diff options
Diffstat (limited to 'net/ndisc.c')
| -rw-r--r-- | net/ndisc.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/net/ndisc.c b/net/ndisc.c index 0b27779ce5..d1cec0601c 100644 --- a/net/ndisc.c +++ b/net/ndisc.c @@ -382,6 +382,8 @@ int process_ra(struct ip6_hdr *ip6, int len) unsigned char type = 0; struct icmp6_ra_prefix_info *prefix = NULL; + if (len > ETH_MAX_MTU) + return -EMSGSIZE; /* Ignore the packet if router lifetime is 0. */ if (!icmp->icmp6_rt_lifetime) return -EOPNOTSUPP; |