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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1B2DAC433EF for ; Wed, 2 Feb 2022 14:49:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239800AbiBBOtH (ORCPT ); Wed, 2 Feb 2022 09:49:07 -0500 Received: from mail-il1-f197.google.com ([209.85.166.197]:34371 "EHLO mail-il1-f197.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231812AbiBBOtH (ORCPT ); Wed, 2 Feb 2022 09:49:07 -0500 Received: by mail-il1-f197.google.com with SMTP id a18-20020a923312000000b002b384dccc91so14229894ilf.1 for ; Wed, 02 Feb 2022 06:49:07 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=6Nd1L82ICndPV9f8V8g1zVMprvZUqDrKLntRDzaTUKs=; b=TwsTnkci+bly1yehf2KCW3QlxVqkF1pvqWmU3lrJ6BqoTbwU+MjspHbs/7+waeSNF9 XSny9RuDV5SRJi/+EaruxqW2KirbAKJO7XE2fQxwwXa7f5pR5Ewht9tFJ+zZaI/My5q3 7JQHfgmLEuhrfxIaFBO+WFzLcfV/g/Ixl6m050edwbylN+Co61//AiCQD/ONWOJMXLhD y14oLoJzZKzIAeOc5grBbnm2yP/WvFka0OJiUSW7tcLyRNY2YZTwmnfJ8sZeG/eMMfbd fCrAHJSQ+uJ/ntHm7atpT34KuWV5/vGt3b/X1QbOiUU0qX1hoFz7g7AmEtJ1350moQXm R3cA== X-Gm-Message-State: AOAM530W5m+LY2qW5f3+q+e5pgGFXSD2RIAjOk6caYEQ74Dnr8BVR9z1 J0CR/vGOkh0anDcNmA1OICdsK0wgauoL+gyvqu4cdEXXQN8L X-Google-Smtp-Source: ABdhPJwiZSvL8CqwB5CvuzxGq57yo5R2vWvAErDKljFwjGmHcp5ZqIzV1eqZaQcleFi335EERjmwRhGGhgIxSPAe8IBZNR1RLDj2 MIME-Version: 1.0 X-Received: by 2002:a05:6e02:20cd:: with SMTP id 13mr17352269ilq.225.1643813346862; Wed, 02 Feb 2022 06:49:06 -0800 (PST) Date: Wed, 02 Feb 2022 06:49:06 -0800 In-Reply-To: <8d1abb6f-17c3-4323-d56b-a910092e9989@iogearbox.net> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000009deb3105d70a1e67@google.com> Subject: Re: [syzbot] KASAN: vmalloc-out-of-bounds Write in ringbuf_map_alloc From: syzbot To: andrii@kernel.org, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, hotforest@gmail.com, houtao1@huawei.com, john.fastabend@gmail.com, kafai@fb.com, kpsingh@kernel.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, songliubraving@fb.com, syzkaller-bugs@googlegroups.com, yhs@fb.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-and-tested-by: syzbot+5ad567a418794b9b5983@syzkaller.appspotmail.com Tested on: commit: 48f52cba bpf: use VM_MAP instead of VM_ALLOC for ringbuf git tree: git://git.kernel.org/pub/scm/linux/kernel/git/dborkman/bpf.git pr/rb-vmap kernel config: https://syzkaller.appspot.com/x/.config?x=5044676c290190f2 dashboard link: https://syzkaller.appspot.com/bug?extid=5ad567a418794b9b5983 compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 Note: testing is done by a robot and is best-effort only.