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[Bug 2046844] Re: AppArmor user namespace creation restrictions cause many applications to crash with SIGTRAP

To: edubuntu-bugs@xxxxxxxxxxxxxxxxxxx
From: Jaromir Obr <2046844@xxxxxxxxxxxxxxxxxx>
Date: Sat, 05 Oct 2024 07:41:15 -0000
Reply-to: Bug 2046844 <2046844@xxxxxxxxxxxxxxxxxx>
Sender: noreply@xxxxxxxxxxxxx

I'm on Ubuntu 24.04 and I have apparmor
4.0.1really4.0.1-0ubuntu0.24.04.3 where the bug should be fixed.

But I'm getting this:

~/lmstudio$ ./LM_Studio-0.3.3.AppImage 
[925145:1005/093654.069946:FATAL:setuid_sandbox_host.cc(158)] The SUID sandbox helper binary was found, but is not configured correctly. Rather than run without sandboxing I'm aborting now. You need to make sure that /tmp/.mount_LM_StuOdQy3r/chrome-sandbox is owned by root and has mode 4755.

As a workaround I'm able to run the appimage with "--no-sandbox". Also a
running of the app from Nautilus (by a double click) works well.

Any idea?

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https://bugs.launchpad.net/bugs/2046844

Title:
  AppArmor user namespace creation restrictions cause many applications
  to crash with SIGTRAP

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