wycheproof: use local variables for testGroups and algorithm

1 files changed, 11 insertions, 7 deletions

diff --git a/src/regress/lib/libcrypto/wycheproof/wycheproof.go b/src/regress/lib/libcrypto/wycheproof/wycheproof.go
index 7ecb344b5c..930ba4624c 100644
--- a/src/regress/lib/libcrypto/wycheproof/wycheproof.go
+++ b/src/regress/lib/libcrypto/wycheproof/wycheproof.go
@@ -1,4 +1,4 @@
-/* $OpenBSD: wycheproof.go,v 1.162 2025/09/04 16:38:40 tb Exp $ */
+/* $OpenBSD: wycheproof.go,v 1.163 2025/09/04 16:40:12 tb Exp $ */
 /*
  * Copyright (c) 2018,2023 Joel Sing <jsing@openbsd.org>
  * Copyright (c) 2018,2019,2022-2024 Theo Buehler <tb@openbsd.org>
@@ -2645,6 +2645,8 @@ func testGroupFromAlgorithm(algorithm string, variant testVariant) wycheproofTes
 }
 
 func runTestVectors(path string, variant testVariant) bool {
+        var algorithm string
+        var testGroups []json.RawMessage
         b, err := ioutil.ReadFile(path)
         if err != nil {
                 log.Fatalf("Failed to read test vectors: %v", err)
@@ -2653,23 +2655,25 @@ func runTestVectors(path string, variant testVariant) bool {
         if err := json.Unmarshal(b, wtv); err != nil {
                 log.Fatalf("Failed to unmarshal JSON: %v", err)
         }
-        fmt.Printf("Loaded Wycheproof test vectors for %v with %d tests from %q\n", wtv.Algorithm, wtv.NumberOfTests, filepath.Base(path))
+        algorithm = wtv.Algorithm
+        testGroups = wtv.TestGroups
+        fmt.Printf("Loaded Wycheproof test vectors for %v with %d tests from %q\n", algorithm, wtv.NumberOfTests, filepath.Base(path))
 
         success := true
-        for _, tg := range wtv.TestGroups {
-                wtg := testGroupFromAlgorithm(wtv.Algorithm, variant)
+        for _, tg := range testGroups {
+                wtg := testGroupFromAlgorithm(algorithm, variant)
                 if wtg == nil {
-                        log.Printf("INFO: Unknown test vector algorithm %q", wtv.Algorithm)
+                        log.Printf("INFO: Unknown test vector algorithm %q", algorithm)
                         return false
                 }
                 if err := json.Unmarshal(tg, wtg); err != nil {
                         log.Fatalf("Failed to unmarshal test groups JSON: %v", err)
                 }
                 testc.runTest(func() bool {
-                        return wtg.run(wtv.Algorithm, variant)
+                        return wtg.run(algorithm, variant)
                 })
         }
-        for _ = range wtv.TestGroups {
+        for _ = range testGroups {
                 result := <-testc.resultCh
                 if !result {
                         success = false