gvfs-udisks2-volume-monitor SIGSEGV in g_realloc()

[James Lewis]

Unmounting a USB hard drive.

ProblemType: Crash
DistroRelease: Ubuntu 13.04
Package: gvfs-daemons 1.15.3-0ubuntu2
ProcVersionSignature: Ubuntu 3.8.0-9.18-generic 3.8.1
Uname: Linux 3.8.0-9-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.9-0ubuntu2
Architecture: amd64
CrashCounter: 1
Date: Wed Mar 6 00:57:57 2013
ExecutablePath: /usr/lib/gvfs/gvfs-udisks2-volume-monitor
InstallationDate: Installed on 2013-01-19 (45 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Alpha amd64 (20130118)
MarkForUpload: True
ProcCmdline: /usr/lib/gvfs/gvfs-udisks2-volume-monitor
ProcEnviron:
 SHELL=/bin/bash
 XDG_RUNTIME_DIR=<set>
 PATH=(custom, no user)
 LANGUAGE=en_GB:en
 LANG=en_GB.UTF-8
SegvAnalysis:
 Segfault happened at: 0x7f4d50442cdb: cmp 0x18(%rax),%rbx
 PC (0x7f4d50442cdb) ok
 source "0x18(%rax)" (0x1acdda018) not located in a known VMA region (needed readable region)!
 destination "%rbx" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: gvfs
StacktraceTop:
 ?? () from /lib/x86_64-linux-gnu/libc.so.6
 ?? () from /lib/x86_64-linux-gnu/libc.so.6
 ?? () from /lib/x86_64-linux-gnu/libc.so.6
 realloc () from /lib/x86_64-linux-gnu/libc.so.6
 g_realloc () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
Title: gvfs-udisks2-volume-monitor crashed with SIGSEGV in realloc()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

[Apport retracing service (apport)]

StacktraceTop:
 malloc_consolidate (av=av@entry=0x7f4d50784740 <main_arena>) at malloc.c:4073
 _int_malloc (av=av@entry=0x7f4d50784740 <main_arena>, bytes=bytes@entry=1025) at malloc.c:3358
 _int_realloc (av=av@entry=0x7f4d50784740 <main_arena>, oldp=oldp@entry=0x1acd9f0, oldsize=544, nb=nb@entry=1040) at malloc.c:4197
 __GI___libc_realloc (oldmem=0x1acda00, bytes=1024) at malloc.c:2984
 g_realloc (mem=<optimized out>, n_bytes=n_bytes@entry=1024) at /build/buildd/glib2.0-2.35.8/./glib/gmem.c:224

[Sebastien Bacher (seb128)]

That's a quite frequent one on errors.ubuntu.com: https://errors.ubuntu.com/problem/dcbfd8c3dabf0f6c4e0b1c297746c6907b6b226c

Corresponding bug in other distro: https://bugzilla.redhat.com/show_bug.cgi?id=1020571