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NETDEV WATCHDOG: sl0 (): transmit queue 0 timed out
WARNING: CPU: 1 PID: 16710 at net/sched/sch_generic.c:526 dev_watchdog+0x6c0/0x700 net/sched/sch_generic.c:525
Modules linked in:
CPU: 1 PID: 16710 Comm: syz-executor.1 Not tainted 6.1.82-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
RIP: 0010:dev_watchdog+0x6c0/0x700 net/sched/sch_generic.c:525
Code: ed f8 c6 05 9b af c2 05 01 48 8b 1c 24 48 89 df e8 15 63 e5 ff 48 c7 c7 80 cb e3 8b 48 89 de 48 89 c2 44 89 f1 e8 80 bb b5 f8 <0f> 0b e9 8b fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c c1 fb ff
RSP: 0000:ffffc900001e0bc0 EFLAGS: 00010246
RAX: 86f12cebdfad8500 RBX: ffff8880a1106000 RCX: ffff888021f5bb80
RDX: 0000000080000102 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00000001000252c0 R08: ffffffff81527e8e R09: fffff5200003c0d9
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff11014220c89
R13: 0000000100024dd2 R14: 0000000000000000 R15: 0000000000000110
FS:  0000555556d1e480(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2ce26000 CR3: 0000000020abd000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 call_timer_fn+0x1ad/0x6b0 kernel/time/timer.c:1474
 expire_timers kernel/time/timer.c:1519 [inline]
 __run_timers+0x67c/0x890 kernel/time/timer.c:1790
 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1803
 __do_softirq+0x2e9/0xa4c kernel/softirq.c:571
 do_softirq+0x162/0x240 kernel/softirq.c:472
 </IRQ>
 <TASK>
 __local_bh_enable_ip+0x1b1/0x1f0 kernel/softirq.c:396
 pneigh_ifdown_and_unlock net/core/neighbour.c:865 [inline]
 __neigh_ifdown+0x1c6/0x3f0 net/core/neighbour.c:447
 neigh_ifdown+0x1b/0x30 net/core/neighbour.c:464
 ndisc_netdev_event+0x9a/0x4a0 net/ipv6/ndisc.c:1908
 notifier_call_chain kernel/notifier.c:87 [inline]
 raw_notifier_call_chain+0xd0/0x170 kernel/notifier.c:455
 call_netdevice_notifiers_info net/core/dev.c:1970 [inline]
 call_netdevice_notifiers_extack net/core/dev.c:2008 [inline]
 call_netdevice_notifiers net/core/dev.c:2022 [inline]
 dev_close_many+0x37c/0x530 net/core/dev.c:1570
 unregister_netdevice_many+0x4f7/0x17a0 net/core/dev.c:10852
 unregister_netdevice_queue+0x2e6/0x350 net/core/dev.c:10809
 unregister_netdevice include/linux/netdevice.h:3045 [inline]
 nsim_destroy+0x44/0x140 drivers/net/netdevsim/netdev.c:382
 __nsim_dev_port_del+0x153/0x1b0 drivers/net/netdevsim/dev.c:1430
 nsim_dev_port_del_all drivers/net/netdevsim/dev.c:1442 [inline]
 nsim_dev_reload_destroy+0x286/0x490 drivers/net/netdevsim/dev.c:1659
 nsim_drv_remove+0x5c/0x160 drivers/net/netdevsim/dev.c:1675
 device_remove drivers/base/dd.c:548 [inline]
 __device_release_driver drivers/base/dd.c:1260 [inline]
 device_release_driver_internal+0x4f3/0x880 drivers/base/dd.c:1286
 bus_remove_device+0x2e5/0x400 drivers/base/bus.c:529
 device_del+0x6e2/0xbd0 drivers/base/core.c:3859
 device_unregister+0x1c/0xc0 drivers/base/core.c:3902
 nsim_bus_dev_del drivers/net/netdevsim/bus.c:310 [inline]
 del_device_store+0x35f/0x480 drivers/net/netdevsim/bus.c:219
 kernfs_fop_write_iter+0x3a2/0x4f0 fs/kernfs/file.c:330
 call_write_iter include/linux/fs.h:2265 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x7ae/0xba0 fs/read_write.c:584
 ksys_write+0x19c/0x2c0 fs/read_write.c:637
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fd870e7caef
Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 b9 80 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 0c 81 02 00 48
RSP: 002b:00007ffef90d9360 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fd870e7caef
RDX: 0000000000000001 RSI: 00007ffef90d93b0 RDI: 0000000000000005
RBP: 00007fd870eca021 R08: 0000000000000000 R09: 00007ffef90d91b7
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001
R13: 00007ffef90d93b0 R14: 00007fd871ad4620 R15: 0000000000000003
 </TASK>