Date: Thu, 12 Jan 2017 00:50:38 +0000 (UTC) From: Hiren Panchasara <hiren@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org Subject: svn commit: r311955 - stable/11/sys/netinet Message-ID: <201701120050.v0C0ocU1061501@repo.freebsd.org>
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Author: hiren Date: Thu Jan 12 00:50:37 2017 New Revision: 311955 URL: https://svnweb.freebsd.org/changeset/base/311955 Log: MFC r311453 sysctl net.inet.tcp.hostcache.list in a jail can see connections from other jails and the host. This commit fixes it. PR: 200361 Modified: stable/11/sys/netinet/tcp_hostcache.c Directory Properties: stable/11/ (props changed) Modified: stable/11/sys/netinet/tcp_hostcache.c ============================================================================== --- stable/11/sys/netinet/tcp_hostcache.c Thu Jan 12 00:48:06 2017 (r311954) +++ stable/11/sys/netinet/tcp_hostcache.c Thu Jan 12 00:50:37 2017 (r311955) @@ -69,10 +69,12 @@ __FBSDID("$FreeBSD$"); #include <sys/param.h> #include <sys/systm.h> +#include <sys/jail.h> #include <sys/kernel.h> #include <sys/lock.h> #include <sys/mutex.h> #include <sys/malloc.h> +#include <sys/proc.h> #include <sys/sbuf.h> #include <sys/socket.h> #include <sys/socketvar.h> @@ -623,6 +625,9 @@ sysctl_tcp_hc_list(SYSCTL_HANDLER_ARGS) char ip6buf[INET6_ADDRSTRLEN]; #endif + if (jailed_without_vnet(curthread->td_ucred) != 0) + return (EPERM); + sbuf_new(&sb, NULL, linesize * (V_tcp_hostcache.cache_count + 1), SBUF_INCLUDENUL);
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