unity-webapps-context-daemon crashed with SIGSEGV in fast_validate()

I think it was youtube

ProblemType: Crash
DistroRelease: Ubuntu 12.10
Package: unity-webapps-service 1.9.1-0ubuntu1
ProcVersionSignature: Ubuntu 3.5.0-7.7-generic 3.5.0
Uname: Linux 3.5.0-7-generic x86_64
ApportVersion: 2.4-0ubuntu6
Architecture: amd64
CrashCounter: 1
Date: Mon Aug 6 00:07:23 2012
ExecutablePath: /usr/lib/libunity-webapps/unity-webapps-context-daemon
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Alpha amd64 (20120514)
ProcCmdline: /usr/lib/libunity-webapps/unity-webapps-context-daemon YouTube www.youtube.com icon://youtube [Invalid\ UTF-8]
ProcEnviron:
 SHELL=/bin/bash
 PATH=(custom, user)
 LANG=en_US.UTF-8
SegvAnalysis:
 Segfault happened at: 0x7f28ee313f28 <g_utf8_validate+456>: movzbl (%rdi),%r8d
 PC (0x7f28ee313f28) ok
 source "(%rdi)" (0x00000051) not located in a known VMA region (needed readable region)!
 destination "%r8d" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: libunity-webapps
StacktraceTop:
 g_utf8_validate () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 g_variant_new_string () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 g_variant_new_strv () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 g_settings_set_strv () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
 ?? () from /usr/lib/x86_64-linux-gnu/libunity.so.9
Title: unity-webapps-context-daemon crashed with SIGSEGV in g_utf8_validate()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo