------------[ cut here ]------------ NETDEV WATCHDOG: sl0 (): transmit queue 0 timed out WARNING: CPU: 0 PID: 8198 at net/sched/sch_generic.c:526 dev_watchdog+0x6c0/0x700 net/sched/sch_generic.c:525 Modules linked in: CPU: 0 PID: 8198 Comm: kworker/0:12 Not tainted 6.1.84-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Workqueue: rcu_gp process_srcu RIP: 0010:dev_watchdog+0x6c0/0x700 net/sched/sch_generic.c:525 Code: ed f8 c6 05 7f 26 c2 05 01 48 8b 1c 24 48 89 df e8 25 62 e5 ff 48 c7 c7 80 de e3 8b 48 89 de 48 89 c2 44 89 f1 e8 f0 2b 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: 0018:ffffc90000007b00 EFLAGS: 00010246 RAX: 91938a2e70913100 RBX: ffff88807bb94000 RCX: ffff88804fa98000 RDX: 0000000000000102 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00000000ffffe480 R08: ffffffff81527eae R09: fffff52000000ec1 R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1100f772889 R13: 00000000ffffddd2 R14: 0000000000000000 R15: 0000000000000110 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000200042c0 CR3: 000000000ce8e000 CR4: 00000000003506f0 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:1549 [inline] __run_timers+0x67c/0x890 kernel/time/timer.c:1820 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1833 __do_softirq+0x2e9/0xa4c kernel/softirq.c:571 invoke_softirq kernel/softirq.c:445 [inline] __irq_exit_rcu+0x155/0x240 kernel/softirq.c:650 irq_exit_rcu+0x5/0x20 kernel/softirq.c:662 sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1106 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:653 RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:160 [inline] RIP: 0010:_raw_spin_unlock_irq+0x25/0x40 kernel/locking/spinlock.c:202 Code: f1 bc f5 ff 90 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 7e 1e d6 f6 48 89 df e8 e6 5b d7 f6 e8 81 ec fc f6 fb bf 01 00 00 00 96 e8 c9 f6 65 8b 05 37 14 6e 75 85 c0 74 02 5b c3 e8 74 32 6c RSP: 0018:ffffc9001977fc18 EFLAGS: 00000286 RAX: 91938a2e70913100 RBX: ffffffff91d5d7f0 RCX: ffffffff816ac11a RDX: dffffc0000000000 RSI: ffffffff8aebeec0 RDI: 0000000000000001 RBP: 0000000000004ac6 R08: dffffc0000000000 R09: fffffbfff2093048 R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff91d5d740 R13: dffffc0000000000 R14: 0000000000000000 R15: ffffffff91d5d7f0 srcu_reschedule+0x9d/0xf0 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:307 ---------------- Code disassembly (best guess): 0: f1 int1 1: bc f5 ff 90 53 mov $0x5390fff5,%esp 6: 48 89 fb mov %rdi,%rbx 9: 48 83 c7 18 add $0x18,%rdi d: 48 8b 74 24 08 mov 0x8(%rsp),%rsi 12: e8 7e 1e d6 f6 call 0xf6d61e95 17: 48 89 df mov %rbx,%rdi 1a: e8 e6 5b d7 f6 call 0xf6d75c05 1f: e8 81 ec fc f6 call 0xf6fceca5 24: fb sti 25: bf 01 00 00 00 mov $0x1,%edi * 2a: e8 96 e8 c9 f6 call 0xf6c9e8c5 <-- trapping instruction 2f: 65 8b 05 37 14 6e 75 mov %gs:0x756e1437(%rip),%eax # 0x756e146d 36: 85 c0 test %eax,%eax 38: 74 02 je 0x3c 3a: 5b pop %rbx 3b: c3 ret 3c: e8 .byte 0xe8 3d: 74 32 je 0x71 3f: 6c insb (%dx),%es:(%rdi)