[Bug 968753] Re: ssh crashed with SIGSEGV

[Robie Basak]

Mike,

Thank you for your involvement in this bug and helping to make Ubuntu
better.

The rt.openssl.org link you posted above does not appear to be public.
Is the fix you refer to in there, and if so, please could you paste a
publicly available link or paste the fix here?

Thanks!

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https://bugs.launchpad.net/bugs/968753

Title:
  ssh crashed with SIGSEGV

Status in “openssh” package in Ubuntu:
  New

Bug description:
  trying to login to certain hosts (Cisco, Solaris) using ssh causes
  segfault immediately following  the authentication stage.

  ApportVersion: 1.95-0ubuntu1
  Dependencies:
   adduser 3.113ubuntu2
   coreutils 8.13-3ubuntu2
   debconf 1.5.42ubuntu1
   debianutils 4.2.1ubuntu2
   dpkg 1.16.1.2ubuntu5
   gcc-4.6-base 4.6.3-1ubuntu3
   libacl1 2.2.51-5ubuntu1
   libattr1 1:2.4.46-5ubuntu1
   libbsd0 0.3.0-1build1
   libbz2-1.0 1.0.6-1
   libc-bin 2.15-0ubuntu6
   libc6 2.15-0ubuntu6
   libcomerr2 1.42-1ubuntu1
   libdb5.1 5.1.25-11build1
   libedit2 2.11-20080614-3ubuntu1
   libgcc1 1:4.6.3-1ubuntu3
   libgssapi-krb5-2 1.10+dfsg~beta1-2
   libk5crypto3 1.10+dfsg~beta1-2
   libkeyutils1 1.5.2-2
   libkrb5-3 1.10+dfsg~beta1-2
   libkrb5support0 1.10+dfsg~beta1-2
   liblzma5 5.1.1alpha+20110809-3
   libpam-modules 1.1.3-7ubuntu2
   libpam-modules-bin 1.1.3-7ubuntu2
   libpam0g 1.1.3-7ubuntu2
   libselinux1 2.1.0-4.1ubuntu1
   libssl1.0.0 1.0.1-2ubuntu2
   libtinfo5 5.9-4
   multiarch-support 2.15-0ubuntu6
   passwd 1:4.1.4.2+svn3283-3ubuntu4
   perl-base 5.14.2-6ubuntu2
   sensible-utils 0.0.6ubuntu2
   tar 1.26-4
   tzdata 2012b-1
   xz-utils 5.1.1alpha+20110809-3
   zlib1g 1:1.2.3.4.dfsg-3ubuntu4
  Disassembly:
   => 0xb757944d: movdqu (%edx),%xmm0
      0xb7579451: jne    0xb7579370
      0xb7579457: movdqa 0x60(%ebx),%xmm4
      0xb757945c: pshufb %xmm2,%xmm4
      0xb7579461: pxor   %xmm0,%xmm4
      0xb7579465: movdqa 0x70(%ebx),%xmm0
      0xb757946a: movdqa (%ecx),%xmm2
      0xb757946e: pshufb %xmm3,%xmm0
      0xb7579473: pxor   %xmm4,%xmm0
      0xb7579477: pshufb %xmm2,%xmm0
      0xb757947c: ret    
      0xb757947d: lea    0x0(%esi),%esi
      0xb7579480: add    (%esp),%ebp
      0xb7579483: movdqu (%esi),%xmm0
      0xb7579487: movdqa 0x140(%ebp),%xmm2
      0xb757948f: movdqa %xmm0,%xmm3
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta i386 (20120328)
  Package: openssh-client 1:5.9p1-4ubuntu1
  PackageArchitecture: i386
  ProcVersionSignature: Ubuntu 3.2.0-20.33-generic-pae 3.2.12
  Registers:
   eax            0x2def2882      770648194
   ecx            0xb7578f80      -1218998400
   edx            0xb938aff8      -1187467272
   ebx            0xb75790d0      -1218998064
   esp            0xbf8ba31c      0xbf8ba31c
   ebp            0xb7578e70      0xb7578e70
   esi            0xb937ce90      -1187524976
   edi            0xffffdd90      -8816
   eip            0xb757944d      0xb757944d
   eflags         0x10206 [ PF IF RF ]
   cs             0x73    115
   ss             0x7b    123
   ds             0x7b    123
   es             0x7b    123
   fs             0x0     0
   gs             0x33    51
  RelatedPackageVersions:
   ssh-askpass       N/A
   libpam-ssh        N/A
   keychain          2.7.1-1
   ssh-askpass-gnome 1:5.9p1-4ubuntu1
  SSHClientVersion: OpenSSH_5.9p1 Debian-4ubuntu1, OpenSSL 1.0.1 14 Mar 2012
  SegvAnalysis:
   Segfault happened at: 0xb757944d:      movdqu (%edx),%xmm0
   PC (0xb757944d) ok
   source "(%edx)" (0xb938aff8) ok
   destination "%xmm0" ok
   SP (0xbf8ba31c) ok
   Reason could not be automatically determined.
  SourcePackage: openssh
  Stacktrace:
   #0  0xb757944d in ?? () from /lib/i386-linux-gnu/libcrypto.so.1.0.0
   No symbol table info available.
   Cannot access memory at address 0xb7578e74
  StacktraceTop: ?? () from /lib/i386-linux-gnu/libcrypto.so.1.0.0
  Tags:  precise
  ThreadStacktrace:
   .
   Thread 1 (Thread 0xb71fa740 (LWP 30147)):
   #0  0xb757944d in ?? () from /lib/i386-linux-gnu/libcrypto.so.1.0.0
   No symbol table info available.
   Cannot access memory at address 0xb7578e74
  Title: ssh crashed with SIGSEGV
  UpgradeStatus: No upgrade log present (probably fresh install)

  ProblemType: Crash
  DistroRelease: Ubuntu 12.04
  Package: openssh-client 1:5.9p1-4ubuntu1
  ProcVersionSignature: Ubuntu 3.2.0-20.33-generic-pae 3.2.12
  Uname: Linux 3.2.0-20-generic-pae i686
  ApportVersion: 1.95-0ubuntu1
  Architecture: i386
  Date: Thu Mar 29 17:23:17 2012
  ExecutablePath: /usr/bin/ssh
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta i386 (20120328)
  ProcCmdline: ssh trumpeter
  ProcEnviron:
   TERM=screen
   SHELL=/bin/bash
   LANG=en_US.UTF-8
   LANGUAGE=
  SSHClientVersion: OpenSSH_5.9p1 Debian-4ubuntu1, OpenSSL 1.0.1 14 Mar 2012
  Signal: 11
  SourcePackage: openssh
  StacktraceTop: ?? () from /lib/i386-linux-gnu/libcrypto.so.1.0.0
  Title: ssh crashed with SIGSEGV
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

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