# mutexattr's needs to be initialized or locking will fail on OmniOS
diff -u -r samba-4.12.0rc1/lib/tdb/common/mutex.c samba-4.12.0rc1-liu/lib/tdb/common/mutex.c
--- samba-4.12.0rc1/lib/tdb/common/mutex.c	tis jan. 21 15:09:48 2020
+++ samba-4.12.0rc1-liu/lib/tdb/common/mutex.c	tors jan. 23 21:41:16 2020
@@ -220,7 +220,7 @@
 		    bool waitflag, int *pret)
 {
 	struct tdb_mutexes *m = tdb->mutexes;
-	pthread_mutex_t *chain;
+	pthread_mutex_t *chain = NULL;
 	int ret;
 	unsigned idx;
 	bool allrecord_ok;
@@ -558,7 +558,7 @@
 int tdb_mutex_init(struct tdb_context *tdb)
 {
 	struct tdb_mutexes *m;
-	pthread_mutexattr_t ma;
+	pthread_mutexattr_t ma = { 0 };
 	int i, ret;
 
 	ret = tdb_mutex_mmap(tdb);
@@ -587,6 +587,9 @@
 	for (i=0; i<tdb->hash_size+1; i++) {
 		pthread_mutex_t *chain = &m->hashchains[i];
 
+#ifdef __sun__
+		memset(chain, 0, sizeof(*chain));
+#endif
 		ret = pthread_mutex_init(chain, &ma);
 		if (ret != 0) {
 			goto fail;
@@ -594,7 +597,9 @@
 	}
 
 	m->allrecord_lock = F_UNLCK;
-
+#ifdef __sun__
+	memset(&m->allrecord_mutex, 0, sizeof(pthread_mutex_t));
+#endif
 	ret = pthread_mutex_init(&m->allrecord_mutex, &ma);
 	if (ret != 0) {
 		goto fail;
@@ -661,7 +666,7 @@
 
 static bool tdb_mutex_locking_supported(void)
 {
-	pthread_mutexattr_t ma;
+  	pthread_mutexattr_t ma = { 0 };
 	pthread_mutex_t m;
 	int ret;
 	static bool initialized;
@@ -688,6 +693,9 @@
 	if (ret != 0) {
 		goto cleanup_ma;
 	}
+#ifdef __sun__
+	memset(&m, 0, sizeof(m));
+#endif
 	ret = pthread_mutex_init(&m, &ma);
 	if (ret != 0) {
 		goto cleanup_ma;
@@ -829,7 +837,7 @@
 {
 	void *ptr = NULL;
 	pthread_mutex_t *m = NULL;
-	pthread_mutexattr_t ma;
+	pthread_mutexattr_t ma = { 0 };
 	int ret = 1;
 	int pipe_down[2] = { -1, -1 };
 	int pipe_up[2] = { -1, -1 };
@@ -885,6 +893,9 @@
 	if (ret != 0) {
 		goto cleanup;
 	}
+#ifdef __sun__
+	memset(ptr, 0, sizeof(*ptr));
+#endif
 	ret = pthread_mutex_init(ptr, &ma);
 	if (ret != 0) {
 		goto cleanup;