From: Jakub Zelenka <jakub.zelenka@openssl.foundation>
Date: Mon, 1 Jun 2026 21:27:55 +0000 (+0200)
Subject: mfail: do not count allocations for no file when checked
X-Git-Url: http://git.ipfire.org/gitweb/?a=commitdiff_plain;h=930906e98bcac8524d13e7aa2ca5f7194166313b;p=thirdparty%2Fopenssl.git

mfail: do not count allocations for no file when checked

This skips some debug and error allocations that cannot be handled

Reviewed-by: Norbert Pocs <norbertp@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.foundation>
MergeDate: Thu Jun 11 16:00:14 2026
(Merged from https://github.com/openssl/openssl/pull/31356)
---

diff --git a/test/mfail/mfail.c b/test/mfail/mfail.c
index 034d9881dac..254a6a965f4 100644
--- a/test/mfail/mfail.c
+++ b/test/mfail/mfail.c
@@ -54,6 +54,7 @@ static struct {
     int triggered;
     int counting;
     int slow_skipped;
+    int no_check;
 } mf;
 
 static int env_is_true(const char *name)
@@ -92,12 +93,15 @@ static void mfail_print_bt(void)
 #endif
 }
 
-static int should_fail(void)
+static int should_fail(const char *file)
 {
     int idx;
 
     if (!mf.counting)
         return 0;
+    /* skip if checking errors and file is not set (debug and error parts) */
+    if (!mf.no_check && file == NULL)
+        return 0;
 
     idx = mf.alloc_count++;
 
@@ -116,7 +120,7 @@ static void *mf_malloc(size_t num, const char *file, int line)
 {
     if (num == 0)
         return NULL;
-    if (should_fail())
+    if (should_fail(file))
         return NULL;
     return malloc(num);
 }
@@ -129,7 +133,7 @@ static void *mf_realloc(void *addr, size_t num, const char *file, int line)
         free(addr);
         return NULL;
     }
-    if (should_fail())
+    if (should_fail(file))
         return NULL;
     return realloc(addr, num);
 }
@@ -216,6 +220,7 @@ void mfail_init(int seq, int flags)
     mf.triggered = 0;
     mf.counting = 0;
     mf.slow_skipped = 0;
+    mf.no_check = flags & MFAIL_FLAG_NO_CHECK;
 
     if (mf.single_point >= 0) {
         mf.mode = MFAIL_MODE_SINGLE;
diff --git a/test/mfail/mfail.h b/test/mfail/mfail.h
index 35888423f8c..6c16e4fe656 100644
--- a/test/mfail/mfail.h
+++ b/test/mfail/mfail.h
@@ -12,6 +12,7 @@
 
 /* Flags for mfail_init(). */
 #define MFAIL_FLAG_COUNT (1 << 0)
+#define MFAIL_FLAG_NO_CHECK (1 << 1)
 
 /* Modes */
 #define MFAIL_MODE_EXHAUSTIVE 0
diff --git a/test/testutil/driver.c b/test/testutil/driver.c
index a3fdc59cc08..86eacd40087 100644
--- a/test/testutil/driver.c
+++ b/test/testutil/driver.c
@@ -330,7 +330,7 @@ static int mfail_run_test(const TEST_INFO *t, int idx)
     test_flush_stdout();
     test_flush_tapout();
 
-    mfail_init(0, 0);
+    mfail_init(0, no_check ? MFAIL_FLAG_NO_CHECK : 0);
 
     while (mfail_has_next()) {
         int phase = mfail_get_phase();