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systemd-stable/src/libsystemd-network/fuzz-lldp-rx.c
2021-09-27 23:55:11 +09:00

44 lines
1.2 KiB
C

/* SPDX-License-Identifier: LGPL-2.1-or-later */
#include <errno.h>
#include <unistd.h>
#include "sd-event.h"
#include "sd-lldp-rx.h"
#include "fd-util.h"
#include "fuzz.h"
#include "lldp-network.h"
static int test_fd[2] = { -1, -1 };
int lldp_network_bind_raw_socket(int ifindex) {
if (socketpair(AF_UNIX, SOCK_STREAM | SOCK_CLOEXEC | SOCK_NONBLOCK, 0, test_fd) < 0)
return -errno;
return test_fd[0];
}
int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
_cleanup_(sd_event_unrefp) sd_event *e = NULL;
_cleanup_(sd_lldp_rx_unrefp) sd_lldp_rx *lldp_rx = NULL;
if (size > 2048)
return 0;
assert_se(sd_event_new(&e) == 0);
assert_se(sd_lldp_rx_new(&lldp_rx) >= 0);
assert_se(sd_lldp_rx_set_ifindex(lldp_rx, 42) >= 0);
assert_se(sd_lldp_rx_attach_event(lldp_rx, e, 0) >= 0);
assert_se(sd_lldp_rx_start(lldp_rx) >= 0);
assert_se(write(test_fd[1], data, size) == (ssize_t) size);
assert_se(sd_event_run(e, 0) >= 0);
assert_se(sd_lldp_rx_stop(lldp_rx) >= 0);
assert_se(sd_lldp_rx_detach_event(lldp_rx) >= 0);
test_fd[1] = safe_close(test_fd[1]);
return 0;
}