commit c3741b5125b549780b75d4614d6dc283e53bd48d
from: Stefan Sperling <stsp@stsp.name>
via: Thomas Adam <thomas@xteddy.org>
date: Fri Dec 31 12:00:42 2021 UTC

fix NULL dereference in 'got clone' if server sends an empty pack file

commit - 4c71f93b66de6eee9e07d65a1f6ae8b13dd576b3
commit + c3741b5125b549780b75d4614d6dc283e53bd48d
blob - d4eea4c3897dfc8806b4e71643a149af978da470
blob + 093969a412f974c7bc0306e166d6d6d26eb60019
--- got/got.c
+++ got/got.c
@@ -1658,6 +1658,11 @@ cmd_clone(int argc, char *argv[])
 		goto done;
 	}
 
+	if (pack_hash == NULL) {
+		error = got_error_fmt(GOT_ERR_FETCH_FAILED, "%s",
+		    "server sent an empty pack file");
+		goto done;
+	}
 	error = got_object_id_str(&id_str, pack_hash);
 	if (error)
 		goto done;