[DCCP]: Sequence number wrap-around when sending reset This replaces normal addition with mod-48 addition so that sequence number wraparound is respected. Signed-off-by: Gerrit Renker <gerrit@xxxxxxxxxxxxxx> --- net/dccp/ipv4.c | 2 +- net/dccp/ipv6.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) --- a/net/dccp/ipv4.c +++ b/net/dccp/ipv4.c @@ -554,7 +554,7 @@ static void dccp_v4_ctl_send_reset(struc /* See "8.3.1. Abnormal Termination" in RFC 4340 */ if (DCCP_SKB_CB(rxskb)->dccpd_ack_seq != DCCP_PKT_WITHOUT_ACK_SEQ) - dccp_set_seqno(&seqno, DCCP_SKB_CB(rxskb)->dccpd_ack_seq + 1); + seqno = ADD48(DCCP_SKB_CB(rxskb)->dccpd_ack_seq, 1); dccp_hdr_set_seq(dh, seqno); dccp_hdr_set_ack(dccp_hdr_ack_bits(skb), DCCP_SKB_CB(rxskb)->dccpd_seq); --- a/net/dccp/ipv6.c +++ b/net/dccp/ipv6.c @@ -336,7 +336,7 @@ static void dccp_v6_ctl_send_reset(struc /* See "8.3.1. Abnormal Termination" in RFC 4340 */ if (DCCP_SKB_CB(rxskb)->dccpd_ack_seq != DCCP_PKT_WITHOUT_ACK_SEQ) - dccp_set_seqno(&seqno, DCCP_SKB_CB(rxskb)->dccpd_ack_seq + 1); + seqno = ADD48(DCCP_SKB_CB(rxskb)->dccpd_ack_seq, 1); dccp_hdr_set_seq(dh, seqno); dccp_hdr_set_ack(dccp_hdr_ack_bits(skb), DCCP_SKB_CB(rxskb)->dccpd_seq); - To unsubscribe from this list: send the line "unsubscribe dccp" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html