linux-kernel - [syzbot] Monthly f2fs report (Nov 2025)

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Message-ID: <6908a9ca.050a0220.29fc44.0045.GAE@google.com>
Date: Mon, 03 Nov 2025 05:10:34 -0800
From: syzbot <syzbot+list6d5e07b82ce5d672a81d@...kaller.appspotmail.com>
To: chao@...nel.org, jaegeuk@...nel.org, 
	linux-f2fs-devel@...ts.sourceforge.net, linux-kernel@...r.kernel.org, 
	syzkaller-bugs@...glegroups.com
Subject: [syzbot] Monthly f2fs report (Nov 2025)

Hello f2fs maintainers/developers,

This is a 31-day syzbot report for the f2fs subsystem.
All related reports/information can be found at:
https://syzkaller.appspot.com/upstream/s/f2fs

During the period, 4 new issues were detected and 0 were fixed.
In total, 11 issues are still open and 68 have already been fixed.

Some of the still happening issues:

Ref Crashes Repro Title
<1> 1330    Yes   INFO: task hung in f2fs_balance_fs
                  https://syzkaller.appspot.com/bug?extid=8b85865808c8908a0d8c
<2> 1315    Yes   kernel BUG in f2fs_evict_inode (4)
                  https://syzkaller.appspot.com/bug?extid=5c81eb8c0a380fa578b5
<3> 914     Yes   WARNING in get_data
                  https://syzkaller.appspot.com/bug?extid=f5d91b1897d5b094c6b4
<4> 155     Yes   INFO: task hung in f2fs_issue_checkpoint (2)
                  https://syzkaller.appspot.com/bug?extid=8a7eea50810efde15b0a
<5> 133     Yes   kernel BUG in f2fs_write_end_io
                  https://syzkaller.appspot.com/bug?extid=803dd716c4310d16ff3a
<6> 10      No    kernel BUG in __update_extent_tree_range
                  https://syzkaller.appspot.com/bug?extid=24124df3170c3638b35f
<7> 5       No    possible deadlock in f2fs_do_truncate_blocks
                  https://syzkaller.appspot.com/bug?extid=14b90e1156b9f6fc1266
<8> 3       No    kernel BUG in f2fs_do_truncate_blocks
                  https://syzkaller.appspot.com/bug?extid=1867a378155795cb1680

---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzkaller@...glegroups.com.

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