Comment 6 for bug 1842726

Look like this is a duplicate of https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1842447

Just for the record: here is the kernel stack trace:

crash> bt
PID: 0 TASK: ffffffff82413480 CPU: 0 COMMAND: "swapper/0"
 #0 [ffff88807fc037d8] die at ffffffff81031d32
 #1 [ffff88807fc03808] do_trap at ffffffff8102dbf1
 #2 [ffff88807fc03850] do_error_trap at ffffffff8102e1b6
 #3 [ffff88807fc03910] do_invalid_op at ffffffff8102e670
 #4 [ffff88807fc03920] invalid_op at ffffffff81a00edb
    [exception RIP: ip_do_fragment+1154]
    RIP: ffffffff818ba2d2 RSP: ffff88807fc039d8 RFLAGS: 00010202
    RAX: 0000000000000001 RBX: ffff888077027900 RCX: ffffffff8184cdf0
    RDX: 0000000000000034 RSI: 00000000000005c8 RDI: ffff888078d8cb00
    RBP: ffff88807fc03a40 R8: ffff888078cf3600 R9: 00000000000005dc
    R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000014
    R13: ffff888078d8c800 R14: 0000000000000678 R15: ffff888078cf364e
    ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018
 #5 [ffff88807fc03a48] ip_fragment.constprop.45 at ffffffff818ba6b3
 #6 [ffff88807fc03a60] ip_finish_output at ffffffff818ba872
 #7 [ffff88807fc03aa0] ip_output at ffffffff818bbd50
 #8 [ffff88807fc03b00] ip_forward_finish at ffffffff818b7951
 #9 [ffff88807fc03b28] ip_forward at ffffffff818b7cf6
#10 [ffff88807fc03b98] ip_rcv_finish at ffffffff818b57f9
#11 [ffff88807fc03bd0] ip_rcv at ffffffff818b61e6
#12 [ffff88807fc03c38] __netif_receive_skb_core at ffffffff81867f82
#13 [ffff88807fc03cd8] __netif_receive_skb at ffffffff81868708
#14 [ffff88807fc03d08] netif_receive_skb_internal at ffffffff8186aa95
#15 [ffff88807fc03d38] napi_gro_receive at ffffffff8186b815
#16 [ffff88807fc03d60] receive_buf at ffffffffc0034f92 [virtio_net]
#17 [ffff88807fc03e48] virtnet_poll at ffffffffc00361e2 [virtio_net]
#18 [ffff88807fc03ec0] net_rx_action at ffffffff8186aef0
#19 [ffff88807fc03f40] __softirqentry_text_start at ffffffff81c000e4
#20 [ffff88807fc03fa8] irq_exit at ffffffff81096ae5
#21 [ffff88807fc03fb8] do_IRQ at ffffffff81a02736
--- <IRQ stack> ---