[syzbot] Monthly btrfs report (Aug 2025)

[syzbot] Monthly btrfs report (Aug 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, 3 new issues were detected and 0 were fixed.
In total, 37 issues are still open and 102 have already been fixed.

Some of the still happening issues:

Ref  Crashes Repro Title
<1>  6554    Yes   kernel BUG in close_ctree
                   https://syzkaller.appspot.com/bug?extid=2665d678fffcc4608e18
<2>  4619    Yes   WARNING in btrfs_space_info_update_bytes_may_use
                   https://syzkaller.appspot.com/bug?extid=8edfa01e46fd9fe3fbfb
<3>  1803    Yes   BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low! (7)
                   https://syzkaller.appspot.com/bug?extid=74f79df25c37437e4d5a
<4>  1023    Yes   WARNING in btrfs_commit_transaction (2)
                   https://syzkaller.appspot.com/bug?extid=dafbca0e20fbc5946925
<5>  1008    Yes   WARNING in btrfs_create_pending_block_groups (2)
                   https://syzkaller.appspot.com/bug?extid=b0643a1387dac0572b27
<6>  612     Yes   WARNING in btrfs_chunk_alloc
                   https://syzkaller.appspot.com/bug?extid=e8e56d5d31d38b5b47e7
<7>  610     Yes   general protection fault in btrfs_root_node
                   https://syzkaller.appspot.com/bug?extid=9c3e0cdfbfe351b0bc0e
<8>  467     Yes   WARNING in cleanup_transaction
                   https://syzkaller.appspot.com/bug?extid=021d10c4d4edc87daa03
<9>  376     Yes   WARNING in btrfs_remove_chunk
                   https://syzkaller.appspot.com/bug?extid=e8582cc16881ec70a430
<10> 163     Yes   WARNING in btrfs_put_block_group
                   https://syzkaller.appspot.com/bug?extid=e38c6fff39c0d7d6f121

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