WebApps: libunity-webapps

unity-webapps-context-daemon crashed with SIGSEGV in magazine_cache_trim()

Bug #1056374 reported by Jonas Schwabe on 2012-09-25

10

This bug affects 1 person

Affects		Status	Importance	Assigned to	Milestone
	WebApps: libunity-webapps	New	Medium	Alexandre Abreu
	libunity-webapps (Ubuntu)	New	Medium	Unassigned

Bug Description

This crash happened after installing OMG!Ubuntu and then closing Firefox.

ProblemType: Crash
DistroRelease: Ubuntu 12.10
Package: unity-webapps-service 2.3.8-0ubuntu2
ProcVersionSignature: Ubuntu 3.5.0-15.22-generic 3.5.4
Uname: Linux 3.5.0-15-generic x86_64
ApportVersion: 2.5.2-0ubuntu4
Architecture: amd64
Date: Tue Sep 25 20:03:34 2012
ExecutablePath: /usr/lib/libunity-webapps/unity-webapps-context-daemon
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Beta amd64+mac (20120922)
ProcCmdline: /usr/lib/libunity-webapps/unity-webapps-context-daemon OMG!\ Ubuntu! www.omgubuntu.co.uk http://cloudfront.omgubuntu.co.uk/wp-content/themes/randyjensen-handcrafted-wp-theme-2d2cd06/images/logo.png [Invalid\ UTF-8]
SegvAnalysis:
Segfault happened at: 0x7fd100e711b2: mov 0x8(%rbx),%rsi
PC (0x7fd100e711b2) ok
source "0x8(%rbx)" (0x7fd000000008) not located in a known VMA region (needed readable region)!
destination "%rsi" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: libunity-webapps
StacktraceTop:
?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
g_slice_free1 () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
g_signal_handlers_destroy () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
Title: unity-webapps-context-daemon crashed with SIGSEGV in g_slice_free1()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

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Revision history for this message

Jonas Schwabe (jonas-schwabe) wrote on 2012-09-25:

#1

Dependencies.txt Edit (5.9 KiB, text/plain; charset="utf-8")
Disassembly.txt Edit (665 bytes, text/plain; charset="utf-8")
ProcEnviron.txt Edit (292 bytes, text/plain; charset="utf-8")
ProcMaps.txt Edit (47.7 KiB, text/plain; charset="utf-8")
ProcStatus.txt Edit (815 bytes, text/plain; charset="utf-8")
Registers.txt Edit (766 bytes, text/plain; charset="utf-8")
Stacktrace.txt Edit (3.7 KiB, text/plain; charset="utf-8")
ThreadStacktrace.txt Edit (6.4 KiB, text/plain; charset="utf-8")
XsessionErrors.txt Edit (3.1 KiB, text/plain; charset="utf-8")

Revision history for this message

Apport retracing service (apport) wrote on 2012-09-25:

#2

StacktraceTop:
magazine_cache_trim (stamp=<optimized out>, ix=<optimized out>, allocator=<optimized out>) at /build/buildd/glib2.0-2.33.14/./glib/gslice.c:672
magazine_cache_push_magazine (ix=<optimized out>, magazine_chunks=<optimized out>, count=<optimized out>) at /build/buildd/glib2.0-2.33.14/./glib/gslice.c:703
thread_memory_magazine2_unload (ix=<optimized out>, tmem=<error reading variable: Unhandled dwarf expression opcode 0xfa>) at /build/buildd/glib2.0-2.33.14/./glib/gslice.c:802
g_slice_free1 (mem_size=<optimized out>, mem_block=0x7fd0f000a560) at /build/buildd/glib2.0-2.33.14/./glib/gslice.c:1093
handler_unref_R (handler=0x7fd0f000a560, instance=0x0, signal_id=0) at /build/buildd/glib2.0-2.33.14/./gobject/gsignal.c:647

Revision history for this message

Apport retracing service (apport) wrote on 2012-09-25: Stacktrace.txt

#3

Stacktrace.txt Edit (10.7 KiB, text/plain)

Revision history for this message

Apport retracing service (apport) wrote on 2012-09-25: StacktraceSource.txt

#4

StacktraceSource.txt Edit (9.2 KiB, text/plain)

Revision history for this message

Apport retracing service (apport) wrote on 2012-09-25: ThreadStacktrace.txt

#5

ThreadStacktrace.txt Edit (17.0 KiB, text/plain)

Changed in libunity-webapps (Ubuntu):
importance:	Undecided → Medium
summary:	- unity-webapps-context-daemon crashed with SIGSEGV in g_slice_free1() + unity-webapps-context-daemon crashed with SIGSEGV in + magazine_cache_trim()
tags:	removed: need-amd64-retrace

Ken VanDine (ken-vandine) on 2012-10-23

information type:	Private → Public
Changed in libunity-webapps (Ubuntu):
assignee:	nobody → Alexandre Abreu (abreu-alexandre)
Changed in libunity-webapps:
assignee:	nobody → Alexandre Abreu (abreu-alexandre)
Changed in libunity-webapps (Ubuntu):
assignee:	Alexandre Abreu (abreu-alexandre) → nobody
Changed in libunity-webapps:
importance:	Undecided → Medium

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