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ntdll: Don't clear the last page of the initial stack. 

Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Alexandre Julliard 2017-09-19 12:03:09 +02:00
parent a003f0aed8
commit 9979c793e8
2 changed files with 3 additions and 3 deletions
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2
dlls/ntdll/loader.c
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@ -3152,7 +3152,7 @@ void WINAPI LdrInitializeThunk( void *kernel_start, ULONG_PTR unknown2,
if ((status = fixup_imports( wm, load_path )) != STATUS_SUCCESS) goto error; if ((status = fixup_imports( wm, load_path )) != STATUS_SUCCESS) goto error;
heap_set_debug_flags( GetProcessHeap() ); heap_set_debug_flags( GetProcessHeap() );
status = wine_call_on_stack( attach_process_dlls, wm, NtCurrentTeb()->Tib.StackBase ); status = wine_call_on_stack( attach_process_dlls, wm, (char *)NtCurrentTeb()->Tib.StackBase - page_size );
if (status != STATUS_SUCCESS) goto error; if (status != STATUS_SUCCESS) goto error;
virtual_release_address_space(); virtual_release_address_space();

4
dlls/ntdll/virtual.c
View File

@ -1745,8 +1745,8 @@ void virtual_clear_thread_stack(void)
void *stack = NtCurrentTeb()->Tib.StackLimit; void *stack = NtCurrentTeb()->Tib.StackLimit;
size_t size = (char *)NtCurrentTeb()->Tib.StackBase - (char *)NtCurrentTeb()->Tib.StackLimit; size_t size = (char *)NtCurrentTeb()->Tib.StackBase - (char *)NtCurrentTeb()->Tib.StackLimit;
wine_anon_mmap( stack, size, PROT_READ | PROT_WRITE, MAP_FIXED ); wine_anon_mmap( stack, size - page_size, PROT_READ | PROT_WRITE, MAP_FIXED );
if (force_exec_prot) mprotect( stack, size, PROT_READ | PROT_WRITE | PROT_EXEC ); if (force_exec_prot) mprotect( stack, size - page_size, PROT_READ | PROT_WRITE | PROT_EXEC );
} }