linux-kernel - Re: [syzbot] [hfs?] possible deadlock in hfs_extend

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]

Message-ID: <00000000000031b4140611f09e02@google.com>
Date: Wed, 21 Feb 2024 20:10:04 -0800
From: syzbot <syzbot+41a88b825a315aac2254@...kaller.appspotmail.com>
To: akpm@...ux-foundation.org, axboe@...nel.dk, brauner@...nel.org, 
	eadavis@...com, ernesto.mnd.fernandez@...il.com, jack@...e.cz, 
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org, 
	slava@...eyko.com, syzkaller-bugs@...glegroups.com, 
	torvalds@...ux-foundation.org, willy@...radead.org
Subject: Re: [syzbot] [hfs?] possible deadlock in hfs_extend_file (2)

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=12bedb0c180000
start commit:   610a9b8f49fb Linux 6.7-rc8
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=247b5a935d307ee5
dashboard link: https://syzkaller.appspot.com/bug?extid=41a88b825a315aac2254
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1552fe19e80000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1419bcade80000

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