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ntdll: reset_write_watches shouldn't remove enforced exec permissions.

This commit is contained in:
Sebastian Lackner 2014-10-08 21:28:25 +02:00 committed by Alexandre Julliard
parent aa3c6111d9
commit e16996bb3d
2 changed files with 3 additions and 7 deletions
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6
dlls/kernel32/tests/virtual.c
View File

@ -2112,11 +2112,7 @@ static void test_atl_thunk_emulation( ULONG dep_flags )
ret = send_message_excpt( hWnd, WM_USER, 0, 0 );
ok( ret == 42, "call returned wrong result, expected 42, got %d\n", ret );
ok( num_guard_page_calls == 0, "expected no STATUS_GUARD_PAGE_VIOLATION exception, got %d exceptions\n", num_guard_page_calls );
if (dep_flags & MEM_EXECUTE_OPTION_DISABLE)
ok( num_execute_fault_calls == 0, "expected no STATUS_ACCESS_VIOLATION exception, got %d exceptions\n", num_execute_fault_calls );
else
todo_wine
ok( num_execute_fault_calls == 0, "expected no STATUS_ACCESS_VIOLATION exception, got %d exceptions\n", num_execute_fault_calls );
ok( num_execute_fault_calls == 0, "expected no STATUS_ACCESS_VIOLATION exception, got %d exceptions\n", num_execute_fault_calls );
/* Now a bit more complicated, the page containing the code is protected with
* PAGE_GUARD memory protection. */

4
dlls/ntdll/virtual.c
View File

@ -693,12 +693,12 @@ static void reset_write_watches( struct file_view *view, void *base, SIZE_T size
p[i] |= VPROT_WRITEWATCH;
prot = VIRTUAL_GetUnixProt( p[i] );
if (prot == unix_prot) continue;
mprotect( addr, count << page_shift, unix_prot );
mprotect_exec( addr, count << page_shift, unix_prot, view->protect );
addr += count << page_shift;
unix_prot = prot;
count = 0;
}
if (count) mprotect( addr, count << page_shift, unix_prot );
if (count) mprotect_exec( addr, count << page_shift, unix_prot, view->protect );
}