[Bug 1824004] Re: apt install of s390-tools-zkey triggers kernel user process fault

[Frank Heimes]

** Changed in: s390-tools (Ubuntu)
       Status: New => Confirmed

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Title:
  apt install of s390-tools-zkey triggers kernel user process fault

Status in s390-tools package in Ubuntu:
  Confirmed

Bug description:
  ubuntu at s5lp8:~$ lsb_release -rd
  Description:    Ubuntu Disco Dingo (development branch)
  Release:        19.04

  ubuntu at s5lp8:~$ apt-cache policy s390-tools-zkey
  s390-tools-zkey:
    Installed: 2.8.0-0ubuntu5
    Candidate: 2.8.0-0ubuntu5
    Version table:
   *** 2.8.0-0ubuntu5 500
          500 http://us.ports.ubuntu.com/ubuntu-ports disco/main s390x Packages
          100 /var/lib/dpkg/status

  apt-get install of the s390-tools-zkey package triggers kernel User
  process fault, seen in syslog

  The exact command run was:
  sudo apt-get --quiet -o Debug::pkgProblemResolver=true -o APT::Get::force-yes=true -o APT::Get::force-yes=true -o APT::Get::Assume-Yes=true --reinstall install s390-tools-zkey

  Below is the first fault from syslog. Please see the attached
  sosreport for more detail.

  Apr  9 13:30:02 s5lp8 kernel: [72730.668143] User process fault: interruption code 0010 ilc:2 in ld-2.29.so[7d274000+1f000]
  Apr  9 13:30:02 s5lp8 kernel: [72730.668153] Failing address: 0000000000000000 TEID: 0000000000000800
  Apr  9 13:30:02 s5lp8 kernel: [72730.668154] Fault in primary space mode while using user ASCE.
  Apr  9 13:30:02 s5lp8 kernel: [72730.668157] AS:00000001dca281c3 S:0000000000000020
  Apr  9 13:30:02 s5lp8 kernel: [72730.668162] CPU: 1 PID: 63683 Comm: ld.so.1 Tainted: P           O      5.0.0-8-generic #9-Ubuntu
  Apr  9 13:30:02 s5lp8 kernel: [72730.668163] Hardware name: IBM 2964 N63 400 (LPAR)
  Apr  9 13:30:02 s5lp8 kernel: [72730.668165] User PSW : 0705000080000000 000000007d2757da
  Apr  9 13:30:02 s5lp8 kernel: [72730.668166]            R:0 T:1 IO:1 EX:1 Key:0 M:1 W:0 P:1 AS:0 CC:0 PM:0 RI:0 EA:1
  Apr  9 13:30:02 s5lp8 kernel: [72730.668168] User GPRS: 000002aa70000022 000003ff00000000 0000000000000000 000002aa00000000
  Apr  9 13:30:02 s5lp8 kernel: [72730.668169]            000002aa00000000 000000006fffffff ffffffff0000000a 000002aa7d274000
  Apr  9 13:30:02 s5lp8 kernel: [72730.668170]            000002aa7d295020 0000000000000000 000002aa6ffffdff 000002aa7d295624
  Apr  9 13:30:02 s5lp8 kernel: [72730.668170]            000003ff7d294fbc 000002aa7d28b388 000000003d29525c 000000007fcce4a0
  Apr  9 13:30:02 s5lp8 kernel: [72730.668179] User Code: 000000007d2757d0: 1a32          ar      %r3,%r2
  Apr  9 13:30:02 s5lp8 kernel: [72730.668179]            000000007d2757d2: 5030f060              st      %r3,96(%r15)
  Apr  9 13:30:02 s5lp8 kernel: [72730.668179]           #000000007d2757d6: 58208550              l       %r2,1360(%r8)
  Apr  9 13:30:02 s5lp8 kernel: [72730.668179]           >000000007d2757da: 58202004              l       %r2,4(%r2)
  Apr  9 13:30:02 s5lp8 kernel: [72730.668179]            000000007d2757de: 5020f064              st      %r2,100(%r15)
  Apr  9 13:30:02 s5lp8 kernel: [72730.668179]            000000007d2757e2: 1591          clr     %r9,%r1
  Apr  9 13:30:02 s5lp8 kernel: [72730.668179]            000000007d2757e4: a7c4000e              brc     12,7d275800
  Apr  9 13:30:02 s5lp8 kernel: [72730.668179]            000000007d2757e8: 58201000              l       %r2,0(%r1)
  Apr  9 13:30:02 s5lp8 kernel: [72730.668190] Last Breaking-Event-Address:
  Apr  9 13:30:02 s5lp8 kernel: [72730.668194]  [<000000007d2757b0>] 0x7d2757b0

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