diff --git a/lib/asan/tests/asan_mac_test_helpers.mm b/lib/asan/tests/asan_mac_test_helpers.mm
index a7e4b9d..3f8fa26 100644
--- a/lib/asan/tests/asan_mac_test_helpers.mm
+++ b/lib/asan/tests/asan_mac_test_helpers.mm
@@ -237,4 +237,5 @@
       [[NSURL alloc] initWithString:@"Saved Application State"
                      relativeToURL:base];
   [u release];
+  [base release];
 }
diff --git a/test/asan/TestCases/Darwin/malloc_set_zone_name-mprotect.cc b/test/asan/TestCases/Darwin/malloc_set_zone_name-mprotect.cc
index 2c643bc..b9b96ef 100644
--- a/test/asan/TestCases/Darwin/malloc_set_zone_name-mprotect.cc
+++ b/test/asan/TestCases/Darwin/malloc_set_zone_name-mprotect.cc
@@ -47,5 +47,6 @@
     memset(mem[i], 'a', 8 * (i % kNumIter));
     free(mem[i]);
   }
+  malloc_destroy_zone(zone);
   return 0;
 }
diff --git a/test/asan/TestCases/Darwin/scribble.cc b/test/asan/TestCases/Darwin/scribble.cc
index 33f64e1..0ddee6b 100644
--- a/test/asan/TestCases/Darwin/scribble.cc
+++ b/test/asan/TestCases/Darwin/scribble.cc
@@ -54,4 +54,5 @@
   fprintf(stderr, "okthxbai!\n");
   // CHECK-SCRIBBLE: okthxbai!
   // CHECK-NOSCRIBBLE: okthxbai!
+  free(my_class_isa);
 }
diff --git a/test/asan/TestCases/Darwin/suppressions-darwin.cc b/test/asan/TestCases/Darwin/suppressions-darwin.cc
index a177c4e..8c207b1 100644
--- a/test/asan/TestCases/Darwin/suppressions-darwin.cc
+++ b/test/asan/TestCases/Darwin/suppressions-darwin.cc
@@ -27,6 +27,7 @@
                               kCFStringEncodingUTF8, FALSE); // BOOM
   fprintf(stderr, "Ignored.\n");
   free(a);
+  CFRelease(str);
 }
 
 // CHECK-CRASH: AddressSanitizer: heap-buffer-overflow
diff --git a/test/asan/TestCases/Darwin/suppressions-sandbox.cc b/test/asan/TestCases/Darwin/suppressions-sandbox.cc
index ddbad46..c0b84ad 100644
--- a/test/asan/TestCases/Darwin/suppressions-sandbox.cc
+++ b/test/asan/TestCases/Darwin/suppressions-sandbox.cc
@@ -18,6 +18,7 @@
                               kCFStringEncodingUTF8, FALSE);  // BOOM
   fprintf(stderr, "Ignored.\n");
   free(a);
+  CFRelease(str);
 }
 
 // CHECK-CRASH: AddressSanitizer: heap-buffer-overflow