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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

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