[openssl] master update

[nic.tuv at gmail.com]

The branch master has been updated
       via  993c437dbd14579cbbd55a2742274f10fc7c6e21 (commit)
      from  62f27ab9dcf29876b15cdae704c3a04b4c8a6344 (commit)


- Log -----------------------------------------------------------------
commit 993c437dbd14579cbbd55a2742274f10fc7c6e21
Author: Nicola Tuveri <nic.tuv at gmail.com>
Date:   Fri Oct 2 03:58:10 2020 +0300

    Fix segfault on missing provider_query_operation()
    
    A provider without `provider_query_operation()` is admittedly quite
    useless, yet technically the base provider functions are not mandatory
    according to our documentation.
    
    Reviewed-by: Tomas Mraz <tmraz at fedoraproject.org>
    Reviewed-by: Paul Dale <paul.dale at oracle.com>
    (Merged from https://github.com/openssl/openssl/pull/13058)

-----------------------------------------------------------------------

Summary of changes:
 crypto/provider_core.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/crypto/provider_core.c b/crypto/provider_core.c
index 754f6df1a4..742d3e2b50 100644
--- a/crypto/provider_core.c
+++ b/crypto/provider_core.c
@@ -866,7 +866,8 @@ const OSSL_ALGORITHM *ossl_provider_query_operation(const OSSL_PROVIDER *prov,
                                                     int operation_id,
                                                     int *no_cache)
 {
-    return prov->query_operation(prov->provctx, operation_id, no_cache);
+    return prov->query_operation == NULL
+        ? NULL : prov->query_operation(prov->provctx, operation_id, no_cache);
 }
 
 int ossl_provider_set_operation_bit(OSSL_PROVIDER *provider, size_t bitnum)