linux-kernel - Re: [syzbot] [jfs?] KASAN: slab-out-of-bounds Read in dtSearch

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Date: Wed, 7 Feb 2024 09:40:53 +0100
From: Jan Kara <jack@...e.cz>
To: syzbot <syzbot+9924e2a08d9ba0fd4ce2@...kaller.appspotmail.com>
Cc: axboe@...nel.dk, brauner@...nel.org, dan.carpenter@...aro.org,
	dave.kleikamp@...cle.com, ghandatmanas@...il.com, jack@...e.cz,
	jfs-discussion@...ts.sourceforge.net, linux-fsdevel@...r.kernel.org,
	linux-kernel-mentees@...ts.linuxfoundation.org,
	linux-kernel@...r.kernel.org, lkp@...el.com, llvm@...ts.linux.dev,
	oe-kbuild-all@...ts.linux.dev, oe-kbuild@...ts.linux.dev,
	shaggy@...nel.org, syzkaller-bugs@...glegroups.com,
	syzkaller@...glegroups.com
Subject: Re: [syzbot] [jfs?] KASAN: slab-out-of-bounds Read in dtSearch

On Tue 06-02-24 06:49:05, 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=13767e8fe80000
> start commit:   bee0e7762ad2 Merge tag 'for-linus-iommufd' of git://git.ke..
> git tree:       upstream
> kernel config:  https://syzkaller.appspot.com/x/.config?x=b45dfd882e46ec91
> dashboard link: https://syzkaller.appspot.com/bug?extid=9924e2a08d9ba0fd4ce2
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=152bfc22e80000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1608f4a2e80000
> 
> 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