[Bug 929219] Re: chromium-browser, gvfsd-http and others using eglibc crash with SIGSEGV in __nscd_get_mapping() or gethostbyname2_r()

[Launchpad Bug Tracker]

This bug was fixed in the package eglibc - 2.15-0ubuntu7

---------------
eglibc (2.15-0ubuntu7) precise; urgency=low

  [ James Hunt ]
  * debian/debhelper.in/libc.preinst: Moved logic from postinst to
    prompt user for services to restart. We ask here to allow the
    problematic cron to be stopped in the preinst, but defer the restart of
    remaining services until postinst time (LP: #508083).

  [ Steve Langasek ]
  * debian/debhelper.in/libc.{pre,post}inst: drop special casing of upstart
    jobs when restarting, since the check was completely wrong anyway,
    depending on the no-longer-existent /lib/init/readlink.
  * Drop obsolete gdm upgrade handling code that only applies for upgrades
    from hardy to lucid.
  * Remove the /etc/ld.so.conf.d/i486-linux-gnu.conf conffile on upgrade on
    i386, since it's no longer shipped and we should give consistent results
    on upgrade and install; and add a Breaks on the three library packages
    in lucid that used this path.

  [ Adam Conrad ]
  * debian/patches/any/local-nscd-NO_MAPPING.diff: Apply patch from Jeff Law
    to clean up thread handling in __nscd_get_nl_timestamp and resolve a few
    random crashing issues with chromium-browser and ktorrent (LP: #929219)
  * debian/rules.d/debhelper.mk: Fix RTLD_SO replacement regex for sanity.
 -- Adam Conrad <adconrad at ubuntu.com>   Thu, 12 Apr 2012 00:18:08 -0600

** Changed in: eglibc (Ubuntu Precise)
       Status: Triaged => Fix Released

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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:
  Confirmed
Status in The GNU C Library:
  Confirmed
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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