INFO: trying to register non-static key.
the code is fine but needs lockdep annotation.
turning off the locking correctness validator.
CPU: 1 PID: 4408 Comm: systemd-udevd Not tainted 5.10.0-rc7-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:77 [inline]
 dump_stack+0x107/0x163 lib/dump_stack.c:118
 assign_lock_key kernel/locking/lockdep.c:935 [inline]
 register_lock_class+0x1041/0x1100 kernel/locking/lockdep.c:1247
 __lock_acquire+0xff/0x54f0 kernel/locking/lockdep.c:4711
 lock_acquire kernel/locking/lockdep.c:5437 [inline]
 lock_acquire+0x288/0x700 kernel/locking/lockdep.c:5402
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0x36/0x50 kernel/locking/spinlock.c:159
 skb_queue_tail+0x21/0x140 net/core/skbuff.c:3139
 ath9k_htc_txep+0x287/0x400 drivers/net/wireless/ath/ath9k/htc_drv_txrx.c:707
 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:1657
 usb_hcd_giveback_urb+0x367/0x410 drivers/usb/core/hcd.c:1728
 dummy_timer+0x11f4/0x3280 drivers/usb/gadget/udc/dummy_hcd.c:1971
 call_timer_fn+0x1a5/0x630 kernel/time/timer.c:1410
 expire_timers kernel/time/timer.c:1455 [inline]
 __run_timers.part.0+0x67c/0xa10 kernel/time/timer.c:1747
 __run_timers kernel/time/timer.c:1728 [inline]
 run_timer_softirq+0x80/0x120 kernel/time/timer.c:1760
 __do_softirq+0x1b2/0x945 kernel/softirq.c:298
 asm_call_irq_on_stack+0xf/0x20
 </IRQ>
 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline]
 run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline]
 do_softirq_own_stack+0x80/0xa0 arch/x86/kernel/irq_64.c:77
 invoke_softirq kernel/softirq.c:393 [inline]
 __irq_exit_rcu kernel/softirq.c:423 [inline]
 irq_exit_rcu+0x110/0x1a0 kernel/softirq.c:435
 sysvec_apic_timer_interrupt+0x43/0xa0 arch/x86/kernel/apic/apic.c:1091
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:631
RIP: 0010:tomoyo_check_acl+0xc1/0x450 security/tomoyo/domain.c:173
Code: c5 fc 67 ff 48 8d 7b 18 48 89 f8 48 89 fa 48 c1 e8 03 83 e2 07 0f b6 04 28 38 d0 7f 08 84 c0 0f 85 f7 02 00 00 44 0f b6 73 18 <31> ff 44 89 f6 e8 e5 f4 67 ff 45 84 f6 0f 85 61 01 00 00 e8 87 fc
RSP: 0018:ffffc90000207ac0 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffff888100edac80 RCX: 0000000000000001
RDX: 0000000000000000 RSI: ffffffff81d6c89b RDI: ffff888100edac98
RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000002 R11: ffffc90000207f58 R12: ffffc90000207bf0
R13: ffff88810368e990 R14: 0000000000000000 R15: 0000000000000000
 tomoyo_path_permission security/tomoyo/file.c:586 [inline]
 tomoyo_path_permission+0x1ff/0x3a0 security/tomoyo/file.c:573
 tomoyo_path_perm+0x2f0/0x400 security/tomoyo/file.c:838
 security_inode_getattr+0xcf/0x140 security/security.c:1279
 vfs_getattr fs/stat.c:121 [inline]
 vfs_fstat+0x43/0xb0 fs/stat.c:146
 __do_sys_newfstat+0x81/0x100 fs/stat.c:386
 do_syscall_64+0x2d/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7fdd4ae922e2
Code: 48 8b 05 b9 db 2b 00 64 c7 00 16 00 00 00 b8 ff ff ff ff c3 0f 1f 40 00 83 ff 01 77 33 48 63 fe b8 05 00 00 00 48 89 d6 0f 05 <48> 3d 00 f0 ff ff 77 06 f3 c3 0f 1f 40 00 48 8b 15 81 db 2b 00 f7
RSP: 002b:00007ffcfa583a78 EFLAGS: 00000246 ORIG_RAX: 0000000000000005
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdd4ae922e2
RDX: 00007ffcfa583a90 RSI: 00007ffcfa583a90 RDI: 0000000000000007
RBP: 00007ffcfa583c40 R08: 0000000000000000 R09: 0000000000000001
R10: 0000000000080000 R11: 0000000000000246 R12: 000055f800133840
R13: 000055f8001352f0 R14: 000055f800124ec0 R15: 00007ffcfa583c00
general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 1 PID: 4408 Comm: systemd-udevd Not tainted 5.10.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__skb_insert include/linux/skbuff.h:1910 [inline]
RIP: 0010:__skb_queue_before include/linux/skbuff.h:2016 [inline]
RIP: 0010:__skb_queue_tail include/linux/skbuff.h:2049 [inline]
RIP: 0010:skb_queue_tail+0x9a/0x140 net/core/skbuff.c:3140
Code: 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 7b 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 4a 48 8d 7b 10 49 89 2c 24 48 b8 00 00 00 00 00 fc
RSP: 0018:ffffc900001489e8 EFLAGS: 00010046
RAX: dffffc0000000000 RBX: ffff88810170b5b0 RCX: ffffffff812708a0
RDX: 0000000000000000 RSI: 0000000000000046 RDI: ffff8881023f63c8
RBP: ffff8881023f63c0 R08: 0000000000000001 R09: 0000000000000003
R10: fffff5200002912b R11: 3535303030302052 R12: 0000000000000000
R13: ffff88810170b5c8 R14: 00000000ffff9848 R15: ffffffff82f58b80
FS:  00007fdd4c01f8c0(0000) GS:ffff8881f6b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055f80011f030 CR3: 00000001031da000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 ath9k_htc_txep+0x287/0x400 drivers/net/wireless/ath/ath9k/htc_drv_txrx.c:707
 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:1657
 usb_hcd_giveback_urb+0x367/0x410 drivers/usb/core/hcd.c:1728
 dummy_timer+0x11f4/0x3280 drivers/usb/gadget/udc/dummy_hcd.c:1971
 call_timer_fn+0x1a5/0x630 kernel/time/timer.c:1410
 expire_timers kernel/time/timer.c:1455 [inline]
 __run_timers.part.0+0x67c/0xa10 kernel/time/timer.c:1747
 __run_timers kernel/time/timer.c:1728 [inline]
 run_timer_softirq+0x80/0x120 kernel/time/timer.c:1760
 __do_softirq+0x1b2/0x945 kernel/softirq.c:298
 asm_call_irq_on_stack+0xf/0x20
 </IRQ>
 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline]
 run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline]
 do_softirq_own_stack+0x80/0xa0 arch/x86/kernel/irq_64.c:77
 invoke_softirq kernel/softirq.c:393 [inline]
 __irq_exit_rcu kernel/softirq.c:423 [inline]
 irq_exit_rcu+0x110/0x1a0 kernel/softirq.c:435
 sysvec_apic_timer_interrupt+0x43/0xa0 arch/x86/kernel/apic/apic.c:1091
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:631
RIP: 0010:tomoyo_check_acl+0xc1/0x450 security/tomoyo/domain.c:173
Code: c5 fc 67 ff 48 8d 7b 18 48 89 f8 48 89 fa 48 c1 e8 03 83 e2 07 0f b6 04 28 38 d0 7f 08 84 c0 0f 85 f7 02 00 00 44 0f b6 73 18 <31> ff 44 89 f6 e8 e5 f4 67 ff 45 84 f6 0f 85 61 01 00 00 e8 87 fc
RSP: 0018:ffffc90000207ac0 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffff888100edac80 RCX: 0000000000000001
RDX: 0000000000000000 RSI: ffffffff81d6c89b RDI: ffff888100edac98
RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000001
R10: 0000000000000002 R11: ffffc90000207f58 R12: ffffc90000207bf0
R13: ffff88810368e990 R14: 0000000000000000 R15: 0000000000000000
 tomoyo_path_permission security/tomoyo/file.c:586 [inline]
 tomoyo_path_permission+0x1ff/0x3a0 security/tomoyo/file.c:573
 tomoyo_path_perm+0x2f0/0x400 security/tomoyo/file.c:838
 security_inode_getattr+0xcf/0x140 security/security.c:1279
 vfs_getattr fs/stat.c:121 [inline]
 vfs_fstat+0x43/0xb0 fs/stat.c:146
 __do_sys_newfstat+0x81/0x100 fs/stat.c:386
 do_syscall_64+0x2d/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7fdd4ae922e2
Code: 48 8b 05 b9 db 2b 00 64 c7 00 16 00 00 00 b8 ff ff ff ff c3 0f 1f 40 00 83 ff 01 77 33 48 63 fe b8 05 00 00 00 48 89 d6 0f 05 <48> 3d 00 f0 ff ff 77 06 f3 c3 0f 1f 40 00 48 8b 15 81 db 2b 00 f7
RSP: 002b:00007ffcfa583a78 EFLAGS: 00000246 ORIG_RAX: 0000000000000005
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdd4ae922e2
RDX: 00007ffcfa583a90 RSI: 00007ffcfa583a90 RDI: 0000000000000007
RBP: 00007ffcfa583c40 R08: 0000000000000000 R09: 0000000000000001
R10: 0000000000080000 R11: 0000000000000246 R12: 000055f800133840
R13: 000055f8001352f0 R14: 000055f800124ec0 R15: 00007ffcfa583c00
Modules linked in:
---[ end trace 353e8e91a95b9987 ]---
RIP: 0010:__skb_insert include/linux/skbuff.h:1910 [inline]
RIP: 0010:__skb_queue_before include/linux/skbuff.h:2016 [inline]
RIP: 0010:__skb_queue_tail include/linux/skbuff.h:2049 [inline]
RIP: 0010:skb_queue_tail+0x9a/0x140 net/core/skbuff.c:3140
Code: 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 7b 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 4a 48 8d 7b 10 49 89 2c 24 48 b8 00 00 00 00 00 fc
RSP: 0018:ffffc900001489e8 EFLAGS: 00010046
RAX: dffffc0000000000 RBX: ffff88810170b5b0 RCX: ffffffff812708a0
RDX: 0000000000000000 RSI: 0000000000000046 RDI: ffff8881023f63c8
RBP: ffff8881023f63c0 R08: 0000000000000001 R09: 0000000000000003
R10: fffff5200002912b R11: 3535303030302052 R12: 0000000000000000
R13: ffff88810170b5c8 R14: 00000000ffff9848 R15: ffffffff82f58b80
FS:  00007fdd4c01f8c0(0000) GS:ffff8881f6b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055f80011f030 CR3: 00000001031da000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400