systemd/SOURCES/0143-tests-rework-the-code-fuzzing-journald.patch
2021-09-10 05:03:39 +00:00

90 lines
3.0 KiB
Diff

From 452aefc33ab5ebe9c3725d7680ce16399b486a9b Mon Sep 17 00:00:00 2001
From: Evgeny Vereshchagin <evvers@ya.ru>
Date: Mon, 3 Sep 2018 06:46:24 +0000
Subject: [PATCH] tests: rework the code fuzzing journald
This should make it easier to add a new fuzzer without a lot of
duplication.
(cherry picked from commit b1bd453f36b9428b6bf9feba31fa0a2b36143e9c)
Resolves: #1696224
---
src/fuzz/fuzz-journald-syslog.c | 23 ++---------------------
src/fuzz/fuzz-journald.h | 30 ++++++++++++++++++++++++++++++
2 files changed, 32 insertions(+), 21 deletions(-)
create mode 100644 src/fuzz/fuzz-journald.h
diff --git a/src/fuzz/fuzz-journald-syslog.c b/src/fuzz/fuzz-journald-syslog.c
index 7730f60875..100f0ce691 100644
--- a/src/fuzz/fuzz-journald-syslog.c
+++ b/src/fuzz/fuzz-journald-syslog.c
@@ -1,29 +1,10 @@
/* SPDX-License-Identifier: LGPL-2.1+ */
-#include "alloc-util.h"
#include "fuzz.h"
-#include "journald-server.h"
+#include "fuzz-journald.h"
#include "journald-syslog.h"
-#include "sd-event.h"
int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
- Server s = {};
- char *label = NULL;
- size_t label_len = 0;
- struct ucred *ucred = NULL;
- struct timeval *tv = NULL;
-
- if (size == 0)
- return 0;
-
- assert_se(sd_event_default(&s.event) >= 0);
- s.syslog_fd = s.native_fd = s.stdout_fd = s.dev_kmsg_fd = s.audit_fd = s.hostname_fd = s.notify_fd = -1;
- s.buffer = memdup_suffix0(data, size);
- assert_se(s.buffer);
- s.buffer_size = size + 1;
- s.storage = STORAGE_NONE;
- server_process_syslog_message(&s, s.buffer, size, ucred, tv, label, label_len);
- server_done(&s);
-
+ fuzz_journald_processing_function(data, size, server_process_syslog_message);
return 0;
}
diff --git a/src/fuzz/fuzz-journald.h b/src/fuzz/fuzz-journald.h
new file mode 100644
index 0000000000..e66ef54c9b
--- /dev/null
+++ b/src/fuzz/fuzz-journald.h
@@ -0,0 +1,30 @@
+/* SPDX-License-Identifier: LGPL-2.1+ */
+#pragma once
+
+#include "alloc-util.h"
+#include "journald-server.h"
+#include "sd-event.h"
+
+static void fuzz_journald_processing_function(
+ const uint8_t *data,
+ size_t size,
+ void (*f)(Server *s, const char *buf, size_t raw_len, const struct ucred *ucred, const struct timeval *tv, const char *label, size_t label_len)
+ ) {
+ Server s = {};
+ char *label = NULL;
+ size_t label_len = 0;
+ struct ucred *ucred = NULL;
+ struct timeval *tv = NULL;
+
+ if (size == 0)
+ return;
+
+ assert_se(sd_event_default(&s.event) >= 0);
+ s.syslog_fd = s.native_fd = s.stdout_fd = s.dev_kmsg_fd = s.audit_fd = s.hostname_fd = s.notify_fd = -1;
+ s.buffer = memdup_suffix0(data, size);
+ assert_se(s.buffer);
+ s.buffer_size = size + 1;
+ s.storage = STORAGE_NONE;
+ (*f)(&s, s.buffer, size, ucred, tv, label, label_len);
+ server_done(&s);
+}