1 | // RUN: %clangxx_msan -O0 %s -o %t && not %run %t >%t.out 2>&1 |
2 | // FileCheck %s <%t.out |
3 | // RUN: %clangxx_msan -O0 %s -o %t && MSAN_OPTIONS=poison_in_free=0 %run %t >%t.out 2>&1 |
4 | |
5 | #include <stdio.h> |
6 | #include <stdlib.h> |
7 | #include <string.h> |
8 | |
9 | int main(int argc, char **argv) { |
10 | char *volatile x = (char*)malloc(size: 50 * sizeof(char)); |
11 | memset(s: x, c: 0, n: 50); |
12 | free(ptr: x); |
13 | return x[25]; |
14 | // CHECK: MemorySanitizer: use-of-uninitialized-value |
15 | // CHECK: #0 {{.*}} in main{{.*}}poison_in_free.cpp:[[@LINE-2]] |
16 | } |
17 | |