From 82544241bade82d0740378fa099d0d6c3dcfaeb0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Zbigniew=20J=C4=99drzejewski-Szmek?= <zbyszek@in.waw.pl>
Date: Tue, 10 May 2022 11:55:37 +0200
Subject: [PATCH] fuzz-bootspec: limit input size

https://oss-fuzz.com/testcase-detail/5680508182331392 has the
first timeout with 811kb of input. As in the other cases, the code
is known to be slow with lots of repeated entries and we're fine with
that.
---
 src/fuzz/fuzz-bootspec.c       | 3 +++
 src/fuzz/fuzz-bootspec.options | 2 ++
 2 files changed, 5 insertions(+)
 create mode 100644 src/fuzz/fuzz-bootspec.options

diff --git a/src/fuzz/fuzz-bootspec.c b/src/fuzz/fuzz-bootspec.c
index b59e67c24e3..fa9e3f06e04 100644
--- a/src/fuzz/fuzz-bootspec.c
+++ b/src/fuzz/fuzz-bootspec.c
@@ -84,6 +84,9 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
         _cleanup_(boot_config_free) BootConfig config = BOOT_CONFIG_NULL;
         int r;
 
+        if (size > 65535)
+                return 0;
+
         /* Disable most logging if not running standalone */
         if (!getenv("SYSTEMD_LOG_LEVEL"))
                 log_set_max_level(LOG_CRIT);
diff --git a/src/fuzz/fuzz-bootspec.options b/src/fuzz/fuzz-bootspec.options
new file mode 100644
index 00000000000..0824b19fab4
--- /dev/null
+++ b/src/fuzz/fuzz-bootspec.options
@@ -0,0 +1,2 @@
+[libfuzzer]
+max_len = 65535