Commit e7ee11f0 authored by Phillip Lougher's avatar Phillip Lougher

Squashfs: add missing check in zlib_wrapper

On file system corruption zlib can return Z_STREAM_OK with
input buffers remaining, which will not be released.
Signed-off-by: default avatarPhillip Lougher <phillip@lougher.demon.co.uk>
parent 170cf021
......@@ -127,6 +127,11 @@ static int zlib_uncompress(struct squashfs_sb_info *msblk, void **buffer,
goto release_mutex;
}
if (k < b) {
ERROR("zlib_uncompress error, data remaining\n");
goto release_mutex;
}
length = stream->total_out;
mutex_unlock(&msblk->read_data_mutex);
return length;
......
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