[Bug 506979] [NEW] webcam segfaults on loading

[Tom Ellis]

Public bug reported:

Binary package hint: webcam

Expected webcam to run and attempt at uploading the file, but it
segfaulted.

trellis at inara:~$ sudo apt-cache policy webcam
webcam:
  Installed: 3.95.dfsg.1-8.1ubuntu1
  Candidate: 3.95.dfsg.1-8.1ubuntu1
  Version table:
 *** 3.95.dfsg.1-8.1ubuntu1 0
        500 http://gb.archive.ubuntu.com karmic/universe Packages
        100 /var/lib/dpkg/status

~/.webcamrc will be attached shortly, rest of details are in apport
report.

trellis at inara:~$ lsb_release -rd
Description:	Ubuntu 9.10
Release:	9.10

Running on x86_64

Output from webcam:
trellis at inara:~$ sudo webcam
reading config file: /home/trellis/.webcamrc
video4linux webcam v1.5 - (c) 1998-2002 Gerd Knorr
grabber config:
  size 640x480 [none]
  input (null), norm (null), jpeg quality 95
  rotate=0, top=0, left=0, bottom=720, right=960
ssh config [ftp]:
  trellis at 192.168.1.1:/var/www/webcam/
  uploading.jpeg => webcam.jpg
Segmentation fault


dmesg shows:
[1101068.108378] Linux video capture interface: v2.00
[1101068.129168] gspca: main v2.6.0 registered
[1101068.133408] gspca: probing 05a9:8519
[1101068.338577] ov519: I2C synced in 0 attempt(s)
[1101068.338584] ov519: starting OV7xx0 configuration
[1101068.350574] ov519: Sensor is an OV7648
[1101068.391703] gspca: probe ok
[1101068.391730] gspca: probing 05a9:8519
[1101068.391756] gspca: probing 05a9:8519
[1101068.391799] usbcore: registered new interface driver ov519
[1101068.391807] ov519: registered
[1101068.628897] usbcore: registered new interface driver snd-usb-audio
[1101663.267149] webcam[19106]: segfault at 7f6f663c1000 ip 0000000000405285 sp 00007fff70e9e3b0 error 4 in webcam[400000+e000]
[1101736.200386] webcam[19160]: segfault at 7ff9aed9c000 ip 0000000000405285 sp 00007fff9864f800 error 4 in webcam[400000+e000]
[1101772.252729] webcam[19179]: segfault at 7f8a118b4000 ip 0000000000405285 sp 00007fff8ffff5d0 error 4 in webcam[400000+e000]
[1102128.264505] webcam[19292]: segfault at 7f75a3f1d000 ip 0000000000405285 sp 00007fffc2fa5900 error 4 in webcam[400000+e000]
[1102205.730395] webcam[19307]: segfault at 7f54c64b0000 ip 0000000000405285 sp 00007fff5367f940 error 4 in webcam[400000+e000]
[1102234.739805] webcam[19324]: segfault at 7f00780f6000 ip 0000000000405285 sp 00007ffffa3e9f30 error 4 in webcam[400000+e000]

ProblemType: Bug
Architecture: amd64
Date: Wed Jan 13 13:59:58 2010
DistroRelease: Ubuntu 9.10
Package: webcam 3.95.dfsg.1-8.1ubuntu1
ProcEnviron:
 PATH=(custom, no user)
 LANG=en_GB.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-16.53-server
SourcePackage: xawtv
Uname: Linux 2.6.31-16-server x86_64

** Affects: xawtv (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug

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webcam segfaults on loading
https://bugs.launchpad.net/bugs/506979
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