negotiator/skipping: fix leaking commit entries

When releasing the skipping negotiator we free its priority queue, but
not the contained entries. Fix this to plug a memory leak.

Signed-off-by: Patrick Steinhardt <[email protected]>
Signed-off-by: Junio C Hamano <[email protected]>

Author: pks-t

negotiator/skipping.c

@@ -247,8 +247,11 @@ static int ack(struct fetch_negotiator *n, struct commit *c)
 
 static void release(struct fetch_negotiator *n)
 {
-	clear_prio_queue(&((struct data *)n->data)->rev_list);
-	FREE_AND_NULL(n->data);
+	struct data *data = n->data;
+	for (int i = 0; i < data->rev_list.nr; i++)
+		free(data->rev_list.array[i].data);
+	clear_prio_queue(&data->rev_list);
+	FREE_AND_NULL(data);
 }
 
 void skipping_negotiator_init(struct fetch_negotiator *negotiator)

t/t5552-skipping-fetch-negotiator.sh

@@ -1,6 +1,8 @@
 #!/bin/sh
 
 test_description='test skipping fetch negotiator'
+
+TEST_PASSES_SANITIZE_LEAK=true
 . ./test-lib.sh
 
 test_expect_success 'fetch.negotiationalgorithm config' '