linux-kernel - Re: [syzbot] [btrfs?] kernel BUG in create_pending

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Message-ID: <000000000000a8f4b30608b0be9c@google.com>
Date:   Fri, 27 Oct 2023 04:11:06 -0700
From:   syzbot <syzbot+d56e0d33caf7d1a02821@...kaller.appspotmail.com>
To:     clm@...com, dsterba@...e.com, fdmanana@...e.com,
        johannes.thumshirn@....com, josef@...icpanda.com,
        linux-btrfs@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        linux-kernel@...r.kernel.org, syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [btrfs?] kernel BUG in create_pending_snapshot

syzbot suspects this issue was fixed by commit:

commit df9f278239046719c91aeb59ec0afb1a99ee8b2b
Author: Filipe Manana <fdmanana@...e.com>
Date:   Tue Jun 13 15:42:16 2023 +0000

    btrfs: do not BUG_ON on failure to get dir index for new snapshot

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=1584c385680000
start commit:   0136d86b7852 Merge tag 'block-6.2-2023-02-03' of git://git..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=5ea620bd01d9130d
dashboard link: https://syzkaller.appspot.com/bug?extid=d56e0d33caf7d1a02821
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=14657573480000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=16dd145d480000

If the result looks correct, please mark the issue as fixed by replying with:

#syz fix: btrfs: do not BUG_ON on failure to get dir index for new snapshot

For information about bisection process see: https://goo.gl/tpsmEJ#bisection