INFO: trying to register non-static key.
the code is fine but needs lockdep annotation.
turning off the locking correctness validator.
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.12.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:79 [inline]
 dump_stack+0xfa/0x151 lib/dump_stack.c:120
 assign_lock_key kernel/locking/lockdep.c:935 [inline]
 register_lock_class+0xf34/0x1100 kernel/locking/lockdep.c:1247
 __lock_acquire+0x106/0x5470 kernel/locking/lockdep.c:4779
 lock_acquire kernel/locking/lockdep.c:5510 [inline]
 lock_acquire+0x19d/0x6f0 kernel/locking/lockdep.c:5475
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0x36/0x50 kernel/locking/spinlock.c:159
 ath9k_htc_rxep+0x31/0x240 drivers/net/wireless/ath/ath9k/htc_drv_txrx.c:1133
 ath9k_htc_rx_msg+0x2e4/0xb70 drivers/net/wireless/ath/ath9k/htc_hst.c:461
 ath9k_hif_usb_reg_in_cb+0x1ac/0x630 drivers/net/wireless/ath/ath9k/hif_usb.c:733
 __usb_hcd_giveback_urb+0x2b0/0x5c0 drivers/usb/core/hcd.c:1656
 usb_hcd_giveback_urb+0x38c/0x430 drivers/usb/core/hcd.c:1726
 dummy_timer+0x11f4/0x32a0 drivers/usb/gadget/udc/dummy_hcd.c:1971
 call_timer_fn+0x1a5/0x690 kernel/time/timer.c:1431
 expire_timers kernel/time/timer.c:1476 [inline]
 __run_timers.part.0+0x692/0xa50 kernel/time/timer.c:1745
 __run_timers kernel/time/timer.c:1726 [inline]
 run_timer_softirq+0x80/0x120 kernel/time/timer.c:1758
 __do_softirq+0x1b0/0x98e kernel/softirq.c:345
 invoke_softirq kernel/softirq.c:221 [inline]
 __irq_exit_rcu+0x119/0x1b0 kernel/softirq.c:422
 irq_exit_rcu+0x5/0x10 kernel/softirq.c:434
 sysvec_apic_timer_interrupt+0x6a/0x90 arch/x86/kernel/apic/apic.c:1100
 </IRQ>
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:632
RIP: 0010:native_save_fl arch/x86/include/asm/irqflags.h:29 [inline]
RIP: 0010:arch_local_save_flags arch/x86/include/asm/irqflags.h:70 [inline]
RIP: 0010:arch_irqs_disabled arch/x86/include/asm/irqflags.h:137 [inline]
RIP: 0010:acpi_safe_halt drivers/acpi/processor_idle.c:111 [inline]
RIP: 0010:acpi_idle_do_entry+0x1c9/0x250 drivers/acpi/processor_idle.c:516
Code: 2d 27 7a fb 84 db 75 ac e8 b4 20 7a fb e8 ff f5 7f fb e9 0c 00 00 00 e8 a5 20 7a fb 0f 00 2d ce 9c 82 00 e8 99 20 7a fb fb f4 <9c> 5b 81 e3 00 02 00 00 fa 31 ff 48 89 de e8 64 28 7a fb 48 85 db
RSP: 0018:ffffffff87407d60 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffffffff87431a40 RSI: ffffffff85c62817 RDI: ffffffff85c62801
RBP: ffff8881003cd864 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff81461e38 R11: 0000000000000000 R12: 0000000000000001
R13: ffff8881003cd800 R14: ffff8881003cd864 R15: ffff8881061ec804
 acpi_idle_enter+0x355/0x4f0 drivers/acpi/processor_idle.c:647
 cpuidle_enter_state+0x1b1/0xc80 drivers/cpuidle/cpuidle.c:237
 cpuidle_enter+0x4a/0xa0 drivers/cpuidle/cpuidle.c:351
 call_cpuidle kernel/sched/idle.c:158 [inline]
 cpuidle_idle_call kernel/sched/idle.c:239 [inline]
 do_idle+0x3df/0x580 kernel/sched/idle.c:300
 cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:397
 start_kernel+0x498/0x4b9 init/main.c:1064
 secondary_startup_64_no_verify+0xb0/0xbb
BUG: unable to handle page fault for address: ffffffffffffffc8
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 7426067 P4D 7426067 PUD 7428067 PMD 0 
Oops: 0000 [#1] SMP KASAN
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.12.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:ath9k_htc_rxep+0xbd/0x240 drivers/net/wireless/ath/ath9k/htc_drv_txrx.c:1135
Code: 39 c4 0f 84 16 01 00 00 e8 c0 a5 3e fe 48 89 d8 48 89 da 48 c1 e8 03 83 e2 07 0f b6 04 28 38 d0 7f 08 84 c0 0f 85 2a 01 00 00 <44> 0f b6 3b bf 01 00 00 00 44 89 fe e8 02 ac 3e fe 41 80 ff 01 0f
RSP: 0018:ffffc900000079b8 EFLAGS: 00010046
RAX: 0000000000000000 RBX: ffffffffffffffc8 RCX: 0000000000000100
RDX: 0000000000000000 RSI: ffffffff8301a2f0 RDI: ffffc90000007928
RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000003
R10: fffff52000000f25 R11: fffff52000000e9c R12: ffff88811d173618
R13: ffff88811d1731e0 R14: ffff88811d173628 R15: ffff8881017da7a8
FS:  0000000000000000(0000) GS:ffff8881f6a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffc8 CR3: 0000000102a59000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 ath9k_htc_rx_msg+0x2e4/0xb70 drivers/net/wireless/ath/ath9k/htc_hst.c:461
 ath9k_hif_usb_reg_in_cb+0x1ac/0x630 drivers/net/wireless/ath/ath9k/hif_usb.c:733
 __usb_hcd_giveback_urb+0x2b0/0x5c0 drivers/usb/core/hcd.c:1656
 usb_hcd_giveback_urb+0x38c/0x430 drivers/usb/core/hcd.c:1726
 dummy_timer+0x11f4/0x32a0 drivers/usb/gadget/udc/dummy_hcd.c:1971
 call_timer_fn+0x1a5/0x690 kernel/time/timer.c:1431
 expire_timers kernel/time/timer.c:1476 [inline]
 __run_timers.part.0+0x692/0xa50 kernel/time/timer.c:1745
 __run_timers kernel/time/timer.c:1726 [inline]
 run_timer_softirq+0x80/0x120 kernel/time/timer.c:1758
 __do_softirq+0x1b0/0x98e kernel/softirq.c:345
 invoke_softirq kernel/softirq.c:221 [inline]
 __irq_exit_rcu+0x119/0x1b0 kernel/softirq.c:422
 irq_exit_rcu+0x5/0x10 kernel/softirq.c:434
 sysvec_apic_timer_interrupt+0x6a/0x90 arch/x86/kernel/apic/apic.c:1100
 </IRQ>
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:632
RIP: 0010:native_save_fl arch/x86/include/asm/irqflags.h:29 [inline]
RIP: 0010:arch_local_save_flags arch/x86/include/asm/irqflags.h:70 [inline]
RIP: 0010:arch_irqs_disabled arch/x86/include/asm/irqflags.h:137 [inline]
RIP: 0010:acpi_safe_halt drivers/acpi/processor_idle.c:111 [inline]
RIP: 0010:acpi_idle_do_entry+0x1c9/0x250 drivers/acpi/processor_idle.c:516
Code: 2d 27 7a fb 84 db 75 ac e8 b4 20 7a fb e8 ff f5 7f fb e9 0c 00 00 00 e8 a5 20 7a fb 0f 00 2d ce 9c 82 00 e8 99 20 7a fb fb f4 <9c> 5b 81 e3 00 02 00 00 fa 31 ff 48 89 de e8 64 28 7a fb 48 85 db
RSP: 0018:ffffffff87407d60 EFLAGS: 00000293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffffffff87431a40 RSI: ffffffff85c62817 RDI: ffffffff85c62801
RBP: ffff8881003cd864 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff81461e38 R11: 0000000000000000 R12: 0000000000000001
R13: ffff8881003cd800 R14: ffff8881003cd864 R15: ffff8881061ec804
 acpi_idle_enter+0x355/0x4f0 drivers/acpi/processor_idle.c:647
 cpuidle_enter_state+0x1b1/0xc80 drivers/cpuidle/cpuidle.c:237
 cpuidle_enter+0x4a/0xa0 drivers/cpuidle/cpuidle.c:351
 call_cpuidle kernel/sched/idle.c:158 [inline]
 cpuidle_idle_call kernel/sched/idle.c:239 [inline]
 do_idle+0x3df/0x580 kernel/sched/idle.c:300
 cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:397
 start_kernel+0x498/0x4b9 init/main.c:1064
 secondary_startup_64_no_verify+0xb0/0xbb
Modules linked in:
CR2: ffffffffffffffc8
---[ end trace 97d3da0ec29afc8f ]---
RIP: 0010:ath9k_htc_rxep+0xbd/0x240 drivers/net/wireless/ath/ath9k/htc_drv_txrx.c:1135
Code: 39 c4 0f 84 16 01 00 00 e8 c0 a5 3e fe 48 89 d8 48 89 da 48 c1 e8 03 83 e2 07 0f b6 04 28 38 d0 7f 08 84 c0 0f 85 2a 01 00 00 <44> 0f b6 3b bf 01 00 00 00 44 89 fe e8 02 ac 3e fe 41 80 ff 01 0f
RSP: 0018:ffffc900000079b8 EFLAGS: 00010046
RAX: 0000000000000000 RBX: ffffffffffffffc8 RCX: 0000000000000100
RDX: 0000000000000000 RSI: ffffffff8301a2f0 RDI: ffffc90000007928
RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000003
R10: fffff52000000f25 R11: fffff52000000e9c R12: ffff88811d173618
R13: ffff88811d1731e0 R14: ffff88811d173628 R15: ffff8881017da7a8
FS:  0000000000000000(0000) GS:ffff8881f6a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffc8 CR3: 0000000102a59000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400