linux-kernel - Re: [syzbot] possible deadlock in mnt_want

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>] [day] [month] [year] [list]

Message-ID: <00000000000077dcfd05e2e1baab@google.com>
Date:   Sun, 03 Jul 2022 00:40:07 -0700
From:   syzbot <syzbot+b42fe626038981fb7bfa@...kaller.appspotmail.com>
To:     hdanton@...a.com, linux-kernel@...r.kernel.org,
        syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] possible deadlock in mnt_want_write (2)

Hello,

syzbot has tested the proposed patch and the reproducer did not trigger any issue:

Reported-and-tested-by: syzbot+b42fe626038981fb7bfa@...kaller.appspotmail.com

Tested on:

commit:         08986606 Merge tag 'libnvdimm-fixes-5.19-rc5' of git:/..
git tree:       http://kernel.source.codeaurora.cn/pub/scm/linux/kernel/git/torvalds/linux.git
console output: https://syzkaller.appspot.com/x/log.txt?x=1479f7fff00000
kernel config:  https://syzkaller.appspot.com/x/.config?x=75c9ff14e1db87c0
dashboard link: https://syzkaller.appspot.com/bug?extid=b42fe626038981fb7bfa
compiler:       Debian clang version 13.0.1-++20220126092033+75e33f71c2da-1~exp1~20220126212112.63, GNU ld (GNU Binutils for Debian) 2.35.2
patch:          https://syzkaller.appspot.com/x/patch.diff?x=11e05fd4080000

Note: testing is done by a robot and is best-effort only.