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libsystemd-dhcp: DNS name option must be a multiple of 4 bytes
[elogind.git]
/
src
/
libsystemd-dhcp
/
sd-dhcp-client.c
diff --git
a/src/libsystemd-dhcp/sd-dhcp-client.c
b/src/libsystemd-dhcp/sd-dhcp-client.c
index 7e5c36a857b897a09b24b35e47605b976558dff7..8115b7f769f8e20e1149d55c41fae95682a732c5 100644
(file)
--- a/
src/libsystemd-dhcp/sd-dhcp-client.c
+++ b/
src/libsystemd-dhcp/sd-dhcp-client.c
@@
-760,7
+760,7
@@
static int client_parse_offer(uint8_t code, uint8_t len, const uint8_t *option,
break;
case DHCP_OPTION_DOMAIN_NAME_SERVER:
- if (len
>= 4
) {
+ if (len
&& !(len % 4)
) {
unsigned i;
lease->dns_size = len / 4;