INFO: trying to register non-static key.
the code is fine but needs lockdep annotation.
turning off the locking correctness validator.
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.7.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x96/0xe0 lib/dump_stack.c:118
assign_lock_key kernel/locking/lockdep.c:913 [inline]
register_lock_class+0x1940/0x1a10 kernel/locking/lockdep.c:1225
__lock_acquire+0x107/0x6ba0 kernel/locking/lockdep.c:4234
lock_acquire+0x178/0xa70 kernel/locking/lockdep.c:4934
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0x33/0x50 kernel/locking/spinlock.c:159
skb_queue_tail+0x22/0x170 net/core/skbuff.c:3143
hif_usb_regout_cb+0xf9/0x1a0 drivers/net/wireless/ath/ath9k/hif_usb.c:90
__usb_hcd_giveback_urb+0x1b6/0x3c0 drivers/usb/core/hcd.c:1648
freedev drivers/block/aoe/aoedev.c:285 [inline]
dummy_timer+0xfc6/0x2d0d drivers/block/aoe/aoedev.c:366
call_timer_fn+0x16f/0x5b0 kernel/time/timer.c:1405
expire_timers kernel/time/timer.c:1450 [inline]
__run_timers kernel/time/timer.c:1774 [inline]
run_timer_softirq+0x687/0x11a0 kernel/time/timer.c:1787
__do_softirq+0x24a/0xaec kernel/softirq.c:292
invoke_softirq kernel/softirq.c:373 [inline]
irq_exit+0x167/0x190 kernel/softirq.c:413
exiting_irq arch/x86/include/asm/apic.h:546 [inline]
smp_apic_timer_interrupt+0x1d0/0x690 arch/x86/kernel/apic/apic.c:1140
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:829
RIP: 0010:default_idle+0x25/0x310 arch/x86/kernel/process.c:698
Code: ff ff cc cc cc 41 56 41 55 41 54 55 53 e8 73 2c 62 fb 0f 1f 44 00 00 e8 89 9a 48 f9 e9 07 00 00 00 0f 00 2d bd 74 5e 00 fb f4 56 2c 62 fb 41 89 c5 0f 1f 44 00 00 5b 5d 41 5c 41 5d 41 5e c3
RSP: 0018:ffffffff8a207d98 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000007 RBX: dffffc0000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000006 RDI: ffffffff8a28a0dc
RBP: 0000000000000000 R08: fffffbfff14512f9 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffffffff8c8cf200 R14: 0000000000000000 R15: 0000000000000000
cpuidle_idle_call kernel/sched/idle.c:154 [inline]
do_idle+0x375/0x500 kernel/sched/idle.c:269
cpu_startup_entry+0x14/0x16 kernel/sched/idle.c:361
start_kernel+0x57c/0x5ba init/main.c:1038
secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:242
general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#2] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 0 PID: 0 Comm: swapper/0 Tainted: G D 5.7.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__write_once_size include/linux/compiler.h:226 [inline]
RIP: 0010:__skb_insert include/linux/skbuff.h:1921 [inline]
RIP: 0010:__skb_queue_before include/linux/skbuff.h:2027 [inline]
RIP: 0010:__skb_queue_tail include/linux/skbuff.h:2060 [inline]
RIP: 0010:skb_queue_tail+0xaf/0x170 net/core/skbuff.c:3144
Code: 08 48 ba 00 00 00 00 00 fc ff df 48 c1 e9 03 80 3c 11 00 75 7d 4c 89 e1 48 89 6b 08 48 ba 00 00 00 00 00 fc ff df 48 c1 e9 03 <80> 3c 11 00 75 50 48 8d 7b 10 49 89 2c 24 48 ba 00 00 00 00 00 fc
RSP: 0018:ffffc90000007ab8 EFLAGS: 00010056
RAX: 0000000000000096 RBX: ffff888084bfb5d0 RCX: 0000000000000000
RDX: dffffc0000000000 RSI: 0000000000000004 RDI: ffff8880a933a648
RBP: ffff8880a933a640 R08: 0000000000000004 R09: fffff52000000f45
R10: 0000000000000003 R11: fffff52000000f45 R12: 0000000000000000
R13: ffff888084bfb5d8 R14: ffff888084bfb5e8 R15: ffff8882362d7000
FS: 0000000000000000(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000005680c0 CR3: 00000000a9060000 CR4: 0000000000340ef0
Call Trace:
hif_usb_regout_cb+0xf9/0x1a0 drivers/net/wireless/ath/ath9k/hif_usb.c:90
__usb_hcd_giveback_urb+0x1b6/0x3c0 drivers/usb/core/hcd.c:1648
freedev drivers/block/aoe/aoedev.c:285 [inline]
dummy_timer+0xfc6/0x2d0d drivers/block/aoe/aoedev.c:366
call_timer_fn+0x16f/0x5b0 kernel/time/timer.c:1405
expire_timers kernel/time/timer.c:1450 [inline]
__run_timers kernel/time/timer.c:1774 [inline]
run_timer_softirq+0x687/0x11a0 kernel/time/timer.c:1787
__do_softirq+0x24a/0xaec kernel/softirq.c:292
invoke_softirq kernel/softirq.c:373 [inline]
irq_exit+0x167/0x190 kernel/softirq.c:413
exiting_irq arch/x86/include/asm/apic.h:546 [inline]
smp_apic_timer_interrupt+0x1d0/0x690 arch/x86/kernel/apic/apic.c:1140
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:829
RIP: 0010:default_idle+0x25/0x310 arch/x86/kernel/process.c:698
Code: ff ff cc cc cc 41 56 41 55 41 54 55 53 e8 73 2c 62 fb 0f 1f 44 00 00 e8 89 9a 48 f9 e9 07 00 00 00 0f 00 2d bd 74 5e 00 fb f4 56 2c 62 fb 41 89 c5 0f 1f 44 00 00 5b 5d 41 5c 41 5d 41 5e c3
RSP: 0018:ffffffff8a207d98 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000007 RBX: dffffc0000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000006 RDI: ffffffff8a28a0dc
RBP: 0000000000000000 R08: fffffbfff14512f9 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffffffff8c8cf200 R14: 0000000000000000 R15: 0000000000000000
cpuidle_idle_call kernel/sched/idle.c:154 [inline]
do_idle+0x375/0x500 kernel/sched/idle.c:269
cpu_startup_entry+0x14/0x16 kernel/sched/idle.c:361
start_kernel+0x57c/0x5ba init/main.c:1038
secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:242
Modules linked in:
---[ end trace d3cd3bc714faf011 ]---
RIP: 0010:__write_once_size include/linux/compiler.h:226 [inline]
RIP: 0010:__skb_insert include/linux/skbuff.h:1921 [inline]
RIP: 0010:__skb_queue_before include/linux/skbuff.h:2027 [inline]
RIP: 0010:__skb_queue_tail include/linux/skbuff.h:2060 [inline]
RIP: 0010:skb_queue_tail+0xaf/0x170 net/core/skbuff.c:3144
Code: 08 48 ba 00 00 00 00 00 fc ff df 48 c1 e9 03 80 3c 11 00 75 7d 4c 89 e1 48 89 6b 08 48 ba 00 00 00 00 00 fc ff df 48 c1 e9 03 <80> 3c 11 00 75 50 48 8d 7b 10 49 89 2c 24 48 ba 00 00 00 00 00 fc
RSP: 0018:ffffc90000d90ab8 EFLAGS: 00010056
RAX: 0000000000000096 RBX: ffff8880830a35d0 RCX: 0000000000000000
RDX: dffffc0000000000 RSI: 0000000000000004 RDI: ffff88808925ddc8
RBP: ffff88808925ddc0 R08: 0000000000000004 R09: fffff520001b2145
R10: 0000000000000003 R11: fffff520001b2145 R12: 0000000000000000
R13: ffff8880830a35d8 R14: ffff8880830a35e8 R15: ffff8880a88b7000
FS: 0000000000000000(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000005680c0 CR3: 00000000a9060000 CR4: 0000000000340ef0