feedler-service crashed with SIGSEGV in g_variant_is_trusted()

[Dries_Lee]

Feedler crashes upon updating a feed.

ProblemType: Crash
DistroRelease: elementary OS 0.2
Package: feedler 0.1+r309-0+pkg12+r1~precise1 [origin: LP-PPA-elementary-os-daily]
ProcVersionSignature: Ubuntu 3.2.0-33.52-generic-pae 3.2.31
Uname: Linux 3.2.0-33-generic-pae i686
ApportVersion: 2.0.1-0ubuntu15+elementary3~precise1
Architecture: i386
CrashCounter: 1
CrashDB: feedler
Date: Thu Nov 15 16:33:49 2012
ExecutablePath: /usr/bin/feedler-service
InstallationMedia: elementary OS 0.2 "Luna" - Beta 1 i386 (20121114)
MarkForUpload: True
ProcCmdline: /usr/bin/feedler-service
SegvAnalysis:
 Segfault happened at: 0xb7293f24: testb $0x4,0x10(%eax)
 PC (0xb7293f24) ok
 source "$0x4" ok
 destination "0x10(%eax)" (0x00000010) not located in a known VMA region (needed writable region)!
SegvReason: writing NULL VMA
Signal: 11
SourcePackage: feedler
StacktraceTop:
 ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0
 g_variant_builder_add_value () from /lib/i386-linux-gnu/libglib-2.0.so.0
 ?? ()
 g_cclosure_marshal_VOID__BOXEDv () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0
 ?? () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0
Title: feedler-service crashed with SIGSEGV in g_variant_builder_add_value()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

[RabbitBot (rabbitbot-a)]

StacktraceTop:
 g_variant_is_trusted (value=0x0) at /build/buildd/glib2.0-2.32.3/./glib/gvariant-core.c:604
 g_variant_builder_add_value (builder=0xbff3e0f0, value=0x0) at /build/buildd/glib2.0-2.32.3/./glib/gvariant.c:3393
 _dbus_feedler_service_updated (_sender=0x8eee240, channel=0x8f8ce08, _data=0x8ef7bb8) at /build/buildd/feedler-0.1+r309/src/service/service.vala:9
 g_cclosure_marshal_VOID__BOXEDv (closure=0x8ef8720, return_value=0x0, instance=0x8eee240, args=0xbff3e488 "\224\344\363\277 \355\360\bXa \265(\201\361\b\360\"\002\t\230\030\361\b", marshal_data=0x0, n_params=1, param_types=0x8eea5b0) at /build/buildd/glib2.0-2.32.3/./gobject/gmarshal.c:1160
 _g_closure_invoke_va (closure=0x8ef8720, return_value=0x0, instance=0x8eee240, args=0xbff3e488 "\224\344\363\277 \355\360\bXa \265(\201\361\b\360\"\002\t\230\030\361\b", n_params=1, param_types=0x8eea5b0) at /build/buildd/glib2.0-2.32.3/./gobject/gclosure.c:840