commit 0ae61b79f6344b7913b8daf346b41b4e3fe8211a
from: Stefan Sperling <stsp@stsp.name>
date: Mon Mar 21 10:17:40 2022 UTC

fix potential NULL deref in error path of got_object_idset_remove()

commit - 7a30b5cb05817b97fcb91183049b629a948e3ba6
commit + 0ae61b79f6344b7913b8daf346b41b4e3fe8211a
blob - bec28e2592f77e2e43e9df547016ff61d8886b42
blob + 37ea8e262784f9521e53f7db7f9ff11232dce3d6
--- lib/object_idset.c
+++ lib/object_idset.c
@@ -145,12 +145,15 @@ got_object_idset_remove(void **data, struct got_object
 	if (set->totelem == 0)
 		return got_error(GOT_ERR_NO_OBJ);
 
-	if (id == NULL)
+	if (id == NULL) {
 		entry = RB_ROOT(&set->entries);
-	else
+		if (entry == NULL)
+			return got_error(GOT_ERR_NO_OBJ);
+	} else {
 		entry = find_element(set, id);
-	if (entry == NULL)
-		return got_error_no_obj(id);
+		if (entry == NULL)
+			return got_error_no_obj(id);
+	}
 
 	RB_REMOVE(got_object_idset_tree, &set->entries, entry);
 	if (data)