blob: d4450d35b741ad7cd1b5d9872158fa8148c4314c (
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
38
39
40
41
42
43
44
45
46
47
48
|
// This test case checks for an old bug when using plug-ins that caused
// the stack numbering to be incorrect.
// RUN: %clangxx_asan -O0 -g %s -o %t
// RUN: %env_asan_opts=symbolize=0 not %run %t DUMMY_ARG > %t.asan_report 2>&1
// RUN: %asan_symbolize --log-level debug --log-dest %t_debug_log_output.txt -l %t.asan_report --plugins %S/plugin_wrong_frame_number_bug.py > %t.asan_report_sym
// RUN: FileCheck --input-file=%t.asan_report_sym %s
#include <stdlib.h>
int* p;
extern "C" {
void bug() {
free(p);
}
void foo(bool call_bug) {
if (call_bug)
bug();
}
// This indirection exists so that the call stack
// is reliably large enough.
void do_access_impl() {
*p = 42;
}
void do_access() {
do_access_impl();
}
int main(int argc, char** argv) {
p = (int*) malloc(sizeof(p));
foo(argc > 1);
do_access();
free(p);
return 0;
}
}
// Check that the numbering of the stackframes is correct.
// CHECK: AddressSanitizer: heap-use-after-free
// CHECK-NEXT: WRITE of size
// CHECK-NEXT: #0 0x{{[0-9a-fA-F]+}}
// CHECK-NEXT: #1 0x{{[0-9a-fA-F]+}} in do_access
// CHECK-NEXT: #2 0x{{[0-9a-fA-F]+}} in main
|
