From this webpage screenshot, we can extract the following key information about the vulnerability: 1. Vulnerability Description: - Title: nilfs2: fix missing cleanup on rollforward recovery error - Description: During error injection testing for mount-time recovery, KASAN (Kernel Address Sanitizer) detected a use-after-free vulnerability. - Issue: During data recovery, if partial logs are used and an error occurs, causing the log writer to fail before creating a recovery checkpoint, the data of the recovered inode remains in the list without being freed. 2. Fix Measures: - Fix Method: Clean up inodes that failed midway during recovery, if the recovery process fails before the log writer starts. - Code Changes: Modifications were made in , with the specific code as follows: 3. Patch Information: - Patch Link: https://lkml.kernel.org/r/20240810065242.3701-1-konishi.ryusuke@gmail.com - Patch Description: Fix issues in nilfs2: recovery functions. - Patch Author: Ryusuke Konishi - Patch Testing: Tested by Ryusuke Konishi. - Patch Sign-offs: Signed off by Ryusuke Konishi and Andrew Morton. - Patch Review: Reviewed by Greg Kroah-Hartman. 4. Patch Status: - Patch Status: Merged into upstream. This information helps us understand the vulnerability's background, the fix approach, and detailed patch information.