[syzbot] Monthly btrfs report (Oct 2024)

[syzbot] Monthly btrfs report (Oct 2024)

[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, 4 new issues were detected and 2 were fixed.
In total, 36 issues are still open and 89 have been fixed so far.

Some of the still happening issues:

Ref  Crashes Repro Title
<1>  16427   Yes   VFS: Busy inodes after unmount (use-after-free)
                   https://syzkaller.appspot.com/bug?extid=0af00f6a2cba2058b5db
<2>  6309    Yes   kernel BUG in close_ctree
                   https://syzkaller.appspot.com/bug?extid=2665d678fffcc4608e18
<3>  3340    Yes   WARNING in btrfs_space_info_update_bytes_may_use
                   https://syzkaller.appspot.com/bug?extid=8edfa01e46fd9fe3fbfb
<4>  632     Yes   KMSAN: uninit-value in __crc32c_le_base (4)
                   https://syzkaller.appspot.com/bug?extid=549710bad9c798e25b15
<5>  302     Yes   WARNING in lookup_inline_extent_backref
                   https://syzkaller.appspot.com/bug?extid=d6f9ff86c1d804ba2bc6
<6>  287     Yes   WARNING in btrfs_commit_transaction (2)
                   https://syzkaller.appspot.com/bug?extid=dafbca0e20fbc5946925
<7>  279     Yes   WARNING in btrfs_chunk_alloc
                   https://syzkaller.appspot.com/bug?extid=e8e56d5d31d38b5b47e7
<8>  241     Yes   WARNING in btrfs_remove_chunk
                   https://syzkaller.appspot.com/bug?extid=e8582cc16881ec70a430
<9>  86      Yes   WARNING in btrfs_put_block_group
                   https://syzkaller.appspot.com/bug?extid=e38c6fff39c0d7d6f121
<10> 61      Yes   kernel BUG in clear_state_bit
                   https://syzkaller.appspot.com/bug?extid=78dbea1c214b5413bdd3

---
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@googlegroups.com.

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.