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: 26 Comm: kworker/1:1 Not tainted 5.14.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: usb_hub_wq hub_event
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:105
assign_lock_key kernel/locking/lockdep.c:939 [inline]
register_lock_class+0xf79/0x10c0 kernel/locking/lockdep.c:1251
__lock_acquire+0x105/0x54a0 kernel/locking/lockdep.c:4894
lock_acquire kernel/locking/lockdep.c:5625 [inline]
lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5590
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0x39/0x50 kernel/locking/spinlock.c:159
skb_queue_tail+0x21/0x140 net/core/skbuff.c:3263
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:1656
usb_hcd_giveback_urb+0x367/0x410 drivers/usb/core/hcd.c:1726
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+0x675/0xa20 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+0x16e/0x1c0 kernel/softirq.c:636
irq_exit_rcu+0x5/0x20 kernel/softirq.c:648
sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1100
asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:check_kcov_mode kernel/kcov.c:163 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x7/0x60 kernel/kcov.c:197
Code: fd ff ff b9 ff ff ff ff ba 08 00 00 00 4d 8b 03 48 0f bd ca 49 8b 45 00 48 63 c9 e9 64 ff ff ff 0f 1f 00 65 8b 05 99 46 8c 7e <89> c1 48 8b 34 24 81 e1 00 01 00 00 65 48 8b 14 25 40 f0 01 00 a9
RSP: 0018:ffffc90000e0f7b0 EFLAGS: 00000206
RAX: 0000000080000000 RBX: ffffffff8a281d09 RCX: 0000000000000004
RDX: 0000000000000000 RSI: ffff8880155db880 RDI: 0000000000000003
RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
R10: ffffffff81f29038 R11: 0000000000000000 R12: dffffc0000000000
R13: 000000008a281cff R14: 00000000110bc2d5 R15: ffffffff8a281d05
kernfs_name_hash+0x5c/0x120 fs/kernfs/dir.c:304
kernfs_find_ns+0x109/0x370 fs/kernfs/dir.c:797
kernfs_remove_by_name_ns+0x39/0xb0 fs/kernfs/dir.c:1515
kernfs_remove_by_name include/linux/kernfs.h:593 [inline]
remove_files+0x96/0x1c0 fs/sysfs/group.c:28
sysfs_remove_group+0x87/0x170 fs/sysfs/group.c:289
sysfs_remove_groups fs/sysfs/group.c:313 [inline]
sysfs_remove_groups+0x5c/0xa0 fs/sysfs/group.c:305
device_remove_groups drivers/base/core.c:2442 [inline]
device_remove_attrs+0xcb/0x170 drivers/base/core.c:2642
device_del+0x4fa/0xd40 drivers/base/core.c:3542
device_unregister+0x1f/0xc0 drivers/base/core.c:3576
usb_remove_ep_devs+0x3e/0x80 drivers/usb/core/endpoint.c:188
remove_intf_ep_devs drivers/usb/core/message.c:1267 [inline]
usb_disable_device+0x306/0x7b0 drivers/usb/core/message.c:1418
usb_disconnect.cold+0x27a/0x78e drivers/usb/core/hub.c:2225
hub_port_connect drivers/usb/core/hub.c:5199 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5488 [inline]
port_event drivers/usb/core/hub.c:5634 [inline]
hub_event+0x1c9c/0x4330 drivers/usb/core/hub.c:5716
process_one_work+0x98d/0x1630 kernel/workqueue.c:2276
worker_thread+0x658/0x11f0 kernel/workqueue.c:2422
kthread+0x3e5/0x4d0 kernel/kthread.c:319
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: 26 Comm: kworker/1:1 Not tainted 5.14.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: usb_hub_wq hub_event
RIP: 0010:__skb_insert include/linux/skbuff.h:1937 [inline]
RIP: 0010:__skb_queue_before include/linux/skbuff.h:2043 [inline]
RIP: 0010:__skb_queue_tail include/linux/skbuff.h:2076 [inline]
RIP: 0010:skb_queue_tail+0x9a/0x140 net/core/skbuff.c:3264
Code: 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 7b 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 4a 48 8d 7b 10 49 89 2c 24 48 b8 00 00 00 00 00 fc
RSP: 0018:ffffc90000dc09d8 EFLAGS: 00010046
RAX: dffffc0000000000 RBX: ffff88801c633730 RCX: ffffffff815b9480
RDX: 0000000000000000 RSI: 0000000000000046 RDI: ffff88801d38e008
RBP: ffff88801d38e000 R08: 0000000000000001 R09: 0000000000000003
R10: fffff520001b8129 R11: 0000000000000000 R12: 0000000000000000
R13: ffff88801c633748 R14: 00000000ffffa820 R15: ffffffff85090150
FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055c2a9d6d928 CR3: 000000001e033000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
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:1656
usb_hcd_giveback_urb+0x367/0x410 drivers/usb/core/hcd.c:1726
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+0x675/0xa20 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+0x16e/0x1c0 kernel/softirq.c:636
irq_exit_rcu+0x5/0x20 kernel/softirq.c:648
sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1100
asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:check_kcov_mode kernel/kcov.c:163 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x7/0x60 kernel/kcov.c:197
Code: fd ff ff b9 ff ff ff ff ba 08 00 00 00 4d 8b 03 48 0f bd ca 49 8b 45 00 48 63 c9 e9 64 ff ff ff 0f 1f 00 65 8b 05 99 46 8c 7e <89> c1 48 8b 34 24 81 e1 00 01 00 00 65 48 8b 14 25 40 f0 01 00 a9
RSP: 0018:ffffc90000e0f7b0 EFLAGS: 00000206
RAX: 0000000080000000 RBX: ffffffff8a281d09 RCX: 0000000000000004
RDX: 0000000000000000 RSI: ffff8880155db880 RDI: 0000000000000003
RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
R10: ffffffff81f29038 R11: 0000000000000000 R12: dffffc0000000000
R13: 000000008a281cff R14: 00000000110bc2d5 R15: ffffffff8a281d05
kernfs_name_hash+0x5c/0x120 fs/kernfs/dir.c:304
kernfs_find_ns+0x109/0x370 fs/kernfs/dir.c:797
kernfs_remove_by_name_ns+0x39/0xb0 fs/kernfs/dir.c:1515
kernfs_remove_by_name include/linux/kernfs.h:593 [inline]
remove_files+0x96/0x1c0 fs/sysfs/group.c:28
sysfs_remove_group+0x87/0x170 fs/sysfs/group.c:289
sysfs_remove_groups fs/sysfs/group.c:313 [inline]
sysfs_remove_groups+0x5c/0xa0 fs/sysfs/group.c:305
device_remove_groups drivers/base/core.c:2442 [inline]
device_remove_attrs+0xcb/0x170 drivers/base/core.c:2642
device_del+0x4fa/0xd40 drivers/base/core.c:3542
device_unregister+0x1f/0xc0 drivers/base/core.c:3576
usb_remove_ep_devs+0x3e/0x80 drivers/usb/core/endpoint.c:188
remove_intf_ep_devs drivers/usb/core/message.c:1267 [inline]
usb_disable_device+0x306/0x7b0 drivers/usb/core/message.c:1418
usb_disconnect.cold+0x27a/0x78e drivers/usb/core/hub.c:2225
hub_port_connect drivers/usb/core/hub.c:5199 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5488 [inline]
port_event drivers/usb/core/hub.c:5634 [inline]
hub_event+0x1c9c/0x4330 drivers/usb/core/hub.c:5716
process_one_work+0x98d/0x1630 kernel/workqueue.c:2276
worker_thread+0x658/0x11f0 kernel/workqueue.c:2422
kthread+0x3e5/0x4d0 kernel/kthread.c:319
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
Modules linked in:
---[ end trace 1c45dff05f7787c0 ]---
RIP: 0010:__skb_insert include/linux/skbuff.h:1937 [inline]
RIP: 0010:__skb_queue_before include/linux/skbuff.h:2043 [inline]
RIP: 0010:__skb_queue_tail include/linux/skbuff.h:2076 [inline]
RIP: 0010:skb_queue_tail+0x9a/0x140 net/core/skbuff.c:3264
Code: 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 7b 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 4a 48 8d 7b 10 49 89 2c 24 48 b8 00 00 00 00 00 fc
RSP: 0018:ffffc90000dc09d8 EFLAGS: 00010046
RAX: dffffc0000000000 RBX: ffff88801c633730 RCX: ffffffff815b9480
RDX: 0000000000000000 RSI: 0000000000000046 RDI: ffff88801d38e008
RBP: ffff88801d38e000 R08: 0000000000000001 R09: 0000000000000003
R10: fffff520001b8129 R11: 0000000000000000 R12: 0000000000000000
R13: ffff88801c633748 R14: 00000000ffffa820 R15: ffffffff85090150
FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055c2a9d6d928 CR3: 000000001e033000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess), 3 bytes skipped:
0: b9 ff ff ff ff mov $0xffffffff,%ecx
5: ba 08 00 00 00 mov $0x8,%edx
a: 4d 8b 03 mov (%r11),%r8
d: 48 0f bd ca bsr %rdx,%rcx
11: 49 8b 45 00 mov 0x0(%r13),%rax
15: 48 63 c9 movslq %ecx,%rcx
18: e9 64 ff ff ff jmpq 0xffffff81
1d: 0f 1f 00 nopl (%rax)
20: 65 8b 05 99 46 8c 7e mov %gs:0x7e8c4699(%rip),%eax # 0x7e8c46c0
* 27: 89 c1 mov %eax,%ecx <-- trapping instruction
29: 48 8b 34 24 mov (%rsp),%rsi
2d: 81 e1 00 01 00 00 and $0x100,%ecx
33: 65 48 8b 14 25 40 f0 mov %gs:0x1f040,%rdx
3a: 01 00
3c: a9 .byte 0xa9