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-rw-r--r--shallow.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/shallow.c b/shallow.c
index dbd9f5ad0a..4d90eda19e 100644
--- a/shallow.c
+++ b/shallow.c
@@ -56,7 +56,7 @@ struct commit_list *get_shallow_commits(struct object_array *heads, int depth,
if (i < heads->nr) {
commit = (struct commit *)
deref_tag(heads->objects[i++].item, NULL, 0);
- if (commit->object.type != OBJ_COMMIT) {
+ if (!commit || commit->object.type != OBJ_COMMIT) {
commit = NULL;
continue;
}
@@ -70,7 +70,8 @@ struct commit_list *get_shallow_commits(struct object_array *heads, int depth,
cur_depth = *(int *)commit->util;
}
}
- parse_commit(commit);
+ if (parse_commit(commit))
+ die("invalid commit");
commit->object.flags |= not_shallow_flag;
cur_depth++;
for (p = commit->parents, commit = NULL; p; p = p->next) {