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Message-ID: <20240219113825.sxjpdxhkn6w7qzy4@quack3>
Date: Mon, 19 Feb 2024 12:38:25 +0100
From: Jan Kara <jack@...e.cz>
To: syzbot <syzbot+34a0f26f0f61c4888ea4@...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, yebin10@...wei.com
Subject: Re: [syzbot] [ext4?] KASAN: use-after-free Read in ext4_search_dir

On Fri 16-02-24 22:55:04, 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=12d6758a180000
> start commit:   7475e51b8796 Merge tag 'net-6.7-rc2' of git://git.kernel.o..
> git tree:       upstream
> kernel config:  https://syzkaller.appspot.com/x/.config?x=d05dd66e2eb2c872
> dashboard link: https://syzkaller.appspot.com/bug?extid=34a0f26f0f61c4888ea4
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=10221a14e80000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=112fd18f680000
> 
> 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

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