summaryrefslogtreecommitdiffstats
path: root/src/udev/fuzz-udev-rules.c
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-10 20:49:52 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-10 20:49:52 +0000
commit55944e5e40b1be2afc4855d8d2baf4b73d1876b5 (patch)
tree33f869f55a1b149e9b7c2b7e201867ca5dd52992 /src/udev/fuzz-udev-rules.c
parentInitial commit. (diff)
downloadsystemd-55944e5e40b1be2afc4855d8d2baf4b73d1876b5.tar.xz
systemd-55944e5e40b1be2afc4855d8d2baf4b73d1876b5.zip
Adding upstream version 255.4.upstream/255.4
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/udev/fuzz-udev-rules.c')
-rw-r--r--src/udev/fuzz-udev-rules.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/src/udev/fuzz-udev-rules.c b/src/udev/fuzz-udev-rules.c
new file mode 100644
index 0000000..0a1056d
--- /dev/null
+++ b/src/udev/fuzz-udev-rules.c
@@ -0,0 +1,35 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <stdio.h>
+
+#include "fd-util.h"
+#include "fs-util.h"
+#include "fuzz.h"
+#include "tests.h"
+#include "tmpfile-util.h"
+#include "udev-rules.h"
+
+int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
+ _cleanup_(udev_rules_freep) UdevRules *rules = NULL;
+ _cleanup_fclose_ FILE *f = NULL;
+ _cleanup_(unlink_tempfilep) char filename[] = "/tmp/fuzz-udev-rules.XXXXXX";
+ int r;
+
+ if (outside_size_range(size, 0, 65536))
+ return 0;
+
+ fuzz_setup_logging();
+
+ assert_se(fmkostemp_safe(filename, "r+", &f) == 0);
+ if (size != 0)
+ assert_se(fwrite(data, size, 1, f) == 1);
+ fflush(f);
+
+ assert_se(rules = udev_rules_new(RESOLVE_NAME_EARLY));
+ r = udev_rules_parse_file(rules, filename, /* extra_checks = */ false, NULL);
+ log_info_errno(r, "Parsing %s: %m", filename);
+ assert_se(r >= 0 || /* OK */
+ r == -ENOBUFS); /* line length exceeded */
+
+ return 0;
+}