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: 2355 Comm: udevd Not tainted 6.3.0-syzkaller-10620-g33afd4b76393 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd9/0x150 lib/dump_stack.c:106 assign_lock_key kernel/locking/lockdep.c:982 [inline] register_lock_class+0xdb6/0x1120 kernel/locking/lockdep.c:1295 __lock_acquire+0x10a/0x5df0 kernel/locking/lockdep.c:4951 lock_acquire kernel/locking/lockdep.c:5691 [inline] lock_acquire+0x1b1/0x520 kernel/locking/lockdep.c:5656 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x3d/0x60 kernel/locking/spinlock.c:162 skb_queue_tail+0x25/0x150 net/core/skbuff.c:3736 ath9k_htc_txep+0x28b/0x400 drivers/net/wireless/ath/ath9k/htc_drv_txrx.c:712 ath9k_htc_txcompletion_cb+0x1d1/0x2f0 drivers/net/wireless/ath/ath9k/htc_hst.c:353 hif_usb_regout_cb+0x119/0x1d0 drivers/net/wireless/ath/ath9k/hif_usb.c:88 __usb_hcd_giveback_urb+0x2b6/0x5c0 drivers/usb/core/hcd.c:1671 usb_hcd_giveback_urb+0x384/0x430 drivers/usb/core/hcd.c:1754 dummy_timer+0x13b6/0x3400 drivers/usb/gadget/udc/dummy_hcd.c:1988 call_timer_fn+0x1a0/0x580 kernel/time/timer.c:1700 expire_timers+0x29b/0x4b0 kernel/time/timer.c:1751 __run_timers kernel/time/timer.c:2022 [inline] __run_timers kernel/time/timer.c:1995 [inline] run_timer_softirq+0x326/0x910 kernel/time/timer.c:2035 __do_softirq+0x1c1/0x8e8 kernel/softirq.c:571 invoke_softirq kernel/softirq.c:445 [inline] __irq_exit_rcu kernel/softirq.c:650 [inline] irq_exit_rcu+0x11b/0x190 kernel/softirq.c:662 sysvec_apic_timer_interrupt+0x92/0xc0 arch/x86/kernel/apic/apic.c:1106 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645 RIP: 0010:get_current arch/x86/include/asm/current.h:41 [inline] RIP: 0010:__might_resched+0x37b/0x580 kernel/sched/core.c:10028 Code: 0c 00 e8 88 16 fc 04 31 f6 bf 09 00 00 00 48 83 c4 10 5b 5d 41 5c 41 5d 41 5e e9 a0 4d f4 ff 9c 58 f6 c4 02 0f 84 15 fd ff ff <65> 4c 8b 2c 25 00 aa 03 00 49 8d 7d 2c 48 b8 00 00 00 00 00 fc ff RSP: 0018:ffffc90000587c98 EFLAGS: 00000202 RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000001 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8881186503f4 RBP: ffffffff86747240 R08: 0000000000000007 R09: 0000000000000000 R10: ffff88811a9a4c80 R11: 0000000000000000 R12: 0000000000000031 R13: 0000000000000000 R14: ffff888118650000 R15: 000000000000000c percpu_down_read include/linux/percpu-rwsem.h:49 [inline] __sb_start_write include/linux/fs.h:1480 [inline] sb_start_write include/linux/fs.h:1555 [inline] mnt_want_write+0x48/0x420 fs/namespace.c:394 vfs_utimes+0x651/0x800 fs/utimes.c:36 do_utimes_fd fs/utimes.c:120 [inline] do_utimes+0xab/0xf0 fs/utimes.c:144 __do_sys_utimensat fs/utimes.c:164 [inline] __se_sys_utimensat fs/utimes.c:148 [inline] __x64_sys_utimensat+0x194/0x250 fs/utimes.c:148 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fea1b36afcc Code: d8 64 89 02 48 83 c8 ff 89 ef 48 89 44 24 08 e8 99 00 fa ff 48 8b 44 24 08 48 83 c4 30 5d c3 c3 41 89 ca b8 18 01 00 00 0f 05 <48> 3d 00 f0 ff ff 76 10 48 8b 15 2d 6e 0d 00 f7 d8 64 89 02 48 83 RSP: 002b:00007fff4a6b71c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000118 RAX: ffffffffffffffda RBX: 0000561555d9c040 RCX: 00007fea1b36afcc RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000000000c RBP: 000000000000000c R08: 00000000ffffffff R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: ffffffffffffffff R14: 00000000ffffffff R15: 00000000ffffffff 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: 2355 Comm: udevd Not tainted 6.3.0-syzkaller-10620-g33afd4b76393 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 RIP: 0010:__skb_insert include/linux/skbuff.h:2195 [inline] RIP: 0010:__skb_queue_before include/linux/skbuff.h:2301 [inline] RIP: 0010:__skb_queue_tail include/linux/skbuff.h:2334 [inline] RIP: 0010:skb_queue_tail+0xa2/0x150 net/core/skbuff.c:3737 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:ffffc900000079f8 EFLAGS: 00010046 RAX: dffffc0000000000 RBX: ffff88811d4bb878 RCX: ffffffff812d1704 RDX: 0000000000000000 RSI: 0000000000000012 RDI: ffff88813a3518c8 RBP: ffff88813a3518c0 R08: 0000000000000001 R09: 0000000000000003 R10: fffff52000000f2d R11: 205d304320202020 R12: 0000000000000000 R13: ffff88811d4bb890 R14: 000000010002b69b R15: ffffffff835ae160 FS: 00007fea1b23cc80(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020002000 CR3: 000000010cf22000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ath9k_htc_txep+0x28b/0x400 drivers/net/wireless/ath/ath9k/htc_drv_txrx.c:712 ath9k_htc_txcompletion_cb+0x1d1/0x2f0 drivers/net/wireless/ath/ath9k/htc_hst.c:353 hif_usb_regout_cb+0x119/0x1d0 drivers/net/wireless/ath/ath9k/hif_usb.c:88 __usb_hcd_giveback_urb+0x2b6/0x5c0 drivers/usb/core/hcd.c:1671 usb_hcd_giveback_urb+0x384/0x430 drivers/usb/core/hcd.c:1754 dummy_timer+0x13b6/0x3400 drivers/usb/gadget/udc/dummy_hcd.c:1988 call_timer_fn+0x1a0/0x580 kernel/time/timer.c:1700 expire_timers+0x29b/0x4b0 kernel/time/timer.c:1751 __run_timers kernel/time/timer.c:2022 [inline] __run_timers kernel/time/timer.c:1995 [inline] run_timer_softirq+0x326/0x910 kernel/time/timer.c:2035 __do_softirq+0x1c1/0x8e8 kernel/softirq.c:571 invoke_softirq kernel/softirq.c:445 [inline] __irq_exit_rcu kernel/softirq.c:650 [inline] irq_exit_rcu+0x11b/0x190 kernel/softirq.c:662 sysvec_apic_timer_interrupt+0x92/0xc0 arch/x86/kernel/apic/apic.c:1106 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645 RIP: 0010:get_current arch/x86/include/asm/current.h:41 [inline] RIP: 0010:__might_resched+0x37b/0x580 kernel/sched/core.c:10028 Code: 0c 00 e8 88 16 fc 04 31 f6 bf 09 00 00 00 48 83 c4 10 5b 5d 41 5c 41 5d 41 5e e9 a0 4d f4 ff 9c 58 f6 c4 02 0f 84 15 fd ff ff <65> 4c 8b 2c 25 00 aa 03 00 49 8d 7d 2c 48 b8 00 00 00 00 00 fc ff RSP: 0018:ffffc90000587c98 EFLAGS: 00000202 RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000001 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8881186503f4 RBP: ffffffff86747240 R08: 0000000000000007 R09: 0000000000000000 R10: ffff88811a9a4c80 R11: 0000000000000000 R12: 0000000000000031 R13: 0000000000000000 R14: ffff888118650000 R15: 000000000000000c percpu_down_read include/linux/percpu-rwsem.h:49 [inline] __sb_start_write include/linux/fs.h:1480 [inline] sb_start_write include/linux/fs.h:1555 [inline] mnt_want_write+0x48/0x420 fs/namespace.c:394 vfs_utimes+0x651/0x800 fs/utimes.c:36 do_utimes_fd fs/utimes.c:120 [inline] do_utimes+0xab/0xf0 fs/utimes.c:144 __do_sys_utimensat fs/utimes.c:164 [inline] __se_sys_utimensat fs/utimes.c:148 [inline] __x64_sys_utimensat+0x194/0x250 fs/utimes.c:148 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fea1b36afcc Code: d8 64 89 02 48 83 c8 ff 89 ef 48 89 44 24 08 e8 99 00 fa ff 48 8b 44 24 08 48 83 c4 30 5d c3 c3 41 89 ca b8 18 01 00 00 0f 05 <48> 3d 00 f0 ff ff 76 10 48 8b 15 2d 6e 0d 00 f7 d8 64 89 02 48 83 RSP: 002b:00007fff4a6b71c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000118 RAX: ffffffffffffffda RBX: 0000561555d9c040 RCX: 00007fea1b36afcc RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000000000c RBP: 000000000000000c R08: 00000000ffffffff R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: ffffffffffffffff R14: 00000000ffffffff R15: 00000000ffffffff Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__skb_insert include/linux/skbuff.h:2195 [inline] RIP: 0010:__skb_queue_before include/linux/skbuff.h:2301 [inline] RIP: 0010:__skb_queue_tail include/linux/skbuff.h:2334 [inline] RIP: 0010:skb_queue_tail+0xa2/0x150 net/core/skbuff.c:3737 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:ffffc900000079f8 EFLAGS: 00010046 RAX: dffffc0000000000 RBX: ffff88811d4bb878 RCX: ffffffff812d1704 RDX: 0000000000000000 RSI: 0000000000000012 RDI: ffff88813a3518c8 RBP: ffff88813a3518c0 R08: 0000000000000001 R09: 0000000000000003 R10: fffff52000000f2d R11: 205d304320202020 R12: 0000000000000000 R13: ffff88811d4bb890 R14: 000000010002b69b R15: ffffffff835ae160 FS: 00007fea1b23cc80(0000) GS:ffff8881f6600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020002000 CR3: 000000010cf22000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 0c 00 or $0x0,%al 2: e8 88 16 fc 04 callq 0x4fc168f 7: 31 f6 xor %esi,%esi 9: bf 09 00 00 00 mov $0x9,%edi e: 48 83 c4 10 add $0x10,%rsp 12: 5b pop %rbx 13: 5d pop %rbp 14: 41 5c pop %r12 16: 41 5d pop %r13 18: 41 5e pop %r14 1a: e9 a0 4d f4 ff jmpq 0xfff44dbf 1f: 9c pushfq 20: 58 pop %rax 21: f6 c4 02 test $0x2,%ah 24: 0f 84 15 fd ff ff je 0xfffffd3f * 2a: 65 4c 8b 2c 25 00 aa mov %gs:0x3aa00,%r13 <-- trapping instruction 31: 03 00 33: 49 8d 7d 2c lea 0x2c(%r13),%rdi 37: 48 rex.W 38: b8 00 00 00 00 mov $0x0,%eax 3d: 00 fc add %bh,%ah 3f: ff .byte 0xff