1 | // RUN: %clangxx_msan -O0 %s -o %t && not %run %t >%t.out 2>&1 |
2 | // RUN: FileCheck %s < %t.out |
3 | // RUN: %clangxx_msan -O1 %s -o %t && not %run %t >%t.out 2>&1 |
4 | // RUN: FileCheck %s < %t.out |
5 | // RUN: %clangxx_msan -O2 %s -o %t && not %run %t >%t.out 2>&1 |
6 | // RUN: FileCheck %s < %t.out |
7 | // RUN: %clangxx_msan -O3 %s -o %t && not %run %t >%t.out 2>&1 |
8 | // RUN: FileCheck %s < %t.out |
9 | |
10 | // RUN: %clangxx_msan -fsanitize-memory-track-origins -O0 %s -o %t && not %run %t >%t.out 2>&1 |
11 | // RUN: FileCheck %s < %t.out && FileCheck %s --check-prefix=CHECK-ORIGINS < %t.out |
12 | // RUN: %clangxx_msan -fsanitize-memory-track-origins -O1 %s -o %t && not %run %t >%t.out 2>&1 |
13 | // RUN: FileCheck %s < %t.out && FileCheck %s --check-prefix=CHECK-ORIGINS < %t.out |
14 | // RUN: %clangxx_msan -fsanitize-memory-track-origins -O2 %s -o %t && not %run %t >%t.out 2>&1 |
15 | // RUN: FileCheck %s < %t.out && FileCheck %s --check-prefix=CHECK-ORIGINS < %t.out |
16 | // RUN: %clangxx_msan -fsanitize-memory-track-origins -O3 %s -o %t && not %run %t >%t.out 2>&1 |
17 | // RUN: FileCheck %s < %t.out && FileCheck %s --check-prefix=CHECK-ORIGINS < %t.out |
18 | |
19 | #include <stdlib.h> |
20 | int main(int argc, char **argv) { |
21 | int *volatile p = (int *)malloc(size: sizeof(int)); |
22 | *p = 42; |
23 | free(ptr: p); |
24 | |
25 | if (*p) |
26 | exit(status: 0); |
27 | // CHECK: WARNING: MemorySanitizer: use-of-uninitialized-value |
28 | // CHECK: {{#0 0x.* in main .*use-after-free.cpp:}}[[@LINE-3]] |
29 | |
30 | // CHECK-ORIGINS: Uninitialized value was created by a heap deallocation |
31 | // CHECK-ORIGINS: {{#0 0x.* in .*free}} |
32 | // CHECK-ORIGINS: {{#1 0x.* in main .*use-after-free.cpp:}}[[@LINE-9]] |
33 | return 0; |
34 | } |
35 | |