linux-kernel - Re: [syzbot] [ext4?] general protection fault in utf8nlookup

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Message-ID: <000000000000600b5d06113869f0@google.com>
Date: Mon, 12 Feb 2024 16:24:03 -0800
From: syzbot <syzbot+9cf75dc581fb4307d6dd@...kaller.appspotmail.com>
To: adilger.kernel@...ger.ca, axboe@...nel.dk, brauner@...nel.org, 
	ebiggers@...gle.com, ebiggers@...nel.org, jack@...e.cz, krisman@...labora.com, 
	linux-ext4@...r.kernel.org, linux-fsdevel@...r.kernel.org, 
	linux-kernel@...r.kernel.org, syzkaller-bugs@...glegroups.com, 
	twuufnxlz@...il.com, tytso@....edu
Subject: Re: [syzbot] [ext4?] general protection fault in utf8nlookup

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=17547fd4180000
start commit:   e42bebf6db29 Merge tag 'efi-fixes-for-v6.6-1' of git://git..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=df91a3034fe3f122
dashboard link: https://syzkaller.appspot.com/bug?extid=9cf75dc581fb4307d6dd
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1374a174680000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=12b12928680000

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