gvfsd-mtp crashed with SIGSEGV in __strlen_avx2()

[Richard Walker]

I was transferring a download to my android when then notice came up.

ProblemType: Crash
DistroRelease: Ubuntu 17.10
Package: gvfs-backends 1.34.1-1ubuntu1
ProcVersionSignature: Ubuntu 4.13.0-16.19-generic 4.13.4
Uname: Linux 4.13.0-16-generic x86_64
ApportVersion: 2.20.7-0ubuntu3
Architecture: amd64
CrashCounter: 1
CurrentDesktop: ubuntu:GNOME
Date: Mon Oct 16 15:41:45 2017
ExecutablePath: /usr/lib/gvfs/gvfsd-mtp
InstallationDate: Installed on 2017-10-13 (3 days ago)
InstallationMedia: Ubuntu 17.04 "Zesty Zapus" - Release amd64 (20170412)
ProcCmdline: /usr/lib/gvfs/gvfsd-mtp --spawner :1.15 /org/gtk/gvfs/exec_spaw/12
ProcEnviron:
 LANG=en_US.UTF-8
 PATH=(custom, no user)
 SHELL=/bin/bash
 XDG_RUNTIME_DIR=<set>
SegvAnalysis:
 Segfault happened at: 0x7ff9a80718a7 <__strlen_avx2+55>: vpcmpeqb (%rdi),%ymm0,%ymm1
 PC (0x7ff9a80718a7) ok
 source "(%rdi)" (0x59dc5460) not located in a known VMA region (needed readable region)!
 destination "%ymm0" ok
 Stack memory exhausted (SP below stack segment)
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: gvfs
StacktraceTop:
 __strlen_avx2 () at ../sysdeps/x86_64/multiarch/strlen-avx2.S:93
 ?? () from /usr/lib/x86_64-linux-gnu/libmtp.so.9
 ?? () from /usr/lib/x86_64-linux-gnu/libmtp.so.9
 LIBMTP_Get_Filemetadata () from /usr/lib/x86_64-linux-gnu/libmtp.so.9
 LIBMTP_Get_Files_And_Folders () from /usr/lib/x86_64-linux-gnu/libmtp.so.9
Title: gvfsd-mtp crashed with SIGSEGV in __strlen_avx2()
UpgradeStatus: Upgraded to artful on 2017-10-15 (1 days ago)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

[Apport retracing service (apport)]

StacktraceTop:
 __strlen_avx2 () at ../sysdeps/x86_64/multiarch/strlen-avx2.S:93
 ptp_unpack_PTPTIME (str=0x59dc5469 <error: Cannot access memory at address 0x59dc5469>) at ptp-pack.c:646
 ptp_object_want (params=params@entry=0x7ff98c01c930, handle=1, want=want@entry=5, retob=retob@entry=0x7ff99f7fdc70) at ptp.c:6772
 LIBMTP_Get_Filemetadata (device=device@entry=0x7ff98c0216d0, fileid=<optimized out>) at libmtp.c:4351
 LIBMTP_Get_Files_And_Folders (device=device@entry=0x7ff98c0216d0, storage=<optimized out>, parent=<optimized out>) at libmtp.c:4532

[Launchpad Janitor (janitor)]

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