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Date: Fri, 27 Mar 2020 10:52:58 -0700
From: Leonid Shamis <leonid.shamis@...il.com>
To: musl@...ts.openwall.com
Subject: __pthread_mutex_unlock uninitialized value

https://github.com/bminor/musl/blob/54ca677983d47529bab8752315ac1a2b49888870/src/thread/pthread_mutex_unlock.c#L34

In the case where a mutex:
is one of PTHREAD_MUTEX_ERRORCHECK or PTHREAD_MUTEX_RECURSIVE
and PTHREAD_PRIO_INHERIT

an uninitialized value of 'old' is used to check whether to futex.

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