commit 246e1c78b7c0d1b05a03e5801ffd25d90014f4a4
from: Stefan Sperling <stsp@stsp.name>
date: Thu Nov 08 18:09:27 2018 UTC

prevent free of bogus pointers via fetch_commits_from_open_branches()

commit - 5e50c36a5afdc25a5118410cbfa5f8e89c800f3a
commit + 246e1c78b7c0d1b05a03e5801ffd25d90014f4a4
blob - 845e5be5f5dfcfc507ff3ee24b71d2873b0e0408
blob + f663cec7fee07256ea7b0f7355b62ceef29f6843
--- lib/commit_graph.c
+++ lib/commit_graph.c
@@ -581,7 +581,7 @@ fetch_commits_from_open_branches(int *nfetched,
 			*changed_id = commit_id;
 	}
 done:
-	for (i = 0; i < ntips; i++)
+	for (i = 0; i < arg.ntips; i++)
 		got_object_commit_close(arg.tips[i].commit);
 	(*nfetched) = arg.ntips;
 	return err;