From: Pauli <pauli@openssl.org>
Date: Tue, 6 Apr 2021 02:24:06 +0000 (+1000)
Subject: Make the lock in CRYPTO_secure_allocated() a read lock
X-Git-Tag: openssl-3.0.0-alpha14~39
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0bc27f7203258f662a533574d0c6c55fb08166eb;p=thirdparty%2Fopenssl.git

Make the lock in CRYPTO_secure_allocated() a read lock

Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/14775)
---

diff --git a/crypto/mem_sec.c b/crypto/mem_sec.c
index ebc0e557b5c..276c1165c10 100644
--- a/crypto/mem_sec.c
+++ b/crypto/mem_sec.c
@@ -212,7 +212,7 @@ int CRYPTO_secure_allocated(const void *ptr)
 
     if (!secure_mem_initialized)
         return 0;
-    if (!CRYPTO_THREAD_write_lock(sec_malloc_lock))
+    if (!CRYPTO_THREAD_read_lock(sec_malloc_lock))
         return 0;
     ret = sh_allocated(ptr);
     CRYPTO_THREAD_unlock(sec_malloc_lock);