[syzbot-moderation] Monthly f2fs report (Nov 2025)

[syzbot]

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> 913 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

The report will be sent to: [linux-f2...@lists.sourceforge.net ch...@kernel.org jae...@kernel.org linux-...@vger.kernel.org].

---
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 syzk...@googlegroups.com.

To disable reminders for individual bugs, reply with the following command:
#syz set <Ref> no-reminders

To change bug's subsystems, reply with:
#syz set <Ref> subsystems: new-subsystem

If the report looks fine to you, reply with:
#syz upstream

To regenerate the report, reply with:
#syz regenerate

You may send multiple commands in a single email message.

[syzbot]

> #syz upstream

The bug list was already upstreamed.
Please visit the new discussion thread.

>> --
>> You received this message because you are subscribed to the Google Groups
>> "syzkaller-upstream-moderation" group.
>> To unsubscribe from this group and stop receiving emails from it, send an
>> email to syzkaller-upstream-m...@googlegroups.com.
>> To view this discussion visit
>> https://groups.google.com/d/msgid/syzkaller-upstream-moderation/6908a0dd.050a0220.29fc44.0040.GAE%40google.com
>> .
>>