lightdm crashed with SIGSEGV in __GI___libc_realloc()

[Michael McGuire]

rebooted after update, upgrade, dist-upgrade this morning
user name was displayed correctly but password area did not appear
log off
log in
dm dialogue was correct; user name and password area active
logged in successfully

ProblemType: Crash
DistroRelease: Ubuntu 13.04
Package: lightdm 1.5.2-0ubuntu1
ProcVersionSignature: Ubuntu 3.8.0-15.25-generic 3.8.4
Uname: Linux 3.8.0-15-generic x86_64
ApportVersion: 2.9.2-0ubuntu5
Architecture: amd64
Date: Thu Mar 28 10:09:41 2013
ExecutablePath: /usr/sbin/lightdm
InstallationDate: Installed on 2013-03-25 (2 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
LightdmConfig:
 [SeatDefaults]
 user-session=ubuntu
 greeter-session=unity-greeter
MarkForUpload: True
ProcCmdline: lightdm
ProcEnviron:
 TERM=linux
 PATH=(custom, no user)
SegvAnalysis:
 Segfault happened at: 0x7feaaaca4b88 <realloc+232>: mov %r8,0x8(%rsp)
 PC (0x7feaaaca4b88) ok
 source "%r8" ok
 destination "0x8(%rsp)" (0x7fff6e5acff8) not located in a known VMA region (needed writable region)!
 Stack memory exhausted (SP below stack segment)
SegvReason: writing unknown VMA
Signal: 11
SourcePackage: lightdm
StacktraceTop:
 realloc () from /lib/x86_64-linux-gnu/libc.so.6
 ?? () from /lib/x86_64-linux-gnu/libgcrypt.so.11
 ?? ()
 ?? ()
 ?? ()
Title: lightdm crashed with SIGSEGV in realloc()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:

[Apport retracing service (apport)]

StacktraceTop:
 __GI___libc_realloc (oldmem=0x1984bd0, bytes=8) at malloc.c:2984
 _gcry_realloc (a=0x7feaaafe2740 <main_arena>, n=26758080) at global.c:847
 gcry_realloc (a=<optimized out>, n=<optimized out>) at visibility.c:1391
 secure_realloc (n=<optimized out>, ptr=<optimized out>, greeter=0x7feaa4005680) at greeter.c:140
 read_cb (source=source@entry=0x198d780, condition=condition@entry=G_IO_IN, data=data@entry=0x7feaa4005680) at greeter.c:728

[Robert Ancell (robert-ancell)]

Closing assumed fixed.