Ubuntu
cairo package

compiz crashed with SIGSEGV in general_composite_rect()

Bug #984794 reported by fantab on 2012-04-18

14

This bug affects 2 people

Affects		Status	Importance	Assigned to	Milestone
	cairo (Ubuntu)	Confirmed	Low	Unassigned

Bug Description

The crash occured when I logged into my desktop account. I saw the desktop, it went off, then came back... I have an up to date system.

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: unity 5.10.0-0ubuntu6
ProcVersionSignature: Ubuntu 3.2.0-23.36-generic 3.2.14
Uname: Linux 3.2.0-23-generic x86_64
ApportVersion: 2.0.1-0ubuntu4
Architecture: amd64
Date: Wed Apr 18 17:13:08 2012
Disassembly: => 0x0: Cannot access memory at address 0x0
ExecutablePath: /usr/bin/compiz
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta amd64 (20120301)
ProcCmdline: compiz
ProcEnviron:
LANGUAGE=en_IN:en
PATH=(custom, no user)
LANG=en_IN
SHELL=/bin/bash
SegvAnalysis:
Segfault happened at: 0x0: Cannot access memory at address 0x0
PC (0x00000000) not located in a known VMA region (needed executable region)!
Stack memory exhausted (SP below stack segment)
SegvReason: executing NULL VMA
Signal: 11
SourcePackage: unity
StacktraceTop:
?? ()
?? () from /usr/lib/x86_64-linux-gnu/libpixman-1.so.0
pixman_image_composite32 () from /usr/lib/x86_64-linux-gnu/libpixman-1.so.0
?? () from /usr/lib/x86_64-linux-gnu/libcairo.so.2
?? () from /usr/lib/x86_64-linux-gnu/libcairo.so.2
Title: compiz crashed with SIGSEGV in pixman_image_composite32()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dialout dip lpadmin plugdev sambashare sudo tty

Tags:

Revision history for this message

fantab (fantab) wrote on 2012-04-18:

#1

Dependencies.txt Edit (7.0 KiB, text/plain; charset="utf-8")
ProcMaps.txt Edit (97.0 KiB, text/plain; charset="utf-8")
ProcStatus.txt Edit (818 bytes, text/plain; charset="utf-8")
Registers.txt Edit (742 bytes, text/plain; charset="utf-8")
Stacktrace.txt Edit (3.8 KiB, text/plain; charset="utf-8")
ThreadStacktrace.txt Edit (19.8 KiB, text/plain; charset="utf-8")

Revision history for this message

Apport retracing service (apport) wrote on 2012-04-18:

#2

StacktraceTop:
?? ()
general_composite_rect (imp=0xc25dc0, info=<optimized out>) at ../../pixman/pixman-general.c:197
pixman_image_composite32 (op=<optimized out>, src=<optimized out>, mask=<optimized out>, dest=<optimized out>, src_x=4, src_y=2, mask_x=0, mask_y=0, dest_x=4, dest_y=2, width=16, height=20) at ../../pixman/pixman.c:712
_composite_spans (closure=<optimized out>, dst=<optimized out>, dst_format=<optimized out>, op=CAIRO_OPERATOR_OVER, pattern=<optimized out>, dst_x=4, dst_y=0, extents=0x7f344bfee620, clip_region=0x0) at /build/buildd/cairo-1.10.2/src/cairo-image-surface.c:3510
_clip_and_composite (dst=0x7f344c007660, op=CAIRO_OPERATOR_OVER, src=0x7f344bfee730, draw_func=0x7f346e9066b0 <_composite_spans>, draw_closure=0x7f344bfedcf0, extents=0x7f344bfee600, clip=0x0) at /build/buildd/cairo-1.10.2/src/cairo-image-surface.c:2316

Revision history for this message

Apport retracing service (apport) wrote on 2012-04-18: Stacktrace.txt

#3

Stacktrace.txt Edit (24.3 KiB, text/plain)

Revision history for this message

Apport retracing service (apport) wrote on 2012-04-18: ThreadStacktrace.txt

#4

ThreadStacktrace.txt Edit (81.5 KiB, text/plain)

Changed in unity (Ubuntu):
importance:	Undecided → Medium
summary:	- compiz crashed with SIGSEGV in pixman_image_composite32() + compiz crashed with SIGSEGV in general_composite_rect()
tags:	removed: need-amd64-retrace

Sebastien Bacher (seb128) on 2012-04-19

security vulnerability:	yes → no
visibility:	private → public
affects:	unity (Ubuntu) → cairo (Ubuntu)
Changed in cairo (Ubuntu):
importance:	Medium → Low

Revision history for this message

Launchpad Janitor (janitor) wrote on 2016-01-25:

#5

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

Changed in cairo (Ubuntu):
status:	New → Confirmed

Revision history for this message

Bartłomiej Żogała (nusch) wrote on 2016-01-25:

#6

Is that leak related?
cardpeek$ valgrind --track-origins=yes ./cardpeek
==3428== Memcheck, a memory error detector
==3428== Copyright (C) 2002-2015, and GNU GPL'd, by Julian Seward et al.
==3428== Using Valgrind-3.11.0 and LibVEX; rerun with -h for copyright info
==3428== Command: ./cardpeek
==3428==
==3428== Conditional jump or move depends on uninitialised value(s)
==3428== at 0xBBE3F22: sse2_combine_over_u (in /usr/lib/x86_64-linux-gnu/libpixman-1.so.0.32.6)
==3428== by 0xBBC953A: general_composite_rect (in /usr/lib/x86_64-linux-gnu/libpixman-1.so.0.32.6)
==3428== by 0xBB7CD80: pixman_image_composite32 (in /usr/lib/x86_64-linux-gnu/libpixman-1.so.0.32.6)
==3428== by 0x63C8204: ??? (in /usr/lib/x86_64-linux-gnu/libcairo.so.2.11400.2)
==3428== by 0x640D190: ??? (in /usr/lib/x86_64-linux-gnu/libcairo.so.2.11400.2)
==3428== by 0x63FF562: ??? (in /usr/lib/x86_64-linux-gnu/libcairo.so.2.11400.2)
==3428== by 0x63FFFD4: ??? (in /usr/lib/x86_64-linux-gnu/libcairo.so.2.11400.2)
==3428== by 0x6400B19: ??? (in /usr/lib/x86_64-linux-gnu/libcairo.so.2.11400.2)
==3428== by 0x63BB8DE: ??? (in /usr/lib/x86_64-linux-gnu/libcairo.so.2.11400.2)
==3428== by 0x63CCDF1: ??? (in /usr/lib/x86_64-linux-gnu/libcairo.so.2.11400.2)
==3428== by 0x6403F55: ??? (in /usr/lib/x86_64-linux-gnu/libcairo.so.2.11400.2)
==3428== by 0x63C3A2E: ??? (in /usr/lib/x86_64-linux-gnu/libcairo.so.2.11400.2)
==3428== Uninitialised value was created by a stack allocation
==3428== at 0xBBC9280: general_composite_rect (in /usr/lib/x86_64-linux-gnu/libpixman-1.so.0.32.6)

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