[Bug 929219]

[Aj-suse]

this is fixed now with:

commit 509072a0f7f8a37bedf61a78c0cdd7783368c65a
Author: Andreas Jaeger <aj at suse.de>
Date:   Tue May 15 20:35:53 2012 +0200

    Avoid race in nscd
    
    2012-05-15  Jeff Law  <law at redhat.com>
                Andreas Jaeger  <aj at suse.de>
    
            [BZ #13594]
            * nscd/nscd-client.h (__nscd_acquire_maplock): New function, split
            out from...
            * nscd/nscd_helper.c (__nscd_get_map_ref): ... here.
            * nscd/nscd-client.h: Add __nscd_acquire_maplock.
            * nscd/nscd_gethst_r.c (__nscd_get_nl_timestamp): Add locking to
            code changing __hst_map_handle.map.

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https://bugs.launchpad.net/bugs/929219

Title:
  chromium-browser, gvfsd-http and others using eglibc crash with
  SIGSEGV in __nscd_get_mapping() or gethostbyname2_r()

Status in Embedded GLIBC:
  Fix Released
Status in The GNU C Library:
  Fix Released
Status in “chromium-browser” package in Ubuntu:
  Invalid
Status in “eglibc” package in Ubuntu:
  Fix Released
Status in “chromium-browser” source package in Precise:
  Invalid
Status in “eglibc” source package in Precise:
  Fix Released

Bug description:
  updated latest - rebooted and tried to open chromium, no such luck

  ProblemType: Crash
  DistroRelease: Ubuntu 12.04
  Package: chromium-browser 16.0.912.77~r118311-0ubuntu1
  ProcVersionSignature: Ubuntu 3.2.0-14.23-generic 3.2.3
  Uname: Linux 3.2.0-14-generic i686
  ApportVersion: 1.91-0ubuntu1
  Architecture: i386
  CheckboxSubmission: 8617bffd198177508bf030f94c880aca
  CheckboxSystem: bb422ca46d02494cdbc459927a98bc2f
  CrashCounter: 1
  CrashDB: ubuntu
  Date: Thu Feb  9 00:48:53 2012
  Desktop-Session:
   DESKTOP_SESSION = ubuntu
   XDG_CONFIG_DIRS = /etc/xdg/xdg-ubuntu:/etc/xdg
   XDG_DATA_DIRS = /usr/share/ubuntu:/usr/share/gnome:/usr/local/share/:/usr/share/
  Env:
   MOZ_PLUGIN_PATH = None
   LD_LIBRARY_PATH = None
  ExecutablePath: /usr/lib/chromium-browser/chromium-browser
  InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012)
  ProcCmdline: /usr/lib/chromium-browser/chromium-browser
  ProcEnviron:
   
  SegvAnalysis:
   Segfault happened at: 0xb7db005:	lock xadd %ecx,0xc(%eax)
   PC (0x0b7db005) ok
   source "%ecx" ok
   destination "0xc(%eax)" (0x0000000b) not located in a known VMA region (needed writable region)!
   Stack memory exhausted (SP below stack segment)
  SegvReason: writing NULL VMA
  Signal: 11
  SourcePackage: chromium-browser
  StacktraceTop:
   ?? () from /lib/i386-linux-gnu/libc.so.6
   ?? () from /lib/i386-linux-gnu/libc.so.6
   ?? () from /lib/i386-linux-gnu/libc.so.6
   ?? () from /lib/i386-linux-gnu/libc.so.6
   gethostbyname2_r () from /lib/i386-linux-gnu/libc.so.6
  ThirdParty: True
  Title: chromium-browser crashed with SIGSEGV in gethostbyname2_r()
  UpgradeStatus: Upgraded to precise on 2012-02-05 (3 days ago)
  UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
  chromium-default: CHROMIUM_FLAGS=""

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