[openssl/openssl] 92a25e: Fix occasional assertion failure when storing prop...

[Tomáš Mráz]

  Branch: refs/heads/master
  Home:   https://github.com/openssl/openssl
  Commit: 92a25e24e6ec9735dea9ec645502cb075a5f8d24
      https://github.com/openssl/openssl/commit/92a25e24e6ec9735dea9ec645502cb075a5f8d24
  Author: Tomas Mraz <tomas at openssl.org>
  Date:   2022-11-29 (Tue, 29 Nov 2022)

  Changed paths:
    M crypto/property/defn_cache.c
    M crypto/property/property.c
    M crypto/property/property_local.h
    M test/property_test.c

  Log Message:
  -----------
  Fix occasional assertion failure when storing properties

Fixes #18631

The store lock does not prevent concurrent access to the
property cache, because there are multiple stores.

We drop the newly created entry and use the exisiting one
if there is one already.

Reviewed-by: Matt Caswell <matt at openssl.org>
Reviewed-by: Paul Dale <pauli at openssl.org>
(Merged from https://github.com/openssl/openssl/pull/19762)