build/win32/crashinjectdll/crashinjectdll.cpp

branch
TOR_BUG_9701
changeset 15
b8a032363ba2
equal deleted inserted replaced
-1:000000000000 0:dec9dc59395e
1 /* This Source Code Form is subject to the terms of the Mozilla Public
2 * License, v. 2.0. If a copy of the MPL was not distributed with this
3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
4
5 #include <stdio.h>
6 #include <windows.h>
7
8 // make sure we only ever spawn one thread
9 DWORD tid = -1;
10
11 DWORD WINAPI CrashingThread(
12 LPVOID lpParameter
13 )
14 {
15 // not a very friendly DLL
16 volatile int* x = (int *)0x0;
17 *x = 1;
18 return 0;
19 }
20
21 BOOL WINAPI DllMain(
22 HANDLE hinstDLL,
23 DWORD dwReason,
24 LPVOID lpvReserved
25 )
26 {
27 if (tid == -1)
28 // we have to crash on another thread because LoadLibrary() will
29 // catch memory access errors and return failure to the calling process
30 CreateThread(
31 nullptr, // default security attributes
32 0, // use default stack size
33 CrashingThread, // thread function name
34 nullptr, // argument to thread function
35 0, // use default creation flags
36 &tid); // returns the thread identifier
37 return TRUE;
38 }

mercurial