linux-kernel - [syzbot] Monthly nbd report (Nov 2025)

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Message-ID: <690a0beb.050a0220.98a6.00af.GAE@google.com>
Date: Tue, 04 Nov 2025 06:21:31 -0800
From: syzbot <syzbot+listc0bf6fe607a7f411a734@...kaller.appspotmail.com>
To: josef@...icpanda.com, linux-block@...r.kernel.org, 
	linux-kernel@...r.kernel.org, nbd@...er.debian.org, 
	syzkaller-bugs@...glegroups.com
Subject: [syzbot] Monthly nbd report (Nov 2025)

Hello nbd maintainers/developers,

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

During the period, 1 new issues were detected and 0 were fixed.
In total, 7 issues are still open and 8 have already been fixed.

Some of the still happening issues:

Ref Crashes Repro Title
<1> 2373    Yes   possible deadlock in pcpu_alloc_noprof (2)
                  https://syzkaller.appspot.com/bug?extid=91771b3fb86ec2dd7227
<2> 339     Yes   INFO: task hung in nbd_queue_rq
                  https://syzkaller.appspot.com/bug?extid=30c16035531e3248dcbc
<3> 64      Yes   possible deadlock in nbd_queue_rq
                  https://syzkaller.appspot.com/bug?extid=3dbc6142c85cc77eaf04
<4> 4       Yes   KASAN: slab-use-after-free Write in recv_work (3)
                  https://syzkaller.appspot.com/bug?extid=56fbf4c7ddf65e95c7cc

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

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