From patchwork Wed Feb 7 13:48:28 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Florian Westphal X-Patchwork-Id: 870391 X-Patchwork-Delegate: pablo@netfilter.org Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=netfilter-devel-owner@vger.kernel.org; receiver=) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3zc2l63nwGz9ryk for ; Thu, 8 Feb 2018 00:50:10 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753836AbeBGNuK (ORCPT ); Wed, 7 Feb 2018 08:50:10 -0500 Received: from Chamillionaire.breakpoint.cc ([146.0.238.67]:38838 "EHLO Chamillionaire.breakpoint.cc" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754028AbeBGNuJ (ORCPT ); Wed, 7 Feb 2018 08:50:09 -0500 Received: from fw by Chamillionaire.breakpoint.cc with local (Exim 4.84_2) (envelope-from ) id 1ejQ40-0003kL-6B; Wed, 07 Feb 2018 14:47:04 +0100 From: Florian Westphal To: Cc: Florian Westphal Subject: [PATCH nf 7/7] netfilter: x_tables: use pr ratelimiting in all remaining spots Date: Wed, 7 Feb 2018 14:48:28 +0100 Message-Id: <20180207134828.18691-8-fw@strlen.de> X-Mailer: git-send-email 2.13.6 In-Reply-To: <20180207134828.18691-1-fw@strlen.de> References: <20180207134828.18691-1-fw@strlen.de> Sender: netfilter-devel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netfilter-devel@vger.kernel.org Signed-off-by: Florian Westphal --- net/bridge/netfilter/ebt_among.c | 10 ++++---- net/bridge/netfilter/ebt_limit.c | 4 ++-- net/ipv4/netfilter/ipt_ECN.c | 2 +- net/ipv4/netfilter/ipt_REJECT.c | 4 ++-- net/ipv6/netfilter/ip6t_REJECT.c | 4 ++-- net/ipv6/netfilter/ip6t_srh.c | 6 +++-- net/netfilter/xt_AUDIT.c | 4 ++-- net/netfilter/xt_CHECKSUM.c | 5 ++-- net/netfilter/xt_CONNSECMARK.c | 6 ++--- net/netfilter/xt_DSCP.c | 2 +- net/netfilter/xt_LED.c | 2 +- net/netfilter/xt_NFQUEUE.c | 6 ++--- net/netfilter/xt_SECMARK.c | 12 ++++++---- net/netfilter/xt_TCPMSS.c | 10 ++++---- net/netfilter/xt_TPROXY.c | 6 ++--- net/netfilter/xt_cgroup.c | 8 ++++--- net/netfilter/xt_cluster.c | 8 +++---- net/netfilter/xt_connbytes.c | 4 ++-- net/netfilter/xt_connlabel.c | 4 ++-- net/netfilter/xt_connmark.c | 8 +++---- net/netfilter/xt_conntrack.c | 4 ++-- net/netfilter/xt_dscp.c | 2 +- net/netfilter/xt_ecn.c | 4 ++-- net/netfilter/xt_hashlimit.c | 24 ++++++++++--------- net/netfilter/xt_helper.c | 4 ++-- net/netfilter/xt_l2tp.c | 20 +++++++++------- net/netfilter/xt_limit.c | 4 ++-- net/netfilter/xt_nat.c | 5 ++-- net/netfilter/xt_nfacct.c | 6 +++-- net/netfilter/xt_physdev.c | 4 +--- net/netfilter/xt_recent.c | 10 ++++---- net/netfilter/xt_set.c | 50 ++++++++++++++++++++-------------------- net/netfilter/xt_state.c | 4 ++-- net/netfilter/xt_time.c | 3 +-- 34 files changed, 132 insertions(+), 127 deletions(-) diff --git a/net/bridge/netfilter/ebt_among.c b/net/bridge/netfilter/ebt_among.c index 279527f8b1fe..12d850a3ea68 100644 --- a/net/bridge/netfilter/ebt_among.c +++ b/net/bridge/netfilter/ebt_among.c @@ -187,17 +187,17 @@ static int ebt_among_mt_check(const struct xt_mtchk_param *par) expected_length += ebt_mac_wormhash_size(wh_src); if (em->match_size != EBT_ALIGN(expected_length)) { - pr_info("wrong size: %d against expected %d, rounded to %zd\n", - em->match_size, expected_length, - EBT_ALIGN(expected_length)); + pr_info_ratelimited("wrong size: %d against expected %d, rounded to %zd\n", + em->match_size, expected_length, + EBT_ALIGN(expected_length)); return -EINVAL; } if (wh_dst && (err = ebt_mac_wormhash_check_integrity(wh_dst))) { - pr_info("dst integrity fail: %x\n", -err); + pr_info_ratelimited("dst integrity fail: %x\n", -err); return -EINVAL; } if (wh_src && (err = ebt_mac_wormhash_check_integrity(wh_src))) { - pr_info("src integrity fail: %x\n", -err); + pr_info_ratelimited("src integrity fail: %x\n", -err); return -EINVAL; } return 0; diff --git a/net/bridge/netfilter/ebt_limit.c b/net/bridge/netfilter/ebt_limit.c index 61a9f1be1263..165b9d678cf1 100644 --- a/net/bridge/netfilter/ebt_limit.c +++ b/net/bridge/netfilter/ebt_limit.c @@ -72,8 +72,8 @@ static int ebt_limit_mt_check(const struct xt_mtchk_param *par) /* Check for overflow. */ if (info->burst == 0 || user2credits(info->avg * info->burst) < user2credits(info->avg)) { - pr_info("overflow, try lower: %u/%u\n", - info->avg, info->burst); + pr_info_ratelimited("overflow, try lower: %u/%u\n", + info->avg, info->burst); return -EINVAL; } diff --git a/net/ipv4/netfilter/ipt_ECN.c b/net/ipv4/netfilter/ipt_ECN.c index 39ff167e6d86..aaaf9a81fbc9 100644 --- a/net/ipv4/netfilter/ipt_ECN.c +++ b/net/ipv4/netfilter/ipt_ECN.c @@ -106,7 +106,7 @@ static int ecn_tg_check(const struct xt_tgchk_param *par) if ((einfo->operation & (IPT_ECN_OP_SET_ECE|IPT_ECN_OP_SET_CWR)) && (e->ip.proto != IPPROTO_TCP || (e->ip.invflags & XT_INV_PROTO))) { - pr_info("cannot use TCP operations on a non-tcp rule\n"); + pr_info_ratelimited("cannot use operation on non-tcp rule\n"); return -EINVAL; } return 0; diff --git a/net/ipv4/netfilter/ipt_REJECT.c b/net/ipv4/netfilter/ipt_REJECT.c index 8bd0d7b26632..e8bed3390e58 100644 --- a/net/ipv4/netfilter/ipt_REJECT.c +++ b/net/ipv4/netfilter/ipt_REJECT.c @@ -74,13 +74,13 @@ static int reject_tg_check(const struct xt_tgchk_param *par) const struct ipt_entry *e = par->entryinfo; if (rejinfo->with == IPT_ICMP_ECHOREPLY) { - pr_info("ECHOREPLY no longer supported.\n"); + pr_info_ratelimited("ECHOREPLY no longer supported.\n"); return -EINVAL; } else if (rejinfo->with == IPT_TCP_RESET) { /* Must specify that it's a TCP packet */ if (e->ip.proto != IPPROTO_TCP || (e->ip.invflags & XT_INV_PROTO)) { - pr_info("TCP_RESET invalid for non-tcp\n"); + pr_info_ratelimited("TCP_RESET invalid for non-tcp\n"); return -EINVAL; } } diff --git a/net/ipv6/netfilter/ip6t_REJECT.c b/net/ipv6/netfilter/ip6t_REJECT.c index fa51a205918d..38dea8ff680f 100644 --- a/net/ipv6/netfilter/ip6t_REJECT.c +++ b/net/ipv6/netfilter/ip6t_REJECT.c @@ -85,14 +85,14 @@ static int reject_tg6_check(const struct xt_tgchk_param *par) const struct ip6t_entry *e = par->entryinfo; if (rejinfo->with == IP6T_ICMP6_ECHOREPLY) { - pr_info("ECHOREPLY is not supported.\n"); + pr_info_ratelimited("ECHOREPLY is not supported\n"); return -EINVAL; } else if (rejinfo->with == IP6T_TCP_RESET) { /* Must specify that it's a TCP packet */ if (!(e->ipv6.flags & IP6T_F_PROTO) || e->ipv6.proto != IPPROTO_TCP || (e->ipv6.invflags & XT_INV_PROTO)) { - pr_info("TCP_RESET illegal for non-tcp\n"); + pr_info_ratelimited("TCP_RESET illegal for non-tcp\n"); return -EINVAL; } } diff --git a/net/ipv6/netfilter/ip6t_srh.c b/net/ipv6/netfilter/ip6t_srh.c index 9642164107ce..580dffa68e60 100644 --- a/net/ipv6/netfilter/ip6t_srh.c +++ b/net/ipv6/netfilter/ip6t_srh.c @@ -122,12 +122,14 @@ static int srh_mt6_check(const struct xt_mtchk_param *par) const struct ip6t_srh *srhinfo = par->matchinfo; if (srhinfo->mt_flags & ~IP6T_SRH_MASK) { - pr_err("unknown srh match flags %X\n", srhinfo->mt_flags); + pr_err_ratelimited("unknown srh match flags %X\n", + srhinfo->mt_flags); return -EINVAL; } if (srhinfo->mt_invflags & ~IP6T_SRH_INV_MASK) { - pr_err("unknown srh invflags %X\n", srhinfo->mt_invflags); + pr_err_ratelimited("unknown srh invflags %X\n", + srhinfo->mt_invflags); return -EINVAL; } diff --git a/net/netfilter/xt_AUDIT.c b/net/netfilter/xt_AUDIT.c index c502419d6306..f368ee6741db 100644 --- a/net/netfilter/xt_AUDIT.c +++ b/net/netfilter/xt_AUDIT.c @@ -120,8 +120,8 @@ static int audit_tg_check(const struct xt_tgchk_param *par) const struct xt_audit_info *info = par->targinfo; if (info->type > XT_AUDIT_TYPE_MAX) { - pr_info("Audit type out of range (valid range: 0..%hhu)\n", - XT_AUDIT_TYPE_MAX); + pr_info_ratelimited("Audit type out of range (valid range: 0..%hhu)\n", + XT_AUDIT_TYPE_MAX); return -ERANGE; } diff --git a/net/netfilter/xt_CHECKSUM.c b/net/netfilter/xt_CHECKSUM.c index 0f642ef8cd26..a6b00f2f6f49 100644 --- a/net/netfilter/xt_CHECKSUM.c +++ b/net/netfilter/xt_CHECKSUM.c @@ -36,11 +36,12 @@ static int checksum_tg_check(const struct xt_tgchk_param *par) const struct xt_CHECKSUM_info *einfo = par->targinfo; if (einfo->operation & ~XT_CHECKSUM_OP_FILL) { - pr_info("unsupported CHECKSUM operation %x\n", einfo->operation); + pr_info_ratelimited("unsupported CHECKSUM operation %x\n", + einfo->operation); return -EINVAL; } if (!einfo->operation) { - pr_info("no CHECKSUM operation enabled\n"); + pr_info_ratelimited("no CHECKSUM operation enabled\n"); return -EINVAL; } return 0; diff --git a/net/netfilter/xt_CONNSECMARK.c b/net/netfilter/xt_CONNSECMARK.c index 6f30cd399e42..f3f1caac949b 100644 --- a/net/netfilter/xt_CONNSECMARK.c +++ b/net/netfilter/xt_CONNSECMARK.c @@ -102,14 +102,14 @@ static int connsecmark_tg_check(const struct xt_tgchk_param *par) break; default: - pr_info("invalid mode: %hu\n", info->mode); + pr_info_ratelimited("invalid mode: %hu\n", info->mode); return -EINVAL; } ret = nf_ct_netns_get(par->net, par->family); if (ret < 0) - pr_info("cannot load conntrack support for proto=%u\n", - par->family); + pr_info_ratelimited("cannot load conntrack support for proto=%u\n", + par->family); return ret; } diff --git a/net/netfilter/xt_DSCP.c b/net/netfilter/xt_DSCP.c index 3f83d38c4e5b..503a84401788 100644 --- a/net/netfilter/xt_DSCP.c +++ b/net/netfilter/xt_DSCP.c @@ -67,7 +67,7 @@ static int dscp_tg_check(const struct xt_tgchk_param *par) const struct xt_DSCP_info *info = par->targinfo; if (info->dscp > XT_DSCP_MAX) { - pr_info("dscp %x out of range\n", info->dscp); + pr_info_ratelimited("dscp %x out of range\n", info->dscp); return -EDOM; } return 0; diff --git a/net/netfilter/xt_LED.c b/net/netfilter/xt_LED.c index ece311c11fdc..5eeb3cfdae22 100644 --- a/net/netfilter/xt_LED.c +++ b/net/netfilter/xt_LED.c @@ -136,7 +136,7 @@ static int led_tg_check(const struct xt_tgchk_param *par) err = led_trigger_register(&ledinternal->netfilter_led_trigger); if (err) { - pr_err("Trigger name is already in use.\n"); + pr_err_ratelimited("Trigger name is already in use.\n"); goto exit_alloc; } diff --git a/net/netfilter/xt_NFQUEUE.c b/net/netfilter/xt_NFQUEUE.c index a360b99a958a..9fac4710f7cf 100644 --- a/net/netfilter/xt_NFQUEUE.c +++ b/net/netfilter/xt_NFQUEUE.c @@ -67,13 +67,13 @@ static int nfqueue_tg_check(const struct xt_tgchk_param *par) init_hashrandom(&jhash_initval); if (info->queues_total == 0) { - pr_err("NFQUEUE: number of total queues is 0\n"); + pr_err_ratelimited("NFQUEUE: number of total queues is 0\n"); return -EINVAL; } maxid = info->queues_total - 1 + info->queuenum; if (maxid > 0xffff) { - pr_err("NFQUEUE: number of queues (%u) out of range (got %u)\n", - info->queues_total, maxid); + pr_err_ratelimited("NFQUEUE: number of queues (%u) out of range (got %u)\n", + info->queues_total, maxid); return -ERANGE; } if (par->target->revision == 2 && info->flags > 1) diff --git a/net/netfilter/xt_SECMARK.c b/net/netfilter/xt_SECMARK.c index 1f2a0627478a..852004ef33c5 100644 --- a/net/netfilter/xt_SECMARK.c +++ b/net/netfilter/xt_SECMARK.c @@ -60,18 +60,20 @@ static int checkentry_lsm(struct xt_secmark_target_info *info) &info->secid); if (err) { if (err == -EINVAL) - pr_info("invalid security context \'%s\'\n", info->secctx); + pr_info_ratelimited("invalid security context \'%s\'\n", + info->secctx); return err; } if (!info->secid) { - pr_info("unable to map security context \'%s\'\n", info->secctx); + pr_info_ratelimited("unable to map security context \'%s\'\n", + info->secctx); return -ENOENT; } err = security_secmark_relabel_packet(info->secid); if (err) { - pr_info("unable to obtain relabeling permission\n"); + pr_info_ratelimited("unable to obtain relabeling permission\n"); return err; } @@ -92,8 +94,8 @@ static int secmark_tg_check(const struct xt_tgchk_param *par) } if (mode && mode != info->mode) { - pr_info("mode already set to %hu cannot mix with " - "rules for mode %hu\n", mode, info->mode); + pr_info_ratelimited("mode already set to %hu cannot mix with rules for mode %hu\n", + mode, info->mode); return -EINVAL; } diff --git a/net/netfilter/xt_TCPMSS.c b/net/netfilter/xt_TCPMSS.c index 99bb8e410f22..98efb202f8b4 100644 --- a/net/netfilter/xt_TCPMSS.c +++ b/net/netfilter/xt_TCPMSS.c @@ -273,8 +273,7 @@ static int tcpmss_tg4_check(const struct xt_tgchk_param *par) (par->hook_mask & ~((1 << NF_INET_FORWARD) | (1 << NF_INET_LOCAL_OUT) | (1 << NF_INET_POST_ROUTING))) != 0) { - pr_info("path-MTU clamping only supported in " - "FORWARD, OUTPUT and POSTROUTING hooks\n"); + pr_info_ratelimited("path-MTU clamping only supported in FORWARD, OUTPUT and POSTROUTING hooks\n"); return -EINVAL; } if (par->nft_compat) @@ -283,7 +282,7 @@ static int tcpmss_tg4_check(const struct xt_tgchk_param *par) xt_ematch_foreach(ematch, e) if (find_syn_match(ematch)) return 0; - pr_info("Only works on TCP SYN packets\n"); + pr_info_ratelimited("Only works on TCP SYN packets\n"); return -EINVAL; } @@ -298,8 +297,7 @@ static int tcpmss_tg6_check(const struct xt_tgchk_param *par) (par->hook_mask & ~((1 << NF_INET_FORWARD) | (1 << NF_INET_LOCAL_OUT) | (1 << NF_INET_POST_ROUTING))) != 0) { - pr_info("path-MTU clamping only supported in " - "FORWARD, OUTPUT and POSTROUTING hooks\n"); + pr_info_ratelimited("path-MTU clamping only supported in FORWARD, OUTPUT and POSTROUTING hooks\n"); return -EINVAL; } if (par->nft_compat) @@ -308,7 +306,7 @@ static int tcpmss_tg6_check(const struct xt_tgchk_param *par) xt_ematch_foreach(ematch, e) if (find_syn_match(ematch)) return 0; - pr_info("Only works on TCP SYN packets\n"); + pr_info_ratelimited("Only works on TCP SYN packets\n"); return -EINVAL; } #endif diff --git a/net/netfilter/xt_TPROXY.c b/net/netfilter/xt_TPROXY.c index 17d7705e3bd4..8c89323c06af 100644 --- a/net/netfilter/xt_TPROXY.c +++ b/net/netfilter/xt_TPROXY.c @@ -540,8 +540,7 @@ static int tproxy_tg6_check(const struct xt_tgchk_param *par) !(i->invflags & IP6T_INV_PROTO)) return 0; - pr_info("Can be used only in combination with " - "either -p tcp or -p udp\n"); + pr_info_ratelimited("Can be used only with -p tcp or -p udp\n"); return -EINVAL; } #endif @@ -559,8 +558,7 @@ static int tproxy_tg4_check(const struct xt_tgchk_param *par) && !(i->invflags & IPT_INV_PROTO)) return 0; - pr_info("Can be used only in combination with " - "either -p tcp or -p udp\n"); + pr_info_ratelimited("Can be used only with -p tcp or -p udp\n"); return -EINVAL; } diff --git a/net/netfilter/xt_cgroup.c b/net/netfilter/xt_cgroup.c index 556530db7dbb..6f8c4077a07f 100644 --- a/net/netfilter/xt_cgroup.c +++ b/net/netfilter/xt_cgroup.c @@ -12,6 +12,8 @@ * published by the Free Software Foundation. */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include #include #include @@ -46,7 +48,7 @@ static int cgroup_mt_check_v1(const struct xt_mtchk_param *par) return -EINVAL; if (info->has_path && info->has_classid) { - pr_info("xt_cgroup: both path and classid specified\n"); + pr_info_ratelimited("path and classid specified\n"); return -EINVAL; } @@ -54,8 +56,8 @@ static int cgroup_mt_check_v1(const struct xt_mtchk_param *par) if (info->has_path) { cgrp = cgroup_get_from_path(info->path); if (IS_ERR(cgrp)) { - pr_info("xt_cgroup: invalid path, errno=%ld\n", - PTR_ERR(cgrp)); + pr_info_ratelimited("invalid path, errno=%ld\n", + PTR_ERR(cgrp)); return -EINVAL; } info->priv = cgrp; diff --git a/net/netfilter/xt_cluster.c b/net/netfilter/xt_cluster.c index 57ef175dfbfa..0068688995c8 100644 --- a/net/netfilter/xt_cluster.c +++ b/net/netfilter/xt_cluster.c @@ -135,14 +135,12 @@ static int xt_cluster_mt_checkentry(const struct xt_mtchk_param *par) struct xt_cluster_match_info *info = par->matchinfo; if (info->total_nodes > XT_CLUSTER_NODES_MAX) { - pr_info("you have exceeded the maximum " - "number of cluster nodes (%u > %u)\n", - info->total_nodes, XT_CLUSTER_NODES_MAX); + pr_info_ratelimited("you have exceeded the maximum number of cluster nodes (%u > %u)\n", + info->total_nodes, XT_CLUSTER_NODES_MAX); return -EINVAL; } if (info->node_mask >= (1ULL << info->total_nodes)) { - pr_info("this node mask cannot be " - "higher than the total number of nodes\n"); + pr_info_ratelimited("node mask cannot exceed total number of nodes\n"); return -EDOM; } return 0; diff --git a/net/netfilter/xt_connbytes.c b/net/netfilter/xt_connbytes.c index cad0b7b5eb35..93cb018c3055 100644 --- a/net/netfilter/xt_connbytes.c +++ b/net/netfilter/xt_connbytes.c @@ -112,8 +112,8 @@ static int connbytes_mt_check(const struct xt_mtchk_param *par) ret = nf_ct_netns_get(par->net, par->family); if (ret < 0) - pr_info("cannot load conntrack support for proto=%u\n", - par->family); + pr_info_ratelimited("cannot load conntrack support for proto=%u\n", + par->family); /* * This filter cannot function correctly unless connection tracking diff --git a/net/netfilter/xt_connlabel.c b/net/netfilter/xt_connlabel.c index cf3031e4ff61..78954047a6de 100644 --- a/net/netfilter/xt_connlabel.c +++ b/net/netfilter/xt_connlabel.c @@ -63,8 +63,8 @@ static int connlabel_mt_check(const struct xt_mtchk_param *par) ret = nf_ct_netns_get(par->net, par->family); if (ret < 0) { - pr_info("cannot load conntrack support for proto=%u\n", - par->family); + pr_info_ratelimited("cannot load conntrack support for proto=%u\n", + par->family); return ret; } diff --git a/net/netfilter/xt_connmark.c b/net/netfilter/xt_connmark.c index ec377cc6a369..809639ce6f5a 100644 --- a/net/netfilter/xt_connmark.c +++ b/net/netfilter/xt_connmark.c @@ -79,8 +79,8 @@ static int connmark_tg_check(const struct xt_tgchk_param *par) ret = nf_ct_netns_get(par->net, par->family); if (ret < 0) - pr_info("cannot load conntrack support for proto=%u\n", - par->family); + pr_info_ratelimited("cannot load conntrack support for proto=%u\n", + par->family); return ret; } @@ -109,8 +109,8 @@ static int connmark_mt_check(const struct xt_mtchk_param *par) ret = nf_ct_netns_get(par->net, par->family); if (ret < 0) - pr_info("cannot load conntrack support for proto=%u\n", - par->family); + pr_info_ratelimited("cannot load conntrack support for proto=%u\n", + par->family); return ret; } diff --git a/net/netfilter/xt_conntrack.c b/net/netfilter/xt_conntrack.c index 39cf1d019240..df80fe7d391c 100644 --- a/net/netfilter/xt_conntrack.c +++ b/net/netfilter/xt_conntrack.c @@ -272,8 +272,8 @@ static int conntrack_mt_check(const struct xt_mtchk_param *par) ret = nf_ct_netns_get(par->net, par->family); if (ret < 0) - pr_info("cannot load conntrack support for proto=%u\n", - par->family); + pr_info_ratelimited("cannot load conntrack support for proto=%u\n", + par->family); return ret; } diff --git a/net/netfilter/xt_dscp.c b/net/netfilter/xt_dscp.c index 236ac8008909..3d9a49516316 100644 --- a/net/netfilter/xt_dscp.c +++ b/net/netfilter/xt_dscp.c @@ -47,7 +47,7 @@ static int dscp_mt_check(const struct xt_mtchk_param *par) const struct xt_dscp_info *info = par->matchinfo; if (info->dscp > XT_DSCP_MAX) { - pr_info("dscp %x out of range\n", info->dscp); + pr_info_ratelimited("dscp %x out of range\n", info->dscp); return -EDOM; } diff --git a/net/netfilter/xt_ecn.c b/net/netfilter/xt_ecn.c index 3c831a8efebc..c7ad4afa5fb8 100644 --- a/net/netfilter/xt_ecn.c +++ b/net/netfilter/xt_ecn.c @@ -97,7 +97,7 @@ static int ecn_mt_check4(const struct xt_mtchk_param *par) if (info->operation & (XT_ECN_OP_MATCH_ECE | XT_ECN_OP_MATCH_CWR) && (ip->proto != IPPROTO_TCP || ip->invflags & IPT_INV_PROTO)) { - pr_info("cannot match TCP bits in rule for non-tcp packets\n"); + pr_info_ratelimited("cannot match TCP bits for non-tcp packets\n"); return -EINVAL; } @@ -139,7 +139,7 @@ static int ecn_mt_check6(const struct xt_mtchk_param *par) if (info->operation & (XT_ECN_OP_MATCH_ECE | XT_ECN_OP_MATCH_CWR) && (ip->proto != IPPROTO_TCP || ip->invflags & IP6T_INV_PROTO)) { - pr_info("cannot match TCP bits in rule for non-tcp packets\n"); + pr_info_ratelimited("cannot match TCP bits for non-tcp packets\n"); return -EINVAL; } diff --git a/net/netfilter/xt_hashlimit.c b/net/netfilter/xt_hashlimit.c index ca6847403ca2..9d8355920965 100644 --- a/net/netfilter/xt_hashlimit.c +++ b/net/netfilter/xt_hashlimit.c @@ -523,7 +523,8 @@ static u64 user2rate(u64 user) if (user != 0) { return div64_u64(XT_HASHLIMIT_SCALE_v2, user); } else { - pr_warn("invalid rate from userspace: %llu\n", user); + pr_warn_ratelimited("invalid rate from userspace: %llu\n", + user); return 0; } } @@ -865,33 +866,34 @@ static int hashlimit_mt_check_common(const struct xt_mtchk_param *par, } if (cfg->mode & ~XT_HASHLIMIT_ALL) { - pr_info("Unknown mode mask %X, kernel too old?\n", - cfg->mode); + pr_info_ratelimited("Unknown mode mask %X, kernel too old?\n", + cfg->mode); return -EINVAL; } /* Check for overflow. */ if (revision >= 3 && cfg->mode & XT_HASHLIMIT_RATE_MATCH) { if (cfg->avg == 0 || cfg->avg > U32_MAX) { - pr_info("hashlimit invalid rate\n"); + pr_info_ratelimited("invalid rate\n"); return -ERANGE; } if (cfg->interval == 0) { - pr_info("hashlimit invalid interval\n"); + pr_info_ratelimited("invalid interval\n"); return -EINVAL; } } else if (cfg->mode & XT_HASHLIMIT_BYTES) { if (user2credits_byte(cfg->avg) == 0) { - pr_info("overflow, rate too high: %llu\n", cfg->avg); + pr_info_ratelimited("overflow, rate too high: %llu\n", + cfg->avg); return -EINVAL; } } else if (cfg->burst == 0 || - user2credits(cfg->avg * cfg->burst, revision) < - user2credits(cfg->avg, revision)) { - pr_info("overflow, try lower: %llu/%llu\n", - cfg->avg, cfg->burst); - return -ERANGE; + user2credits(cfg->avg * cfg->burst, revision) < + user2credits(cfg->avg, revision)) { + pr_info_ratelimited("overflow, try lower: %llu/%llu\n", + cfg->avg, cfg->burst); + return -ERANGE; } mutex_lock(&hashlimit_mutex); diff --git a/net/netfilter/xt_helper.c b/net/netfilter/xt_helper.c index 38a78151c0e9..fd077aeaaed9 100644 --- a/net/netfilter/xt_helper.c +++ b/net/netfilter/xt_helper.c @@ -61,8 +61,8 @@ static int helper_mt_check(const struct xt_mtchk_param *par) ret = nf_ct_netns_get(par->net, par->family); if (ret < 0) { - pr_info("cannot load conntrack support for proto=%u\n", - par->family); + pr_info_ratelimited("cannot load conntrack support for proto=%u\n", + par->family); return ret; } info->name[sizeof(info->name) - 1] = '\0'; diff --git a/net/netfilter/xt_l2tp.c b/net/netfilter/xt_l2tp.c index 54ac58b309e5..8fcd20b32012 100644 --- a/net/netfilter/xt_l2tp.c +++ b/net/netfilter/xt_l2tp.c @@ -225,7 +225,8 @@ static int l2tp_mt_check(const struct xt_mtchk_param *par) (!(info->flags & XT_L2TP_SID)) && ((!(info->flags & XT_L2TP_TYPE)) || (info->type != XT_L2TP_TYPE_CONTROL))) { - pr_info("invalid flags combination: %x\n", info->flags); + pr_info_ratelimited("invalid flags combination: %x\n", + info->flags); return -EINVAL; } @@ -234,19 +235,22 @@ static int l2tp_mt_check(const struct xt_mtchk_param *par) */ if (info->flags & XT_L2TP_VERSION) { if ((info->version < 2) || (info->version > 3)) { - pr_info("wrong L2TP version: %u\n", info->version); + pr_info_ratelimited("wrong L2TP version: %u\n", + info->version); return -EINVAL; } if (info->version == 2) { if ((info->flags & XT_L2TP_TID) && (info->tid > 0xffff)) { - pr_info("v2 tid > 0xffff: %u\n", info->tid); + pr_info_ratelimited("v2 tid > 0xffff: %u\n", + info->tid); return -EINVAL; } if ((info->flags & XT_L2TP_SID) && (info->sid > 0xffff)) { - pr_info("v2 sid > 0xffff: %u\n", info->sid); + pr_info_ratelimited("v2 sid > 0xffff: %u\n", + info->sid); return -EINVAL; } } @@ -268,13 +272,13 @@ static int l2tp_mt_check4(const struct xt_mtchk_param *par) if ((ip->proto != IPPROTO_UDP) && (ip->proto != IPPROTO_L2TP)) { - pr_info("missing protocol rule (udp|l2tpip)\n"); + pr_info_ratelimited("missing protocol rule (udp|l2tpip)\n"); return -EINVAL; } if ((ip->proto == IPPROTO_L2TP) && (info->version == 2)) { - pr_info("v2 doesn't support IP mode\n"); + pr_info_ratelimited("v2 doesn't support IP mode\n"); return -EINVAL; } @@ -295,13 +299,13 @@ static int l2tp_mt_check6(const struct xt_mtchk_param *par) if ((ip->proto != IPPROTO_UDP) && (ip->proto != IPPROTO_L2TP)) { - pr_info("missing protocol rule (udp|l2tpip)\n"); + pr_info_ratelimited("missing protocol rule (udp|l2tpip)\n"); return -EINVAL; } if ((ip->proto == IPPROTO_L2TP) && (info->version == 2)) { - pr_info("v2 doesn't support IP mode\n"); + pr_info_ratelimited("v2 doesn't support IP mode\n"); return -EINVAL; } diff --git a/net/netfilter/xt_limit.c b/net/netfilter/xt_limit.c index 61403b77361c..55d18cd67635 100644 --- a/net/netfilter/xt_limit.c +++ b/net/netfilter/xt_limit.c @@ -106,8 +106,8 @@ static int limit_mt_check(const struct xt_mtchk_param *par) /* Check for overflow. */ if (r->burst == 0 || user2credits(r->avg * r->burst) < user2credits(r->avg)) { - pr_info("Overflow, try lower: %u/%u\n", - r->avg, r->burst); + pr_info_ratelimited("Overflow, try lower: %u/%u\n", + r->avg, r->burst); return -ERANGE; } diff --git a/net/netfilter/xt_nat.c b/net/netfilter/xt_nat.c index 0fd14d1eb09d..bdb689cdc829 100644 --- a/net/netfilter/xt_nat.c +++ b/net/netfilter/xt_nat.c @@ -8,6 +8,8 @@ * published by the Free Software Foundation. */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include #include #include @@ -19,8 +21,7 @@ static int xt_nat_checkentry_v0(const struct xt_tgchk_param *par) const struct nf_nat_ipv4_multi_range_compat *mr = par->targinfo; if (mr->rangesize != 1) { - pr_info("%s: multiple ranges no longer supported\n", - par->target->name); + pr_info_ratelimited("multiple ranges no longer supported\n"); return -EINVAL; } return nf_ct_netns_get(par->net, par->family); diff --git a/net/netfilter/xt_nfacct.c b/net/netfilter/xt_nfacct.c index 6f92d25590a8..c8674deed4eb 100644 --- a/net/netfilter/xt_nfacct.c +++ b/net/netfilter/xt_nfacct.c @@ -6,6 +6,8 @@ * it under the terms of the GNU General Public License version 2 (or any * later at your option) as published by the Free Software Foundation. */ +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + #include #include @@ -39,8 +41,8 @@ nfacct_mt_checkentry(const struct xt_mtchk_param *par) nfacct = nfnl_acct_find_get(par->net, info->name); if (nfacct == NULL) { - pr_info("xt_nfacct: accounting object with name `%s' " - "does not exists\n", info->name); + pr_info_ratelimited("accounting object `%s' does not exists\n", + info->name); return -ENOENT; } info->nfacct = nfacct; diff --git a/net/netfilter/xt_physdev.c b/net/netfilter/xt_physdev.c index bb33598e4530..9d6d67b953ac 100644 --- a/net/netfilter/xt_physdev.c +++ b/net/netfilter/xt_physdev.c @@ -107,9 +107,7 @@ static int physdev_mt_check(const struct xt_mtchk_param *par) info->invert & XT_PHYSDEV_OP_BRIDGED) && par->hook_mask & ((1 << NF_INET_LOCAL_OUT) | (1 << NF_INET_FORWARD) | (1 << NF_INET_POST_ROUTING))) { - pr_info("using --physdev-out and --physdev-is-out are only " - "supported in the FORWARD and POSTROUTING chains with " - "bridged traffic.\n"); + pr_info_ratelimited("--physdev-out and --physdev-is-out only supported in the FORWARD and POSTROUTING chains with bridged traffic\n"); if (par->hook_mask & (1 << NF_INET_LOCAL_OUT)) return -EINVAL; } diff --git a/net/netfilter/xt_recent.c b/net/netfilter/xt_recent.c index db6a2d43bb30..453025fcf661 100644 --- a/net/netfilter/xt_recent.c +++ b/net/netfilter/xt_recent.c @@ -357,8 +357,8 @@ static int recent_mt_check(const struct xt_mtchk_param *par, if ((info->check_set & XT_RECENT_REAP) && !info->seconds) return -EINVAL; if (info->hit_count >= XT_RECENT_MAX_NSTAMPS) { - pr_info("hitcount (%u) is larger than allowed maximum (%u)\n", - info->hit_count, XT_RECENT_MAX_NSTAMPS - 1); + pr_info_ratelimited("hitcount (%u) is larger than allowed maximum (%u)\n", + info->hit_count, XT_RECENT_MAX_NSTAMPS - 1); return -EINVAL; } if (info->name[0] == '\0' || @@ -587,7 +587,7 @@ recent_mt_proc_write(struct file *file, const char __user *input, add = true; break; default: - pr_info("Need \"+ip\", \"-ip\" or \"/\"\n"); + pr_info_ratelimited("Need \"+ip\", \"-ip\" or \"/\"\n"); return -EINVAL; } @@ -601,10 +601,8 @@ recent_mt_proc_write(struct file *file, const char __user *input, succ = in4_pton(c, size, (void *)&addr, '\n', NULL); } - if (!succ) { - pr_info("illegal address written to procfs\n"); + if (!succ) return -EINVAL; - } spin_lock_bh(&recent_lock); e = recent_entry_lookup(t, &addr, family, 0); diff --git a/net/netfilter/xt_set.c b/net/netfilter/xt_set.c index 16b6b11ee83f..ba94286f25aa 100644 --- a/net/netfilter/xt_set.c +++ b/net/netfilter/xt_set.c @@ -92,12 +92,12 @@ set_match_v0_checkentry(const struct xt_mtchk_param *par) index = ip_set_nfnl_get_byindex(par->net, info->match_set.index); if (index == IPSET_INVALID_ID) { - pr_warn("Cannot find set identified by id %u to match\n", - info->match_set.index); + pr_warn_ratelimited("Cannot find set identified by id %u to match\n", + info->match_set.index); return -ENOENT; } if (info->match_set.u.flags[IPSET_DIM_MAX - 1] != 0) { - pr_warn("Protocol error: set match dimension is over the limit!\n"); + pr_warn_ratelimited("set match dimension is over the limit!\n"); ip_set_nfnl_put(par->net, info->match_set.index); return -ERANGE; } @@ -143,12 +143,12 @@ set_match_v1_checkentry(const struct xt_mtchk_param *par) index = ip_set_nfnl_get_byindex(par->net, info->match_set.index); if (index == IPSET_INVALID_ID) { - pr_warn("Cannot find set identified by id %u to match\n", - info->match_set.index); + pr_warn_ratelimited("Cannot find set identified by id %u to match\n", + info->match_set.index); return -ENOENT; } if (info->match_set.dim > IPSET_DIM_MAX) { - pr_warn("Protocol error: set match dimension is over the limit!\n"); + pr_warn_ratelimited("set match dimension is over the limit!\n"); ip_set_nfnl_put(par->net, info->match_set.index); return -ERANGE; } @@ -241,8 +241,8 @@ set_target_v0_checkentry(const struct xt_tgchk_param *par) if (info->add_set.index != IPSET_INVALID_ID) { index = ip_set_nfnl_get_byindex(par->net, info->add_set.index); if (index == IPSET_INVALID_ID) { - pr_warn("Cannot find add_set index %u as target\n", - info->add_set.index); + pr_warn_ratelimited("Cannot find add_set index %u as target\n", + info->add_set.index); return -ENOENT; } } @@ -250,8 +250,8 @@ set_target_v0_checkentry(const struct xt_tgchk_param *par) if (info->del_set.index != IPSET_INVALID_ID) { index = ip_set_nfnl_get_byindex(par->net, info->del_set.index); if (index == IPSET_INVALID_ID) { - pr_warn("Cannot find del_set index %u as target\n", - info->del_set.index); + pr_warn_ratelimited("Cannot find del_set index %u as target\n", + info->del_set.index); if (info->add_set.index != IPSET_INVALID_ID) ip_set_nfnl_put(par->net, info->add_set.index); return -ENOENT; @@ -259,7 +259,7 @@ set_target_v0_checkentry(const struct xt_tgchk_param *par) } if (info->add_set.u.flags[IPSET_DIM_MAX - 1] != 0 || info->del_set.u.flags[IPSET_DIM_MAX - 1] != 0) { - pr_warn("Protocol error: SET target dimension is over the limit!\n"); + pr_warn_ratelimited("SET target dimension over the limit!\n"); if (info->add_set.index != IPSET_INVALID_ID) ip_set_nfnl_put(par->net, info->add_set.index); if (info->del_set.index != IPSET_INVALID_ID) @@ -316,8 +316,8 @@ set_target_v1_checkentry(const struct xt_tgchk_param *par) if (info->add_set.index != IPSET_INVALID_ID) { index = ip_set_nfnl_get_byindex(par->net, info->add_set.index); if (index == IPSET_INVALID_ID) { - pr_warn("Cannot find add_set index %u as target\n", - info->add_set.index); + pr_warn_ratelimited("Cannot find add_set index %u as target\n", + info->add_set.index); return -ENOENT; } } @@ -325,8 +325,8 @@ set_target_v1_checkentry(const struct xt_tgchk_param *par) if (info->del_set.index != IPSET_INVALID_ID) { index = ip_set_nfnl_get_byindex(par->net, info->del_set.index); if (index == IPSET_INVALID_ID) { - pr_warn("Cannot find del_set index %u as target\n", - info->del_set.index); + pr_warn_ratelimited("Cannot find del_set index %u as target\n", + info->del_set.index); if (info->add_set.index != IPSET_INVALID_ID) ip_set_nfnl_put(par->net, info->add_set.index); return -ENOENT; @@ -334,7 +334,7 @@ set_target_v1_checkentry(const struct xt_tgchk_param *par) } if (info->add_set.dim > IPSET_DIM_MAX || info->del_set.dim > IPSET_DIM_MAX) { - pr_warn("Protocol error: SET target dimension is over the limit!\n"); + pr_warn_ratelimited("SET target dimension over the limit!\n"); if (info->add_set.index != IPSET_INVALID_ID) ip_set_nfnl_put(par->net, info->add_set.index); if (info->del_set.index != IPSET_INVALID_ID) @@ -444,8 +444,8 @@ set_target_v3_checkentry(const struct xt_tgchk_param *par) index = ip_set_nfnl_get_byindex(par->net, info->add_set.index); if (index == IPSET_INVALID_ID) { - pr_warn("Cannot find add_set index %u as target\n", - info->add_set.index); + pr_warn_ratelimited("Cannot find add_set index %u as target\n", + info->add_set.index); return -ENOENT; } } @@ -454,8 +454,8 @@ set_target_v3_checkentry(const struct xt_tgchk_param *par) index = ip_set_nfnl_get_byindex(par->net, info->del_set.index); if (index == IPSET_INVALID_ID) { - pr_warn("Cannot find del_set index %u as target\n", - info->del_set.index); + pr_warn_ratelimited("Cannot find del_set index %u as target\n", + info->del_set.index); if (info->add_set.index != IPSET_INVALID_ID) ip_set_nfnl_put(par->net, info->add_set.index); @@ -465,7 +465,7 @@ set_target_v3_checkentry(const struct xt_tgchk_param *par) if (info->map_set.index != IPSET_INVALID_ID) { if (strncmp(par->table, "mangle", 7)) { - pr_warn("--map-set only usable from mangle table\n"); + pr_warn_ratelimited("--map-set only usable from mangle table\n"); return -EINVAL; } if (((info->flags & IPSET_FLAG_MAP_SKBPRIO) | @@ -473,14 +473,14 @@ set_target_v3_checkentry(const struct xt_tgchk_param *par) !(par->hook_mask & (1 << NF_INET_FORWARD | 1 << NF_INET_LOCAL_OUT | 1 << NF_INET_POST_ROUTING))) { - pr_warn("mapping of prio or/and queue is allowed only from OUTPUT/FORWARD/POSTROUTING chains\n"); + pr_warn_ratelimited("mapping of prio or/and queue is allowed only from OUTPUT/FORWARD/POSTROUTING chains\n"); return -EINVAL; } index = ip_set_nfnl_get_byindex(par->net, info->map_set.index); if (index == IPSET_INVALID_ID) { - pr_warn("Cannot find map_set index %u as target\n", - info->map_set.index); + pr_warn_ratelimited("Cannot find map_set index %u as target\n", + info->map_set.index); if (info->add_set.index != IPSET_INVALID_ID) ip_set_nfnl_put(par->net, info->add_set.index); @@ -494,7 +494,7 @@ set_target_v3_checkentry(const struct xt_tgchk_param *par) if (info->add_set.dim > IPSET_DIM_MAX || info->del_set.dim > IPSET_DIM_MAX || info->map_set.dim > IPSET_DIM_MAX) { - pr_warn("Protocol error: SET target dimension is over the limit!\n"); + pr_warn_ratelimited("SET target dimension over the limit!\n"); if (info->add_set.index != IPSET_INVALID_ID) ip_set_nfnl_put(par->net, info->add_set.index); if (info->del_set.index != IPSET_INVALID_ID) diff --git a/net/netfilter/xt_state.c b/net/netfilter/xt_state.c index 5fbd79194d21..0b41c0befe3c 100644 --- a/net/netfilter/xt_state.c +++ b/net/netfilter/xt_state.c @@ -44,8 +44,8 @@ static int state_mt_check(const struct xt_mtchk_param *par) ret = nf_ct_netns_get(par->net, par->family); if (ret < 0) - pr_info("cannot load conntrack support for proto=%u\n", - par->family); + pr_info_ratelimited("cannot load conntrack support for proto=%u\n", + par->family); return ret; } diff --git a/net/netfilter/xt_time.c b/net/netfilter/xt_time.c index aea2b5a12ed7..894709391f90 100644 --- a/net/netfilter/xt_time.c +++ b/net/netfilter/xt_time.c @@ -235,8 +235,7 @@ static int time_mt_check(const struct xt_mtchk_param *par) if (info->daytime_start > XT_TIME_MAX_DAYTIME || info->daytime_stop > XT_TIME_MAX_DAYTIME) { - pr_info("invalid argument - start or " - "stop time greater than 23:59:59\n"); + pr_info_ratelimited("invalid argument - start or stop time greater than 23:59:59\n"); return -EDOM; }