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
27
28
29
30
31
32
33
34
35
36
37
38
39
40
|
// Test that use-after-return works with exceptions.
// RUN: %clangxx_asan -O0 %s -o %t
// RUN: %env_asan_opts=detect_stack_use_after_return=1 %run %t
#include <stdio.h>
volatile char *g;
#ifndef FRAME_SIZE
# define FRAME_SIZE 100
#endif
#ifndef NUM_ITER
# define NUM_ITER 4000
#endif
#ifndef DO_THROW
# define DO_THROW 1
#endif
void Func(int depth) {
char frame[FRAME_SIZE];
g = &frame[0];
if (depth)
Func(depth - 1);
else if (DO_THROW)
throw 1;
}
int main(int argc, char **argv) {
for (int i = 0; i < NUM_ITER; i++) {
try {
Func(argc * 100);
} catch(...) {
}
if ((i % (NUM_ITER / 10)) == 0)
fprintf(stderr, "done [%d]\n", i);
}
return 0;
}
|
