From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D0127C433E1 for ; Tue, 30 Jun 2020 03:57:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9EE0A20768 for ; Tue, 30 Jun 2020 03:57:06 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="AST/x2uF" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729267AbgF3D5A (ORCPT ); Mon, 29 Jun 2020 23:57:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40722 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728961AbgF3D5A (ORCPT ); Mon, 29 Jun 2020 23:57:00 -0400 Received: from mail-il1-x12d.google.com (mail-il1-x12d.google.com [IPv6:2607:f8b0:4864:20::12d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CCEC8C061755; Mon, 29 Jun 2020 20:56:59 -0700 (PDT) Received: by mail-il1-x12d.google.com with SMTP id k1so15299759ils.2; Mon, 29 Jun 2020 20:56:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=yAZduYcEKm4wiOoLB6wnk1hlMRtoPsLgtKlyIvlMUUk=; b=AST/x2uFdAOxU5odRsKWn9WpNVke4VbhSNvdISsxJZV/NpV7Lw4iiX0GXfsPiDW0W4 tUrRjKiSa62sEqDUPqKDwLjTEfwaJIzROaY0JTZ45PFyGziN68HkqYHlZgAWUgmUdiPP HEwGMXZa8wYgmU3U9+2SswTLl2PyLa0FQlbDjmV8uhbQpGuo/BqKXIfX1spkVz3HteSf aRC6y9fpGFIc8J0vnAIUviWUySCHN8LvMWS2m2k9nuQwY4VMIf3in26ljVIjLireNsJu WIj0yyMXzaTLwD3OTnQ4fy40w42oSfRHblfTUWboKc/MMq6uDuGzjrQ141U67NzeFkvi oK9g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=yAZduYcEKm4wiOoLB6wnk1hlMRtoPsLgtKlyIvlMUUk=; b=YxzuVhjcgo3hTJSztLZzfuDPZNMzdsj5h8Ld9gx6NxdpJhA1NfJaXMurGHdeL1ymQX a4Y4F3cB290YOEglXizbfuPDAjx3Qr436uVybK/9G1ExZSFFdIzqHJH1aFQJ0NxLaNMc dwX4+drJtwp7cIK3TNBZiY8LC3b1xsL583VSGVB4kJX8IrVSDOz/TjoOBr9Zm/TCSVLz iseNe23XgTDLYD7N64IGiwKHietr0NYZXX9y5i5jskwDlPeA82J3Tk2Z38Z0SCNYqiwj ZVyfJzYsnL4OA5hej4P8gOcNVmm2SmqDHyGEUb3wDFBypKOqCgbd6JYZjligU2I3csZC c+ww== X-Gm-Message-State: AOAM530GqSsvZo7lI2kzKho4puWCzn2I2506J6O4juaIw/pZfV5aL7vE KuJJII29KhwAT20uCV6pCR2zeFRZ2MgLV6AAMvE= X-Google-Smtp-Source: ABdhPJxliD+RX+5z+ADoRBWAEQRMTYQaVyBjwuy4bcMqOCiNJvHeTGmICJj9i962YuR7HghZ2ecs16GvVbRu0qa8CbI= X-Received: by 2002:a92:bb0b:: with SMTP id w11mr777875ili.238.1593489419280; Mon, 29 Jun 2020 20:56:59 -0700 (PDT) MIME-Version: 1.0 References: <00000000000084cbe605a93bcf78@google.com> In-Reply-To: <00000000000084cbe605a93bcf78@google.com> From: Cong Wang Date: Mon, 29 Jun 2020 20:56:48 -0700 Message-ID: Subject: Re: KASAN: vmalloc-out-of-bounds Read in netdev_name_node_lookup_rcu To: syzbot Cc: "Jason A. Donenfeld" , David Miller , Jakub Kicinski , LKML , Linux Kernel Network Developers , syzkaller-bugs , WireGuard mailing list Content-Type: text/plain; charset="UTF-8" Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org #syz fix: genetlink: get rid of family->attrbuf