[Bug 2060692] Re: cupsd 2.4.7-1.2ubuntu5 on noble crashes due to recently backported commits from 2.4.x git

[Till Kamppeter]

Andreas, thanks a lot for the quick fix!

I have applied it now in Ubuntu's CUPS, version 2.4.7-1.2ubuntu6. Note
that the package will probably only land in the distro after the release
of 24.04 beta.

** Changed in: cups (Ubuntu)
       Status: In Progress => Fix Committed

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Title:
  cupsd 2.4.7-1.2ubuntu5 on noble crashes due to recently backported
  commits from 2.4.x git

Status in cups package in Ubuntu:
  Fix Committed

Bug description:
  While checking out the latest versions of cups (2.4.7-1.2ubuntu4 and 2.4.7-1.2ubuntu5),
  I noticed that cupsd crashes consistently after closing my Firefox tab / window.
  The title of the crash (from the bug-report window) is "cupsd crashed with SIGSEGV in ???()"

  I'm running the noble-desktop-amd64.iso from 2024-03-25 after applying
  some updates from the noble and noble-proposed pockets.

  Reproduction steps:
  1. Open Firefox and manage CUPS on http://localhost:631
  2. Go to Administration -> Printers -> Add Printer and choose your printer
  3. Add your printer (I used the ipps:// protocol to manage the printer)
  4. After clicking the "Add printer" button, immediately close your Firefox tab
  5. cupsd will crash and Ubuntu will display a bug-report popup

  Versions:
      Firefox - 124.0.1-1 r4033
      CUPS - 2.4.7-1.2ubuntu5

  Printer:
      Lexmark MS415dn (supported)

  I am unable to reproduce this bug on versions prior to
  2.4.7-1.2ubuntu4 (Tried with 2.4.7-1.2ubuntu1 and 2.4.7-1.2ubuntu2).

  Versions 2.4.7-1.2ubuntu4 and 2.4.7-1.2ubuntu5 only backported commits from the 2.4.x upstream git branch, so I also opened an issue on GitHub:
  https://github.com/OpenPrinting/cups/issues/934

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