From fc53809803cd2bc2434e312b19a18fa36776da12 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 12 Jun 2024 05:50:40 +0200 Subject: Adding upstream version 256. Signed-off-by: Daniel Baumann --- src/libsystemd-network/fuzz-dhcp-client.c | 20 +++++++++++++++++++- 1 file changed, 19 insertions(+), 1 deletion(-) (limited to 'src/libsystemd-network/fuzz-dhcp-client.c') diff --git a/src/libsystemd-network/fuzz-dhcp-client.c b/src/libsystemd-network/fuzz-dhcp-client.c index 384972f..72787c4 100644 --- a/src/libsystemd-network/fuzz-dhcp-client.c +++ b/src/libsystemd-network/fuzz-dhcp-client.c @@ -7,8 +7,12 @@ #include "sd-dhcp-client.c" #include "alloc-util.h" +#include "dhcp-lease-internal.h" #include "dhcp-network.h" +#include "fs-util.h" #include "fuzz.h" +#include "network-internal.h" +#include "tmpfile-util.h" int dhcp_network_bind_raw_socket( int ifindex, @@ -52,6 +56,9 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) { uint8_t bcast_addr[] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }; _cleanup_(sd_dhcp_client_unrefp) sd_dhcp_client *client = NULL; _cleanup_(sd_event_unrefp) sd_event *e = NULL; + _cleanup_(sd_dhcp_lease_unrefp) sd_dhcp_lease *lease = NULL; + _cleanup_(unlink_tempfilep) char lease_file[] = "/tmp/fuzz-dhcp-client.XXXXXX"; + _cleanup_close_ int fd = -1; int res, r; assert_se(setenv("SYSTEMD_NETWORK_TEST_MODE", "1", 1) >= 0); @@ -75,8 +82,19 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) { client->xid = 2; client->state = DHCP_STATE_SELECTING; - (void) client_handle_offer_or_rapid_ack(client, (DHCPMessage*) data, size, NULL); + if (client_handle_offer_or_rapid_ack(client, (DHCPMessage*) data, size, NULL) < 0) + goto end; + fd = mkostemp_safe(lease_file); + assert_se(fd >= 0); + + r = dhcp_lease_save(client->lease, lease_file); + assert_se(r >= 0); + + r = dhcp_lease_load(&lease, lease_file); + assert_se(r >= 0); + +end: assert_se(sd_dhcp_client_stop(client) >= 0); return 0; -- cgit v1.2.3