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 970F2C433FE for ; Thu, 3 Feb 2022 06:15:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237737AbiBCGPO (ORCPT ); Thu, 3 Feb 2022 01:15:14 -0500 Received: from mail-io1-f72.google.com ([209.85.166.72]:49955 "EHLO mail-io1-f72.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235938AbiBCGPN (ORCPT ); Thu, 3 Feb 2022 01:15:13 -0500 Received: by mail-io1-f72.google.com with SMTP id g16-20020a05660203d000b005f7b3b0642eso1203682iov.16 for ; Wed, 02 Feb 2022 22:15:13 -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=1dk1fe22wAQD96KMpTrh1aJpCo8V8K5F5v+cSSPRAoo=; b=WfQjeGTWjIaJfhHHzCKq6xA4HoioU7D6kmRFWvMdfi6Gm3BaXmB+SjgIkMQbX1j3vM 3UQ7RSLvdNy4kNAm7AP+YI6kFz88h7i54r/abnLpgYu9R/ETkOqrR7Ipk+8aFEgfQh08 3m6MhO1gOh0s4Dn1I73MXhUPOK6IdHEz3UcODH+Kmazy2MTKnuxEBddCvR2EkTvVs96p 5GR7Ed3leRsaKTgM09BXQmw6XDl+EqF8tgscjNCmWSMinyFHWoPoc3ttsFwn3Rnf5PbA 4UbewbELivtQ78Av6iqLCuf/764OLjh7HEI1W8cLbh7TZ9wLXCAUESt7JtacgvDENRkP w+mA== X-Gm-Message-State: AOAM533l753tN/zk3BNBAJjJGqNqVtK563D8jNtUF17TwM++PU6fJ6EW I4zp2BnwcEAlana3x3oPoYaKBKH72xd7cYLBLlPmHb0eKSKM X-Google-Smtp-Source: ABdhPJwG5KmUUYwacPuZ2fehr/MclNnEH3Zo1f357gXYPZfwm4VEsErIU/AlluZcFnV9djQq5ZDsqkgJgfxLeg23qz1oe7oFwDex MIME-Version: 1.0 X-Received: by 2002:a02:710c:: with SMTP id n12mr18306379jac.67.1643868913131; Wed, 02 Feb 2022 22:15:13 -0800 (PST) Date: Wed, 02 Feb 2022 22:15:13 -0800 In-Reply-To: <00000000000061d7eb05d7057144@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000009fe31405d7170e81@google.com> Subject: Re: [syzbot] WARNING in bpf_prog_test_run_xdp From: syzbot To: andrii@kernel.org, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, hawk@kernel.org, john.fastabend@gmail.com, kafai@fb.com, kpsingh@kernel.org, kuba@kernel.org, linux-kernel@vger.kernel.org, lorenzo@kernel.org, netdev@vger.kernel.org, songliubraving@fb.com, syzkaller-bugs@googlegroups.com, toke@redhat.com, yhs@fb.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org syzbot has bisected this issue to: commit 1c194998252469cad00a08bd9ef0b99fd255c260 Author: Lorenzo Bianconi Date: Fri Jan 21 10:09:58 2022 +0000 bpf: introduce frags support to bpf_prog_test_run_xdp() bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=16d81634700000 start commit: 000fe940e51f sfc: The size of the RX recycle ring should b.. git tree: net-next final oops: https://syzkaller.appspot.com/x/report.txt?x=15d81634700000 console output: https://syzkaller.appspot.com/x/log.txt?x=11d81634700000 kernel config: https://syzkaller.appspot.com/x/.config?x=e029d3b2ccd4c91a dashboard link: https://syzkaller.appspot.com/bug?extid=79fd1ab62b382be6f337 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12a719cc700000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=15851cec700000 Reported-by: syzbot+79fd1ab62b382be6f337@syzkaller.appspotmail.com Fixes: 1c1949982524 ("bpf: introduce frags support to bpf_prog_test_run_xdp()") For information about bisection process see: https://goo.gl/tpsmEJ#bisection