linux-kernel - Re: [syzbot] [ntfs3?] kernel panic: stack is corrupted in run_unpack

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Date: Wed, 21 Feb 2024 11:23:40 +0100
From: Jan Kara <jack@...e.cz>
To: syzbot <syzbot+ba698041fcdf4d0214bb@...kaller.appspotmail.com>
Cc: almaz.alexandrovich@...agon-software.com, axboe@...nel.dk,
	brauner@...nel.org, jack@...e.cz, linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org, ntfs3@...ts.linux.dev,
	syzkaller-bugs@...glegroups.com, viro@...iv.linux.org.uk,
	yuran.pereira@...mail.com
Subject: Re: [syzbot] [ntfs3?] kernel panic: stack is corrupted in
 run_unpack_ex

On Tue 20-02-24 07:06:02, 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=149d61e8180000
> start commit:   41c03ba9beea Merge tag 'for_linus' of git://git.kernel.org..
> git tree:       upstream
> kernel config:  https://syzkaller.appspot.com/x/.config?x=8cdb1e7bec4b955a
> dashboard link: https://syzkaller.appspot.com/bug?extid=ba698041fcdf4d0214bb
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=11e43f56480000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=13fbabea480000
> 
> 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