[syzbot-moderation] Monthly bcachefs report (Sep 2025)

[syzbot]

Hello bcachefs maintainers/developers,

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

During the period, 14 new issues were detected and 0 were fixed.
In total, 52 issues are still open and 224 have already been fixed.

Some of the still happening issues:

Ref Crashes Repro Title
<1> 4086 Yes WARNING in bch2_trans_srcu_unlock
https://syzkaller.appspot.com/bug?extid=1e515cab343dbe5aa38a
<2> 1561 Yes INFO: task hung in bch2_journal_reclaim_thread (2)
https://syzkaller.appspot.com/bug?extid=820dc3b465c69f766a57
<3> 793 Yes kernel BUG in bch2_quota_check_limit
https://syzkaller.appspot.com/bug?extid=8364d1e040a88ed5657d
<4> 758 Yes INFO: task hung in btree_write_buffer_flush_seq
https://syzkaller.appspot.com/bug?extid=cf3d1015b55ff73dcdc8
<5> 503 Yes WARNING in bch2_trans_put
https://syzkaller.appspot.com/bug?extid=291aef749c5cbb9ca2fd
<6> 395 Yes WARNING in __bch2_truncate_folio
https://syzkaller.appspot.com/bug?extid=3d11e35eeafe176a6c5b
<7> 295 Yes INFO: task hung in bch2_fs_read_only
https://syzkaller.appspot.com/bug?extid=c7aacacf99dcfd3475a7
<8> 293 Yes WARNING in bch2_alloc_sectors_start_trans
https://syzkaller.appspot.com/bug?extid=23573dac1278bb26916d
<9> 288 Yes kernel BUG in __bch2_trans_commit (3)
https://syzkaller.appspot.com/bug?extid=b6ef9edaba01d5b4e43f
<10> 221 Yes kernel BUG in bch2_btree_path_level_init (4)
https://syzkaller.appspot.com/bug?extid=55c84106264e92ea9ada

The report will be sent to: [linux-b...@vger.kernel.org kent.ov...@linux.dev 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.

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#syz set <Ref> subsystems: new-subsystem

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#syz upstream

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#syz regenerate

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[Aleksandr Nogikh]

#syz upstream

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