A null pointer deference is occurring in dccp_v4_ctl_send_reset:

[ 174.691794] Unable to handle kernel paging request for data at address
0x000002f4

This is an offset from the pointer in register GRP09, which is zero:

[ 174.695217] GPR08: c000001df14a0800 0000000000000000 c000001e3b60c400
0000000000000000

Looking at the object code, I believe this oops is because the control
sockets have been cleared for some reason, although it's not obvious
why.

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https://bugs.launchpad.net/bugs/1680349

Title:
  Ubuntu 17.04: Kdump fails to capture dump on Firestone NV when machine
  crashes while running stress-ng.

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