netdev - [syzbot] [wpan?] WARNING in cfg802154_pernet

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Message-ID: <00000000000081caf2061cd90d7c@google.com>
Date: Tue, 09 Jul 2024 16:40:20 -0700
From: syzbot <syzbot+ea134023eba0b937095a@...kaller.appspotmail.com>
To: alex.aring@...il.com, davem@...emloft.net, edumazet@...gle.com, 
	kuba@...nel.org, linux-kernel@...r.kernel.org, linux-wpan@...r.kernel.org, 
	miquel.raynal@...tlin.com, netdev@...r.kernel.org, pabeni@...hat.com, 
	stefan@...enfreihafen.org, syzkaller-bugs@...glegroups.com
Subject: [syzbot] [wpan?] WARNING in cfg802154_pernet_exit

Hello,

syzbot found the following issue on:

HEAD commit:    0913ec336a6c net: ks8851: Fix deadlock with the SPI chip v..
git tree:       net
console output: https://syzkaller.appspot.com/x/log.txt?x=11fcf3b9980000
kernel config:  https://syzkaller.appspot.com/x/.config?x=864caee5f78cab51
dashboard link: https://syzkaller.appspot.com/bug?extid=ea134023eba0b937095a
compiler:       Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40

Unfortunately, I don't have any reproducer for this issue yet.

Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/ca08c938c680/disk-0913ec33.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/94b3b925e4c6/vmlinux-0913ec33.xz
kernel image: https://storage.googleapis.com/syzbot-assets/ecb897178dbe/bzImage-0913ec33.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+ea134023eba0b937095a@...kaller.appspotmail.com

------------[ cut here ]------------
WARNING: CPU: 1 PID: 1057 at net/ieee802154/core.c:354 cfg802154_pernet_exit+0xb9/0xe0 net/ieee802154/core.c:354
Modules linked in:
CPU: 1 PID: 1057 Comm: kworker/u8:5 Not tainted 6.10.0-rc6-syzkaller-00170-g0913ec336a6c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
Workqueue: netns cleanup_net
RIP: 0010:cfg802154_pernet_exit+0xb9/0xe0 net/ieee802154/core.c:354
Code: 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 1c b7 c3 f6 48 8b 1b 4c 39 e3 74 12 e8 ef 01 5e f6 eb 89 e8 e8 01 5e f6 90 <0f> 0b 90 eb d0 e8 dd 01 5e f6 eb 05 e8 d6 01 5e f6 5b 41 5c 41 5d
RSP: 0018:ffffc90004547a88 EFLAGS: 00010293
RAX: ffffffff8b3825c8 RBX: ffff8880231c2008 RCX: ffff88802251bc00
RDX: 0000000000000000 RSI: 00000000ffffffef RDI: 0000000000000000
RBP: 00000000ffffffef R08: ffffffff8b382595 R09: 1ffffffff1ebcdc4
R10: dffffc0000000000 R11: fffffbfff1ebcdc5 R12: ffffffff8f8d05e0
R13: dffffc0000000000 R14: ffff888022dfd640 R15: ffff8880231c2608
FS:  0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff96115b460 CR3: 000000005cf20000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ops_exit_list net/core/net_namespace.c:173 [inline]
 cleanup_net+0x802/0xcc0 net/core/net_namespace.c:640
 process_one_work kernel/workqueue.c:3248 [inline]
 process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3329
 worker_thread+0x86d/0xd50 kernel/workqueue.c:3409
 kthread+0x2f0/0x390 kernel/kthread.c:389
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>


---
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