[PATCH 06/23] submodule: fix leaking submodule entry list
- From
Patrick Steinhardt <ps@pks.im>
- Date
- Sep 30, 2024, 09:13 UTC
- Message-ID
- <7781d7644e9f76a6638cabc0412d583ad703905d.1727687410.git.ps@pks.im>
- In-Reply-To
- <cover.1727687410.git.ps@pks.im>
The submodule entry list returned by `submodules_of_tree()` is never completely free'd by its only caller. Introduce a new function that free's the list for us and call it.
While at it, also fix the leaking `branch_point` string.
Signed-off-by: Patrick Steinhardt <ps@pks.im> --- branch.c | 8 ++++++-- submodule-config.c | 15 ++++++++++++++- submodule-config.h | 3 +++ t/t3207-branch-submodule.sh | 1 + 4 files changed, 24 insertions(+), 3 deletions(-)
diff --git a/branch.c b/branch.c index 08fa4094d2..44977ad0aa 100644 --- a/branch.c +++ b/branch.c @@ -738,6 +738,7 @@ static int submodule_create_branch(struct repository *r, strbuf_release(&child_err); strbuf_release(&out_buf); + free(out_prefix); return ret; } @@ -794,7 +795,7 @@ void create_branches_recursively(struct repository *r, const char *name, create_branch(r, name, start_committish, force, 0, reflog, quiet, BRANCH_TRACK_NEVER, dry_run); if (dry_run) - return; + goto out; /* * NEEDSWORK If tracking was set up in the superproject but not the * submodule, users might expect "git branch --recurse-submodules" to @@ -815,8 +816,11 @@ void create_branches_recursively(struct repository *r, const char *name, die(_("submodule '%s': cannot create branch '%s'"), submodule_entry_list.entries[i].submodule->name, name); - repo_clear(submodule_entry_list.entries[i].repo); } + +out: + submodule_entry_list_release(&submodule_entry_list); + free(branch_point); } void remove_merge_branch_state(struct repository *r) diff --git a/submodule-config.c b/submodule-config.c index 471637a725..9c8c37b259 100644 --- a/submodule-config.c +++ b/submodule-config.c @@ -901,8 +901,9 @@ static void traverse_tree_submodules(struct repository *r, struct submodule_tree_entry *st_entry; struct name_entry name_entry; char *tree_path = NULL; + char *tree_buf; - fill_tree_descriptor(r, &tree, treeish_name); + tree_buf = fill_tree_descriptor(r, &tree, treeish_name); while (tree_entry(&tree, &name_entry)) { if (prefix) tree_path = @@ -930,6 +931,8 @@ static void traverse_tree_submodules(struct repository *r, &name_entry.oid, out); free(tree_path); } + + free(tree_buf); } void submodules_of_tree(struct repository *r, @@ -943,6 +946,16 @@ void submodules_of_tree(struct repository *r, traverse_tree_submodules(r, treeish_name, NULL, treeish_name, out); } +void submodule_entry_list_release(struct submodule_entry_list *list) +{ + for (size_t i = 0; i < list->entry_nr; i++) { + free(list->entries[i].name_entry); + repo_clear(list->entries[i].repo); + free(list->entries[i].repo); + } + free(list->entries); +} + void submodule_free(struct repository *r) { if (r->submodule_cache) diff --git a/submodule-config.h b/submodule-config.h index b6133af71b..f55d4e3b61 100644 --- a/submodule-config.h +++ b/submodule-config.h @@ -136,4 +136,7 @@ struct submodule_entry_list { void submodules_of_tree(struct repository *r, const struct object_id *treeish_name, struct submodule_entry_list *ret); + +void submodule_entry_list_release(struct submodule_entry_list *list); + #endif /* SUBMODULE_CONFIG_H */ diff --git a/t/t3207-branch-submodule.sh b/t/t3207-branch-submodule.sh index fe72b24716..904eea7df5 100755 --- a/t/t3207-branch-submodule.sh +++ b/t/t3207-branch-submodule.sh @@ -5,6 +5,7 @@ test_description='git branch submodule tests' 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-rebase.sh
-- 2.46.2.852.g229c0bf0e5.dirty