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NETDEV WATCHDOG: usb0 (cdc_ether): transmit queue 0 timed out
WARNING: CPU: 1 PID: 0 at net/sched/sch_generic.c:478 dev_watchdog+0x7f4/0xa5c net/sched/sch_generic.c:477
Modules linked in:
CPU: 1 PID: 0 Comm: swapper/1 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : dev_watchdog+0x7f4/0xa5c net/sched/sch_generic.c:477
lr : dev_watchdog+0x7f4/0xa5c net/sched/sch_generic.c:477
sp : ffff800008017aa0
x29: ffff800008017ae0 x28: ffffffffffffffca x27: ffff0000d461c540
x26: 0000000000000002 x25: 0000000000000000 x24: ffff0000c9e03c68
x23: ffff0000d461c440 x22: ffff0000d461c448 x21: dfff800000000000
x20: 00000000000001f4 x19: ffff0000d461c000 x18: 0000000000000103
x17: 0000000000000000 x16: ffff8000111c803c x15: 00000000ffffffff
x14: 0000000000ff0100 x13: 0000000000000001 x12: 0000000000ff0100
x11: 0000000000000102 x10: 0000000000000000 x9 : cf2d0f407216b900
x8 : cf2d0f407216b900 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff800008017398 x4 : ffff80001425f420 x3 : ffff8000085046ec
x2 : 0000000000000001 x1 : 0000000000000102 x0 : 000000000000003d
Call trace:
 dev_watchdog+0x7f4/0xa5c net/sched/sch_generic.c:477
 call_timer_fn+0x19c/0x858 kernel/time/timer.c:1451
 expire_timers kernel/time/timer.c:1496 [inline]
 __run_timers+0x46c/0x6c4 kernel/time/timer.c:1767
 run_timer_softirq+0x7c/0x114 kernel/time/timer.c:1780
 handle_softirqs+0x344/0xbf0 kernel/softirq.c:576
 __do_softirq kernel/softirq.c:610 [inline]
 do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
 invoke_softirq kernel/softirq.c:457 [inline]
 __irq_exit_rcu+0x240/0x440 kernel/softirq.c:659
 irq_exit+0x14/0x88 kernel/softirq.c:683
 handle_domain_irq+0x14c/0x1fc kernel/irq/irqdesc.c:711
 gic_handle_irq+0x78/0x1c8 drivers/irqchip/irq-gic-v3.c:765
 call_on_irq_stack+0x30/0x48 arch/arm64/kernel/entry.S:903
 do_interrupt_handler+0x6c/0x88 arch/arm64/kernel/entry-common.c:267
 el1_interrupt+0x30/0x58 arch/arm64/kernel/entry-common.c:454
 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:470
 el1h_64_irq+0x78/0x7c arch/arm64/kernel/entry.S:522
 arch_local_irq_enable+0xc/0x18 arch/arm64/include/asm/irqflags.h:35
 default_idle_call+0xcc/0x418 kernel/sched/idle.c:112
 cpuidle_idle_call kernel/sched/idle.c:194 [inline]
 do_idle+0x1c8/0x480 kernel/sched/idle.c:306
 cpu_startup_entry+0x24/0x28 kernel/sched/idle.c:403
 secondary_start_kernel+0x23c/0x294 arch/arm64/kernel/smp.c:265
 __secondary_switched+0x94/0x98 arch/arm64/kernel/head.S:661
irq event stamp: 1019299
hardirqs last  enabled at (1019298): [<ffff8000082f8fc4>] __up_console_sem+0xb4/0x100 kernel/printk/printk.c:257
hardirqs last disabled at (1019299): [<ffff8000111c389c>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396
softirqs last  enabled at (1019050): [<ffff80000819e9f4>] softirq_handle_end kernel/softirq.c:419 [inline]
softirqs last  enabled at (1019050): [<ffff80000819e9f4>] handle_softirqs+0xa4c/0xbf0 kernel/softirq.c:604
softirqs last disabled at (1019109): [<ffff80000819eff8>] __do_softirq kernel/softirq.c:610 [inline]
softirqs last disabled at (1019109): [<ffff80000819eff8>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
softirqs last disabled at (1019109): [<ffff80000819eff8>] invoke_softirq kernel/softirq.c:457 [inline]
softirqs last disabled at (1019109): [<ffff80000819eff8>] __irq_exit_rcu+0x240/0x440 kernel/softirq.c:659
---[ end trace 56aba618cb00f74e ]---