linux-ext4 - Re: [syzbot] [apparmor?] [ext4?] general protection fault in common_perm

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Date: Mon, 19 Feb 2024 21:39:02 -0800
From: syzbot <syzbot+7d5fa8eb99155f439221@...kaller.appspotmail.com>
To: adilger.kernel@...ger.ca, apparmor-owner@...ts.ubuntu.com, 
	apparmor@...ts.ubuntu.com, axboe@...nel.dk, brauner@...nel.org, jack@...e.cz, 
	jmorris@...ei.org, john.johansen@...onical.com, john@...armor.net, 
	linux-ext4@...r.kernel.org, linux-fsdevel@...r.kernel.org, 
	linux-kernel@...r.kernel.org, linux-security-module@...r.kernel.org, 
	paul@...l-moore.com, serge@...lyn.com, syzkaller-bugs@...glegroups.com, 
	terrelln@...com, tytso@....edu
Subject: Re: [syzbot] [apparmor?] [ext4?] general protection fault in common_perm_cond

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=1644f22c180000
start commit:   b6e6cc1f78c7 Merge tag 'x86_urgent_for_6.5_rc2' of git://g..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=6769a69bd0e144b4
dashboard link: https://syzkaller.appspot.com/bug?extid=7d5fa8eb99155f439221
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=137b16dca80000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=14153b7ca80000

If the result looks correct, please mark the issue as fixed by replying with:

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

For information about bisection process see: https://goo.gl/tpsmEJ#bisection