linux-kernel - Re: [syzbot] [udf?] KASAN: use-after-free Write in udf_close

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Message-ID: <000000000000aaf29f0611ac0603@google.com>
Date: Sun, 18 Feb 2024 10:20:04 -0800
From: syzbot <syzbot+60864ed35b1073540d57@...kaller.appspotmail.com>
To: akpm@...ux-foundation.org, alden.tondettar@...il.com, axboe@...nel.dk, 
	brauner@...nel.org, dvyukov@...gle.com, hch@...radead.org, hdanton@...a.com, 
	jack@...e.com, jack@...e.cz, linux-fsdevel@...r.kernel.org, 
	linux-kernel@...r.kernel.org, pali@...nel.org, 
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [udf?] KASAN: use-after-free Write in udf_close_lvid

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=12c941c2180000
start commit:   f016f7547aee Merge tag 'gpio-fixes-for-v6.7-rc8' of git://..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=f8e72bae38c079e4
dashboard link: https://syzkaller.appspot.com/bug?extid=60864ed35b1073540d57
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=13c2caf9e80000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=11f518f9e80000

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