Worth pointing out that the bug is still present in latest glibcs (I can reproduce it on Fedora 33), and affects programs that use pthread_cond_signal, in parti

Worth pointing out that the bug is still present in latest glibcs (I can reproduce it on Fedora 33), and affects programs that use pthread_cond_signal, in particular language runtimes like OCaml, Python and .NET that have a global runtime lock. Bugreports: * Fedora: https://bugzilla.redhat.com/show_bug.cgi?id=1889892 https://bugzilla.redhat.com/show_bug.cgi?id=1889892 * Ubuntu: https://bugs.launchpad.net/ubuntu/+source/glibc/+bug/1899800 https://bugs.launchpad.net/ubuntu/+source/glibc/+bug/1899800 Also see https://github.com/mratsim/weave/pull/58/files https://github.com/mratsim/weave/pull/58/files