diff options
| author | ae <ae@FreeBSD.org> | 2011-07-04 05:47:48 +0000 |
|---|---|---|
| committer | ae <ae@FreeBSD.org> | 2011-07-04 05:47:48 +0000 |
| commit | 766eac763608b17c9277e49469f5f329f4a16332 (patch) | |
| tree | 4beac8ce4791d4e490e6ea034cf1bcdc5bf9f0e6 | |
| parent | c74259338a3a1c2e0c9a2f8831667786a5281518 (diff) | |
| download | FreeBSD-src-766eac763608b17c9277e49469f5f329f4a16332.zip FreeBSD-src-766eac763608b17c9277e49469f5f329f4a16332.tar.gz | |
ARP code reuses mbuf from ARP request to make a reply, but it does not
reset rcvif to NULL. Since rcvif is not NULL, ipfw(4) supposes that ARP
replies were received on specified interface.
Reset rcvif to NULL for ARP replies to fix this issue.
PR: kern/131817
Reviewed by: glebius
MFC after: 1 month
| -rw-r--r-- | sys/netinet/if_ether.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/sys/netinet/if_ether.c b/sys/netinet/if_ether.c index 6a66c05..f91a9de 100644 --- a/sys/netinet/if_ether.c +++ b/sys/netinet/if_ether.c @@ -857,6 +857,7 @@ reply: ah->ar_pro = htons(ETHERTYPE_IP); /* let's be sure! */ m->m_len = sizeof(*ah) + (2 * ah->ar_pln) + (2 * ah->ar_hln); m->m_pkthdr.len = m->m_len; + m->m_pkthdr.rcvif = NULL; sa.sa_family = AF_ARP; sa.sa_len = 2; (*ifp->if_output)(ifp, m, &sa, NULL); |
