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[Apport retracing service <1501096@xxxxxxxxxxxxxxxxxx>]

*** This bug is a duplicate of bug 1497534 ***
    https://bugs.launchpad.net/bugs/1497534

Thank you for taking the time to report this crash and helping to make
this software better.  This particular crash has already been reported
and is a duplicate of bug #1497534, so is being marked as such.  Please
look at the other bug report to see if there is any missing information
that you can provide, or to see if there is a workaround for the bug.
Additionally, any further discussion regarding the bug should occur in
the other report.  Please continue to report any other bugs you may
find.

** Attachment removed: "CoreDump.gz"
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** Attachment removed: "Disassembly.txt"
   https://bugs.launchpad.net/bugs/1501096/+attachment/4479381/+files/Disassembly.txt

** Attachment removed: "ProcMaps.txt"
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** Attachment removed: "ProcStatus.txt"
   https://bugs.launchpad.net/bugs/1501096/+attachment/4479384/+files/ProcStatus.txt

** Attachment removed: "Registers.txt"
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** Attachment removed: "Stacktrace.txt"
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** Attachment removed: "ThreadStacktrace.txt"
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** This bug has been marked a duplicate of bug 1497534
   apt-get crashed with SIGSEGV in strlen()

** Information type changed from Private to Public

** Tags removed: need-amd64-retrace

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https://bugs.launchpad.net/bugs/1501096

Title:
  apt-get crashed with SIGSEGV in strlen()

Status in apt package in Ubuntu:
  New

Bug description:
  sudo apt-get remove llvm-3.7, note that llvm wasn't installed since i
  installed llvm-3.7 explicitly before

  ProblemType: Crash
  DistroRelease: Ubuntu 15.10
  Package: apt 1.0.9.10ubuntu7
  ProcVersionSignature: Ubuntu 4.2.0-11.13-generic 4.2.1
  Uname: Linux 4.2.0-11-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.19-0ubuntu1
  Architecture: amd64
  Date: Tue Sep 29 15:49:35 2015
  ExecutablePath: /usr/bin/apt-get
  InstallationDate: Installed on 2015-08-27 (33 days ago)
  InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
  ProcCmdline: apt-get remove llvm-3.7
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_CA.UTF-8
   LANGUAGE=en_CA:en
   SHELL=/bin/bash
  SegvAnalysis:
   Segfault happened at: 0x7f0ccd5c67d0 <strlen+256>:	movdqa 0x40(%rax),%xmm8
   PC (0x7f0ccd5c67d0) ok
   source "0x40(%rax)" (0x55dcf7003000) not located in a known VMA region (needed readable region)!
   destination "%xmm8" ok
  SegvReason: reading unknown VMA
  Signal: 11
  SourcePackage: apt
  StacktraceTop:
   strlen () at ../sysdeps/x86_64/strlen.S:203
   debTranslationsIndex::IndexURI[abi:cxx11](char const*) const () from /usr/lib/x86_64-linux-gnu/libapt-pkg.so.4.16
   debTranslationsIndex::Exists() const () from /usr/lib/x86_64-linux-gnu/libapt-pkg.so.4.16
   ?? () from /usr/lib/x86_64-linux-gnu/libapt-pkg.so.4.16
   pkgCacheGenerator::MakeStatusCache(pkgSourceList&, OpProgress*, MMap**, bool) () from /usr/lib/x86_64-linux-gnu/libapt-pkg.so.4.16
  Title: apt-get crashed with SIGSEGV in strlen()
  UpgradeStatus: Upgraded to wily on 2015-09-29 (0 days ago)
  UserGroups:

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