[syzbot-moderation] Monthly btrfs report (Sep 2025)

[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 1 were fixed.
In total, 32 issues are still open and 103 have already been fixed.

Some of the still happening issues:

Ref Crashes Repro Title
<1> 6558 Yes kernel BUG in close_ctree
https://syzkaller.appspot.com/bug?extid=2665d678fffcc4608e18
<2> 4748 Yes WARNING in btrfs_space_info_update_bytes_may_use
https://syzkaller.appspot.com/bug?extid=8edfa01e46fd9fe3fbfb
<3> 2686 Yes BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low! (7)
https://syzkaller.appspot.com/bug?extid=74f79df25c37437e4d5a
<4> 1061 Yes WARNING in btrfs_commit_transaction (2)
https://syzkaller.appspot.com/bug?extid=dafbca0e20fbc5946925
<5> 1029 Yes WARNING in btrfs_create_pending_block_groups (2)
https://syzkaller.appspot.com/bug?extid=b0643a1387dac0572b27
<6> 624 Yes WARNING in btrfs_chunk_alloc
https://syzkaller.appspot.com/bug?extid=e8e56d5d31d38b5b47e7
<7> 470 Yes WARNING in cleanup_transaction
https://syzkaller.appspot.com/bug?extid=021d10c4d4edc87daa03
<8> 409 Yes WARNING in btrfs_remove_chunk
https://syzkaller.appspot.com/bug?extid=e8582cc16881ec70a430
<9> 153 Yes kernel BUG in clear_state_bit
https://syzkaller.appspot.com/bug?extid=78dbea1c214b5413bdd3
<10> 105 Yes KMSAN: uninit-value in iov_iter_alignment_iovec
https://syzkaller.appspot.com/bug?extid=f2a9c06bfaa027217ebb

The report will be sent to: [linux...@vger.kernel.org c...@fb.com dst...@suse.com jo...@toxicpanda.com linux-...@vger.kernel.org].

---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
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[Aleksandr Nogikh]

#syz upstream

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