Adding upstream version 255.4.upstream/255.4

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 40 insertions, 0 deletions

diff --git a/src/libsystemd-network/fuzz-ndisc-rs.c b/src/libsystemd-network/fuzz-ndisc-rs.c
new file mode 100644
index 0000000..a89e2b0
--- /dev/null
+++ b/src/libsystemd-network/fuzz-ndisc-rs.c
@@ -0,0 +1,40 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <arpa/inet.h>
+#include <netinet/icmp6.h>
+#include <unistd.h>
+
+#include "sd-ndisc.h"
+
+#include "alloc-util.h"
+#include "fd-util.h"
+#include "fuzz.h"
+#include "icmp6-util-unix.h"
+#include "ndisc-internal.h"
+#include "socket-util.h"
+
+int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
+        struct ether_addr mac_addr = {
+                .ether_addr_octet = {'A', 'B', 'C', '1', '2', '3'}
+        };
+        _cleanup_(sd_event_unrefp) sd_event *e = NULL;
+        _cleanup_(sd_ndisc_unrefp) sd_ndisc *nd = NULL;
+
+        if (outside_size_range(size, 0, 2048))
+                return 0;
+
+        fuzz_setup_logging();
+
+        assert_se(sd_event_new(&e) >= 0);
+        assert_se(sd_ndisc_new(&nd) >= 0);
+        assert_se(sd_ndisc_attach_event(nd, e, 0) >= 0);
+        assert_se(sd_ndisc_set_ifindex(nd, 42) >= 0);
+        assert_se(sd_ndisc_set_mac(nd, &mac_addr) >= 0);
+        assert_se(sd_ndisc_start(nd) >= 0);
+        assert_se(write(test_fd[1], data, size) == (ssize_t) size);
+        (void) sd_event_run(e, UINT64_MAX);
+        assert_se(sd_ndisc_stop(nd) >= 0);
+        close(test_fd[1]);
+
+        return 0;
+}