ntdll: Make sure buffer allocated in get_cached_dir_data is big enough for returned entry.

Signed-off-by: Sebastian Lackner <sebastian@fds-team.de> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

ntdll: Make sure buffer allocated in get_cached_dir_data is big enough for returned entry.
f4f33686 · Sebastian Lackner · Alexandre Julliard · 78d9a850 · f4f33686
Commit f4f33686 authored May 03, 2016 by Sebastian Lackner Committed by Alexandre Julliard May 03, 2016
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directory.c dlls/ntdll/directory.c +1 -1

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--- a/dlls/ntdll/directory.c
+++ b/dlls/ntdll/directory.c
@@ -2302,7 +2302,7 @@ static NTSTATUS get_cached_dir_data( HANDLE handle, struct dir_data **data_ret, 

    if (entry >= dir_data_cache_size)
    {
-        unsigned int size = max( dir_data_cache_initial_size, dir_data_cache_size * 2 );
+        unsigned int size = max( dir_data_cache_initial_size, max( dir_data_cache_size * 2, entry + 1 ) );
        struct dir_data **new_cache;

        if (dir_data_cache)