Date: Mon, 20 Apr 2009 23:23:31 +0000 (UTC) From: Robert Watson <rwatson@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r191342 - head/sys/net Message-ID: <200904202323.n3KNNVQp061186@svn.freebsd.org>
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Author: rwatson Date: Mon Apr 20 23:23:31 2009 New Revision: 191342 URL: http://svn.freebsd.org/changeset/base/191342 Log: Acquire address list lock before walking an interface's address list to identify possible jail addresses on it for IPv4 and IPv6. MFC after: 2 weeks Modified: head/sys/net/rtsock.c Modified: head/sys/net/rtsock.c ============================================================================== --- head/sys/net/rtsock.c Mon Apr 20 22:56:34 2009 (r191341) +++ head/sys/net/rtsock.c Mon Apr 20 23:23:31 2009 (r191342) @@ -356,6 +356,7 @@ rtm_get_jailed(struct rt_addrinfo *info, * Try to find an address on the given outgoing interface * that belongs to the jail. */ + IF_ADDR_LOCK(ifp); TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) { struct sockaddr *sa; sa = ifa->ifa_addr; @@ -367,6 +368,7 @@ rtm_get_jailed(struct rt_addrinfo *info, break; } } + IF_ADDR_UNLOCK(ifp); if (!found) { /* * As a last resort return the 'default' jail address. @@ -394,6 +396,7 @@ rtm_get_jailed(struct rt_addrinfo *info, * Try to find an address on the given outgoing interface * that belongs to the jail. */ + IF_ADDR_LOCK(ifp); TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) { struct sockaddr *sa; sa = ifa->ifa_addr; @@ -406,6 +409,7 @@ rtm_get_jailed(struct rt_addrinfo *info, break; } } + IF_ADDR_UNLOCK(ifp); if (!found) { /* * As a last resort return the 'default' jail address.
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