[syzbot] Monthly bcachefs report (Jul 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, 5 new issues were detected and 13 were fixed.
In total, 52 issues are still open and 220 have already been fixed.

Some of the still happening issues:

Ref  Crashes Repro Title
<1>  3934    Yes   WARNING in bch2_trans_srcu_unlock
                   https://syzkaller.appspot.com/bug?extid=1e515cab343dbe5aa38a
<2>  1253    Yes   INFO: task hung in bch2_journal_reclaim_thread (2)
                   https://syzkaller.appspot.com/bug?extid=820dc3b465c69f766a57
<3>  853     Yes   kernel BUG in bch2_trans_update_by_path
                   https://syzkaller.appspot.com/bug?extid=210dfbddd64294066983
<4>  754     Yes   kernel BUG in bch2_quota_check_limit
                   https://syzkaller.appspot.com/bug?extid=8364d1e040a88ed5657d
<5>  459     Yes   WARNING in bch2_trans_put
                   https://syzkaller.appspot.com/bug?extid=291aef749c5cbb9ca2fd
<6>  346     Yes   INFO: task hung in bch2_readahead
                   https://syzkaller.appspot.com/bug?extid=a6060114362257e9798a
<7>  335     Yes   WARNING in __bch2_truncate_folio
                   https://syzkaller.appspot.com/bug?extid=3d11e35eeafe176a6c5b
<8>  158     Yes   WARNING in bch2_alloc_sectors_start_trans
                   https://syzkaller.appspot.com/bug?extid=23573dac1278bb26916d
<9>  124     Yes   general protection fault in put_pwq_unlocked (2)
                   https://syzkaller.appspot.com/bug?extid=aa930d41d2f32904c5da
<10> 62      Yes   KMSAN: uninit-value in LZ4_decompress_safe_partial
                   https://syzkaller.appspot.com/bug?extid=3c88ea590c13f5f92152

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