From: Shane Lontis <shane.lontis@oracle.com>
Date: Tue, 11 Aug 2020 07:01:07 +0000 (+1000)
Subject: Fix coverity CID #1455335 - Dereference after NULL check in fromdata_init()
X-Git-Tag: openssl-3.0.0-alpha7~499
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=10ead93897ab48233d66cc40bfdc146d6c95c4a7;p=thirdparty%2Fopenssl.git

Fix coverity CID #1455335 - Dereference after NULL check in fromdata_init()

Reviewed-by: Tomas Mraz <tmraz@fedoraproject.org>
(Merged from https://github.com/openssl/openssl/pull/12628)
---

diff --git a/crypto/evp/pmeth_gn.c b/crypto/evp/pmeth_gn.c
index 2f9346d9988..30968286789 100644
--- a/crypto/evp/pmeth_gn.c
+++ b/crypto/evp/pmeth_gn.c
@@ -375,7 +375,8 @@ static int fromdata_init(EVP_PKEY_CTX *ctx, int operation)
     return 1;
 
  not_supported:
-    ctx->operation = EVP_PKEY_OP_UNDEFINED;
+    if (ctx != NULL)
+        ctx->operation = EVP_PKEY_OP_UNDEFINED;
     ERR_raise(ERR_LIB_EVP, EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
     return -2;
 }