Date: Mon, 13 Mar 2017 18:01:01 +0000 (UTC) From: Ngie Cooper <ngie@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r315206 - head/contrib/bsnmp/snmpd Message-ID: <201703131801.v2DI11ue072031@repo.freebsd.org>
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Author: ngie Date: Mon Mar 13 18:01:01 2017 New Revision: 315206 URL: https://svnweb.freebsd.org/changeset/base/315206 Log: bsnmpd: fix segfault when trans_insert_port(..) is called with multiple out of order addresses Move `port->transport` initialization before the TAILQ_FOREACH(..) loop to ensure that the value is properly initialized before it's inserted into the TAILQ. MFC after: 1 week PR: 217760 Submitted by: eugen Sponsored by: Dell EMC Isilon Modified: head/contrib/bsnmp/snmpd/main.c Modified: head/contrib/bsnmp/snmpd/main.c ============================================================================== --- head/contrib/bsnmp/snmpd/main.c Mon Mar 13 17:58:08 2017 (r315205) +++ head/contrib/bsnmp/snmpd/main.c Mon Mar 13 18:01:01 2017 (r315206) @@ -765,13 +765,13 @@ trans_insert_port(struct transport *t, s { struct tport *p; + port->transport = t; TAILQ_FOREACH(p, &t->table, link) { if (asn_compare_oid(&p->index, &port->index) > 0) { TAILQ_INSERT_BEFORE(p, port, link); return; } } - port->transport = t; TAILQ_INSERT_TAIL(&t->table, port, link); }
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