|
 |
8d419f |
From 3087505025b78b80951ab3a5f496eb255f1a9a21 Mon Sep 17 00:00:00 2001
|
|
|
8d419f |
From: =?UTF-8?q?Zbigniew=20J=C4=99drzejewski-Szmek?= <zbyszek@in.waw.pl>
|
|
|
8d419f |
Date: Mon, 9 May 2022 10:41:36 +0200
|
|
|
8d419f |
Subject: [PATCH] fuzz-json: optionally allow logging and output
|
|
|
8d419f |
MIME-Version: 1.0
|
|
|
8d419f |
Content-Type: text/plain; charset=UTF-8
|
|
|
8d419f |
Content-Transfer-Encoding: 8bit
|
|
|
8d419f |
|
|
|
8d419f |
Similarly to other fuzzers… this makes development easier.
|
|
|
8d419f |
|
|
|
8d419f |
(cherry picked from commit 9ad955ce40e244a52984c68ae2a6b151d918b4a8)
|
|
|
8d419f |
Related: #2087652
|
|
|
8d419f |
---
|
|
|
8d419f |
src/fuzz/fuzz-json.c | 19 ++++++++++++++-----
|
|
|
8d419f |
1 file changed, 14 insertions(+), 5 deletions(-)
|
|
|
8d419f |
|
|
|
8d419f |
diff --git a/src/fuzz/fuzz-json.c b/src/fuzz/fuzz-json.c
|
|
|
8d419f |
index ad7460c6fd..648a6d441d 100644
|
|
|
8d419f |
--- a/src/fuzz/fuzz-json.c
|
|
|
8d419f |
+++ b/src/fuzz/fuzz-json.c
|
|
|
8d419f |
@@ -1,6 +1,7 @@
|
|
|
8d419f |
/* SPDX-License-Identifier: LGPL-2.1-or-later */
|
|
|
8d419f |
|
|
|
8d419f |
#include "alloc-util.h"
|
|
|
8d419f |
+#include "env-util.h"
|
|
|
8d419f |
#include "fd-util.h"
|
|
|
8d419f |
#include "fuzz.h"
|
|
|
8d419f |
#include "json.h"
|
|
|
8d419f |
@@ -10,18 +11,26 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
|
|
|
8d419f |
size_t out_size;
|
|
|
8d419f |
_cleanup_fclose_ FILE *f = NULL, *g = NULL;
|
|
|
8d419f |
_cleanup_(json_variant_unrefp) JsonVariant *v = NULL;
|
|
|
8d419f |
+ int r;
|
|
|
8d419f |
+
|
|
|
8d419f |
+ /* Disable most logging if not running standalone */
|
|
|
8d419f |
+ if (!getenv("SYSTEMD_LOG_LEVEL"))
|
|
|
8d419f |
+ log_set_max_level(LOG_CRIT);
|
|
|
8d419f |
|
|
|
8d419f |
f = data_to_file(data, size);
|
|
|
8d419f |
assert_se(f);
|
|
|
8d419f |
|
|
|
8d419f |
- if (json_parse_file(f, NULL, 0, &v, NULL, NULL) < 0)
|
|
|
8d419f |
+ r = json_parse_file(f, NULL, 0, &v, NULL, NULL);
|
|
|
8d419f |
+ if (r < 0) {
|
|
|
8d419f |
+ log_debug_errno(r, "failed to parse input: %m");
|
|
|
8d419f |
return 0;
|
|
|
8d419f |
+ }
|
|
|
8d419f |
|
|
|
8d419f |
- g = open_memstream_unlocked(&out, &out_size);
|
|
|
8d419f |
- assert_se(g);
|
|
|
8d419f |
+ if (getenv_bool("SYSTEMD_FUZZ_OUTPUT") <= 0)
|
|
|
8d419f |
+ assert_se(g = open_memstream_unlocked(&out, &out_size));
|
|
|
8d419f |
|
|
|
8d419f |
- json_variant_dump(v, 0, g, NULL);
|
|
|
8d419f |
- json_variant_dump(v, JSON_FORMAT_PRETTY|JSON_FORMAT_COLOR|JSON_FORMAT_SOURCE, g, NULL);
|
|
|
8d419f |
+ json_variant_dump(v, 0, g ?: stdout, NULL);
|
|
|
8d419f |
+ json_variant_dump(v, JSON_FORMAT_PRETTY|JSON_FORMAT_COLOR|JSON_FORMAT_SOURCE, g ?: stdout, NULL);
|
|
|
8d419f |
|
|
|
8d419f |
return 0;
|
|
|
8d419f |
}
|