[Bug 1294669] Re: bash crashed with SIGABRT in programming_error()

[Colin King]

so it appears the ! token is the culprit at a guess:

ps = {parser_state = 524288, token_state = 0x1629768, token = 0x11f4008 "!", token_buffer_size = 1520, input_line_terminator = 0, eof_encountered = 0, prompt_string_pointer = 0x6fc920 <ps1_prompt>, current_command_line_count = 0, remember_on_history = 1, history_expansion_inhibited = 0, last_command_exit_value = 1, pipestatus = 0x11fd588, last_shell_builtin = 0x0, this_shell_builtin = 0x0, expand_aliases = 1, echo_input_at_read = 0}
#14 0x0000000000420e43 in parse_command () at .././eval.c:231

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https://bugs.launchpad.net/bugs/1294669

Title:
  bash crashed with SIGABRT in programming_error()

Status in “bash” package in Ubuntu:
  Triaged

Bug description:
  bash just died under me, I think I was just doing cursor up to get a
  previous command and it segfaulted.  This has happened several times
  this week and is getting annoying

  ProblemType: Crash
  DistroRelease: Ubuntu 14.04
  Package: bash 4.3-2ubuntu1
  ProcVersionSignature: Ubuntu 3.13.0-16.36-lowlatency 3.13.5
  Uname: Linux 3.13.0-16-lowlatency x86_64
  ApportVersion: 2.13.3-0ubuntu1
  Architecture: amd64
  CrashCounter: 1
  CurrentDesktop: Unity
  Date: Wed Mar 19 14:08:22 2014
  EcryptfsInUse: Yes
  ExecutablePath: /bin/bash
  InstallationDate: Installed on 2013-12-09 (99 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20131209)
  ProcCmdline: bash
  Signal: 6
  SourcePackage: bash
  StacktraceTop:
   programming_error ()
   ?? ()
   sh_xrealloc ()
   ?? ()
   ?? ()
  Title: bash crashed with SIGABRT in programming_error()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip libvirtd lpadmin plugdev sambashare sbuild sudo

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