linux-kernel - Re: [syzbot] [ext4?] kernel BUG in ext4_split_extent

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Message-ID: <000000000000d7ed43060fb5f676@google.com>
Date: Wed, 24 Jan 2024 11:21:05 -0800
From: syzbot <syzbot+0f4d9f68fb6632330c6c@...kaller.appspotmail.com>
To: adilger.kernel@...ger.ca, axboe@...nel.dk, brauner@...nel.org, 
	jack@...e.cz, linux-ext4@...r.kernel.org, linux-fsdevel@...r.kernel.org, 
	linux-kernel@...r.kernel.org, syzkaller-bugs@...glegroups.com, tytso@....edu, 
	yebin10@...wei.com
Subject: Re: [syzbot] [ext4?] kernel BUG in ext4_split_extent_at (2)

syzbot suspects this issue was fixed by commit:

commit 6f861765464f43a71462d52026fbddfc858239a5
Author: Jan Kara <jack@...e.cz>
Date:   Wed Nov 1 17:43:10 2023 +0000

    fs: Block writes to mounted block devices

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=102ded8be80000
start commit:   25041a4c02c7 Merge tag 'net-6.4-rc6' of git://git.kernel.o..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=7474de833c217bf4
dashboard link: https://syzkaller.appspot.com/bug?extid=0f4d9f68fb6632330c6c
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=11b3bc8d280000

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

#syz fix: fs: Block writes to mounted block devices

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