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: 0 PID: 0 Comm: swapper/0 Not tainted 6.0.0-syzkaller-09039-ga6afa4199d3d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 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:979 [inline] register_lock_class+0xf1b/0x1120 kernel/locking/lockdep.c:1292 __lock_acquire+0x109/0x56d0 kernel/locking/lockdep.c:4932 lock_acquire kernel/locking/lockdep.c:5666 [inline] lock_acquire+0x1ab/0x570 kernel/locking/lockdep.c:5631 __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:3503 ath9k_htc_txep+0x287/0x400 drivers/net/wireless/ath/ath9k/htc_drv_txrx.c:712 ath9k_htc_txcompletion_cb+0x1cd/0x2e0 drivers/net/wireless/ath/ath9k/htc_hst.c:353 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:1671 usb_hcd_giveback_urb+0x380/0x430 drivers/usb/core/hcd.c:1754 dummy_timer+0x11ff/0x32c0 drivers/usb/gadget/udc/dummy_hcd.c:1988 call_timer_fn+0x1a0/0x6b0 kernel/time/timer.c:1474 expire_timers kernel/time/timer.c:1519 [inline] __run_timers.part.0+0x674/0xa80 kernel/time/timer.c:1790 __run_timers kernel/time/timer.c:1768 [inline] run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1803 __do_softirq+0x1bd/0x9ab kernel/softirq.c:571 invoke_softirq kernel/softirq.c:445 [inline] __irq_exit_rcu+0x113/0x170 kernel/softirq.c:650 irq_exit_rcu+0x5/0x20 kernel/softirq.c:662 sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1107 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:649 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:130 [inline] RIP: 0010:acpi_safe_halt drivers/acpi/processor_idle.c:113 [inline] RIP: 0010:acpi_idle_do_entry+0x1fd/0x2a0 drivers/acpi/processor_idle.c:572 Code: 89 de e8 b6 7a 4d fb 84 db 75 ac e8 2d 7e 4d fb e8 28 eb 53 fb 66 90 e8 21 7e 4d fb 0f 00 2d 0a c7 73 00 e8 15 7e 4d fb fb f4 <9c> 5b 81 e3 00 02 00 00 fa 31 ff 48 89 de e8 e0 7a 4d fb 48 85 db RSP: 0018:ffffffff87807d30 EFLAGS: 00000293 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffffffff87852980 RSI: ffffffff85f8905b RDI: 0000000000000000 RBP: ffff888109a90864 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001 R13: ffff888109a90800 R14: ffff888109a90864 R15: ffff88810a491804 acpi_idle_enter+0x364/0x500 drivers/acpi/processor_idle.c:709 cpuidle_enter_state+0x1ab/0xd30 drivers/cpuidle/cpuidle.c:239 cpuidle_enter+0x4a/0xa0 drivers/cpuidle/cpuidle.c:356 call_cpuidle kernel/sched/idle.c:155 [inline] cpuidle_idle_call kernel/sched/idle.c:236 [inline] do_idle+0x3e8/0x590 kernel/sched/idle.c:303 cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:400 rest_init+0x169/0x270 init/main.c:727 arch_call_rest_init+0xf/0x14 init/main.c:883 start_kernel+0x46e/0x48f init/main.c:1138 secondary_startup_64_no_verify+0xce/0xdb general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.0.0-syzkaller-09039-ga6afa4199d3d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 RIP: 0010:__skb_insert include/linux/skbuff.h:2165 [inline] RIP: 0010:__skb_queue_before include/linux/skbuff.h:2271 [inline] RIP: 0010:__skb_queue_tail include/linux/skbuff.h:2304 [inline] RIP: 0010:skb_queue_tail+0x9e/0x140 net/core/skbuff.c:3504 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:ffffc900000079e0 EFLAGS: 00010046 RAX: dffffc0000000000 RBX: ffff88810e503838 RCX: ffffffff812a9b40 RDX: 0000000000000000 RSI: 0000000000000012 RDI: ffff8881387df3c8 RBP: ffff8881387df3c0 R08: 0000000000000001 R09: 0000000000000003 R10: fffff52000000f2a R11: 3e4b5341542f3c20 R12: 0000000000000000 R13: ffff88810e503850 R14: 00000001000398ca R15: ffffffff83308020 FS: 0000000000000000(0000) GS:ffff8881f6800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2d525000 CR3: 0000000138406000 CR4: 00000000003506f0 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/0x2e0 drivers/net/wireless/ath/ath9k/htc_hst.c:353 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:1671 usb_hcd_giveback_urb+0x380/0x430 drivers/usb/core/hcd.c:1754 dummy_timer+0x11ff/0x32c0 drivers/usb/gadget/udc/dummy_hcd.c:1988 call_timer_fn+0x1a0/0x6b0 kernel/time/timer.c:1474 expire_timers kernel/time/timer.c:1519 [inline] __run_timers.part.0+0x674/0xa80 kernel/time/timer.c:1790 __run_timers kernel/time/timer.c:1768 [inline] run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1803 __do_softirq+0x1bd/0x9ab kernel/softirq.c:571 invoke_softirq kernel/softirq.c:445 [inline] __irq_exit_rcu+0x113/0x170 kernel/softirq.c:650 irq_exit_rcu+0x5/0x20 kernel/softirq.c:662 sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1107 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:649 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:130 [inline] RIP: 0010:acpi_safe_halt drivers/acpi/processor_idle.c:113 [inline] RIP: 0010:acpi_idle_do_entry+0x1fd/0x2a0 drivers/acpi/processor_idle.c:572 Code: 89 de e8 b6 7a 4d fb 84 db 75 ac e8 2d 7e 4d fb e8 28 eb 53 fb 66 90 e8 21 7e 4d fb 0f 00 2d 0a c7 73 00 e8 15 7e 4d fb fb f4 <9c> 5b 81 e3 00 02 00 00 fa 31 ff 48 89 de e8 e0 7a 4d fb 48 85 db RSP: 0018:ffffffff87807d30 EFLAGS: 00000293 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffffffff87852980 RSI: ffffffff85f8905b RDI: 0000000000000000 RBP: ffff888109a90864 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001 R13: ffff888109a90800 R14: ffff888109a90864 R15: ffff88810a491804 acpi_idle_enter+0x364/0x500 drivers/acpi/processor_idle.c:709 cpuidle_enter_state+0x1ab/0xd30 drivers/cpuidle/cpuidle.c:239 cpuidle_enter+0x4a/0xa0 drivers/cpuidle/cpuidle.c:356 call_cpuidle kernel/sched/idle.c:155 [inline] cpuidle_idle_call kernel/sched/idle.c:236 [inline] do_idle+0x3e8/0x590 kernel/sched/idle.c:303 cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:400 rest_init+0x169/0x270 init/main.c:727 arch_call_rest_init+0xf/0x14 init/main.c:883 start_kernel+0x46e/0x48f init/main.c:1138 secondary_startup_64_no_verify+0xce/0xdb Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__skb_insert include/linux/skbuff.h:2165 [inline] RIP: 0010:__skb_queue_before include/linux/skbuff.h:2271 [inline] RIP: 0010:__skb_queue_tail include/linux/skbuff.h:2304 [inline] RIP: 0010:skb_queue_tail+0x9e/0x140 net/core/skbuff.c:3504 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:ffffc900000079e0 EFLAGS: 00010046 RAX: dffffc0000000000 RBX: ffff88810e503838 RCX: ffffffff812a9b40 RDX: 0000000000000000 RSI: 0000000000000012 RDI: ffff8881387df3c8 RBP: ffff8881387df3c0 R08: 0000000000000001 R09: 0000000000000003 R10: fffff52000000f2a R11: 3e4b5341542f3c20 R12: 0000000000000000 R13: ffff88810e503850 R14: 00000001000398ca R15: ffffffff83308020 FS: 0000000000000000(0000) GS:ffff8881f6800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2d525000 CR3: 0000000138406000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 89 de mov %ebx,%esi 2: e8 b6 7a 4d fb callq 0xfb4d7abd 7: 84 db test %bl,%bl 9: 75 ac jne 0xffffffb7 b: e8 2d 7e 4d fb callq 0xfb4d7e3d 10: e8 28 eb 53 fb callq 0xfb53eb3d 15: 66 90 xchg %ax,%ax 17: e8 21 7e 4d fb callq 0xfb4d7e3d 1c: 0f 00 2d 0a c7 73 00 verw 0x73c70a(%rip) # 0x73c72d 23: e8 15 7e 4d fb callq 0xfb4d7e3d 28: fb sti 29: f4 hlt * 2a: 9c pushfq <-- trapping instruction 2b: 5b pop %rbx 2c: 81 e3 00 02 00 00 and $0x200,%ebx 32: fa cli 33: 31 ff xor %edi,%edi 35: 48 89 de mov %rbx,%rsi 38: e8 e0 7a 4d fb callq 0xfb4d7b1d 3d: 48 85 db test %rbx,%rbx