[Bug 1818953] Re: mblen() failing in Perl / Perl core dumping core on UBUNTU 19.04 by executing perl script, multiple architectures

[Niko Tyni]

On Mon, Mar 18, 2019 at 05:48:51PM -0000, Steve Langasek wrote:
> On Sat, Mar 16, 2019 at 04:53:35PM -0000, Niko Tyni wrote:
> > On Thu, Mar 14, 2019 at 12:25:22AM -0000, Dimitri John Ledkov wrote:
> > > @ntyni excellent analysis! i like it a lot, and the patch is clean and
> > > easy to understand.
> 
> > > Are you going to make a debian upload soon, or should I cherrypick that
> > > for Ubuntu now?
> 
> > Fixed in Debian 5.28.1-5, which I've just uploaded.
> 
> Thanks, I've synced this to Ubuntu but unfortunately it's failing on the
> newly-added arch-specific tests for NDBM:

Sorry about the inconvenience and thanks for noting. I've filed
https://bugs.debian.org/925179 about this.
-- 
Niko Tyni   ntyni at debian.org


** Bug watch added: Debian Bug tracker #925179
   https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=925179

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https://bugs.launchpad.net/bugs/1818953

Title:
  mblen() failing in Perl / Perl core dumping core on UBUNTU 19.04 by
  executing perl script, multiple architectures

Status in The Ubuntu-power-systems project:
  Confirmed
Status in perl package in Ubuntu:
  Confirmed
Status in perl source package in Disco:
  Confirmed
Status in perl package in Debian:
  Unknown

Bug description:
  == Comment: #0 - NAGENDRA P. DONTAMSETTY <ndontams at in.ibm.com> - 2019-02-28 00:14:49 ==
  ---Problem Description---
  Perl core dumping core on UBUNTU 19.04 by executing perl script
   
  ---uname output---
  root at p8ct1p13:/tmp# uname -a Linux p8ct1p13.in.ibm.com 4.19.0-13-generic #14-Ubuntu SMP Thu Feb 7 21:50:00 UTC 2019 ppc64le ppc64le ppc64le GNU/Linux
   
  Machine Type = ppc64le and power8 
   
  ---Debugger Data---
  root at p8ct1p13:/tmp# file core
  core: ELF 64-bit LSB core file, 64-bit PowerPC or cisco 7500, version 1 (SYSV), SVR4-style, from '/usr/bin/perl /usr/bin/mkrsrc IBM.Ray Name=fvt1 NodeNameList={p8ct1p09.in.ibm.c', real uid: 0, effective uid: 0, real gid: 0, effective gid: 0, execfn: '/usr/bin/mkrsrc', platform: 'power8'
   
   
  ---Steps to Reproduce---
   Description:  Perl core dumpinmg core on UBUNTU 19.04 by exec cmd "mkrsrc"

  
  root at p8ct1p13:/tmp# uname -a
  Linux p8ct1p13.in.ibm.com 4.19.0-13-generic #14-Ubuntu SMP Thu Feb 7 21:50:00 UTC 2019 ppc64le ppc64le ppc64le GNU/Linux

  
  root at p8ct1p13:~# cat /etc/os-release
  NAME="Ubuntu"
  VERSION="19.04 (Disco Dingo)"
  ID=ubuntu
  ID_LIKE=debian
  PRETTY_NAME="Ubuntu Disco Dingo (development branch)"
  VERSION_ID="19.04"
  HOME_URL="https://www.ubuntu.com/"
  SUPPORT_URL="https://help.ubuntu.com/"
  BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/"
  PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy"
  VERSION_CODENAME=disco
  UBUNTU_CODENAME=disco

  
  root at p8ct1p13:~# ctversion -bv
  RSCT_Build_Name=rsholxs002a 3.2.4.2 RSCT_Build_Time=19043.16:11:49 RSCT_Build_Context=ppc64le_linux_2

  
  root at p8ct1p13:/tmp# mkrsrc IBM.Ray Name="fvt1" NodeNameList={"p8ct1p09.in.ibm.com"} ManualMode=0 Int32=00 String="Initial Test String 2"
  perl: mbrtowc.c:105: __mbrtowc: Assertion `__mbsinit (data.__statep)' failed.
  Aborted (core dumped)

  root at p8ct1p13:/tmp# file core
  core: ELF 64-bit LSB core file, 64-bit PowerPC or cisco 7500, version 1 (SYSV), SVR4-style, from '/usr/bin/perl /usr/bin/mkrsrc IBM.Ray Name=fvt1 NodeNameList={p8ct1p09.in.ibm.c', real uid: 0, effective uid: 0, real gid: 0, effective gid: 0, execfn: '/usr/bin/mkrsrc', platform: 'power8'

  
  root at p8ct1p13:/tmp# which mkrsrc
  /usr/bin/mkrsrc

  root at p8ct1p13:/tmp# file /usr/bin/mkrsrc

  /usr/bin/mkrsrc: symbolic link to /opt/rsct/bin/mkrsrc

  root at p8ct1p13:/tmp# file /opt/rsct/bin/mkrsrc
  /opt/rsct/bin/mkrsrc: Perl script text executable
   
  Contact Information = Nagendra Dontamsetty/ndontams at in.ibm.com, Anirban/anirbank at in.ibm.com 
   
  Userspace tool common name: perl 5 
   
  The userspace tool has the following bit modes: 64bit 

  Userspace rpm: ii  perl                                  5.28.1-4
  ppc64el

  Userspace tool obtained from project website:  na 
   
  *Additional Instructions for Nagendra Dontamsetty/ndontams at in.ibm.com, Anirban/anirbank at in.ibm.com: 
  -Post a private note with access information to the machine that is currently in the debugger.
  -Attach ltrace and strace of userspace application.

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