gdm-simple-slave crashed with SIGSEGV in _nss_compat_getpwnam_r()

[Benjamin Drung]

Due to this crash, gdm doesn't come up.

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: gdm 3.0.4-0ubuntu3
ProcVersionSignature: Ubuntu 3.0-2.3-generic 3.0.0-rc4
Uname: Linux 3.0-2-generic x86_64
Architecture: amd64
Date: Fri Jul 1 20:29:36 2011
ExecutablePath: /usr/lib/gdm/gdm-simple-slave
InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Beta amd64 (20100318)
ProcCmdline: /usr/lib/gdm/gdm-simple-slave --display-id /org/gnome/DisplayManager/Display1
ProcEnviron:
 PATH=(custom, no user)
 LANG=de_DE.UTF-8
SegvAnalysis:
 Segfault happened at: 0x7f5562ed0f15 <_nss_compat_getpwnam_r+69>: movzbl 0x0(%r13),%eax
 PC (0x7f5562ed0f15) ok
 source "0x0(%r13)" (0x00000000) not located in a known VMA region (needed readable region)!
 destination "%eax" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: gdm
StacktraceTop:
 _nss_compat_getpwnam_r (name=0x0, pwd=0x7f556680d280, buffer=0x1219ea0 "\310ȀfU\177", buflen=1024, errnop=0x7f5567b03740) at nss_compat/compat-pwd.c:860
 __getpwnam_r (name=0x0, resbuf=0x7f556680d280, buffer=0x1219ea0 "\310ȀfU\177", buflen=1024, result=0x7fff464e2d20) at ../nss/getXXbyYY_r.c:256
 getpwnam (name=0x0) at ../nss/getXXbyYY.c:117
 ?? ()
 ?? ()
Title: gdm-simple-slave crashed with SIGSEGV in _nss_compat_getpwnam_r()
UpgradeStatus: Upgraded to oneiric on 2011-06-25 (7 days ago)
UserGroups:

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make Ubuntu better. This particular crash has already been reported and is a duplicate of bug #805154, so is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.