IPVS: dh: UDP 224.0.0.2:0 - no destination available
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workqueue: cannot queue hci_cmd_timeout on wq hci3
WARNING: kernel/workqueue.c:2257 at 0x0, CPU#0: syz.8.7272/26214
Modules linked in:
CPU: 0 UID: 0 PID: 26214 Comm: syz.8.7272 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:__queue_work+0xcab/0x10f0 kernel/workqueue.c:2256
Code: 78 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 f9 48 c1 e9 03 80 3c 01 00 0f 85 0c 04 00 00 48 8d 3d c9 a1 04 0f 48 8b 75 18 <67> 48 0f b9 3a e9 86 f7 ff ff e8 86 96 39 00 90 0f 0b 90 e9 0b f6
RSP: 0018:ffffc90000007be8 EFLAGS: 00010046
RAX: dffffc0000000000 RBX: 0000000000000100 RCX: 1ffff1100a207132
RDX: ffff88805183b178 RSI: ffffffff8a527450 RDI: ffffffff9088b9e0
RBP: ffff888051038978 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000100 R11: 00000000ffffffff R12: 1ffff92000000f8f
R13: ffffffff81842960 R14: 0000000000000101 R15: ffff88805183b000
FS: 00007fa017e496c0(0000) GS:ffff8881249a1000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f990df156c0 CR3: 0000000012b01000 CR4: 0000000000350ef0
Call Trace:
call_timer_fn+0x19a/0x5a0 kernel/time/timer.c:1748
expire_timers kernel/time/timer.c:1794 [inline]
__run_timers+0x569/0xae0 kernel/time/timer.c:2373
__run_timer_base kernel/time/timer.c:2385 [inline]
__run_timer_base kernel/time/timer.c:2377 [inline]
run_timer_base+0x114/0x190 kernel/time/timer.c:2394
run_timer_softirq+0x1a/0x40 kernel/time/timer.c:2404
handle_softirqs+0x219/0x8b0 kernel/softirq.c:622
__do_softirq kernel/softirq.c:656 [inline]
invoke_softirq kernel/softirq.c:496 [inline]
__irq_exit_rcu+0x109/0x170 kernel/softirq.c:723
irq_exit_rcu+0x9/0x30 kernel/softirq.c:739
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1055 [inline]
sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1055
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:preempt_schedule_irq+0x4c/0x90 kernel/sched/core.c:7188
Code: df 55 65 48 8b 2d dc 22 4a 08 53 48 89 eb 48 c1 eb 03 48 01 c3 bf 01 00 00 00 e8 cf 35 2c f6 e8 fa dc 67 f6 fb bf 01 00 00 00 af 99 ff ff 9c 58 fa f6 c4 02 75 1e bf 01 00 00 00 e8 cd c4 2b
RSP: 0018:ffffc900045aefc8 EFLAGS: 00000202
RAX: 0000000000001943 RBX: ffffed1010a5eb70 RCX: 0000000000000006
RDX: 0000000000000000 RSI: ffffffff8da9fdfb RDI: 0000000000000001
RBP: ffff8880852f5b80 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff9085d0d7 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
irqentry_exit+0x36/0x90 kernel/entry/common.c:211
asm_sysvec_reschedule_ipi+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:lockdep_unregister_key+0x145/0x200 kernel/locking/lockdep.c:6616
Code: 31 e1 ff ff 48 c7 c7 42 f4 b8 8d e8 e5 df c3 09 65 ff 0d 26 67 0f 12 9c 58 f6 c4 02 75 5b 41 f7 c4 00 02 00 00 74 01 fb 84 db <75> 24 5b 5d 41 5c e9 f0 59 0a 00 44 8b 05 2d 34 ed 0e 31 db 45 85
RSP: 0018:ffffc900045af090 EFLAGS: 00000246
RAX: 0000000000000046 RBX: 0000000000000000 RCX: 0000000000000001
RDX: 0000000000000000 RSI: ffffffff8db8f442 RDI: ffffffff8bf1bd80
RBP: ffffffff972ebb08 R08: 00000000000ae933 R09: ffffffff95dd8d06
R10: ffff8880852f66b0 R11: 0000000087ea5fd8 R12: 0000000000000246
R13: ffff88803e0c8000 R14: ffff88803e0c84c8 R15: 0000000000000010
__qdisc_destroy+0x11a/0x4a0 net/sched/sch_generic.c:1086
qdisc_put+0xab/0xe0 net/sched/sch_generic.c:1112
shutdown_scheduler_queue+0xa5/0x160 net/sched/sch_generic.c:1165
netdev_for_each_tx_queue include/linux/netdevice.h:2664 [inline]
dev_shutdown+0xb8/0x430 net/sched/sch_generic.c:1497
unregister_netdevice_many_notify+0xb12/0x2570 net/core/dev.c:12272
rtnl_delete_link net/core/rtnetlink.c:3521 [inline]
rtnl_dellink+0x45f/0xad0 net/core/rtnetlink.c:3563
rtnetlink_rcv_msg+0x95e/0xe90 net/core/rtnetlink.c:6951
netlink_rcv_skb+0x158/0x420 net/netlink/af_netlink.c:2552
netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline]
netlink_unicast+0x5aa/0x870 net/netlink/af_netlink.c:1346
netlink_sendmsg+0x8c8/0xdd0 net/netlink/af_netlink.c:1896
sock_sendmsg_nosec net/socket.c:718 [inline]
__sock_sendmsg net/socket.c:733 [inline]
____sys_sendmsg+0xa5d/0xc30 net/socket.c:2608
___sys_sendmsg+0x134/0x1d0 net/socket.c:2662
__sys_sendmsg+0x16d/0x220 net/socket.c:2694
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xcd/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa016f8f749
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fa017e49038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fa0171e5fa0 RCX: 00007fa016f8f749
RDX: 0000000000000000 RSI: 0000200000000280 RDI: 0000000000000004
RBP: 00007fa017013f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fa0171e6038 R14: 00007fa0171e5fa0 R15: 00007ffedd292968
----------------
Code disassembly (best guess):
0: 78 01 js 0x3
2: 00 00 add %al,(%rax)
4: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
b: fc ff df
e: 48 89 f9 mov %rdi,%rcx
11: 48 c1 e9 03 shr $0x3,%rcx
15: 80 3c 01 00 cmpb $0x0,(%rcx,%rax,1)
19: 0f 85 0c 04 00 00 jne 0x42b
1f: 48 8d 3d c9 a1 04 0f lea 0xf04a1c9(%rip),%rdi # 0xf04a1ef
26: 48 8b 75 18 mov 0x18(%rbp),%rsi
* 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction
2f: e9 86 f7 ff ff jmp 0xfffff7ba
34: e8 86 96 39 00 call 0x3996bf
39: 90 nop
3a: 0f 0b ud2
3c: 90 nop
3d: e9 .byte 0xe9
3e: 0b f6 or %esi,%esi