test.c: avoid NULL-dereference

test_init() calls test_new(NULL, NULL), which leads to a segfault.
llvm 16 optimizes this away with -O2, however gcc 4.2.1 on sparc64
doesn't. Fix this by only inheriting the out FILE from the parent
if the latter is non-NULL.

1 files changed, 3 insertions, 2 deletions

diff --git a/src/regress/lib/libcrypto/test/test.c b/src/regress/lib/libcrypto/test/test.c
index b48711919d..ca3149217a 100644
--- a/src/regress/lib/libcrypto/test/test.c
+++ b/src/regress/lib/libcrypto/test/test.c
@@ -1,4 +1,4 @@
-/*      $OpenBSD: test.c,v 1.1 2025/05/21 08:57:13 joshua Exp $ */
+/*      $OpenBSD: test.c,v 1.2 2025/05/31 08:23:46 tb Exp $ */
 /*
  * Copyright (c) 2025 Joshua Sing <joshua@joshuasing.dev>
  *
@@ -46,7 +46,8 @@ test_new(struct test *pt, const char *name)
                         err(1, "strdup");
         }
 
-        t->out = pt->out;
+        if (pt != NULL)
+                t->out = pt->out;
         t->parent = pt;
 
         return t;