linux-kernel - [syzbot] Monthly xfs report (Dec 2025)

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Message-ID: <6953a111.050a0220.329c0f.0572.GAE@google.com>
Date: Tue, 30 Dec 2025 01:53:21 -0800
From: syzbot <syzbot+list2d4681db995f99c38fcb@...kaller.appspotmail.com>
To: cem@...nel.org, linux-kernel@...r.kernel.org, linux-xfs@...r.kernel.org, 
	syzkaller-bugs@...glegroups.com
Subject: [syzbot] Monthly xfs report (Dec 2025)

Hello xfs maintainers/developers,

This is a 31-day syzbot report for the xfs subsystem.
All related reports/information can be found at:
https://syzkaller.appspot.com/upstream/s/xfs

During the period, 3 new issues were detected and 0 were fixed.
In total, 20 issues are still open and 27 have already been fixed.

Some of the still happening issues:

Ref Crashes Repro Title
<1> 2913    Yes   INFO: task hung in sync_inodes_sb (5)
                  https://syzkaller.appspot.com/bug?extid=30476ec1b6dc84471133
<2> 1936    Yes   possible deadlock in xfs_buffered_write_iomap_begin
                  https://syzkaller.appspot.com/bug?extid=5f5f36a9ed0aadd614f3
<3> 519     Yes   possible deadlock in xfs_icwalk_ag (3)
                  https://syzkaller.appspot.com/bug?extid=789028412a4af61a2b61
<4> 294     Yes   KASAN: slab-use-after-free Read in xfs_inode_item_push
                  https://syzkaller.appspot.com/bug?extid=1a28995e12fd13faa44e
<5> 52      No    possible deadlock in xfs_can_free_eofblocks (3)
                  https://syzkaller.appspot.com/bug?extid=a8a73f25200041b89d40
<6> 30      Yes   KASAN: slab-use-after-free Read in xfs_buf_rele (4)
                  https://syzkaller.appspot.com/bug?extid=0391d34e801643e2809b
<7> 14      Yes   KASAN: slab-out-of-bounds Read in xlog_cksum
                  https://syzkaller.appspot.com/bug?extid=9f6d080dece587cfdd4c
<8> 13      No    possible deadlock in xfs_trans_alloc
                  https://syzkaller.appspot.com/bug?extid=f4c587833618ec4a76f9
<9> 4       Yes   INFO: task hung in xlog_force_lsn (2)
                  https://syzkaller.appspot.com/bug?extid=c27dee924f3271489c82

---
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