linux-kernel - [syzbot] Monthly kernfs report (Nov 2023)

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]

Date:   Wed, 29 Nov 2023 05:03:31 -0800
From:   syzbot <syzbot+list651ed881e18853419fb6@...kaller.appspotmail.com>
To:     gregkh@...uxfoundation.org, linux-fsdevel@...r.kernel.org,
        linux-kernel@...r.kernel.org, syzkaller-bugs@...glegroups.com,
        tj@...nel.org
Subject: [syzbot] Monthly kernfs report (Nov 2023)

Hello kernfs maintainers/developers,

This is a 31-day syzbot report for the kernfs subsystem.
All related reports/information can be found at:
https://syzkaller.appspot.com/upstream/s/kernfs

During the period, 1 new issues were detected and 0 were fixed.
In total, 10 issues are still open and 20 have been fixed so far.

Some of the still happening issues:

Ref Crashes Repro Title
<1> 1567    Yes   possible deadlock in input_event (2)
                  https://syzkaller.appspot.com/bug?extid=d4c06e848a1c1f9f726f
<2> 225     No    INFO: task hung in path_openat (7)
                  https://syzkaller.appspot.com/bug?extid=950a0cdaa2fdd14f5bdc
<3> 188     Yes   WARNING in kernfs_remove_by_name_ns (3)
                  https://syzkaller.appspot.com/bug?extid=93cbdd0ab421adc5275d
<4> 48      Yes   KASAN: use-after-free Read in kernfs_next_descendant_post (2)
                  https://syzkaller.appspot.com/bug?extid=6bc35f3913193fe7f0d3
<5> 36      Yes   KASAN: use-after-free Read in kernfs_add_one
                  https://syzkaller.appspot.com/bug?extid=ef17b5b364116518fd65
<6> 24      No    possible deadlock in lookup_slow (3)
                  https://syzkaller.appspot.com/bug?extid=65459fd3b61877d717a3

---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzkaller@...glegroups.com.

To disable reminders for individual bugs, reply with the following command:
#syz set <Ref> no-reminders

To change bug's subsystems, reply with:
#syz set <Ref> subsystems: new-subsystem

You may send multiple commands in a single email message.