------------[ cut here ]------------ NETDEV WATCHDOG: sl0 (): transmit queue 0 timed out WARNING: CPU: 1 PID: 0 at net/sched/sch_generic.c:478 dev_watchdog+0x93c/0xb10 net/sched/sch_generic.c:477 Modules linked in: CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.15.147-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 RIP: 0010:dev_watchdog+0x93c/0xb10 net/sched/sch_generic.c:477 Code: 05 a8 19 7d 05 01 48 8b 5c 24 28 48 89 df e8 8b cc e2 ff 48 c7 c7 40 0f 7c 8b 48 89 de 48 89 c2 48 8b 4c 24 10 e8 d4 a6 f8 f8 <0f> 0b e9 fe fc ff ff e8 58 f4 2c f9 0f 0b e9 83 fc ff ff 44 89 e1 RSP: 0018:ffffc90000dd0b10 EFLAGS: 00010246 RAX: c81e7bda9ea2ed00 RBX: ffff8880796b8000 RCX: ffff888012968000 RDX: 0000000000000102 RSI: 0000000000000102 RDI: 0000000000000000 RBP: 00000000ffffb301 R08: ffffffff81665dbc R09: fffff520001ba0a5 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880796b8448 R13: ffff8880796b8440 R14: ffff8880796b8540 R15: ffff8880796b8460 FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fff5a384118 CR3: 000000000c68e000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: call_timer_fn+0x16d/0x560 kernel/time/timer.c:1421 expire_timers kernel/time/timer.c:1466 [inline] __run_timers+0x67c/0x890 kernel/time/timer.c:1737 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1750 __do_softirq+0x3b3/0x93a kernel/softirq.c:558 invoke_softirq kernel/softirq.c:432 [inline] __irq_exit_rcu+0x155/0x240 kernel/softirq.c:637 irq_exit_rcu+0x5/0x20 kernel/softirq.c:649 sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1096 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:native_save_fl arch/x86/include/asm/irqflags.h:22 [inline] RIP: 0010:arch_local_save_flags arch/x86/include/asm/irqflags.h:70 [inline] RIP: 0010:arch_irqs_disabled arch/x86/include/asm/irqflags.h:132 [inline] RIP: 0010:acpi_safe_halt drivers/acpi/processor_idle.c:110 [inline] RIP: 0010:acpi_idle_do_entry+0x10f/0x340 drivers/acpi/processor_idle.c:570 Code: 41 5a f7 48 83 e3 08 0f 85 0a 01 00 00 4c 8d 74 24 20 e8 44 b8 60 f7 0f 1f 44 00 00 e8 2a 3d 5a f7 0f 00 2d a3 95 bc 00 fb f4 <4c> 89 f3 48 c1 eb 03 42 80 3c 3b 00 74 08 4c 89 f7 e8 3b f0 a3 f7 RSP: 0018:ffffc90000d67b00 EFLAGS: 000002d3 RAX: ffffffff8a25f016 RBX: 0000000000000000 RCX: ffff888012968000 RDX: 0000000000000000 RSI: ffffffff8a8b0f80 RDI: ffffffff8ad87e00 RBP: ffffc90000d67b90 R08: ffffffff8186a880 R09: ffffed100252d001 R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff920001acf60 R13: ffff8881413a6004 R14: ffffc90000d67b20 R15: dffffc0000000000 acpi_idle_enter+0x352/0x4f0 drivers/acpi/processor_idle.c:705 cpuidle_enter_state+0x521/0xef0 drivers/cpuidle/cpuidle.c:237 cpuidle_enter+0x59/0x90 drivers/cpuidle/cpuidle.c:351 call_cpuidle kernel/sched/idle.c:158 [inline] cpuidle_idle_call kernel/sched/idle.c:239 [inline] do_idle+0x3e4/0x670 kernel/sched/idle.c:306 cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:403 start_secondary+0x371/0x500 arch/x86/kernel/smpboot.c:281 secondary_startup_64_no_verify+0xb1/0xbb ---------------- Code disassembly (best guess): 0: 41 5a pop %r10 2: f7 48 83 e3 08 0f 85 testl $0x850f08e3,-0x7d(%rax) 9: 0a 01 or (%rcx),%al b: 00 00 add %al,(%rax) d: 4c 8d 74 24 20 lea 0x20(%rsp),%r14 12: e8 44 b8 60 f7 call 0xf760b85b 17: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 1c: e8 2a 3d 5a f7 call 0xf75a3d4b 21: 0f 00 2d a3 95 bc 00 verw 0xbc95a3(%rip) # 0xbc95cb 28: fb sti 29: f4 hlt * 2a: 4c 89 f3 mov %r14,%rbx <-- trapping instruction 2d: 48 c1 eb 03 shr $0x3,%rbx 31: 42 80 3c 3b 00 cmpb $0x0,(%rbx,%r15,1) 36: 74 08 je 0x40 38: 4c 89 f7 mov %r14,%rdi 3b: e8 3b f0 a3 f7 call 0xf7a3f07b