Author: glebius
Date: Wed Mar 21 08:43:38 2012
New Revision: 233272
URL: http://svn.freebsd.org/changeset/base/233272
Log:
in6_pcblookup_local() still can return a pcb with NULL
inp_socket. To avoid panic, do not dereference inp_socket,
but obtain reuse port option from inp_flags2, like this
is done after next call to in_pcblookup_local() a few lines
down below.
Submitted by: rwatson
Modified:
head/sys/netinet6/in6_pcb.c
Modified: head/sys/netinet6/in6_pcb.c
==============================================================================
--- head/sys/netinet6/in6_pcb.c Wed Mar 21 08:38:42 2012 (r233271)
+++ head/sys/netinet6/in6_pcb.c Wed Mar 21 08:43:38 2012 (r233272)
@@ -245,8 +245,8 @@ in6_pcbbind(register struct inpcb *inp,
if (tw == NULL ||
(reuseport & tw->tw_so_options) == 0)
return (EADDRINUSE);
- } else if (t && (reuseport & t->inp_socket->so_options)
- == 0) {
+ } else if (t && (reuseport == 0 ||
+ (t->inp_flags2 & INP_REUSEPORT) == 0)) {
return (EADDRINUSE);
}
#ifdef INET
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