diff options
author | David S. Miller <davem@davemloft.net> | 2017-07-21 05:38:43 +0300 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2017-07-21 05:38:43 +0300 |
commit | 7a68ada6ec7d88c68057d3a4c2a517eb94289976 (patch) | |
tree | 51cd586e74fc92bfbdf382fa1544a235d908b25c /net/ipv6 | |
parent | 760446f967678e14ee1b6464ee1bb8562f299fa6 (diff) | |
parent | 96080f697786e0a30006fcbcc5b53f350fcb3e9f (diff) | |
download | linux-7a68ada6ec7d88c68057d3a4c2a517eb94289976.tar.xz |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'net/ipv6')
-rw-r--r-- | net/ipv6/output_core.c | 8 | ||||
-rw-r--r-- | net/ipv6/syncookies.c | 1 |
2 files changed, 7 insertions, 2 deletions
diff --git a/net/ipv6/output_core.c b/net/ipv6/output_core.c index e9065b8d3af8..abb2c307fbe8 100644 --- a/net/ipv6/output_core.c +++ b/net/ipv6/output_core.c @@ -78,7 +78,7 @@ EXPORT_SYMBOL(ipv6_select_ident); int ip6_find_1stfragopt(struct sk_buff *skb, u8 **nexthdr) { - u16 offset = sizeof(struct ipv6hdr); + unsigned int offset = sizeof(struct ipv6hdr); unsigned int packet_len = skb_tail_pointer(skb) - skb_network_header(skb); int found_rhdr = 0; @@ -86,6 +86,7 @@ int ip6_find_1stfragopt(struct sk_buff *skb, u8 **nexthdr) while (offset <= packet_len) { struct ipv6_opt_hdr *exthdr; + unsigned int len; switch (**nexthdr) { @@ -111,7 +112,10 @@ int ip6_find_1stfragopt(struct sk_buff *skb, u8 **nexthdr) exthdr = (struct ipv6_opt_hdr *)(skb_network_header(skb) + offset); - offset += ipv6_optlen(exthdr); + len = ipv6_optlen(exthdr); + if (len + offset >= IPV6_MAXPLEN) + return -EINVAL; + offset += len; *nexthdr = &exthdr->nexthdr; } diff --git a/net/ipv6/syncookies.c b/net/ipv6/syncookies.c index 7b75b0620730..4e7817abc0b9 100644 --- a/net/ipv6/syncookies.c +++ b/net/ipv6/syncookies.c @@ -216,6 +216,7 @@ struct sock *cookie_v6_check(struct sock *sk, struct sk_buff *skb) treq->rcv_isn = ntohl(th->seq) - 1; treq->snt_isn = cookie; treq->ts_off = 0; + treq->txhash = net_tx_rndhash(); /* * We need to lookup the dst_entry to get the correct window size. |