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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /build/win32/crashinjectdll/crashinjectdll.cpp | |
parent | Initial commit. (diff) | |
download | thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.zip |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | build/win32/crashinjectdll/crashinjectdll.cpp | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/build/win32/crashinjectdll/crashinjectdll.cpp b/build/win32/crashinjectdll/crashinjectdll.cpp new file mode 100644 index 0000000000..7ee7e6812d --- /dev/null +++ b/build/win32/crashinjectdll/crashinjectdll.cpp @@ -0,0 +1,29 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include <stdio.h> +#include <windows.h> + +// make sure we only ever spawn one thread +DWORD tid = -1; + +DWORD WINAPI CrashingThread(LPVOID lpParameter) { + // not a very friendly DLL + volatile int* x = (int*)0x0; + *x = 1; + return 0; +} + +BOOL WINAPI DllMain(HANDLE hinstDLL, DWORD dwReason, LPVOID lpvReserved) { + if (tid == (DWORD)-1) + // we have to crash on another thread because LoadLibrary() will + // catch memory access errors and return failure to the calling process + CreateThread(nullptr, // default security attributes + 0, // use default stack size + CrashingThread, // thread function name + nullptr, // argument to thread function + 0, // use default creation flags + &tid); // returns the thread identifier + return TRUE; +} |