Date: Sun, 17 Aug 2014 12:11:57 +0200 From: Szabolcs Nagy <nsz@...t70.net> To: musl@...ts.openwall.com Subject: Re: Test case for 'false ownership' of mutex via TID reuse * Rich Felker <dalias@...c.org> [2014-08-16 19:06:11 -0400]: > > http://austingroupbugs.net/view.php?id=755 > > Sadly it's rather slow and impractical to add to libc-test. I'm not > sure if it's possible to run it in a container with a smaller pid/tid > space to get the reuse to happen sooner. It can also have false > negatives if some other process claims the tid before it gets reused > for a new thread in the test process. Ideas to make the test more > practical and reliable would be nice. i already had a test for this, but did not commit it because of the slowness i could speed up the test by increasing the max user process limit (RLIMIT_NPROC) and creating a lot of zombies, but that's probably not practical
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