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[Bug 1964449] Re: Recordmydesktop Crashing With Segmentation Fault

 

Thanks for taking the time to report this bug and helping to make Ubuntu
better. We appreciate the difficulties you are facing, but this appears
to be a "regular" (non-security) bug.  I have unmarked it as a security
issue since this bug does not show evidence of allowing attackers to
cross privilege boundaries nor directly cause loss of data/privacy.
Please feel free to report any other bugs you may find.

** Information type changed from Private Security to Public

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https://bugs.launchpad.net/bugs/1964449

Title:
  Recordmydesktop Crashing With Segmentation Fault

Status in recordmydesktop:
  New
Status in recordmydesktop package in Ubuntu:
  New

Bug description:
  Hi Team,

  While trying to explore features/bugs in recordmydesktop application,
  I have come across a situation where the Application is crashing and
  showing the message "Segmentation Fault". I tried to debug the issue,
  but for some reason couldn't figure it out. The crash is very simple
  to reproduce. Please find below all the information:

  recordmydesktop version: recordMyDesktop v0.4.0
  OS used: Kali linux 2020.3 Vbox

  Steps to repro:

  1. Start the recording using default command with default options "recordmyscreen"
  2. Once, the recording is started and  it shows "Capturing", press "CTRL+ C" twice pretty fast.
  3. Once, the 2nd CTRL+C is pressed, it will show the error "Please wait...
  Output file: out-16.ogv
  [5%] ^CSegmentation fault
  "
  4. Also, there won't be any recording saved as well.

  I have pasted the entire transaction below and attached a screenshot
  as well:

  kali@kali:~$ recordmydesktop 
  Initial recording window is set to:
  X:0   Y:0    Width:1920    Height:940
  Adjusted recording window is set to:
  X:0   Y:6    Width:1920    Height:928
  Your window manager appears to be Xfwm4

  
  Detected compositing window manager.
  Reverting to full screen capture at every frame.
  To disable this check run with --no-wm-check
  (though that is not advised, since it will probably produce faulty results).

  Initializing...
  Buffer size adjusted to 4096 from 4096 frames.
  Opened PCM device default
  Recording on device default is set to:
  1 channels at 22050Hz
  Capturing!
  ^C
  *********************************************

  Cached 2 MB, from 122 MB that were received.
  Average cache compression ratio: 97.8 %

  *********************************************
  Saved 18 frames in a total of 17 requests
  Shutting down.....
  STATE:ENCODING
  Encoding started!
  This may take several minutes.
  Pressing Ctrl-C will cancel the procedure (resuming will not be possible, but
  any portion of the video, which is already encoded won't be deleted).
  Please wait...
  Output file: out-16.ogv
  [5%] ^CSegmentation fault
  --- 
  ProblemType: Bug
  ApportVersion: 2.20.11-0ubuntu27.21
  Architecture: amd64
  CasperMD5CheckResult: skip
  CurrentDesktop: ubuntu:GNOME
  DistroRelease: Ubuntu 20.04
  InstallationDate: Installed on 2022-03-10 (0 days ago)
  InstallationMedia: Ubuntu 20.04.4 LTS "Focal Fossa" - Release amd64 (20220223)
  Package: recordmydesktop 0.3.8.1+svn602-1.1ubuntu1
  PackageArchitecture: amd64
  ProcVersionSignature: Ubuntu 5.13.0-35.40~20.04.1-generic 5.13.19
  Tags:  focal
  Uname: Linux 5.13.0-35-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin lxd plugdev sambashare sudo
  _MarkForUpload: True

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