Module Name: src
Committed By: roy
Date: Fri Sep 13 11:54:03 UTC 2019
Modified Files:
src/external/bsd/dhcpcd/dist/src: dhcp.c
Log Message:
Sync
To generate a diff of this commit:
cvs rdiff -u -r1.26 -r1.27 src/external/bsd/dhcpcd/dist/src/dhcp.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/external/bsd/dhcpcd/dist/src/dhcp.c
diff -u src/external/bsd/dhcpcd/dist/src/dhcp.c:1.26 src/external/bsd/dhcpcd/dist/src/dhcp.c:1.27
--- src/external/bsd/dhcpcd/dist/src/dhcp.c:1.26 Fri Sep 13 11:01:50 2019
+++ src/external/bsd/dhcpcd/dist/src/dhcp.c Fri Sep 13 11:54:03 2019
@@ -3264,7 +3264,13 @@ valid_udp_packet(void *packet, size_t pl
if (from != NULL)
from->s_addr = ip->ip_src.s_addr;
+ /* Check we have the IP header */
ip_hlen = (size_t)ip->ip_hl * 4;
+ if (ip_hlen > plen) {
+ errno = ENOBUFS;
+ return -1;
+ }
+
if (in_cksum(ip, ip_hlen, NULL) != 0) {
errno = EINVAL;
return -1;
