blob: de6b2ae1fcbb44f980ba4f8bd4d292ff5e9f6f5c (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
|
// RUN: %clang_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s
#include <stdlib.h>
void __attribute__((noinline)) foo(int *mem) {
free(mem);
}
void __attribute__((noinline)) bar(int *mem) {
mem[0] = 42;
}
int main() {
int *mem = (int*)malloc(100);
foo(mem);
bar(mem);
return 0;
}
// CHECK: WARNING: ThreadSanitizer: heap-use-after-free
// CHECK: Write of size 4 at {{.*}} by main thread:
// CHECK: #0 bar
// CHECK: #1 main
// CHECK: Previous write of size 8 at {{.*}} by main thread:
// CHECK: #0 free
// CHECK: #{{1|2}} foo
// CHECK: #{{2|3}} main
|
