Commit e4dcfebcea for openssl.org

commit e4dcfebcead9fdab6a220bce12025cc8ca87b265
Author: Mounir IDRASSI <mounir.idrassi@idrix.fr>
Date:   Mon Jul 27 22:39:53 2026 +0900

    quic: fix BIO ownership in test helper

    SSL_set_bio() transfers ownership of cbio to the client SSL object.
    Clear the local pointer after the handoff so the error path does not
    release an SSL-owned reference before SSL_free().

    Fixes #32084

    Reviewed-by: Saša Nedvědický <sashan@openssl.org>
    Reviewed-by: Daniel Kubec <kubec@openssl.foundation>
    MergeDate: Wed Jul 29 09:55:13 2026
    (Merged from https://github.com/openssl/openssl/pull/32086)

diff --git a/test/helpers/quictestlib.c b/test/helpers/quictestlib.c
index 5405df6ebf..29508dcfd6 100644
--- a/test/helpers/quictestlib.c
+++ b/test/helpers/quictestlib.c
@@ -311,6 +311,8 @@ int qtest_create_quic_objects(OSSL_LIB_CTX *libctx, SSL_CTX *clientctx,
     }

     SSL_set_bio(*cssl, cbio, cbio);
+    /* Ownership of cbio is now held by *cssl */
+    cbio = NULL;

     if (!TEST_true(SSL_set_blocking_mode(*cssl,
             (flags & QTEST_FLAG_BLOCK) != 0 ? 1 : 0)))