panic: tcp_do_segment: sent too much cpuid = 1 time = 4 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0xc6/frame 0xfffffe00573acbb0 kdb_backtrace() at kdb_backtrace+0xd0/frame 0xfffffe00573acd10 vpanic() at vpanic+0x257/frame 0xfffffe00573aced0 panic() at panic+0xb5/frame 0xfffffe00573acf90 tcp_do_segment() at tcp_do_segment+0x596f/frame 0xfffffe00573ad270 tcp_input_with_port() at tcp_input_with_port+0x21ba/frame 0xfffffe00573ad530 tcp_input() at tcp_input+0x1f/frame 0xfffffe00573ad550 ip_input() at ip_input+0xa98/frame 0xfffffe00573ad670 netisr_dispatch_src() at netisr_dispatch_src+0x219/frame 0xfffffe00573ad750 ether_demux() at ether_demux+0x447/frame 0xfffffe00573ad810 ether_nh_input() at ether_nh_input+0xb61/frame 0xfffffe00573ad8f0 netisr_dispatch_src() at netisr_dispatch_src+0x219/frame 0xfffffe00573ad9d0 ether_input() at ether_input+0x1db/frame 0xfffffe00573adab0 vtnet_rxq_eof() at vtnet_rxq_eof+0x16d2/frame 0xfffffe00573adcd0 vtnet_rx_vq_process() at vtnet_rx_vq_process+0x189/frame 0xfffffe00573add90 ithread_loop() at ithread_loop+0x4ec/frame 0xfffffe00573adef0 fork_exit() at fork_exit+0xcc/frame 0xfffffe00573adf30 fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe00573adf30 --- trap 0, rip = 0, rsp = 0, rbp = 0 --- KDB: enter: panic [ thread pid 12 tid 100053 ] Stopped at kdb_enter+0x6e: movq $0,0x23e7cd7(%rip) db> db> set $lines = 0 db> set $maxwidth = 0 db> show registers cs 0x20 ds 0x3b es 0x3b fs 0x13 gs 0x1b ss 0x28 rax 0x12 rcx 0xfffffe00033eee30 rdx 0 rbx 0xffffffff82757580 .str.27 rsp 0xfffffe00573accf0 rbp 0xfffffe00573acd10 rsi 0 rdi 0xffffffff815dca39 printf+0x149 r8 0 r9 0xffffffff r10 0 r11 0x4 r12 0xfffffe000802a000 r13 0xfffffffffffffffd r14 0xffffffff82757580 .str.27 r15 0 rip 0xffffffff815c73be kdb_enter+0x6e rflags 0x46 kdb_enter+0x6e: movq $0,0x23e7cd7(%rip) db> show proc Process 12 (intr) at 0xfffffe0008006580: state: NORMAL uid: 0 gids: 0 parent: pid 0 at 0xffffffff839397c0 ABI: null flag: 0x10000284 flag2: 0 reaper: 0xffffffff839397c0 reapsubtree: 12 sigparent: 20 vmspace: 0xffffffff8393a760 (map 0xffffffff8393a760) (map.pmap 0xffffffff8393a800) (pmap 0xffffffff8393a870) threads: 20 100013 I [swi6: task queue] 100014 I [swi6: Giant taskq] 100016 I [swi5: fast taskq] 100033 I [swi1: netisr 0] 100034 RunQ [swi1: hpts] 100035 I [swi1: hpts] 100048 I [irq24: virtio_pci0] 100049 I [irq25: virtio_pci0] 100050 I [irq26: virtio_pci0] 100051 I [irq27: virtio_pci0] 100052 I [irq28: virtio_pci1] 100053 Run CPU 1 [irq29: virtio_pci1] 100054 I [irq30: virtio_pci1] 100055 I [irq31: virtio_pci1] 100056 I [irq32: virtio_pci1] 100061 I [irq10: virtio_pci2] 100063 I [irq1: atkbd0] 100064 I [irq12: psm0] 100065 I [swi0: uart uart++] 100069 I [swi1: pf send] db> ps pid ppid pgrp uid state wmesg wchan cmd 2886 844 844 0 R (threaded) syz-executor 100119 RunQ syz-executor 103025 RunQ syz-executor 2885 764 764 0 R (threaded) syz-executor 102868 RunQ syz-executor 103024 D ranged1 0xfffffe007e616a28 syz-executor 2884 1 844 0 S uwait 0xfffffe007a757380 syz-executor 2881 1 844 0 S uwait 0xfffffe0077c6a900 syz-executor 2877 2876 767 0 S uwait 0xfffffe007aee2000 syz-executor 2876 767 2876 0 Rs (threaded) syz-executor 102825 RunQ syz-executor 103012 D biowr 0xfffffe0008806680 syz-executor 103013 S uwait 0xfffffe007a757080 syz-executor 103015 S uwait 0xfffffe007a757780 syz-executor 2867 1 844 0 S uwait 0xfffffe007a8e0280 syz-executor 2858 1 844 0 S uwait 0xfffffe005a0e0500 syz-executor 2851 1 764 0 S uwait 0xfffffe007a759e80 syz-executor 2845 1 844 0 S uwait 0xfffffe007a756700 syz-executor 2843 1 764 -1 S uwait 0xfffffe0077c6a700 syz-executor 2838 1 764 0 S uwait 0xfffffe007a756b00 syz-executor 2837 1 764 0 S uwait 0xfffffe005a0e0d80 syz-executor 2827 1 767 0 S uwait 0xfffffe007a756580 syz-executor 2818 1 767 0 T uwait 0xfffffe007a758800 syz-executor 2807 1 844 0 T uwait 0xfffffe007a757580 syz-executor 2802 1 764 0 S uwait 0xfffffe007aee3800 syz-executor 2800 1 764 0 S uwait 0xfffffe007a756380 syz-executor 2795 1 764 0 S uwait 0xfffffe007a757180 syz-executor 2791 1 844 0 S uwait 0xfffffe007a756280 syz-executor 2789 1 844 0 T uwait 0xfffffe007e0bb800 syz-executor 2778 1 767 0 SV uwait 0xfffffe007a756e00 syz-executor 2774 1 767 0 T uwait 0xfffffe007aee3100 syz-executor 2773 1 764 0 S uwait 0xfffffe007a8e0680 syz-executor 2765 1 767 60929 S uwait 0xfffffe007a756f00 syz-executor 2764 1 767 0 S uwait 0xfffffe007a8dd480 syz-executor 2760 1 767 0 S uwait 0xfffffe007aee2080 syz-executor 2758 1 767 0 T syz-executor 2757 1 844 0 S uwait 0xfffffe007aee3000 syz-executor 2746 1 844 0 S uwait 0xfffffe007a758d80 syz-executor 2743 2742 2742 0 D ifnet_d 0xffffffff83aae480 ifconfig 2742 763 2742 0 S wait 0xfffffe00548c6020 syz-executor 2740 1 764 0 T uwait 0xfffffe007a756c00 syz-executor 2734 1 844 0 SV uwait 0xfffffe007a758280 syz-executor 2733 1 844 0 SV uwait 0xfffffe007a758400 syz-executor 2731 1 764 0 T syz-executor 2728 1 764 0 S uwait 0xfffffe007aee3880 syz-executor 2721 1 844 0 S uwait 0xfffffe007a758100 syz-executor 2718 1 844 0 S uwait 0xfffffe007a757e80 syz-executor 2717 1 767 0 S uwait 0xfffffe007a758080 syz-executor 2713 1 767 0 S uwait 0xfffffe007bb63380 syz-executor 2707 1 764 0 S uwait 0xfffffe007a8dd300 syz-executor 2705 1 767 0 S uwait 0xfffffe007a8dd080 syz-executor 2699 1 764 0 T syz-executor 2681 1 767 0 S uwait 0xfffffe007a758000 syz-executor 2659 1 764 0 S uwait 0xfffffe007bb61880 syz-executor 2658 1 844 0 S uwait 0xfffffe007a757d80 syz-executor 2656 1 764 0 S uwait 0xfffffe007a8dd180 syz-executor 2647 1 844 0 S uwait 0xfffffe007bb60880 syz-executor 2646 1 764 0 S uwait 0xfffffe007a758500 syz-executor 2644 1 844 0 S uwait 0xfffffe007a758a80 syz-executor 2642 1 764 0 SV uwait 0xfffffe0077c67580 syz-executor 2639 1 767 0 SV uwait 0xfffffe007a759000 syz-executor 2638 1 767 0 SV uwait 0xfffffe007b003b80 syz-executor 2637 1 844 0 S uwait 0xfffffe007a759100 syz-executor 2630 1 844 0 S uwait 0xfffffe007a758180 syz-executor 2619 1 844 0 S uwait 0xfffffe007a759200 syz-executor 2617 1 844 0 S uwait 0xfffffe007b000d00 syz-executor 2611 1 2610 0 S uwait 0xfffffe007e0bbf00 syz-executor 2606 1 844 0 S uwait 0xfffffe0077c67180 syz-executor 2602 1 767 0 S uwait 0xfffffe007a758e80 syz-executor 2599 1 764 0 S uwait 0xfffffe007bb60780 syz-executor 2581 1 767 0 S uwait 0xfffffe007e0b9e80 syz-executor 2576 2575 764 0 SV uwait 0xfffffe007aee3580 syz-executor 2575 2574 764 0 DV ppwait 0xfffffe007b4e7540 syz-executor 2574 2573 764 0 DV ppwait 0xfffffe007b4e7aa0 syz-executor 2573 2572 764 0 DV ppwait 0xfffffe007b4dd000 syz-executor 2572 2571 764 0 DV ppwait 0xfffffe007b4e8000 syz-executor 2571 2570 764 0 DV ppwait 0xfffffe007b4e8560 syz-executor 2570 2569 764 0 DV ppwait 0xfffffe007b4dd560 syz-executor 2569 2568 764 0 DV ppwait 0xfffffe007b4ddac0 syz-executor 2568 2567 764 0 DV ppwait 0xfffffe007b4e5500 syz-executor 2567 2566 764 0 DV ppwait 0xfffffe007b4e8ac0 syz-executor 2566 2565 764 0 DV ppwait 0xfffffe007b4c3a80 syz-executor 2565 2564 764 0 DV ppwait 0xfffffe007b4c3fe0 syz-executor 2564 2563 764 0 DV ppwait 0xfffffe007b4e5a60 syz-executor 2563 2562 764 0 DV ppwait 0xfffffe007b4e5fc0 syz-executor 2562 2561 764 0 DV ppwait 0xfffffe007b4c4540 syz-executor 2561 2560 764 0 DV ppwait 0xfffffe007b4d1560 syz-executor 2560 2559 764 0 DV ppwait 0xfffffe007b4d1ac0 syz-executor 2559 2558 764 0 DV ppwait 0xfffffe007b4da500 syz-executor 2558 2557 764 0 DV ppwait 0xfffffe007b4daa60 syz-executor 2557 2556 764 0 DV ppwait 0xfffffe007b4dafc0 syz-executor 2556 2555 764 0 DV ppwait 0xfffffe007b4db520 syz-executor 2555 2554 764 0 DV ppwait 0xfffffe007b4dba80 syz-executor 2554 2553 764 0 DV ppwait 0xfffffe007b4dbfe0 syz-executor 2553 2552 764 0 DV ppwait 0xfffffe007b4cea60 syz-executor 2552 2551 764 0 DV ppwait 0xfffffe007b4c4aa0 syz-executor 2551 2550 764 0 DV ppwait 0xfffffe007b4c5000 syz-executor 2550 2549 764 0 DV ppwait 0xfffffe007b4cefc0 syz-executor 2549 2548 764 0 DV ppwait 0xfffffe007b4cf520 syz-executor 2548 2547 764 0 DV ppwait 0xfffffe007b4cfa80 syz-executor 2547 2546 764 0 DV ppwait 0xfffffe007b4cffe0 syz-executor 2546 2545 764 0 DV ppwait 0xfffffe007b4c5560 syz-executor 2545 2543 764 0 DV ppwait 0xfffffe007b4d0540 syz-executor 2544 1 764 0 SV uwait 0xfffffe007e0b9f00 syz-executor 2543 2542 764 0 DV ppwait 0xfffffe007b4d0aa0 syz-executor 2542 2541 764 0 DV ppwait 0xfffffe007b4d1000 syz-executor 2541 2540 764 0