[syzbot] Monthly btrfs report (Jun 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, 3 new issues were detected and 0 were fixed.
In total, 23 issues are still open and 114 have already been fixed.
There are also 11 low-priority issues.

Some of the still happening issues:

Ref Crashes Repro Title
<1> 185 Yes WARNING in btrfs_run_delayed_refs (2)
https://syzkaller.appspot.com/bug?extid=810ea5febd3b79bdd384
<2> 63 No possible deadlock in btrfs_dirty_inode (2)
https://syzkaller.appspot.com/bug?extid=415a049af48761105c01
<3> 37 Yes WARNING in btrfs_destroy_inode (3)
https://syzkaller.appspot.com/bug?extid=25df068cd8509f8c0fe1
<4> 7 Yes INFO: task hung in btrfs_invalidate_folio (4)
https://syzkaller.appspot.com/bug?extid=c7443384724bb0f9e913
<5> 2 No KASAN: slab-use-after-free Write in btrfs_put_root
https://syzkaller.appspot.com/bug?extid=b3d472d13f9d7bf20669
<6> 6592 Yes kernel BUG in close_ctree
https://syzkaller.appspot.com/bug?extid=2665d678fffcc4608e18
<7> 847 Yes WARNING in btrfs_chunk_alloc
https://syzkaller.appspot.com/bug?extid=e8e56d5d31d38b5b47e7
<8> 460 Yes WARNING in btrfs_remove_chunk
https://syzkaller.appspot.com/bug?extid=e8582cc16881ec70a430
<9> 31 Yes WARNING in btrfs_free_reserved_data_space_noquota (3)
https://syzkaller.appspot.com/bug?extid=9064acebb06685edb243
<10> 29 Yes WARNING in btrfs_finish_one_ordered
https://syzkaller.appspot.com/bug?extid=6e54e639e7b934d64304

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