Jiuzhu Dong a91d143944 fs/unionfs: add sanity check for parameter
if relpath is NULL, it will cause system crash:
unionfs_opendir with relpath NULL
    ->	unionfs_tryopendir
	    ->	unionfs_offsetpath
		->  strncmp(prefix, relpath, pfxlen

Signed-off-by: Jiuzhu Dong <dongjiuzhu1@xiaomi.com>
2022-04-01 16:35:43 +08:00
..
2022-03-19 02:20:20 +08:00