------------[ cut here ]------------ NETDEV WATCHDOG: sl0 (): transmit queue 0 timed out WARNING: CPU: 0 PID: 13 at net/sched/sch_generic.c:478 dev_watchdog+0x93c/0xb10 net/sched/sch_generic.c:477 Modules linked in: CPU: 0 PID: 13 Comm: kworker/0:1 Not tainted 5.15.157-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+0x93c/0xb10 net/sched/sch_generic.c:477 Code: 05 dc 8b 7b 05 01 48 8b 5c 24 28 48 89 df e8 3b c6 e2 ff 48 c7 c7 40 bf 7c 8b 48 89 de 48 89 c2 48 8b 4c 24 10 e8 74 7d f6 f8 <0f> 0b e9 fe fc ff ff e8 38 d5 2a f9 0f 0b e9 83 fc ff ff 44 89 e1 RSP: 0018:ffffc90000007b10 EFLAGS: 00010246 RAX: 813877a8a98a8c00 RBX: ffff88807c62e000 RCX: ffff88813fe20000 RDX: 0000000000000102 RSI: 0000000000000102 RDI: 0000000000000000 RBP: 00000000ffffc801 R08: ffffffff8166862c R09: fffff52000000ea5 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88807c62e448 R13: ffff88807c62e440 R14: ffff88807c62e540 R15: ffff88807c62e460 FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa93512a070 CR3: 00000000636f6000 CR4: 00000000003506f0 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 __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:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:169 [inline] RIP: 0010:_raw_spin_unlock_irq+0x25/0x40 kernel/locking/spinlock.c:202 Code: 51 80 f6 ff 90 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 7e 84 3b f7 48 89 df e8 56 d8 3c f7 e8 71 8f 5f f7 fb bf 01 00 00 00 76 14 30 f7 65 8b 05 47 22 db 75 85 c0 74 02 5b c3 e8 b4 40 d9 RSP: 0018:ffffc90000d27c50 EFLAGS: 00000282 RAX: 813877a8a98a8c00 RBX: ffff8880b9a39b40 RCX: ffffffff913eef03 RDX: dffffc0000000000 RSI: ffffffff8a8b2980 RDI: 0000000000000001 RBP: ffffc90000d27dc8 R08: ffffffff8186dd10 R09: ffffed1017347369 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffffffff91459ad0 R14: 0000000000000000 R15: ffff88813fe1d028 process_one_work+0x78a/0x10c0 kernel/workqueue.c:2283 worker_thread+0xaca/0x1280 kernel/workqueue.c:2457 kthread+0x3f6/0x4f0 kernel/kthread.c:334 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:300 ---------------- Code disassembly (best guess): 0: 51 push %rcx 1: 80 f6 ff xor $0xff,%dh 4: 90 nop 5: 53 push %rbx 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 84 3b f7 call 0xf73b8495 17: 48 89 df mov %rbx,%rdi 1a: e8 56 d8 3c f7 call 0xf73cd875 1f: e8 71 8f 5f f7 call 0xf75f8f95 24: fb sti 25: bf 01 00 00 00 mov $0x1,%edi * 2a: e8 76 14 30 f7 call 0xf73014a5 <-- trapping instruction 2f: 65 8b 05 47 22 db 75 mov %gs:0x75db2247(%rip),%eax # 0x75db227d 36: 85 c0 test %eax,%eax 38: 74 02 je 0x3c 3a: 5b pop %rbx 3b: c3 ret 3c: e8 .byte 0xe8 3d: b4 40 mov $0x40,%ah 3f: d9 .byte 0xd9