[syzbot] Monthly bcachefs report (Aug 2025)

[syzbot] Monthly bcachefs report (Aug 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, 7 new issues were detected and 1 were fixed.
In total, 40 issues are still open and 224 have already been fixed.

Some of the still happening issues:

Ref  Crashes Repro Title
<1>  4006    Yes   WARNING in bch2_trans_srcu_unlock
                   https://syzkaller.appspot.com/bug?extid=1e515cab343dbe5aa38a
<2>  1442    Yes   INFO: task hung in bch2_journal_reclaim_thread (2)
                   https://syzkaller.appspot.com/bug?extid=820dc3b465c69f766a57
<3>  758     Yes   kernel BUG in bch2_quota_check_limit
                   https://syzkaller.appspot.com/bug?extid=8364d1e040a88ed5657d
<4>  483     Yes   WARNING in bch2_trans_put
                   https://syzkaller.appspot.com/bug?extid=291aef749c5cbb9ca2fd
<5>  369     Yes   WARNING in __bch2_truncate_folio
                   https://syzkaller.appspot.com/bug?extid=3d11e35eeafe176a6c5b
<6>  292     Yes   INFO: task hung in bch2_fs_read_only
                   https://syzkaller.appspot.com/bug?extid=c7aacacf99dcfd3475a7
<7>  241     Yes   WARNING in bch2_alloc_sectors_start_trans
                   https://syzkaller.appspot.com/bug?extid=23573dac1278bb26916d
<8>  125     Yes   general protection fault in put_pwq_unlocked (2)
                   https://syzkaller.appspot.com/bug?extid=aa930d41d2f32904c5da
<9>  120     Yes   kernel BUG in __bch2_trans_commit (3)
                   https://syzkaller.appspot.com/bug?extid=b6ef9edaba01d5b4e43f
<10> 69      Yes   KMSAN: uninit-value in LZ4_decompress_safe_partial
                   https://syzkaller.appspot.com/bug?extid=3c88ea590c13f5f92152

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