[14/29] builtin/log: fix leaking commit list in git-cherry(1)

Commit Message

Patrick Steinhardt June 3, 2024, 9:47 a.m. UTC

We're storing the list of commits that git-cherry(1) is about to print
into a temporary list. This list is never getting free'd and thus leaks.
Fix this.

Signed-off-by: Patrick Steinhardt <[e-mail]>
---
 builtin/log.c     | 6 +++---
 t/t3500-cherry.sh | 1 +
 2 files changed, 4 insertions(+), 3 deletions(-)

Patch

diff --git a/builtin/log.c b/builtin/log.c
index 37ecb3ff8b..b36fa9d155 100644
--- a/builtin/log.c
+++ b/builtin/log.c
@@ -2675,16 +2675,16 @@  int cmd_cherry(int argc, const char **argv, const char *prefix)
 		commit_list_insert(commit, &list);
 	}
 
-	while (list) {
+	for (struct commit_list *l = list; l; l = l->next) {
 		char sign = '+';
 
-		commit = list->item;
+		commit = l->item;
 		if (has_commit_patch_id(commit, &ids))
 			sign = '-';
 		print_commit(sign, commit, verbose, abbrev, revs.diffopt.file);
-		list = list->next;
 	}
 
+	free_commit_list(list);
 	free_patch_ids(&ids);
 	return 0;
 }
diff --git a/t/t3500-cherry.sh b/t/t3500-cherry.sh
index 78c3eac54b..61ca87512d 100755
--- a/t/t3500-cherry.sh
+++ b/t/t3500-cherry.sh
@@ -11,6 +11,7 @@  checks that git cherry only returns the second patch in the local branch
 GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
 export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
 
+TEST_PASSES_SANITIZE_LEAK=true
 . ./test-lib.sh
 
 GIT_AUTHOR_EMAIL=bogus_email_address