Message ID | 20180330113914.18431-7-pablo@netfilter.org |
---|---|
State | Accepted, archived |
Delegated to: | David Miller |
Headers | show
Return-Path: <netdev-owner@vger.kernel.org> X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@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=netdev-owner@vger.kernel.org; receiver=<UNKNOWN>) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=netfilter.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 40CKRL0XCzz9sCv for <patchwork-incoming-netdev@ozlabs.org>; Fri, 30 Mar 2018 22:39:58 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752106AbeC3Ljz (ORCPT <rfc822;patchwork-incoming-netdev@ozlabs.org>); Fri, 30 Mar 2018 07:39:55 -0400 Received: from mail.us.es ([193.147.175.20]:49288 "EHLO mail.us.es" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752027AbeC3Ljy (ORCPT <rfc822;netdev@vger.kernel.org>); Fri, 30 Mar 2018 07:39:54 -0400 Received: from antivirus1-rhel7.int (unknown [192.168.2.11]) by mail.us.es (Postfix) with ESMTP id A49859D334 for <netdev@vger.kernel.org>; Fri, 30 Mar 2018 13:39:35 +0200 (CEST) Received: from antivirus1-rhel7.int (localhost [127.0.0.1]) by antivirus1-rhel7.int (Postfix) with ESMTP id 950C5DA2CE for <netdev@vger.kernel.org>; Fri, 30 Mar 2018 13:39:35 +0200 (CEST) Received: by antivirus1-rhel7.int (Postfix, from userid 99) id 899C8DA2CB; Fri, 30 Mar 2018 13:39:35 +0200 (CEST) X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on antivirus1-rhel7.int X-Spam-Level: X-Spam-Status: No, score=-108.2 required=7.5 tests=ALL_TRUSTED,BAYES_50, SMTPAUTH_US2,USER_IN_WHITELIST autolearn=disabled version=3.4.1 Received: from antivirus1-rhel7.int (localhost [127.0.0.1]) by antivirus1-rhel7.int (Postfix) with ESMTP id A76D5DA3A0; Fri, 30 Mar 2018 13:39:33 +0200 (CEST) Received: from 192.168.1.97 (192.168.1.97) by antivirus1-rhel7.int (F-Secure/fsigk_smtp/550/antivirus1-rhel7.int); Fri, 30 Mar 2018 13:39:33 +0200 (CEST) X-Virus-Status: clean(F-Secure/fsigk_smtp/550/antivirus1-rhel7.int) Received: from salvia.here (unknown [31.4.241.27]) (Authenticated sender: pneira@us.es) by entrada.int (Postfix) with ESMTPA id CB6B54265A2F; Fri, 30 Mar 2018 13:39:32 +0200 (CEST) X-SMTPAUTHUS: auth mail.us.es From: Pablo Neira Ayuso <pablo@netfilter.org> To: netfilter-devel@vger.kernel.org Cc: davem@davemloft.net, netdev@vger.kernel.org Subject: [PATCH 16/47] netfilter: x_tables: make sure compat af mutex is held Date: Fri, 30 Mar 2018 13:38:43 +0200 Message-Id: <20180330113914.18431-7-pablo@netfilter.org> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20180330113914.18431-1-pablo@netfilter.org> References: <20180330113914.18431-1-pablo@netfilter.org> X-Virus-Scanned: ClamAV using ClamSMTP Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: <netdev.vger.kernel.org> X-Mailing-List: netdev@vger.kernel.org |
Series |
[01/47] netfilter: nf_tables: nf_tables_obj_lookup_byhandle() can be static
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diff --git a/net/netfilter/x_tables.c b/net/netfilter/x_tables.c index 33724b08b8f0..7521e8a72c06 100644 --- a/net/netfilter/x_tables.c +++ b/net/netfilter/x_tables.c @@ -582,6 +582,8 @@ int xt_compat_add_offset(u_int8_t af, unsigned int offset, int delta) { struct xt_af *xp = &xt[af]; + WARN_ON(!mutex_is_locked(&xt[af].compat_mutex)); + if (WARN_ON(!xp->compat_tab)) return -ENOMEM; @@ -599,6 +601,8 @@ EXPORT_SYMBOL_GPL(xt_compat_add_offset); void xt_compat_flush_offsets(u_int8_t af) { + WARN_ON(!mutex_is_locked(&xt[af].compat_mutex)); + if (xt[af].compat_tab) { vfree(xt[af].compat_tab); xt[af].compat_tab = NULL; @@ -630,6 +634,8 @@ int xt_compat_init_offsets(u8 af, unsigned int number) { size_t mem; + WARN_ON(!mutex_is_locked(&xt[af].compat_mutex)); + if (!number || number > (INT_MAX / sizeof(struct compat_delta))) return -EINVAL;