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Date:   Sun, 30 Apr 2023 19:28:46 -0400
From:   "Theodore Ts'o" <tytso@....edu>
To:     syzbot <syzbot+9543479984ae9e576000@...kaller.appspotmail.com>
Cc:     adilger.kernel@...ger.ca, linux-ext4@...r.kernel.org,
        linux-kernel@...r.kernel.org, syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] possible deadlock in ext4_bmap

On Mon, Aug 08, 2022 at 12:33:22AM -0700, syzbot wrote:
> Hello,
> 
> syzbot found the following issue on:
> 
> HEAD commit:    ca688bff68bc Add linux-next specific files for 20220808
> git tree:       linux-next
> console output: https://syzkaller.appspot.com/x/log.txt?x=177eb001080000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=4c20e006003cdecb
> dashboard link: https://syzkaller.appspot.com/bug?extid=9543479984ae9e576000
> compiler:       gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2

#syz fix: ext4, jbd2: add an optimized bmap for the journal inode

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