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Re: Abysmal state of GTK build

From: Gregory Heytings
Subject: Re: Abysmal state of GTK build
Date: Sun, 21 Aug 2022 14:05:01 +0000

In general, Emacs can only prevent GTK from handling certain events. If it handles an event that it must handle (in this case, XI_HierarchyChange) incorrectly, and that causes GTK to later dereference NULL, there is nothing that Emacs can do. Just like what happens when GTK calls _exit under our nose.

I sent a short demo that shows how one can escape from an _exit a few weeks ago in bug#56967; I attach it here again. The same kind of things can be done to circumvent segfaults in library functions.

Attachment: escape-exit.tar.gz
Description: application/gzip

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