test: Fix memory leak of asynctest

ASYNC_init_thread() will be called automatically by ASYNC_start_job(),
so ASYNC_cleanup_thread() must be called at last, otherwise it will
cause memory leak.

Signed-off-by: Tianjia Zhang <tianjia.zhang@linux.alibaba.com>

Reviewed-by: Paul Dale <pauli@openssl.org>
Reviewed-by: David von Oheimb <david.von.oheimb@siemens.com>
Reviewed-by: Hugo Landau <hlandau@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/16703)

(cherry picked from commit c5d061290baa9466182b6d1a5b88aa9e5a4b2386)

1 files changed, 1 insertions, 0 deletions

diff --git a/test/asynctest.c b/test/asynctest.c
index 6502ee9845..628d0d86ea 100644
--- a/test/asynctest.c
+++ b/test/asynctest.c
@@ -409,6 +409,7 @@ static int test_ASYNC_start_job_ex(void)
     ret = 1;
  err:
     ASYNC_WAIT_CTX_free(waitctx);
+    ASYNC_cleanup_thread();
     OSSL_LIB_CTX_free(libctx);
     return ret;
 }