------------[ cut here ]------------
WARNING: CPU: 1 PID: 7524 at kernel/workqueue.c:1441 __queue_work+0xddc/0xf90
Modules linked in:
CPU: 1 PID: 7524 Comm: kworker/u4:9 Not tainted 6.1.128-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
Workqueue: netns cleanup_net
RIP: 0010:__queue_work+0xddc/0xf90 kernel/workqueue.c:1441
Code: 8b 3c 24 e8 c6 87 88 00 e9 d9 fc ff ff e8 dc f4 30 00 89 ee 48 c7 c7 40 9a 1d 8d e8 ee 09 16 03 e9 1e fc ff ff e8 c4 f4 30 00 <0f> 0b 48 83 c4 50 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 ae f4 30 00
RSP: 0018:ffffc900001e0af8 EFLAGS: 00010046
RAX: ffffffff8159a7dc RBX: 00000000000b0012 RCX: ffff88802df78000
RDX: 0000000000000100 RSI: 0000000000000100 RDI: 0000000000000000
RBP: 0000000000010000 R08: ffffffff815a9585 R09: fffffbfff1d36536
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: dffffc0000000000 R14: 0000000000000008 R15: ffff888075b7e000
FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3461c52440 CR3: 000000000d08e000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
call_timer_fn+0x1ad/0x6b0 kernel/time/timer.c:1504
expire_timers kernel/time/timer.c:1544 [inline]
__run_timers+0x6a8/0x890 kernel/time/timer.c:1820
run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1833
handle_softirqs+0x2ee/0xa40 kernel/softirq.c:578
__do_softirq kernel/softirq.c:612 [inline]
invoke_softirq kernel/softirq.c:452 [inline]
__irq_exit_rcu+0x157/0x240 kernel/softirq.c:661
irq_exit_rcu+0x5/0x20 kernel/softirq.c:673
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline]
sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1118
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:lockdep_unregister_key+0x562/0x600 kernel/locking/lockdep.c:6367
Code: 20 91 48 c7 c6 f0 f2 6a 81 e8 aa b3 08 00 e8 e5 c7 08 00 e9 ea fb ff ff e8 6b e3 47 09 41 f7 c7 00 02 00 00 74 d0 fb 45 84 f6 <75> cf eb e0 0f 0b 45 31 f6 e9 64 ff ff ff 0f 0b e9 a5 fe ff ff 0f
RSP: 0018:ffffc90004057580 EFLAGS: 00000246
RAX: dffffc0000000000 RBX: 1ffff9200080aeb8 RCX: ffffffff97357103
RDX: 0000000000000001 RSI: ffffffff8b0c1020 RDI: ffffffff8b5e6980
RBP: ffffc90004057660 R08: dffffc0000000000 R09: fffffbfff2244512
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc900040575c0
R13: 1ffff9200080aeb4 R14: 0000000000000000 R15: 0000000000000a06
__qdisc_destroy+0x127/0x450 net/sched/sch_generic.c:1078
netdev_for_each_tx_queue include/linux/netdevice.h:2465 [inline]
dev_shutdown+0x9d/0x440 net/sched/sch_generic.c:1489
unregister_netdevice_many+0xaac/0x17a0 net/core/dev.c:10938
ieee80211_remove_interfaces+0x4f0/0x820 net/mac80211/iface.c:2379
ieee80211_unregister_hw+0x59/0x290 net/mac80211/main.c:1478
mac80211_hwsim_del_radio+0x2be/0x4a0 drivers/net/wireless/mac80211_hwsim.c:4683
hwsim_exit_net+0x5b8/0x660 drivers/net/wireless/mac80211_hwsim.c:5470
ops_exit_list net/core/net_namespace.c:172 [inline]
cleanup_net+0x7f1/0xd20 net/core/net_namespace.c:640
process_one_work+0x8a9/0x11d0 kernel/workqueue.c:2292
worker_thread+0xa47/0x1200 kernel/workqueue.c:2439
kthread+0x28d/0x320 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
----------------
Code disassembly (best guess):
0: 20 91 48 c7 c6 f0 and %dl,-0xf3938b8(%rcx)
6: f2 6a 81 repnz push $0xffffffffffffff81
9: e8 aa b3 08 00 call 0x8b3b8
e: e8 e5 c7 08 00 call 0x8c7f8
13: e9 ea fb ff ff jmp 0xfffffc02
18: e8 6b e3 47 09 call 0x947e388
1d: 41 f7 c7 00 02 00 00 test $0x200,%r15d
24: 74 d0 je 0xfffffff6
26: fb sti
27: 45 84 f6 test %r14b,%r14b
* 2a: 75 cf jne 0xfffffffb <-- trapping instruction
2c: eb e0 jmp 0xe
2e: 0f 0b ud2
30: 45 31 f6 xor %r14d,%r14d
33: e9 64 ff ff ff jmp 0xffffff9c
38: 0f 0b ud2
3a: e9 a5 fe ff ff jmp 0xfffffee4
3f: 0f .byte 0xf