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: 1306 Comm: syz-executor.1 Not tainted 5.19.0-syzkaller-13322-gd4252071b97d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 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:3396 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+0x1c0/0x9a9 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:1106 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:649 RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0x38/0x70 kernel/locking/spinlock.c:194 Code: 74 24 10 e8 9a 24 35 fb 48 89 ef e8 22 a6 35 fb 81 e3 00 02 00 00 75 25 9c 58 f6 c4 02 75 2d 48 85 db 74 01 fb bf 01 00 00 00 03 03 2b fb 65 8b 05 bc 77 0d 7a 85 c0 74 0a 5b 5d c3 e8 00 7f RSP: 0018:ffffc9000134fc78 EFLAGS: 00000206 RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff11bc681 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001 RBP: ffff888110610da0 R08: 0000000000000001 R09: 0000000000000001 R10: ffffed10220c21b4 R11: 0000000000000000 R12: 0000000000000000 R13: ffff88811d883900 R14: 0000000000000000 R15: ffff88811d883ea8 do_wait+0x664/0xce0 kernel/exit.c:1543 kernel_wait4+0x14c/0x260 kernel/exit.c:1681 __do_sys_wait4+0x13f/0x150 kernel/exit.c:1709 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f98fc87e6d6 Code: 1f 44 00 00 31 c9 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 49 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 11 b8 3d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 5a c3 90 48 83 ec 28 89 54 24 14 48 89 74 24 RSP: 002b:00007ffe8ef98128 EFLAGS: 00000246 ORIG_RAX: 000000000000003d RAX: ffffffffffffffda RBX: 00000000000005c6 RCX: 00007f98fc87e6d6 RDX: 0000000040000001 RSI: 00007ffe8ef9818c RDI: 00000000ffffffff RBP: 00007ffe8ef9818c R08: 00000000000003ca R09: 00007ffe8efe3080 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000032 R13: 00000000000ecce3 R14: 000000000000000b R15: 00007ffe8ef981f0 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: 1306 Comm: syz-executor.1 Not tainted 5.19.0-syzkaller-13322-gd4252071b97d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 RIP: 0010:__skb_insert include/linux/skbuff.h:2157 [inline] RIP: 0010:__skb_queue_before include/linux/skbuff.h:2263 [inline] RIP: 0010:__skb_queue_tail include/linux/skbuff.h:2296 [inline] RIP: 0010:skb_queue_tail+0x9e/0x140 net/core/skbuff.c:3397 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: ffff88810948b890 RCX: ffffffff812a99c0 RDX: 0000000000000000 RSI: 0000000000000016 RDI: ffff88811bc75008 RBP: ffff88811bc75000 R08: 0000000000000001 R09: 0000000000000003 R10: fffff52000000f2a R11: 3e4b5341542f3c20 R12: 0000000000000000 R13: ffff88810948b8a8 R14: 000000010001055c R15: ffffffff832c0940 FS: 000055555685f400(0000) GS:ffff8881f6800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555555c9eb38 CR3: 0000000136542000 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+0x1c0/0x9a9 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:1106 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:649 RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0x38/0x70 kernel/locking/spinlock.c:194 Code: 74 24 10 e8 9a 24 35 fb 48 89 ef e8 22 a6 35 fb 81 e3 00 02 00 00 75 25 9c 58 f6 c4 02 75 2d 48 85 db 74 01 fb bf 01 00 00 00 03 03 2b fb 65 8b 05 bc 77 0d 7a 85 c0 74 0a 5b 5d c3 e8 00 7f RSP: 0018:ffffc9000134fc78 EFLAGS: 00000206 RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff11bc681 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001 RBP: ffff888110610da0 R08: 0000000000000001 R09: 0000000000000001 R10: ffffed10220c21b4 R11: 0000000000000000 R12: 0000000000000000 R13: ffff88811d883900 R14: 0000000000000000 R15: ffff88811d883ea8 do_wait+0x664/0xce0 kernel/exit.c:1543 kernel_wait4+0x14c/0x260 kernel/exit.c:1681 __do_sys_wait4+0x13f/0x150 kernel/exit.c:1709 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f98fc87e6d6 Code: 1f 44 00 00 31 c9 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 49 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 11 b8 3d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 5a c3 90 48 83 ec 28 89 54 24 14 48 89 74 24 RSP: 002b:00007ffe8ef98128 EFLAGS: 00000246 ORIG_RAX: 000000000000003d RAX: ffffffffffffffda RBX: 00000000000005c6 RCX: 00007f98fc87e6d6 RDX: 0000000040000001 RSI: 00007ffe8ef9818c RDI: 00000000ffffffff RBP: 00007ffe8ef9818c R08: 00000000000003ca R09: 00007ffe8efe3080 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000032 R13: 00000000000ecce3 R14: 000000000000000b R15: 00007ffe8ef981f0 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__skb_insert include/linux/skbuff.h:2157 [inline] RIP: 0010:__skb_queue_before include/linux/skbuff.h:2263 [inline] RIP: 0010:__skb_queue_tail include/linux/skbuff.h:2296 [inline] RIP: 0010:skb_queue_tail+0x9e/0x140 net/core/skbuff.c:3397 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: ffff88810948b890 RCX: ffffffff812a99c0 RDX: 0000000000000000 RSI: 0000000000000016 RDI: ffff88811bc75008 RBP: ffff88811bc75000 R08: 0000000000000001 R09: 0000000000000003 R10: fffff52000000f2a R11: 3e4b5341542f3c20 R12: 0000000000000000 R13: ffff88810948b8a8 R14: 000000010001055c R15: ffffffff832c0940 FS: 000055555685f400(0000) GS:ffff8881f6800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555555c9eb38 CR3: 0000000136542000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 24 10 and $0x10,%al 2: e8 9a 24 35 fb callq 0xfb3524a1 7: 48 89 ef mov %rbp,%rdi a: e8 22 a6 35 fb callq 0xfb35a631 f: 81 e3 00 02 00 00 and $0x200,%ebx 15: 75 25 jne 0x3c 17: 9c pushfq 18: 58 pop %rax 19: f6 c4 02 test $0x2,%ah 1c: 75 2d jne 0x4b 1e: 48 85 db test %rbx,%rbx 21: 74 01 je 0x24 23: fb sti 24: bf 01 00 00 00 mov $0x1,%edi * 29: e8 03 03 2b fb callq 0xfb2b0331 <-- trapping instruction 2e: 65 8b 05 bc 77 0d 7a mov %gs:0x7a0d77bc(%rip),%eax # 0x7a0d77f1 35: 85 c0 test %eax,%eax 37: 74 0a je 0x43 39: 5b pop %rbx 3a: 5d pop %rbp 3b: c3 retq 3c: e8 .byte 0xe8 3d: 00 .byte 0x0 3e: 7f .byte 0x7f