r8032: added loop detection into talloc. Robert Collins found a way to make a

memory loop with talloc_unlink(), so now we detect it and handle it
(This used to be commit 563058e78b8c74e821fabf6a43fa861c1ad09944)

1 files changed, 21 insertions, 0 deletions

diff --git a/source4/lib/talloc/testsuite.c b/source4/lib/talloc/testsuite.c
index 60da1c3f87..422cb8fee5 100644
--- a/source4/lib/talloc/testsuite.c
+++ b/source4/lib/talloc/testsuite.c
@@ -818,6 +818,26 @@ static BOOL test_speed(void)
 }
 
 
+BOOL test_lifeless(void)
+{
+	char *top = talloc_new(NULL);
+	char *parent, *child; 
+	char *child_owner = talloc_new(NULL);
+
+	printf("TESTING TALLOC_UNLINK LOOP\n");
+
+	parent = talloc_strdup(top, "parent");
+	child = talloc_strdup(parent, "child");  
+	talloc_reference(child, parent);
+	talloc_reference(child_owner, child); 
+	talloc_unlink(top, parent);
+	talloc_free(child);
+	talloc_report_full(top, stdout);
+	talloc_free(top);
+	return True;
+}
+
+
 BOOL torture_local_talloc(void) 
 {
 	BOOL ret = True;
@@ -834,6 +854,7 @@ BOOL torture_local_talloc(void)
 	ret &= test_unref_reparent();
 	ret &= test_realloc_fn();
 	ret &= test_type();
+	ret &= test_lifeless();
 	if (ret) {
 		ret &= test_speed();
 	}