unity-panel-service crashed with SIGSEGV in strrchr()

[Michał Sawicz]

My menu bars were showing and disappearing multiple times within 10s or so.

ProblemType: Crash
DistroRelease: Ubuntu 15.04
Package: unity-services 7.3.1+14.10.20141016-0ubuntu1
Uname: Linux 3.18.0-031800rc3-generic x86_64
ApportVersion: 2.14.7-0ubuntu10
Architecture: amd64
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
CurrentDesktop: Unity
Date: Thu Nov 6 12:21:46 2014
ExecutablePath: /usr/lib/unity/unity-panel-service
ProcCmdline: /usr/lib/unity/unity-panel-service
SegvAnalysis:
 Segfault happened at: 0x7fb6d35151f5 <strrchr+37>: movdqu (%rdi),%xmm0
 PC (0x7fb6d35151f5) ok
 source "(%rdi)" (0x00000000) not located in a known VMA region (needed readable region)!
 destination "%xmm0" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: unity
StacktraceTop:
 strrchr () at ../sysdeps/x86_64/strrchr.S:32
 ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
 ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
 ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
 ffi_call_unix64 () from /usr/lib/x86_64-linux-gnu/libffi.so.6
Title: unity-panel-service crashed with SIGSEGV in strrchr()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm autopilot cdrom dip lpadmin plugdev sambashare sbuild sudo

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make this software better. This particular crash has already been reported and is a duplicate of bug #1332968, so is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.