Author: rrs
Date: Wed Jul 7 11:19:06 2010
New Revision: 209760
URL: http://svn.freebsd.org/changeset/base/209760
Log:
If a user calls sctp_sendx() with a NULL
sinfo we will crash. Instead we should provide
our own temp structure to use internally.
MFC after: 1 month
Modified:
head/lib/libc/net/sctp_sys_calls.c
Modified: head/lib/libc/net/sctp_sys_calls.c
==============================================================================
--- head/lib/libc/net/sctp_sys_calls.c Wed Jul 7 10:55:13 2010
(r209759)
+++ head/lib/libc/net/sctp_sys_calls.c Wed Jul 7 11:19:06 2010
(r209760)
@@ -724,6 +724,7 @@ sctp_sendx(int sd, const void *msg, size
struct sctp_sndrcvinfo *sinfo,
int flags)
{
+ struct sctp_sndrcvinfo __sinfo;
ssize_t ret;
int i, cnt, *aa, saved_errno;
char *buf;
@@ -790,6 +791,10 @@ sctp_sendx(int sd, const void *msg, size
return (ret);
}
continue_send:
+ if (sinfo == NULL) {
+ sinfo = &__sinfo;
+ memset(&__sinfo, 0, sizeof(__sinfo));
+ }
sinfo->sinfo_assoc_id = sctp_getassocid(sd, addrs);
if (sinfo->sinfo_assoc_id == 0) {
printf("Huh, can't get associd? TSNH!\n");
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