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 9658DC433FE for ; Wed, 12 Jan 2022 18:07:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1356037AbiALSHJ (ORCPT ); Wed, 12 Jan 2022 13:07:09 -0500 Received: from mail-il1-f197.google.com ([209.85.166.197]:37714 "EHLO mail-il1-f197.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1356020AbiALSHH (ORCPT ); Wed, 12 Jan 2022 13:07:07 -0500 Received: by mail-il1-f197.google.com with SMTP id l15-20020a056e021aaf00b002b7ed7d8cb4so1650567ilv.4 for ; Wed, 12 Jan 2022 10:07:07 -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=4qfyyc8d8t6HSYNLIhDajcHWDIP5czgFUKxiWdgZZuo=; b=wb1JKaRbFb4/e8S8mbASxcKjqdtFkvyCbp5wpWzUUdz4tq17Ob2mMNrX8rgVMTPW2f W5guYK00luPeqUgdeVfB39w4Eu1xClqGJjLK5+2PnP3haWLpdIjKr3kLjmQNvRkjXINL AbMMueW/iXt0YZafvOYeJ78f+pnvgWr58hyHDMWwFlacSYm4QcJYxI0CKJRihblx3fMP pWz0gS7nsuddSjQg8FyzVGyXRgQVeInXc1mqrbJi69eVoNdfGOWo1A4RHPCcxe+b3F8m 0Uf3yRWkdl8GqyWUAegHd16PGPYPOtnba6VCsqBJEn9+BWEZ4tJUXozWHLjMii/YBwxr akAQ== X-Gm-Message-State: AOAM530lSx1ePuRRuM/HgK9uO1JYBTeMnYnLPHs7RWT4d9UnDoOl890q pDsAZyiTFcHrnkwe6TsxHgQKbkbtUGs/wO/g325gmEz6wo5T X-Google-Smtp-Source: ABdhPJypiq3WNQhaEDkIOaecF5zA0hAxEGuLf4XczFian/Ud6RPY4l9/xIPbalhaOGaw8NUbxN6HUozucfb4pNbwD+xvQf1HCkcn MIME-Version: 1.0 X-Received: by 2002:a05:6602:1490:: with SMTP id a16mr491280iow.30.1642010826998; Wed, 12 Jan 2022 10:07:06 -0800 (PST) Date: Wed, 12 Jan 2022 10:07:06 -0800 In-Reply-To: <000000000000c1524005cdeacc5f@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000000f890905d56670f5@google.com> Subject: Re: [syzbot] KASAN: use-after-free Read in veth_xdp_rcv From: syzbot To: andrii@kernel.org, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, fgheet255t@gmail.com, hawk@kernel.org, john.fastabend@gmail.com, kafai@fb.com, kpsingh@kernel.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pabeni@redhat.com, songliubraving@fb.com, syzkaller-bugs@googlegroups.com, toke@redhat.com, toke@toke.dk, yhs@fb.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org syzbot suspects this issue was fixed by commit: commit 2cbad989033bff0256675c38f96f5faab852af4b Author: Paolo Abeni Date: Tue Nov 30 10:08:06 2021 +0000 bpf: Do not WARN in bpf_warn_invalid_xdp_action() bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14e9e1ddb00000 start commit: 252c765bd764 riscv, bpf: Add BPF exception tables git tree: bpf-next kernel config: https://syzkaller.appspot.com/x/.config?x=f60548b4c38ae4a8 dashboard link: https://syzkaller.appspot.com/bug?extid=67f89551088ea1a6850e syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1797fcf2b00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=10e71f9f300000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: bpf: Do not WARN in bpf_warn_invalid_xdp_action() For information about bisection process see: https://goo.gl/tpsmEJ#bisection