linux-kernel - Re: [syzbot] [ntfs3?] possible deadlock in ntfs_set

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Date: Mon, 15 Jan 2024 14:41:40 +0100
From: Jan Kara <jack@...e.cz>
To: syzbot <syzbot+f91c29a5d5a01ada051a@...kaller.appspotmail.com>
Cc: almaz.alexandrovich@...agon-software.com, axboe@...nel.dk,
	brauner@...nel.org, bvanassche@....org, hch@....de, jack@...e.cz,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	llvm@...ts.linux.dev, martin.petersen@...cle.com, nathan@...nel.org,
	ndesaulniers@...gle.com, ntfs3@...ts.linux.dev,
	syzkaller-bugs@...glegroups.com, trix@...hat.com,
	viro@...iv.linux.org.uk, yanaijie@...wei.com
Subject: Re: [syzbot] [ntfs3?] possible deadlock in ntfs_set_state

On Sat 13-01-24 15:43:04, 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=10f71683e80000
> start commit:   8f6f76a6a29f Merge tag 'mm-nonmm-stable-2023-11-02-14-08' ..
> git tree:       upstream
> kernel config:  https://syzkaller.appspot.com/x/.config?x=94632a8e2ffd08bb
> dashboard link: https://syzkaller.appspot.com/bug?extid=f91c29a5d5a01ada051a
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=15af0317680000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=10de04b0e80000
> 
> 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