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Message-ID: <ec138086-c5b9-4ca2-9da5-bef8b14de27d@dustri.org>
Date: Tue, 9 Jan 2024 15:37:17 +0100
From: jvoisin <julien.voisin@...tri.org>
To: musl@...ts.openwall.com
Subject: Protect pthreads' mutexes against use-after-destroy
Ohai,
as discussed on irc, Android's bionic has a check to prevent
use-after-destroy on phtread mutexes
(https://github.com/LineageOS/android_bionic/blob/e0aac7df6f58138dae903b5d456c947a3f8092ea/libc/bionic/pthread_mutex.cpp#L803),
and musl doesn't.
While odds are that this is a super-duper common bug, it would still be
nice to have this kind of protection, since it's cheap, and would
prevent/make it easy to diagnose weird states.
Is this something that should/could be implemented?
o/
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