From: syzbot <syzbot+80eac45c3b92882289f6@syzkaller.appspotmail.com>
To: coreteam@netfilter.org, davem@davemloft.net, fw@strlen.de,
horms@verge.net.au, ja@ssi.bg, kadlec@netfilter.org,
kuba@kernel.org, linux-kernel@vger.kernel.org,
lvs-devel@vger.kernel.org, netdev@vger.kernel.org,
netfilter-devel@vger.kernel.org, pablo@netfilter.org,
syzkaller-bugs@googlegroups.com, wensong@linux-vs.org
Subject: INFO: trying to register non-static key in update_defense_level
Date: Mon, 07 Sep 2020 14:19:16 -0700 [thread overview]
Message-ID: <0000000000005244f405aebfc5ba@google.com> (raw)
Hello,
syzbot found the following issue on:
HEAD commit: 9322c47b Merge tag 'xfs-5.9-fixes-2' of git://git.kernel.o..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=1670fe59900000
kernel config: https://syzkaller.appspot.com/x/.config?x=bd46548257448703
dashboard link: https://syzkaller.appspot.com/bug?extid=80eac45c3b92882289f6
compiler: gcc (GCC) 10.1.0-syz 20200507
Unfortunately, I don't have any reproducer for this issue yet.
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+80eac45c3b92882289f6@syzkaller.appspotmail.com
INFO: trying to register non-static key.
the code is fine but needs lockdep annotation.
turning off the locking correctness validator.
CPU: 0 PID: 607 Comm: kworker/0:12 Not tainted 5.9.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events_long defense_work_handler
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x198/0x1fd lib/dump_stack.c:118
assign_lock_key kernel/locking/lockdep.c:894 [inline]
register_lock_class+0x157d/0x1630 kernel/locking/lockdep.c:1206
__lock_acquire+0xf9/0x5570 kernel/locking/lockdep.c:4305
lock_acquire+0x1f3/0xae0 kernel/locking/lockdep.c:5006
__raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline]
_raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:151
spin_lock include/linux/spinlock.h:354 [inline]
update_defense_level+0xdc/0x10f0 net/netfilter/ipvs/ip_vs_ctl.c:113
defense_work_handler+0x25/0xe0 net/netfilter/ipvs/ip_vs_ctl.c:235
process_one_work+0x94c/0x1670 kernel/workqueue.c:2269
worker_thread+0x64c/0x1120 kernel/workqueue.c:2415
kthread+0x3b5/0x4a0 kernel/kthread.c:292
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
---
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reply other threads:[~2020-09-07 21:19 UTC|newest]
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