Re: [PATCH v2] f2fs: reject invalid recovered filename lengths

From: Chao Yu

Date: Mon Aug 03 2026 - 20:04:57 EST


On 8/3/26 19:41, Wenjie Qi wrote:
Recovery uses raw_inode->i_namelen directly when rebuilding fsynced
dentries. A zero-length name uses no dentry slots, so recovery can
report success without recreating the dentry.

Treat zero-length and oversized recovered names as corruption, mark
NEED_FSCK, and stop recovery with -EFSCORRUPTED.

Signed-off-by: Wenjie Qi <qiwenjie@xxxxxxxxxx>

Reviewed-by: Chao Yu <chao@xxxxxxxxxx>

Thanks,