[Bug 1717367] Re: FTBFS: segfaults in testsuite with perl 5.26.0-7

[Launchpad Bug Tracker]

This bug was fixed in the package perl - 5.26.0-8ubuntu1

---------------
perl (5.26.0-8ubuntu1) artful; urgency=medium

  * Build-depend on libc6-dev (>= 2.26).
  * Restore the SIGUNUSED signal. LP: #1717367.
  * Changes can be dropped with the next perl ABI bump, or with a perl
    upstream fix to restore ABI compatibility with glibc-2.26.

perl (5.26.0-8) unstable; urgency=high

  * [SECURITY] CVE-2017-12837: Fix a heap buffer overflow in regular
    expression compiler. (Closes: #875596)
  * [SECURITY] CVE-2017-12883: Fix a buffer over-read in regular
    expression parser.   (Closes: #875597)

 -- Matthias Klose <doko at ubuntu.com>  Fri, 15 Sep 2017 18:13:42 +0200

** Changed in: perl (Ubuntu)
       Status: New => Fix Released

** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2017-12837

** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2017-12883

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https://bugs.launchpad.net/bugs/1717367

Title:
  FTBFS: segfaults in testsuite with perl 5.26.0-7

Status in glibc package in Ubuntu:
  New
Status in libanyevent-perl package in Ubuntu:
  New
Status in perl package in Ubuntu:
  Fix Released

Bug description:
  The autopkgtests segfault against perl 5.26.0-7 in Ubuntu, and the new
  version of the package also fails to build in -proposed because the
  tests are segfaulting at package build time.

  $ perl ./t/02_signals.t
  1..5
  ok 1
  Segmentation fault (core dumped)
  $ gdb --args perl ./t/02_signals.t
  GNU gdb (Ubuntu 8.0.1-0ubuntu1) 8.0.1
  Copyright (C) 2017 Free Software Foundation, Inc.
  [...]
  (gdb) run
  Starting program: /usr/bin/perl ./t/02_signals.t
  [Thread debugging using libthread_db enabled]
  Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
  1..5
  ok 1

  Program received signal SIGSEGV, Segmentation fault.
  0x00007ffff738811e in ?? () from /lib/x86_64-linux-gnu/libc.so.6
  (gdb) bt
  #0  0x00007ffff738811e in ?? () from /lib/x86_64-linux-gnu/libc.so.6
  #1  0x00007ffff626591d in ?? ()
     from /usr/lib/x86_64-linux-gnu/perl5/5.26/auto/Async/Interrupt/Interrupt.so
  #2  0x00007ffff62672a9 in ?? ()
     from /usr/lib/x86_64-linux-gnu/perl5/5.26/auto/Async/Interrupt/Interrupt.so
  #3  0x000055555562fab1 in Perl_pp_entersub ()
  #4  0x00005555556278e6 in Perl_runops_standard ()
  #5  0x00005555555a8d87 in perl_run ()
  #6  0x0000555555580332 in main ()
  (gdb)

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