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user32: Fix a potential buffer overflow. 

Signed-off-by: Huw Davies <huw@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
oldstable
Huw Davies 2017-04-21 15:07:31 +01:00 committed by Alexandre Julliard
parent e725d9e3c7
commit e0843d234e
1 changed files with 1 additions and 1 deletions
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2
dlls/user32/sysparams.c
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@ -548,7 +548,7 @@ static DWORD load_entry( struct sysparam_entry *entry, void *data, DWORD size )
if (RegQueryValueExW( base_key, entry->regval + 1, NULL, &type, data, &count )) count = 0;
}
/* make sure strings are null-terminated */
if (size && count == size && type == REG_SZ) ((WCHAR *)data)[count - 1] = 0;
if (size && count == size && type == REG_SZ) ((WCHAR *)data)[count / sizeof(WCHAR) - 1] = 0;
entry->loaded = TRUE;
return count;
}