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
|
// When we link a binary without the -debug flag, ASan should print out VAs
// instead of RVAs. The frames for main and do_uaf should be above 0x400000,
// which is the default image base of an executable.
// RUN: rm -f %t.pdb
// RUN: %clangxx_asan -c -O2 %s -o %t.obj
// RUN: link /nologo /OUT:%t.exe %t.obj %asan_lib %asan_cxx_lib
// RUN: not %run %t.exe 2>&1 | FileCheck %s
#include <stdlib.h>
#include <stdio.h>
int __attribute__((noinline)) do_uaf(void);
int main() {
int r = do_uaf();
printf("r: %d\n", r);
return r;
}
int do_uaf(void) {
char *x = (char*)malloc(10 * sizeof(char));
free(x);
return x[5];
// CHECK: AddressSanitizer: heap-use-after-free
// CHECK: #0 {{0x[a-f0-9]+ \(.*[\\/]unsymbolized.cc.*.exe\+(0x40|0x14000)[a-f0-9]{4}\)}}
// CHECK: #1 {{0x[a-f0-9]+ \(.*[\\/]unsymbolized.cc.*.exe\+(0x40|0x14000)[a-f0-9]{4}\)}}
}
|
