Fix potential segfault in revparse.

1 files changed, 6 insertions, 1 deletions

diff --git a/src/revparse.c b/src/revparse.c
index 4d6ffb56e..0c053b397 100644
--- a/src/revparse.c
+++ b/src/revparse.c
@@ -406,7 +406,7 @@ static int handle_caret_syntax(git_object **out, git_repository *repo, git_objec
          *out = newobj2;
          return 0;
       }
-      
+
       /* {/...} -> Walk all commits until we see a commit msg that matches the phrase. */
       if (movement[1] == '/') {
          int retcode = GIT_ERROR;
@@ -550,6 +550,11 @@ static int oid_for_tree_path(git_oid *out, git_tree *tree, git_repository *repo,
       }
    }
 
+   if (!entry) {
+      giterr_set(GITERR_INVALID, "Invalid tree path '%s'", path);
+      return GIT_ERROR;
+   }
+
    git_oid_cpy(out, git_tree_entry_id(entry));
    git__free(alloc);
    return 0;