Follow @Openwall on Twitter for new release announcements and other news
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date: Thu, 01 Oct 2020 08:08:24 +0200
From: Florian Weimer <>
To: Rich Felker <>
Cc: Carlos O'Donell via Libc-alpha <>,
Subject: Re: [PATCH] Make abort() AS-safe (Bug 26275).

* Rich Felker:

> Even without fork, execve and posix_spawn can also see the SIGABRT
> disposition change made by abort(), passing it on to a process that
> should have started with a disposition of SIG_IGN if you hit exactly
> the wrong spot in the race.

My feeling is that it's not worth bothering with this kind of leakage.
We've had this bug forever in glibc, and no one has complained about

Carlos is investigating removal of the abort lock from glibc, I think.

Powered by blists - more mailing lists

Confused about mailing lists and their use? Read about mailing lists on Wikipedia and check out these guidelines on proper formatting of your messages.