Threats tagged 'ghsa-vc85-4r75-3q3q'

A deadlock vulnerability in the Linux kernel's XFS filesystem was fixed by changing how buffer locks are handled during synchronous transaction commits in xfs_sync_sb_buf. Previously, buffer locks were held across the commit, which could cause deadlocks during shutdown when the CIL push workqueue was flushed. The fix removes calls that held these locks during commit and reacquires buffers afterward for on-disk writeback.