Set s->d1 to NULL after freeing it.

(cherry picked from commit 04638f2fc335a6dc2af8e5d556d36e29c261dcd2)

diff --git a/ssl/d1_lib.c b/ssl/d1_lib.c
index 3d27e3085818b1a76877085a803b8e5220d6853d..49546ec723a351b7808b05cf0d987664a1c6a49c 100644 (file)
--- a/ssl/d1_lib.c
+++ b/ssl/d1_lib.c
@@ -217,6 +217,7 @@ void dtls1_free(SSL *s)
        pq_64bit_free(&(s->d1->next_bitmap.max_seq_num));
 
        OPENSSL_free(s->d1);
+       s->d1 = NULL;
        }
 
 void dtls1_clear(SSL *s)