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: 8215 Comm: udevd Not tainted 5.16.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 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+0xd28/0x1030 kernel/locking/lockdep.c:1263 __lock_acquire+0x106/0x5470 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:1663 usb_hcd_giveback_urb+0x367/0x410 drivers/usb/core/hcd.c:1733 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+0x288/0x9a5 kernel/softirq.c:558 invoke_softirq kernel/softirq.c:432 [inline] __irq_exit_rcu+0x113/0x170 kernel/softirq.c:637 irq_exit_rcu+0x5/0x20 kernel/softirq.c:649 sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1097 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:unwind_next_frame+0x830/0x1ce0 arch/x86/kernel/unwind_orc.c:466 Code: 07 38 d0 7f 08 84 c0 0f 85 12 12 00 00 41 80 7e 34 00 0f 85 00 fc ff ff 80 3d fe d8 9a 07 00 0f 85 f3 fb ff ff e9 53 4e 93 04 <48> b8 00 00 00 00 00 fc ff df 48 8b 54 24 08 48 c1 ea 03 80 3c 02 RSP: 0018:ffffc9000854f878 EFLAGS: 00000297 RAX: 0000000000000005 RBX: 1ffff920010a9f17 RCX: ffffffff8900fe7b RDX: 0000000000000005 RSI: 0000000000000001 RDI: 0000000000000001 RBP: 0000000000000001 R08: ffffffff8900fe76 R09: ffffc9000854f9a0 R10: fffff520010a9f3f R11: 000000000005003e R12: ffffc9000854f9e8 R13: ffffc9000854f9d5 R14: ffffc9000854f9a0 R15: ffffffff8900fe7a __unwind_start+0x51b/0x800 arch/x86/kernel/unwind_orc.c:712 unwind_start arch/x86/include/asm/unwind.h:64 [inline] arch_stack_walk+0x5c/0xe0 arch/x86/kernel/stacktrace.c:24 stack_trace_save+0x8c/0xc0 kernel/stacktrace.c:122 kasan_save_stack+0x1e/0x50 mm/kasan/common.c:38 kasan_set_track mm/kasan/common.c:46 [inline] set_alloc_info mm/kasan/common.c:437 [inline] __kasan_slab_alloc+0x66/0x80 mm/kasan/common.c:470 kasan_slab_alloc include/linux/kasan.h:260 [inline] slab_post_alloc_hook mm/slab.h:738 [inline] slab_alloc_node mm/slub.c:3230 [inline] slab_alloc mm/slub.c:3238 [inline] kmem_cache_alloc+0x241/0x480 mm/slub.c:3243 getname_flags.part.0+0x50/0x4f0 fs/namei.c:138 getname_flags include/linux/audit.h:323 [inline] getname+0x8e/0xd0 fs/namei.c:217 do_sys_openat2+0xf5/0x4d0 fs/open.c:1208 do_sys_open fs/open.c:1230 [inline] __do_sys_openat fs/open.c:1246 [inline] __se_sys_openat fs/open.c:1241 [inline] __x64_sys_openat+0x13f/0x1f0 fs/open.c:1241 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+0x44/0xae RIP: 0033:0x7f457b78e697 Code: 25 00 00 41 00 3d 00 00 41 00 74 37 64 8b 04 25 18 00 00 00 85 c0 75 5b 44 89 e2 48 89 ee bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 85 00 00 00 48 83 c4 68 5d 41 5c c3 0f 1f RSP: 002b:00007ffedd84a640 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 000055eb06a2da60 RCX: 00007f457b78e697 RDX: 0000000000080000 RSI: 00007ffedd84a778 RDI: 00000000ffffff9c RBP: 00007ffedd84a778 R08: 0000000000000008 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000080000 R13: 000055eb06a2da60 R14: 0000000000000001 R15: 000055eb050c3160 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: 8215 Comm: udevd Not tainted 5.16.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 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:ffffc900001589d8 EFLAGS: 00010046 RAX: dffffc0000000000 RBX: ffff88813ad4b878 RCX: ffffffff8129b320 RDX: 0000000000000000 RSI: 0000000000000012 RDI: ffff88812d39a3c8 RBP: ffff88812d39a3c0 R08: 0000000000000001 R09: 0000000000000003 R10: fffff5200002b129 R11: 0000000000000000 R12: 0000000000000000 R13: ffff88813ad4b890 R14: 0000000100034e43 R15: ffffffff83142ca0 FS: 00007f457b637840(0000) GS:ffff8881f6900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2c326000 CR3: 0000000116e18000 CR4: 00000000003506e0 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:1663 usb_hcd_giveback_urb+0x367/0x410 drivers/usb/core/hcd.c:1733 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+0x288/0x9a5 kernel/softirq.c:558 invoke_softirq kernel/softirq.c:432 [inline] __irq_exit_rcu+0x113/0x170 kernel/softirq.c:637 irq_exit_rcu+0x5/0x20 kernel/softirq.c:649 sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1097 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:unwind_next_frame+0x830/0x1ce0 arch/x86/kernel/unwind_orc.c:466 Code: 07 38 d0 7f 08 84 c0 0f 85 12 12 00 00 41 80 7e 34 00 0f 85 00 fc ff ff 80 3d fe d8 9a 07 00 0f 85 f3 fb ff ff e9 53 4e 93 04 <48> b8 00 00 00 00 00 fc ff df 48 8b 54 24 08 48 c1 ea 03 80 3c 02 RSP: 0018:ffffc9000854f878 EFLAGS: 00000297 RAX: 0000000000000005 RBX: 1ffff920010a9f17 RCX: ffffffff8900fe7b RDX: 0000000000000005 RSI: 0000000000000001 RDI: 0000000000000001 RBP: 0000000000000001 R08: ffffffff8900fe76 R09: ffffc9000854f9a0 R10: fffff520010a9f3f R11: 000000000005003e R12: ffffc9000854f9e8 R13: ffffc9000854f9d5 R14: ffffc9000854f9a0 R15: ffffffff8900fe7a __unwind_start+0x51b/0x800 arch/x86/kernel/unwind_orc.c:712 unwind_start arch/x86/include/asm/unwind.h:64 [inline] arch_stack_walk+0x5c/0xe0 arch/x86/kernel/stacktrace.c:24 stack_trace_save+0x8c/0xc0 kernel/stacktrace.c:122 kasan_save_stack+0x1e/0x50 mm/kasan/common.c:38 kasan_set_track mm/kasan/common.c:46 [inline] set_alloc_info mm/kasan/common.c:437 [inline] __kasan_slab_alloc+0x66/0x80 mm/kasan/common.c:470 kasan_slab_alloc include/linux/kasan.h:260 [inline] slab_post_alloc_hook mm/slab.h:738 [inline] slab_alloc_node mm/slub.c:3230 [inline] slab_alloc mm/slub.c:3238 [inline] kmem_cache_alloc+0x241/0x480 mm/slub.c:3243 getname_flags.part.0+0x50/0x4f0 fs/namei.c:138 getname_flags include/linux/audit.h:323 [inline] getname+0x8e/0xd0 fs/namei.c:217 do_sys_openat2+0xf5/0x4d0 fs/open.c:1208 do_sys_open fs/open.c:1230 [inline] __do_sys_openat fs/open.c:1246 [inline] __se_sys_openat fs/open.c:1241 [inline] __x64_sys_openat+0x13f/0x1f0 fs/open.c:1241 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+0x44/0xae RIP: 0033:0x7f457b78e697 Code: 25 00 00 41 00 3d 00 00 41 00 74 37 64 8b 04 25 18 00 00 00 85 c0 75 5b 44 89 e2 48 89 ee bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 85 00 00 00 48 83 c4 68 5d 41 5c c3 0f 1f RSP: 002b:00007ffedd84a640 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 000055eb06a2da60 RCX: 00007f457b78e697 RDX: 0000000000080000 RSI: 00007ffedd84a778 RDI: 00000000ffffff9c RBP: 00007ffedd84a778 R08: 0000000000000008 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000080000 R13: 000055eb06a2da60 R14: 0000000000000001 R15: 000055eb050c3160 Modules linked in: ---[ end trace 6612a481f8d76353 ]--- 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:ffffc900001589d8 EFLAGS: 00010046 RAX: dffffc0000000000 RBX: ffff88813ad4b878 RCX: ffffffff8129b320 RDX: 0000000000000000 RSI: 0000000000000012 RDI: ffff88812d39a3c8 RBP: ffff88812d39a3c0 R08: 0000000000000001 R09: 0000000000000003 R10: fffff5200002b129 R11: 0000000000000000 R12: 0000000000000000 R13: ffff88813ad4b890 R14: 0000000100034e43 R15: ffffffff83142ca0 FS: 00007f457b637840(0000) GS:ffff8881f6900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2c326000 CR3: 0000000116e18000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 38 d0 cmp %dl,%al 2: 7f 08 jg 0xc 4: 84 c0 test %al,%al 6: 0f 85 12 12 00 00 jne 0x121e c: 41 80 7e 34 00 cmpb $0x0,0x34(%r14) 11: 0f 85 00 fc ff ff jne 0xfffffc17 17: 80 3d fe d8 9a 07 00 cmpb $0x0,0x79ad8fe(%rip) # 0x79ad91c 1e: 0f 85 f3 fb ff ff jne 0xfffffc17 24: e9 53 4e 93 04 jmpq 0x4934e7c * 29: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax <-- trapping instruction 30: fc ff df 33: 48 8b 54 24 08 mov 0x8(%rsp),%rdx 38: 48 c1 ea 03 shr $0x3,%rdx 3c: 80 .byte 0x80 3d: 3c 02 cmp $0x2,%al