 // CHECK-Darwin: {{ #1 0x.* in main .*use-after-free.cpp:}}[[@LINE-22]]
32 // CHECK: Shadow byte legend (one shadow byte represents {{[0-9]+}} application bytes):
33 // CHECK: Global redzone:
34 // CHECK: ASan internal:
35 }
36