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
|
// RUN: %clang_scudo %s -o %t
// RUN: %run %t 2>&1
// Verifies that calling malloc in a preinit_array function succeeds, and that
// the resulting pointer can be freed at program termination.
// On some Android versions, calling mmap() from a preinit function segfaults.
// It looks like __mmap2.S ends up calling a NULL function pointer.
// UNSUPPORTED: android
#include <assert.h>
#include <stdlib.h>
#include <string.h>
static void *global_p = NULL;
void __init(void) {
global_p = malloc(1);
if (!global_p)
exit(1);
}
void __fini(void) {
if (global_p)
free(global_p);
}
int main(int argc, char **argv)
{
void *p = malloc(1);
assert(p);
free(p);
return 0;
}
__attribute__((section(".preinit_array"), used))
void (*__local_preinit)(void) = __init;
__attribute__((section(".fini_array"), used))
void (*__local_fini)(void) = __fini;
|
