[syzbot] Monthly btrfs report (Oct 2026)

[syzbot] Monthly btrfs report (Oct 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, 2 new issues were detected and 0 were fixed.
In total, 33 issues are still open and 121 have already been fixed.
There are also 15 low-priority issues.

Some of the still happening issues:

Ref  Crashes Repro Title
<1>  208     Yes   WARNING in btrfs_run_delayed_refs (2)
                   https://syzkaller.appspot.com/bug?extid=810ea5febd3b79bdd384
<2>  88      Yes   INFO: task hung in __alloc_workqueue (2)
                   https://syzkaller.appspot.com/bug?extid=ead9101689c4ca30dbe8
<3>  78      No    possible deadlock in btrfs_dirty_inode (2)
                   https://syzkaller.appspot.com/bug?extid=415a049af48761105c01
<4>  51      No    possible deadlock in btrfs_quota_enable (2)
                   https://syzkaller.appspot.com/bug?extid=3a88c590edd72179657c
<5>  32      No    possible deadlock in kernfs_add_one
                   https://syzkaller.appspot.com/bug?extid=f50d605480fdec503770
<6>  21      No    kernel BUG in btrfs_subpage_assert
                   https://syzkaller.appspot.com/bug?extid=d490d04560554e6259b9
<7>  1279    Yes   WARNING in btrfs_chunk_alloc
                   https://syzkaller.appspot.com/bug?extid=e8e56d5d31d38b5b47e7
<8>  581     Yes   WARNING in btrfs_remove_chunk
                   https://syzkaller.appspot.com/bug?extid=e8582cc16881ec70a430
<9>  74      Yes   WARNING in btrfs_finish_one_ordered
                   https://syzkaller.appspot.com/bug?extid=6e54e639e7b934d64304
<10> 35      Yes   WARNING in btrfs_free_reserved_data_space_noquota (3)
                   https://syzkaller.appspot.com/bug?extid=9064acebb06685edb243

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