linux-kernel - [syzbot] Monthly btrfs report (May 2023)

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Message-ID: <000000000000716a8005fce4e592@google.com>
Date:   Tue, 30 May 2023 01:21:55 -0700
From:   syzbot <syzbot+list3e0431ddab075345f512@...kaller.appspotmail.com>
To:     clm@...com, dsterba@...e.com, josef@...icpanda.com,
        linux-btrfs@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        linux-kernel@...r.kernel.org, syzkaller-bugs@...glegroups.com
Subject: [syzbot] Monthly btrfs report (May 2023)

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, 5 new issues were detected and 1 were fixed.
In total, 52 issues are still open and 26 have been fixed so far.

Some of the still happening issues:

Ref  Crashes Repro Title
<1>  2986    Yes   kernel BUG in close_ctree
                   https://syzkaller.appspot.com/bug?extid=2665d678fffcc4608e18
<2>  677     Yes   VFS: Busy inodes after unmount (use-after-free)
                   https://syzkaller.appspot.com/bug?extid=0af00f6a2cba2058b5db
<3>  424     Yes   WARNING in __kernel_write_iter
                   https://syzkaller.appspot.com/bug?extid=12e098239d20385264d3
<4>  381     Yes   WARNING in btrfs_space_info_update_bytes_may_use
                   https://syzkaller.appspot.com/bug?extid=8edfa01e46fd9fe3fbfb
<5>  370     Yes   WARNING in btrfs_block_rsv_release
                   https://syzkaller.appspot.com/bug?extid=dde7e853812ed57835ea
<6>  193     Yes   WARNING in btrfs_remove_chunk
                   https://syzkaller.appspot.com/bug?extid=e8582cc16881ec70a430
<7>  191     Yes   WARNING in lookup_inline_extent_backref
                   https://syzkaller.appspot.com/bug?extid=d6f9ff86c1d804ba2bc6
<8>  189     Yes   WARNING in btrfs_chunk_alloc
                   https://syzkaller.appspot.com/bug?extid=e8e56d5d31d38b5b47e7
<9>  184     Yes   possible deadlock in btrfs_search_slot
                   https://syzkaller.appspot.com/bug?extid=c06034aecf9f5eab1ac1
<10> 151     Yes   kernel BUG in assertfail (2)
                   https://syzkaller.appspot.com/bug?extid=c4614eae20a166c25bf0

---
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@...glegroups.com.

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