INFO: trying to register non-static key.
The code is fine but needs lockdep annotation, or maybe
you didn't initialize this object before use?
turning off the locking correctness validator.
CPU: 1 PID: 12763 Comm: kworker/u4:14 Not tainted 5.17.0-rc5-syzkaller-00306-g2293be58d6a1 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: netns cleanup_net
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
assign_lock_key kernel/locking/lockdep.c:951 [inline]
register_lock_class+0xf1b/0x11a0 kernel/locking/lockdep.c:1263
__lock_acquire+0x10b/0x56c0 kernel/locking/lockdep.c:4906
lock_acquire kernel/locking/lockdep.c:5639 [inline]
lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5604
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0x39/0x50 kernel/locking/spinlock.c:162
skb_queue_tail+0x21/0x140 net/core/skbuff.c:3341
ath9k_htc_txep+0x287/0x400 drivers/net/wireless/ath/ath9k/htc_drv_txrx.c:712
ath9k_htc_txcompletion_cb+0x1cd/0x2f0 drivers/net/wireless/ath/ath9k/htc_hst.c:348
hif_usb_regout_cb+0x115/0x1c0 drivers/net/wireless/ath/ath9k/hif_usb.c:90
__usb_hcd_giveback_urb+0x2b0/0x5c0 drivers/usb/core/hcd.c:1670
usb_hcd_giveback_urb+0x367/0x410 drivers/usb/core/hcd.c:1747
dummy_timer+0x11f9/0x32b0 drivers/usb/gadget/udc/dummy_hcd.c:1987
call_timer_fn+0x1a5/0x6b0 kernel/time/timer.c:1421
expire_timers kernel/time/timer.c:1466 [inline]
__run_timers.part.0+0x67c/0xa30 kernel/time/timer.c:1734
__run_timers kernel/time/timer.c:1715 [inline]
run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1747
__do_softirq+0x29b/0x9c2 kernel/softirq.c:558
invoke_softirq kernel/softirq.c:432 [inline]
__irq_exit_rcu+0x123/0x180 kernel/softirq.c:637
irq_exit_rcu+0x5/0x20 kernel/softirq.c:649
sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1097
asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:lock_acquire+0x201/0x510 kernel/locking/lockdep.c:5643
Code: 85 9f 02 00 00 48 83 7c 24 08 00 74 01 fb 48 b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00 00 00 00 48 c7 43 08 00 00 00 00 <48> 8b 84 24 a8 00 00 00 65 48 2b 04 25 28 00 00 00 0f 85 a3 02 00
RSP: 0018:ffffc90010607a60 EFLAGS: 00000286
RAX: dffffc0000000000 RBX: fffff520020c0f4e RCX: f3e1127da191b3f9
RDX: 1ffff1100f7ff4eb RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8ffc4947
R10: fffffbfff1ff8928 R11: 0000000000000001 R12: 0000000000000002
R13: 0000000000000000 R14: ffffffff8bb845e0 R15: 0000000000000000
rcu_lock_acquire include/linux/rcupdate.h:268 [inline]
rcu_read_lock include/linux/rcupdate.h:694 [inline]
inet_twsk_purge+0x117/0x7d0 net/ipv4/inet_timewait_sock.c:268
ops_exit_list+0x125/0x170 net/core/net_namespace.c:173
cleanup_net+0x4ea/0xb00 net/core/net_namespace.c:597
process_one_work+0x9ac/0x1650 kernel/workqueue.c:2307
worker_thread+0x657/0x1110 kernel/workqueue.c:2454
kthread+0x2e9/0x3a0 kernel/kthread.c:377
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 1 PID: 12763 Comm: kworker/u4:14 Not tainted 5.17.0-rc5-syzkaller-00306-g2293be58d6a1 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: netns cleanup_net
RIP: 0010:__skb_insert include/linux/skbuff.h:2011 [inline]
RIP: 0010:__skb_queue_before include/linux/skbuff.h:2117 [inline]
RIP: 0010:__skb_queue_tail include/linux/skbuff.h:2150 [inline]
RIP: 0010:skb_queue_tail+0x9e/0x140 net/core/skbuff.c:3342
Code: 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 80 00 00 00 4c 89 e2 4c 89 65 08 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 48 89 6b 08 <80> 3c 02 00 75 4f 48 8d 7b 10 49 89 2c 24 48 b8 00 00 00 00 00 fc
RSP: 0018:ffffc90000dc09d8 EFLAGS: 00010046
RAX: dffffc0000000000 RBX: ffff88807d393838 RCX: ffffffff815df390
RDX: 0000000000000000 RSI: 0000000000000012 RDI: ffff888079d9d648
RBP: ffff888079d9d640 R08: 0000000000000001 R09: 0000000000000003
R10: fffff520001b8129 R11: 0000000000000000 R12: 0000000000000000
R13: ffff88807d393850 R14: 0000000100025057 R15: ffffffff851aeca0
FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3afd0342d8 CR3: 00000000500e9000 CR4: 00000000003506e0
Call Trace:
ath9k_htc_txep+0x287/0x400 drivers/net/wireless/ath/ath9k/htc_drv_txrx.c:712
ath9k_htc_txcompletion_cb+0x1cd/0x2f0 drivers/net/wireless/ath/ath9k/htc_hst.c:348
hif_usb_regout_cb+0x115/0x1c0 drivers/net/wireless/ath/ath9k/hif_usb.c:90
__usb_hcd_giveback_urb+0x2b0/0x5c0 drivers/usb/core/hcd.c:1670
usb_hcd_giveback_urb+0x367/0x410 drivers/usb/core/hcd.c:1747
dummy_timer+0x11f9/0x32b0 drivers/usb/gadget/udc/dummy_hcd.c:1987
call_timer_fn+0x1a5/0x6b0 kernel/time/timer.c:1421
expire_timers kernel/time/timer.c:1466 [inline]
__run_timers.part.0+0x67c/0xa30 kernel/time/timer.c:1734
__run_timers kernel/time/timer.c:1715 [inline]
run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1747
__do_softirq+0x29b/0x9c2 kernel/softirq.c:558
invoke_softirq kernel/softirq.c:432 [inline]
__irq_exit_rcu+0x123/0x180 kernel/softirq.c:637
irq_exit_rcu+0x5/0x20 kernel/softirq.c:649
sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1097
asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:lock_acquire+0x201/0x510 kernel/locking/lockdep.c:5643
Code: 85 9f 02 00 00 48 83 7c 24 08 00 74 01 fb 48 b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00 00 00 00 48 c7 43 08 00 00 00 00 <48> 8b 84 24 a8 00 00 00 65 48 2b 04 25 28 00 00 00 0f 85 a3 02 00
RSP: 0018:ffffc90010607a60 EFLAGS: 00000286
RAX: dffffc0000000000 RBX: fffff520020c0f4e RCX: f3e1127da191b3f9
RDX: 1ffff1100f7ff4eb RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8ffc4947
R10: fffffbfff1ff8928 R11: 0000000000000001 R12: 0000000000000002
R13: 0000000000000000 R14: ffffffff8bb845e0 R15: 0000000000000000
rcu_lock_acquire include/linux/rcupdate.h:268 [inline]
rcu_read_lock include/linux/rcupdate.h:694 [inline]
inet_twsk_purge+0x117/0x7d0 net/ipv4/inet_timewait_sock.c:268
ops_exit_list+0x125/0x170 net/core/net_namespace.c:173
cleanup_net+0x4ea/0xb00 net/core/net_namespace.c:597
process_one_work+0x9ac/0x1650 kernel/workqueue.c:2307
worker_thread+0x657/0x1110 kernel/workqueue.c:2454
kthread+0x2e9/0x3a0 kernel/kthread.c:377
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__skb_insert include/linux/skbuff.h:2011 [inline]
RIP: 0010:__skb_queue_before include/linux/skbuff.h:2117 [inline]
RIP: 0010:__skb_queue_tail include/linux/skbuff.h:2150 [inline]
RIP: 0010:skb_queue_tail+0x9e/0x140 net/core/skbuff.c:3342
Code: 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 80 00 00 00 4c 89 e2 4c 89 65 08 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 48 89 6b 08 <80> 3c 02 00 75 4f 48 8d 7b 10 49 89 2c 24 48 b8 00 00 00 00 00 fc
RSP: 0018:ffffc90000dc09d8 EFLAGS: 00010046
RAX: dffffc0000000000 RBX: ffff88807d393838 RCX: ffffffff815df390
RDX: 0000000000000000 RSI: 0000000000000012 RDI: ffff888079d9d648
RBP: ffff888079d9d640 R08: 0000000000000001 R09: 0000000000000003
R10: fffff520001b8129 R11: 0000000000000000 R12: 0000000000000000
R13: ffff88807d393850 R14: 0000000100025057 R15: ffffffff851aeca0
FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3afd0342d8 CR3: 00000000500e9000 CR4: 00000000003506e0
----------------
Code disassembly (best guess):
0: 85 9f 02 00 00 48 test %ebx,0x48000002(%rdi)
6: 83 7c 24 08 00 cmpl $0x0,0x8(%rsp)
b: 74 01 je 0xe
d: fb sti
e: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
15: fc ff df
18: 48 01 c3 add %rax,%rbx
1b: 48 c7 03 00 00 00 00 movq $0x0,(%rbx)
22: 48 c7 43 08 00 00 00 movq $0x0,0x8(%rbx)
29: 00
* 2a: 48 8b 84 24 a8 00 00 mov 0xa8(%rsp),%rax <-- trapping instruction
31: 00
32: 65 48 2b 04 25 28 00 sub %gs:0x28,%rax
39: 00 00
3b: 0f .byte 0xf
3c: 85 .byte 0x85
3d: a3 .byte 0xa3
3e: 02 00 add (%rax),%al