------------[ 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 5.15.167-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:dev_watchdog+0x93c/0xb10 net/sched/sch_generic.c:477 Code: 05 eb dc 6a 05 01 48 8b 5c 24 28 48 89 df e8 0b b8 e2 ff 48 c7 c7 80 46 80 8b 48 89 de 48 89 c2 48 8b 4c 24 10 e8 a4 15 e1 f8 <0f> 0b e9 fe fc ff ff e8 b8 6b 15 f9 0f 0b e9 83 fc ff ff 44 89 e1 RSP: 0018:ffffc90000dd0b10 EFLAGS: 00010246 RAX: 8420b5702c05ae00 RBX: ffff88805f800000 RCX: ffff888017e60000 RDX: 0000000000000100 RSI: 0000000000000102 RDI: 0000000000000000 RBP: 00000000ffffc601 R08: ffffffff81668a3c R09: fffff520001ba0a5 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88805f800448 R13: ffff88805f800440 R14: ffff88805f800540 R15: ffff88805f800460 FS: 0000000000000000(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000002002b000 CR3: 00000000665cc000 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:1451 expire_timers kernel/time/timer.c:1496 [inline] __run_timers+0x67c/0x890 kernel/time/timer.c:1767 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1780 handle_softirqs+0x3a7/0x930 kernel/softirq.c:558 __do_softirq kernel/softirq.c:592 [inline] invoke_softirq kernel/softirq.c:432 [inline] __irq_exit_rcu+0x157/0x240 kernel/softirq.c:641 irq_exit_rcu+0x5/0x20 kernel/softirq.c:653 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:109 [inline] RIP: 0010:acpi_idle_do_entry+0x10f/0x340 drivers/acpi/processor_idle.c:562 Code: 82 42 f7 48 83 e3 08 0f 85 0a 01 00 00 4c 8d 74 24 20 e8 c4 fe 48 f7 0f 1f 44 00 00 e8 0a 7e 42 f7 0f 00 2d 73 5c a5 00 fb f4 <4c> 89 f3 48 c1 eb 03 42 80 3c 3b 00 74 08 4c 89 f7 e8 8b 48 8c f7 RSP: 0018:ffffc90000d67b00 EFLAGS: 000002d3 RAX: ffffffff8a3ddc66 RBX: 0000000000000000 RCX: ffff888017e60000 RDX: 0000000000000000 RSI: ffffffff8a8b2b00 RDI: ffffffff8ad904c0 RBP: ffffc90000d67b90 R08: ffffffff8186db50 R09: ffffed1002fcc001 R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff920001acf60 R13: ffff88801e6bc804 R14: ffffc90000d67b20 R15: dffffc0000000000 acpi_idle_enter+0x352/0x4f0 drivers/acpi/processor_idle.c:697 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), 1 bytes skipped: 0: 42 f7 48 83 e3 08 0f rex.X testl $0x850f08e3,-0x7d(%rax) 7: 85 8: 0a 01 or (%rcx),%al a: 00 00 add %al,(%rax) c: 4c 8d 74 24 20 lea 0x20(%rsp),%r14 11: e8 c4 fe 48 f7 call 0xf748feda 16: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) 1b: e8 0a 7e 42 f7 call 0xf7427e2a 20: 0f 00 2d 73 5c a5 00 verw 0xa55c73(%rip) # 0xa55c9a 27: fb sti 28: f4 hlt * 29: 4c 89 f3 mov %r14,%rbx <-- trapping instruction 2c: 48 c1 eb 03 shr $0x3,%rbx 30: 42 80 3c 3b 00 cmpb $0x0,(%rbx,%r15,1) 35: 74 08 je 0x3f 37: 4c 89 f7 mov %r14,%rdi 3a: e8 8b 48 8c f7 call 0xf78c48ca