blob: f9f64096fd1f8bd3d2cd91dc1f6b205a0b41022d (
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
27
28
29
30
31
32
33
34
35
36
37
|
// Test that a stack overflow fails as expected
// RUN: %clang_noscs %s -o %t -DITERATIONS=3
// RUN: %run %t | FileCheck %s
// RUN: %clang_noscs %s -o %t -DITERATIONS=12
// RUN: %run %t | FileCheck -check-prefix=OVERFLOW_SUCCESS %s
// RUN: %clang_scs %s -o %t -DITERATIONS=3
// RUN: %run %t | FileCheck %s
// On aarch64 we just load the return address from the shadow call stack so we
// do not expect to see the output from print_and_exit.
// RUN: %clang_scs %s -o %t -DITERATIONS=12
// RUN: %run %t | FileCheck %S/overflow.c
#include <stdio.h>
#include <stdlib.h>
#include "minimal_runtime.h"
void print_and_exit(void) {
// CHECK-NOT: Stack overflow successful.
// OVERFLOW_SUCCESS: Stack overflow successful.
scs_fputs_stdout("Stack overflow successful.\n");
exit(0);
}
int scs_main(void)
{
void *addrs[4];
for (int i = 0; i < ITERATIONS; i++)
addrs[i] = &print_and_exit;
scs_fputs_stdout("Returning.\n");
return 0;
}
|
