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

[Bernie Innocenti]

The crash takes some time to reproduce on my laptop, so I attached gdb
to an interactive bash process and got this stacktrace when it finally
crashed:

Program received signal SIGABRT, Aborted.
0x00007ffff761df79 in __GI_raise (sig=sig at entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
56	../nptl/sysdeps/unix/sysv/linux/raise.c: No such file or directory.
(gdb) bt
#0  0x00007ffff761df79 in __GI_raise (sig=sig at entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
#1  0x00007ffff7621388 in __GI_abort () at abort.c:89
#2  0x000000000044052f in programming_error ()
#3  0x00000000004b403f in ?? ()
#4  0x00000000004ae5ac in _rl_revert_all_lines ()
#5  0x0000000000494df5 in readline_internal_teardown ()
#6  0x0000000000495d26 in readline ()
#7  0x00000000004215aa in ?? ()
#8  0x0000000000423736 in ?? ()
#9  0x0000000000426612 in ?? ()
#10 0x0000000000429bf4 in yyparse ()
#11 0x0000000000420ebb in parse_command ()
#12 0x0000000000420f8c in read_command ()
#13 0x0000000000421189 in reader_loop ()
#14 0x000000000041f729 in main ()

I installed readline-gdb and will follow up when I see another crash.

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

Title:
  bash crashed with SIGABRT in programming_error()

Status in “bash” package in Ubuntu:
  In Progress
Status in “bash” source package in Trusty:
  In Progress

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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