[Bug 1562285] Re: packagekitd crashed with SIGSEGV in strlen()

[David Hoeffer]

This happens when http_proxy is not set. To reproduce, run
root# unset http_proxy
root# pkcon get-updates
Getting updates               [=========================]         
Starting                      [            ==           ]         The daemon crashed mid-transaction!

It's fixed upstrem:
https://github.com/hughsie/PackageKit/commit/e94b80f90179db18221b2eff93b4561b5418fbfb
#diff-0f4bea38f9a8f781e01b5dce9e95812c

so presumably it's only a question of pulling a newer upstream version.

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https://bugs.launchpad.net/bugs/1562285

Title:
  packagekitd crashed with SIGSEGV in strlen()

Status in packagekit package in Ubuntu:
  Confirmed

Bug description:
  packagekitd crashed with SIGSEGV in strlen()

  ProblemType: Crash
  DistroRelease: Ubuntu 16.04
  Package: packagekit 0.8.17-4ubuntu6~gcc5.4ubuntu1
  ProcVersionSignature: Ubuntu 4.4.0-15.31-generic 4.4.6
  Uname: Linux 4.4.0-15-generic x86_64
  ApportVersion: 2.20-0ubuntu3
  Architecture: amd64
  Date: Sat Mar 26 12:05:03 2016
  ExecutablePath: /usr/lib/packagekit/packagekitd
  InstallationDate: Installed on 2016-03-25 (0 days ago)
  InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Beta amd64 (20160323)
  ProcCmdline: /usr/lib/packagekit/packagekitd
  SegvAnalysis:
   Segfault happened at: 0x7f642c2abed6 <strlen+38>:	movdqu (%rax),%xmm4
   PC (0x7f642c2abed6) ok
   source "(%rax)" (0x00000000) not located in a known VMA region (needed readable region)!
   destination "%xmm4" ok
   Stack memory exhausted (SP below stack segment)
  SegvReason: reading NULL VMA
  Signal: 11
  SourcePackage: packagekit
  StacktraceTop:
   strlen () at ../sysdeps/x86_64/strlen.S:106
   __add_to_environ (name=0x7f641a6fe9ef "http_proxy", value=0x0, combined=0x0, replace=1) at setenv.c:131
   AptIntf::init() () from /usr/lib/x86_64-linux-gnu/packagekit-backend/libpk_backend_aptcc.so
   ?? () from /usr/lib/x86_64-linux-gnu/packagekit-backend/libpk_backend_aptcc.so
   ?? ()
  Title: packagekitd crashed with SIGSEGV in strlen()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:

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