[syzbot] Monthly btrfs report (Mar 2026)

[syzbot]

Hello btrfs maintainers/developers,

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

During the period, 1 new issues were detected and 0 were fixed.
In total, 42 issues are still open and 112 have already been fixed.

Some of the still happening issues:

Ref  Crashes Repro Title
<1>  5569    Yes   WARNING in btrfs_space_info_update_bytes_may_use
                   https://syzkaller.appspot.com/bug?extid=8edfa01e46fd9fe3fbfb
<2>  1340    Yes   WARNING in btrfs_create_pending_block_groups (2)
                   https://syzkaller.appspot.com/bug?extid=b0643a1387dac0572b27
<3>  1226    Yes   WARNING in btrfs_commit_transaction (2)
                   https://syzkaller.appspot.com/bug?extid=dafbca0e20fbc5946925
<4>  727     Yes   WARNING in btrfs_chunk_alloc
                   https://syzkaller.appspot.com/bug?extid=e8e56d5d31d38b5b47e7
<5>  505     Yes   WARNING in cleanup_transaction
                   https://syzkaller.appspot.com/bug?extid=021d10c4d4edc87daa03
<6>  443     Yes   WARNING in btrfs_remove_chunk
                   https://syzkaller.appspot.com/bug?extid=e8582cc16881ec70a430
<7>  206     Yes   WARNING in __btrfs_free_extent (3)
                   https://syzkaller.appspot.com/bug?extid=480676efc0c3a76b5214
<8>  183     Yes   kernel BUG in clear_state_bit
                   https://syzkaller.appspot.com/bug?extid=78dbea1c214b5413bdd3
<9>  77      Yes   WARNING in btrfs_run_delayed_refs (2)
                   https://syzkaller.appspot.com/bug?extid=810ea5febd3b79bdd384
<10> 55      Yes   INFO: task hung in __alloc_workqueue (2)
                   https://syzkaller.appspot.com/bug?extid=ead9101689c4ca30dbe8

---
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@xxxxxxxxxxxxxxxx.

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

You may send multiple commands in a single email message.