commit 7f11502cb5629607446cbb42652120095794f8e0
from: Hiltjo Posthuma <hiltjo@codemadness.org>
date: Wed Aug 28 17:15:36 2019 UTC

fix possible use-after-free in got_worktree_close()

commit - fd9f4a2de0e0bb2450a8afeae120a4b14ae10272
commit + 7f11502cb5629607446cbb42652120095794f8e0
blob - 8921d44e97b711564ee7ae00213598871b7242e3
blob + 3991862f6937a45384001a29a872cbffe9b742e1
--- lib/worktree.c
+++ lib/worktree.c
@@ -455,7 +455,6 @@ const struct got_error *
 got_worktree_close(struct got_worktree *worktree)
 {
 	const struct got_error *err = NULL;
-	free(worktree->root_path);
 	free(worktree->repo_path);
 	free(worktree->path_prefix);
 	free(worktree->base_commit_id);
@@ -464,6 +463,7 @@ got_worktree_close(struct got_worktree *worktree)
 		if (close(worktree->lockfd) != 0)
 			err = got_error_from_errno2("close",
 			    got_worktree_get_root_path(worktree));
+	free(worktree->root_path);
 	free(worktree);
 	return err;
 }