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Diffstat (limited to 'src/libsystemd-network/sd-dhcp-server.c')
| -rw-r--r-- | src/libsystemd-network/sd-dhcp-server.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/libsystemd-network/sd-dhcp-server.c b/src/libsystemd-network/sd-dhcp-server.c index ec9202d02e..1d27d28959 100644 --- a/src/libsystemd-network/sd-dhcp-server.c +++ b/src/libsystemd-network/sd-dhcp-server.c @@ -319,6 +319,9 @@ static int dhcp_server_send_unicast_raw( memcpy(link.ll.sll_addr, chaddr, hlen); + if (len > UINT16_MAX) + return -EOVERFLOW; + dhcp_packet_append_ip_headers(packet, server->address, DHCP_PORT_SERVER, packet->dhcp.yiaddr, DHCP_PORT_CLIENT, len, -1); |