All of lore.kernel.org
 help / color / mirror / Atom feed
From: syzbot <syzbot+c2ca18f0fccdd1f09c66@syzkaller.appspotmail.com>
To: davem@davemloft.net, edumazet@google.com, jiri@nvidia.com,
	kuba@kernel.org, linux-kernel@vger.kernel.org,
	linux-next@vger.kernel.org, netdev@vger.kernel.org,
	pabeni@redhat.com, sfr@canb.auug.org.au,
	syzkaller-bugs@googlegroups.com
Subject: [syzbot] linux-next test error: WARNING in devl_port_unregister
Date: Mon, 07 Nov 2022 11:02:52 -0800	[thread overview]
Message-ID: <0000000000000c56d205ece61277@google.com> (raw)

Hello,

syzbot found the following issue on:

HEAD commit:    d8e87774068a Add linux-next specific files for 20221107
git tree:       linux-next
console output: https://syzkaller.appspot.com/x/log.txt?x=17b99fde880000
kernel config:  https://syzkaller.appspot.com/x/.config?x=97401fe9f72601bf
dashboard link: https://syzkaller.appspot.com/bug?extid=c2ca18f0fccdd1f09c66
compiler:       gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/671a9d3d5dc6/disk-d8e87774.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/ef1309efbb19/vmlinux-d8e87774.xz
kernel image: https://storage.googleapis.com/syzbot-assets/7592dabd2a3a/bzImage-d8e87774.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+c2ca18f0fccdd1f09c66@syzkaller.appspotmail.com

wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0
------------[ cut here ]------------
WARNING: CPU: 0 PID: 11 at net/core/devlink.c:9998 devl_port_unregister+0x2f6/0x390 net/core/devlink.c:9998
Modules linked in:
CPU: 1 PID: 11 Comm: kworker/u4:1 Not tainted 6.1.0-rc3-next-20221107-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Workqueue: netns cleanup_net
RIP: 0010:devl_port_unregister+0x2f6/0x390 net/core/devlink.c:9998
Code: e8 8f 45 fc f9 85 ed 0f 85 7a fd ff ff e8 b2 48 fc f9 0f 0b e9 6e fd ff ff e8 a6 48 fc f9 0f 0b e9 53 ff ff ff e8 9a 48 fc f9 <0f> 0b e9 94 fd ff ff e8 de f9 48 fa e9 78 ff ff ff e8 a4 f9 48 fa
RSP: 0018:ffffc90000107a08 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff888020492810 RCX: 0000000000000000
RDX: ffff888011a33a80 RSI: ffffffff87809286 RDI: 0000000000000005
RBP: 0000000000000002 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000000 R12: ffff888020492810
R13: ffff888020492808 R14: ffff888020491800 R15: ffff888020492800
FS:  0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c00213d000 CR3: 000000007318b000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __nsim_dev_port_del+0x1bb/0x240 drivers/net/netdevsim/dev.c:1433
 nsim_dev_port_del_all drivers/net/netdevsim/dev.c:1443 [inline]
 nsim_dev_reload_destroy+0x171/0x510 drivers/net/netdevsim/dev.c:1660
 nsim_dev_reload_down+0x6b/0xd0 drivers/net/netdevsim/dev.c:968
 devlink_reload+0x1c2/0x6b0 net/core/devlink.c:4501
 devlink_pernet_pre_exit+0x104/0x1c0 net/core/devlink.c:12609
 ops_pre_exit_list net/core/net_namespace.c:159 [inline]
 cleanup_net+0x451/0xb10 net/core/net_namespace.c:594
 process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289
 worker_thread+0x665/0x1080 kernel/workqueue.c:2436
 kthread+0x2e4/0x3a0 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
 </TASK>


---
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@googlegroups.com.

syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.

             reply	other threads:[~2022-11-07 19:02 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-11-07 19:02 syzbot [this message]
2022-11-08  8:26 ` [syzbot] linux-next test error: WARNING in devl_port_unregister Jiri Pirko
2022-11-09  9:55 ` Ido Schimmel

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=0000000000000c56d205ece61277@google.com \
    --to=syzbot+c2ca18f0fccdd1f09c66@syzkaller.appspotmail.com \
    --cc=davem@davemloft.net \
    --cc=edumazet@google.com \
    --cc=jiri@nvidia.com \
    --cc=kuba@kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-next@vger.kernel.org \
    --cc=netdev@vger.kernel.org \
    --cc=pabeni@redhat.com \
    --cc=sfr@canb.auug.org.au \
    --cc=syzkaller-bugs@googlegroups.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.