gvfsd-mtp crashed with SIGSEGV in ptp_transaction_new()

[Rainer Rohde]

This error popped up as soon as I clicked the unmount icon to remove the Nexus 4.

ProblemType: Crash
DistroRelease: Ubuntu 13.10
Package: gvfs-backends 1.17.2-0ubuntu2
ProcVersionSignature: Ubuntu 3.9.0-7.15-generic 3.9.7
Uname: Linux 3.9.0-7-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.10.2-0ubuntu3
Architecture: amd64
Date: Tue Jun 25 17:30:29 2013
EcryptfsInUse: Yes
ExecutablePath: /usr/lib/gvfs/gvfsd-mtp
MarkForUpload: True
ProcCmdline: /usr/lib/gvfs/gvfsd-mtp --spawner :1.4 /org/gtk/gvfs/exec_spaw/12
ProcEnviron:
 SHELL=/bin/bash
 XDG_RUNTIME_DIR=<set>
 PATH=(custom, no user)
 LANGUAGE=en_US
 LANG=en_US.UTF-8
SegvAnalysis:
 Segfault happened at: 0x7f0d40000078: add %dl,0x7f0d4002(%rip) # 0x7f0dbf0d4080
 PC (0x7f0d40000078) in non-executable VMA region: 0x7f0d40000000-0x7f0d40029000 rw-p None
 source "0x7f0dbf0d4080" (0x7f0dbf0d4080) not located in a known VMA region (needed readable region)!
 Stack memory exhausted (SP below stack segment)
SegvReason:
 executing writable VMA None
 reading unknown VMA
Signal: 11
SourcePackage: gvfs
StacktraceTop:
 ?? ()
 ?? () from /usr/lib/x86_64-linux-gnu/libmtp.so.9
 ?? () from /usr/lib/x86_64-linux-gnu/libmtp.so.9
 ?? () from /usr/lib/x86_64-linux-gnu/libmtp.so.9
 LIBMTP_Get_Storage () from /usr/lib/x86_64-linux-gnu/libmtp.so.9
Title: gvfsd-mtp crashed with SIGSEGV in LIBMTP_Get_Storage()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

[Apport retracing service (apport)]

StacktraceTop:
 ?? ()
 ptp_transaction_new (params=0x7f0d40007de0, ptp=0x7f0d4dbb6bd0, flags=<optimized out>, sendlen=0, handler=0x7f0d4dbb6b60) at ptp.c:152
 ptp_transaction (params=params@entry=0x7f0d40007de0, ptp=ptp@entry=0x7f0d4dbb6bd0, flags=flags@entry=2, sendlen=sendlen@entry=0, data=data@entry=0x7f0d4dbb6bc8, recvlen=recvlen@entry=0x7f0d4dbb6bc4) at ptp.c:400
 ptp_getstorageids (params=params@entry=0x7f0d40007de0, storageids=storageids@entry=0x7f0d4dbb6c40) at ptp.c:596
 LIBMTP_Get_Storage (device=device@entry=0x7f0d40007d60, sortby=sortby@entry=0) at libmtp.c:3960

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[Philip Langdale (langdalepl)]

Assuming that the clean shutdown fix in 1.17.3 addressed this. Unplug problems are unpredictable and hard to reproduce, so I want to clean the slate and only look at reports from new releases with that possible fix.