[Bug 624936] Re: libc usage leads to crash from reliant app

[Adam Conrad]

This "wfica" isn't from the Ubuntu repositories, and an application that
causes a SEGV in libc is generally buggy, not libc itself.  If you
believe otherwise, please submit a small source reproducer and an
explanation of the crash.

** Changed in: eglibc (Ubuntu)
       Status: New => Invalid

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Title:
  libc usage leads to crash from reliant app

Status in “eglibc” package in Ubuntu:
  Invalid

Bug description:
  Description:	Ubuntu 10.04.1 LTS
  Release:	10.04

  libc6:
    Installed: 2.11.1-0ubuntu7.2
    Candidate: 2.11.1-0ubuntu7.2
    Version table:
   *** 2.11.1-0ubuntu7.2 0
          500 http://us.archive.ubuntu.com/ubuntu/ lucid-updates/main Packages
          100 /var/lib/dpkg/status
       2.11.1-0ubuntu7.1 0
          500 http://security.ubuntu.com/ubuntu/ lucid-security/main Packages
       2.11.1-0ubuntu7 0
          500 http://us.archive.ubuntu.com/ubuntu/ lucid/main Packages

  Aug 26 16:04:36 topgun kernel: [  813.069314] wfica[2249]: segfault at
  737380 ip 00000000f74c9b61 sp 00000000ffd8e780 error 4 in
  libc-2.11.1.so[f7459000+153000]

  Aug 26 16:05:29 topgun kernel: [  865.762324] wfica[2288]: segfault at
  9ca5b1 ip 00000000f7485b61 sp 00000000ff9e02a0 error 4 in
  libc-2.11.1.so[f7415000+153000]

  Aug 26 16:13:11 topgun kernel: [ 1327.871643] wfica[2298]: segfault at
  848480 ip 00000000f73e1b61 sp 00000000ffdc9760 error 4 in
  libc-2.11.1.so[f7371000+153000]

  wfica is the Citrix Receiver :
  http://www.citrix.com/English/ss/downloads/details.asp?downloadId=3323&productId=186&c1=sot2755#top

  This crash happens intermittently, either by mouse input, timer or
  some other interaction.

  
  What should happen is that the application should continue to function normally, instead something causes this crash and remote sessions are lost.  I don;t believe this is a package available via apt-get/synaptic.

  ProblemType: Bug
  DistroRelease: Ubuntu 10.04
  Package: libc6 2.11.1-0ubuntu7.2
  ProcVersionSignature: Ubuntu 2.6.32-24.41-generic 2.6.32.15+drm33.5
  Uname: Linux 2.6.32-24-generic x86_64
  NonfreeKernelModules: nvidia
  Architecture: amd64
  Date: Thu Aug 26 16:40:02 2010
  InstallationMedia: Ubuntu 10.04.1 LTS "Lucid Lynx" - Release amd64 (20100816.1)
  ProcEnviron:
   PATH=(custom, user)
   LANG=en_US.utf8
   SHELL=/bin/bash
  SourcePackage: eglibc

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