diff options
Diffstat (limited to 'net/ipv4/ping.c')
| -rw-r--r-- | net/ipv4/ping.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c index 7cf7d6e380c2..96b8e2b95731 100644 --- a/net/ipv4/ping.c +++ b/net/ipv4/ping.c @@ -657,6 +657,10 @@ int ping_common_sendmsg(int family, struct msghdr *msg, size_t len, if (len > 0xFFFF) return -EMSGSIZE; + /* Must have at least a full ICMP header. */ + if (len < icmph_len) + return -EINVAL; + /* * Check the flags. */ @@ -994,7 +998,7 @@ struct proto ping_prot = { .init = ping_init_sock, .close = ping_close, .connect = ip4_datagram_connect, - .disconnect = udp_disconnect, + .disconnect = __udp_disconnect, .setsockopt = ip_setsockopt, .getsockopt = ip_getsockopt, .sendmsg = ping_v4_sendmsg, |