feedler-service crashed with SIGSEGV in g_variant_is_trusted()

[Dries_Lee]

The window stays open, so I can keep reading rss items even though feedler has crashed.

I don't know if it's relevant, but feedler updates only one of the rss feeds I'm subscribed to.

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: feedler 0.1+r308-0+pkg12~precise1 [origin: LP-PPA-elementary-os-daily]
ProcVersionSignature: Ubuntu 3.2.0-31.50-generic-pae 3.2.28
Uname: Linux 3.2.0-31-generic-pae i686
ApportVersion: 2.0.1-0ubuntu13
Architecture: i386
CrashCounter: 1
CrashDB: feedler
Date: Sun Oct 7 20:20:41 2012
ExecutablePath: /usr/bin/feedler-service
ProcCmdline: /usr/bin/feedler-service
SegvAnalysis:
 Segfault happened at: 0xb7292f24: testb $0x4,0x10(%eax)
 PC (0xb7292f24) 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=0xbfa0b680, value=0x0) at /build/buildd/glib2.0-2.32.3/./glib/gvariant.c:3393
 _dbus_feedler_service_updated (_sender=0x8167240, channel=0x819dd28, _data=0x8177df0) at /build/buildd/feedler-0.1+r309/src/service/service.vala:9
 g_cclosure_marshal_VOID__BOXEDv (closure=0x8177da8, return_value=0x0, instance=0x8167240, args=0xbfa0ba18 "$\272\240\277\270\005\030\bXA \265\030}!\b \261\030\bx\304!\b", marshal_data=0x0, n_params=1, param_types=0x81635b0) at /build/buildd/glib2.0-2.32.3/./gobject/gmarshal.c:1160
 _g_closure_invoke_va (closure=0x8177da8, return_value=0x0, instance=0x8167240, args=0xbfa0ba18 "$\272\240\277\270\005\030\bXA \265\030}!\b \261\030\bx\304!\b", n_params=1, param_types=0x81635b0) at /build/buildd/glib2.0-2.32.3/./gobject/gclosure.c:840