scratch-text-editor crashed with SIGSEGV in fast_validate()

[Svetoslav Popov]

Happened when saved new file and tried to restore it.

ProblemType: Crash
DistroRelease: elementary OS 0.2
Package: scratch-text-editor 1.1.1+r920+r913-0+pkg32~precise1 [origin: LP-PPA-elementary-os-daily]
ProcVersionSignature: Ubuntu 3.2.0-33.52-generic 3.2.31
Uname: Linux 3.2.0-33-generic x86_64
ApportVersion: 2.0.1-0ubuntu15+elementary3~precise1
Architecture: amd64
CrashDB: scratch_text_editor
Date: Thu Nov 15 15:41:44 2012
ExecutablePath: /usr/bin/scratch-text-editor
InstallationMedia: elementary OS 0.2 "Luna" - Beta 1 amd64 (20121114)
MarkForUpload: True
ProcCmdline: scratch-text-editor
ProcEnviron:
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x7f10d4600208 <g_utf8_validate+488>: movzbl (%rdi),%r8d
 PC (0x7f10d4600208) ok
 source "(%rdi)" (0x00000000) not located in a known VMA region (needed readable region)!
 destination "%r8d" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: scratch-text-editor
StacktraceTop:
 g_utf8_validate () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 scratch_services_document_backup ()
 ?? ()
 _start ()
Title: scratch-text-editor crashed with SIGSEGV in g_utf8_validate()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

[RabbitBot (rabbitbot-a)]

StacktraceTop:
 fast_validate (str=<optimized out>) at /build/buildd/glib2.0-2.32.3/./glib/gutf8.c:1461
 g_utf8_validate (str=0x0, max_len=-1, end=0x0) at /build/buildd/glib2.0-2.32.3/./glib/gutf8.c:1629
 scratch_services_document_backup (self=0x134fe40) at /build/buildd/scratch-text-editor-1.1.1+r920+r913/obj-x86_64-linux-gnu/src/Services/Document.c:1266
 scratch_main_window_action_revert (self=0x1332000) at /build/buildd/scratch-text-editor-1.1.1+r920+r913/obj-x86_64-linux-gnu/src/MainWindow.c:3058
 _scratch_main_window_action_revert_gtk_action_callback (action=0x128a400, self=0x1332000) at /build/buildd/scratch-text-editor-1.1.1+r920+r913/obj-x86_64-linux-gnu/src/MainWindow.c:547