------------[ cut here ]------------ NETDEV WATCHDOG: sl0 (): transmit queue 0 timed out WARNING: CPU: 1 PID: 4596 at net/sched/sch_generic.c:526 dev_watchdog+0x6c0/0x700 net/sched/sch_generic.c:525 Modules linked in: CPU: 1 PID: 4596 Comm: kworker/1:16 Not tainted 6.1.83-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Workqueue: events pwq_unbound_release_workfn RIP: 0010:dev_watchdog+0x6c0/0x700 net/sched/sch_generic.c:525 Code: ed f8 c6 05 3d 55 c2 05 01 48 8b 1c 24 48 89 df e8 25 62 e5 ff 48 c7 c7 40 d6 e3 8b 48 89 de 48 89 c2 44 89 f1 e8 30 5f 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:ffffc900001e0b00 EFLAGS: 00010246 RAX: d519335fd7142200 RBX: ffff888014250000 RCX: ffff888074cad940 RDX: 0000000000000101 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000100008d40 R08: ffffffff81527eae R09: fffff5200003c0c1 R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1100284a089 R13: 00000001000085d3 R14: 0000000000000000 R15: 0000000000000110 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffe2cf3ac88 CR3: 0000000064512000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: 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 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:synchronize_rcu+0x0/0x3f0 kernel/rcu/tree.c:3565 Code: 5e 41 5f e9 e2 fa e5 ff 5b 41 5c 41 5e 41 5f c3 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c d9 fe ff ff e8 35 8a 6e 00 e9 cf fe ff ff <55> 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48 81 ec 40 01 RSP: 0018:ffffc90014bbfb38 EFLAGS: 00000206 RAX: dffffc0000000000 RBX: 1ffff92002977f70 RCX: ffffffff91c8f103 RDX: 0000000000000001 RSI: ffffffff8aebfb20 RDI: ffffffff8b3d2b40 RBP: ffffc90014bbfc08 R08: dffffc0000000000 R09: fffffbfff23909f8 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88807c7a9928 R13: 1ffff92002977f6c R14: 0000000000000a06 R15: ffffc90014bbfb80 lockdep_unregister_key+0x537/0x5e0 kernel/locking/lockdep.c:6355 wq_unregister_lockdep kernel/workqueue.c:3500 [inline] pwq_unbound_release_workfn+0x23d/0x290 kernel/workqueue.c:3738 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: 5e pop %rsi 1: 41 5f pop %r15 3: e9 e2 fa e5 ff jmp 0xffe5faea 8: 5b pop %rbx 9: 41 5c pop %r12 b: 41 5e pop %r14 d: 41 5f pop %r15 f: c3 ret 10: 89 f9 mov %edi,%ecx 12: 80 e1 07 and $0x7,%cl 15: 80 c1 03 add $0x3,%cl 18: 38 c1 cmp %al,%cl 1a: 0f 8c d9 fe ff ff jl 0xfffffef9 20: e8 35 8a 6e 00 call 0x6e8a5a 25: e9 cf fe ff ff jmp 0xfffffef9 * 2a: 55 push %rbp <-- trapping instruction 2b: 48 89 e5 mov %rsp,%rbp 2e: 41 57 push %r15 30: 41 56 push %r14 32: 41 55 push %r13 34: 41 54 push %r12 36: 53 push %rbx 37: 48 83 e4 e0 and $0xffffffffffffffe0,%rsp 3b: 48 rex.W 3c: 81 .byte 0x81 3d: ec in (%dx),%al 3e: 40 rex 3f: 01 .byte 0x1