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Revert r343606/r342652 "[winasan] Unpoison the stack in NtTerminateThread"" 

This still seems to be causing pnacl + asan to crash.

llvm-svn: 343876
This commit is contained in:
Reid Kleckner 2018-10-05 18:48:53 +00:00
parent 93552b39c9
commit 11782759e3
2 changed files with 1 additions and 12 deletions
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12
compiler-rt/lib/asan/asan_win.cc
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@ -154,14 +154,6 @@ INTERCEPTOR_WINAPI(DWORD, CreateThread,
asan_thread_start, t, thr_flags, tid);
}
INTERCEPTOR_WINAPI(LONG, NtTerminateThread, HANDLE handle, LONG status) {
// Unpoison the terminating thread's stack because the memory may be re-used.
NT_TIB *tib = (NT_TIB *)NtCurrentTeb();
uptr stackSize = (uptr)tib->StackBase - (uptr)tib->StackLimit;
__asan_unpoison_memory_region(tib->StackLimit, stackSize);
return REAL(NtTerminateThread(handle, status));
}
// }}}
namespace __asan {
@ -177,9 +169,7 @@ void InitializePlatformInterceptors() {
ASAN_INTERCEPT_FUNC(CreateThread);
ASAN_INTERCEPT_FUNC(SetUnhandledExceptionFilter);
CHECK(::__interception::OverrideFunction("NtTerminateThread",
(uptr)WRAP(NtTerminateThread),
(uptr *)&REAL(NtTerminateThread)));
#ifdef _WIN64
ASAN_INTERCEPT_FUNC(__C_specific_handler);
#else

1
compiler-rt/test/asan/TestCases/Windows/dll_host.cc
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@ -29,7 +29,6 @@
// IMPORT: __asan_wrap_HeapReAlloc
// IMPORT: __asan_wrap_HeapSize
// IMPORT: __asan_wrap_CreateThread
// IMPORT: __asan_wrap_NtTerminateThread
// IMPORT: __asan_wrap_RaiseException
// IMPORT: __asan_wrap_RtlRaiseException
// IMPORT: __asan_wrap_SetUnhandledExceptionFilter