diff --git a/rerere.c b/rerere.c
index c7e1f8fd25..10382da55c 100644
--- a/rerere.c
+++ b/rerere.c
@@ -849,6 +849,8 @@ static int do_plain_rerere(struct repository *r,
 	if (update.nr)
 		update_paths(r, &update);
 
+	string_list_clear(&conflict, 0);
+	string_list_clear(&update, 0);
 	return write_rr(rr, fd);
 }
 
@@ -912,6 +914,7 @@ int repo_rerere(struct repository *r, int flags)
 		return 0;
 	status = do_plain_rerere(r, &merge_rr, fd);
 	free_rerere_dirs();
+	string_list_clear(&merge_rr, 1);
 	return status;
 }
 
diff --git a/t/t1021-rerere-in-workdir.sh b/t/t1021-rerere-in-workdir.sh
index 0b892894eb..69bf9476cb 100755
--- a/t/t1021-rerere-in-workdir.sh
+++ b/t/t1021-rerere-in-workdir.sh
@@ -4,6 +4,7 @@ test_description='rerere run in a workdir'
 GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
 export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
 
+TEST_PASSES_SANITIZE_LEAK=true
 . ./test-lib.sh
 
 test_expect_success SYMLINKS setup '
diff --git a/t/t3504-cherry-pick-rerere.sh b/t/t3504-cherry-pick-rerere.sh
index 4581ae98b8..597c98e9c5 100755
--- a/t/t3504-cherry-pick-rerere.sh
+++ b/t/t3504-cherry-pick-rerere.sh
@@ -5,6 +5,7 @@ test_description='cherry-pick should rerere for conflicts'
 GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
 export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
 
+TEST_PASSES_SANITIZE_LEAK=true
 . ./test-lib.sh
 
 test_expect_success setup '
diff --git a/t/t7600-merge.sh b/t/t7600-merge.sh
index e5ff073099..041f1077b0 100755
--- a/t/t7600-merge.sh
+++ b/t/t7600-merge.sh
@@ -29,6 +29,7 @@ Testing basic merge operations/option parsing.
 GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
 export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
 
+TEST_PASSES_SANITIZE_LEAK=true
 . ./test-lib.sh
 . "$TEST_DIRECTORY"/lib-gpg.sh