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Commit 6b2c9505 authored by Piotr Caban's avatar Piotr Caban Committed by Alexandre Julliard
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ntdll: Restore stack guard and prevent stack from shrinking.

parent 6990ecaa
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Showing with 6 additions and 2 deletions
dlls/ntdll/virtual.c
View file @ 6b2c9505
...@@ -1618,8 +1618,12 @@ BOOL virtual_handle_stack_fault( void *addr ) ...@@ -1618,8 +1618,12 @@ BOOL virtual_handle_stack_fault( void *addr )
if (vprot & VPROT_GUARD) if (vprot & VPROT_GUARD)
{ {
VIRTUAL_SetProt( view, page, page_size, vprot & ~VPROT_GUARD ); VIRTUAL_SetProt( view, page, page_size, vprot & ~VPROT_GUARD );
if ((char *)page + page_size == NtCurrentTeb()->Tib.StackLimit) NtCurrentTeb()->Tib.StackLimit = page;
NtCurrentTeb()->Tib.StackLimit = page; if ((char *)page >= (char *)NtCurrentTeb()->DeallocationStack + 2*page_size)
{
vprot = view->prot[((char *)page - page_size - (char *)view->base) >> page_shift];
VIRTUAL_SetProt( view, (char *)page - page_size, page_size, vprot | VPROT_GUARD );
}
ret = TRUE; ret = TRUE;
} }
} }
......
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