Date: Wed, 7 Jul 2010 11:19:06 +0000 (UTC) From: Randall Stewart <rrs@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r209760 - head/lib/libc/net Message-ID: <201007071119.o67BJ6Db073967@svn.freebsd.org>
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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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