linux-ext4 - Re: [syzbot] [ext4?] kernel BUG in ext4_write_inline_data

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Message-ID: <20240126110522.kltwopnoabgxiu6j@quack3>
Date: Fri, 26 Jan 2024 12:05:22 +0100
From: Jan Kara <jack@...e.cz>
To: syzbot <syzbot+198e7455f3a4f38b838a@...kaller.appspotmail.com>
Cc: 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
Subject: Re: [syzbot] [ext4?] kernel BUG in ext4_write_inline_data_end

On Wed 24-01-24 19:17:03, syzbot wrote:
> 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=1682e45fe80000
> start commit:   90b0c2b2edd1 Merge tag 'pinctrl-v6.7-1' of git://git.kerne..
> git tree:       upstream
> kernel config:  https://syzkaller.appspot.com/x/.config?x=93ac5233c138249e
> dashboard link: https://syzkaller.appspot.com/bug?extid=198e7455f3a4f38b838a
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=17277d7f680000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=123c58df680000
> 
> If the result looks correct, please mark the issue as fixed by replying with:
 
Makes sense:

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

								Honza
-- 
Jan Kara <jack@...e.com>
SUSE Labs, CR