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

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Date:   Fri, 05 May 2023 14:41:41 -0700
From:   syzbot <syzbot+list7a9bc4f901342664924c@...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 (May 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, 8 issues are still open and 21 have been fixed so far.

Some of the still happening issues:

Ref Crashes Repro Title
<1> 95      Yes   WARNING in kernfs_remove_by_name_ns (3)
                  https://syzkaller.appspot.com/bug?extid=93cbdd0ab421adc5275d
<2> 49      Yes   inconsistent lock state in find_vmap_area
                  https://syzkaller.appspot.com/bug?extid=8d19062486784d15dda9
<3> 30      Yes   KASAN: use-after-free Read in kernfs_add_one
                  https://syzkaller.appspot.com/bug?extid=ef17b5b364116518fd65
<4> 1       No    KASAN: slab-use-after-free Read in kernfs_xattr_get
                  https://syzkaller.appspot.com/bug?extid=1b11da2ef24dccc2e98d

---
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.

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