[Bug 1006398] [NEW] Bypassing ptrace restrictions for errors from hanging applications

[Launchpad Bug Tracker]

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As part of the error reporting features in 12.10, we're adding the
ability to generate reports from hanging applications. This requires
that we can gdb attach and backtrace to an arbitrary PID running as the
same user, which requires working around the restrictions set by the
ptrace scope:

https://wiki.ubuntu.com/Security/Features#ptrace

A new plugin for compiz will be written to notify a new dbus service on
the system bus that it should write a gdb backtrace for the pid
(provided by the _NET_WM_PID xprop. This service will only accept
connections from the compiz process. It will only accept the request if
the PID was running with a valid session cookie (unless this is
overkill?).

How does that sound?

** Affects: whoopsie-daisy (Ubuntu)
     Importance: Undecided
         Status: New

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Bypassing ptrace restrictions for errors from hanging applications
https://bugs.launchpad.net/bugs/1006398
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