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The ASan runtime wasn't designed to be unloaded, so pin it in memory. Differential Revision: https://phabricator.services.mozilla.com/D6943 --HG-- extra : rebase_source : 843fc91b3150f3b264e321ab89bf723a01fc8b3c
28 lines
1.1 KiB
Diff
28 lines
1.1 KiB
Diff
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r343123 | dmajor | 2018-09-26 12:28:39 -0400 (Wed, 26 Sep 2018) | 5 lines
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[winasan] Pin the ASan DLL to prevent unloading
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Differential Revision: https://reviews.llvm.org/D52505
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===================================================================
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--- a/compiler-rt/lib/asan/asan_win.cc (revision 343122)
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+++ b/compiler-rt/lib/asan/asan_win.cc (revision 343123)
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@@ -167,6 +167,14 @@
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namespace __asan {
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void InitializePlatformInterceptors() {
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+ // The interceptors were not designed to be removable, so we have to keep this
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+ // module alive for the life of the process.
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+ HMODULE pinned;
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+ CHECK(GetModuleHandleExW(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS |
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+ GET_MODULE_HANDLE_EX_FLAG_PIN,
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+ (LPCWSTR)&InitializePlatformInterceptors,
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+ &pinned));
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+
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ASAN_INTERCEPT_FUNC(CreateThread);
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ASAN_INTERCEPT_FUNC(SetUnhandledExceptionFilter);
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CHECK(::__interception::OverrideFunction("NtTerminateThread",
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------------------------------------------------------------------------
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