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 73719C4332F for ; Wed, 2 Feb 2022 22:48:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1347935AbiBBWsP (ORCPT ); Wed, 2 Feb 2022 17:48:15 -0500 Received: from mail-il1-f199.google.com ([209.85.166.199]:41912 "EHLO mail-il1-f199.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236338AbiBBWsN (ORCPT ); Wed, 2 Feb 2022 17:48:13 -0500 Received: by mail-il1-f199.google.com with SMTP id o8-20020a056e0214c800b002bc2f9cffffso505736ilk.8 for ; Wed, 02 Feb 2022 14:48:13 -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=wPRVy6cCZjxIGaY7GW0QhGPoF6HyxL4xHm0Y75S1HfY=; b=70bC9MKAQzqd2TvBKKJDF8QZvcm9A4LD3YcOcZntx8rEcvEWM0KgRHEGSwQ+ASO77k IMeYQg9mVpM7JekTaaof9AvO4hFg6u/gatei+hqKovPJ/e5MCNwMaeJyXlgtRRXttQ5r 49c6GGzuyxYdJX6UPlYHApmcuIC9q79MT2pFH6DR6DU+W8HQyFTBpfMaqhjrgzETabNN ZOfubwD3LnKCn7UXU1kiyzLvYXJU0Qni5MyceUaDWlEZD9t672+RZoT913LDDkjNfCzw hbfHCYGywFjCanb1hqLo19riFi2ccovRADYrTYJ/+c/u/MERz1hBJEkpdSgDtpBsvYuk yhbg== X-Gm-Message-State: AOAM5331mbFCBgaFKdgIdWSynrwhB44SS5e3xVPgVzRqf9YMHezS+54p vh0Mj0hrWpsDZQUbBTNJ3RPA8NavN0h1vPo64NNMJPZIdiTy X-Google-Smtp-Source: ABdhPJxazeG/KSFW4yUcasmzMOdmC/DL0bFZExqauOUeXy/hnReM+RRSSGklrexPTcyyuAPHnKRqalDWqVAqFarV3Dxl2/1VlXzE MIME-Version: 1.0 X-Received: by 2002:a92:d68a:: with SMTP id p10mr3673258iln.85.1643842093461; Wed, 02 Feb 2022 14:48:13 -0800 (PST) Date: Wed, 02 Feb 2022 14:48:13 -0800 In-Reply-To: <000000000000df66a505d68df8d1@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000000c37d105d710d0e1@google.com> Subject: Re: [syzbot] KASAN: slab-out-of-bounds Write in bpf_prog_test_run_xdp From: syzbot To: alexei.starovoitov@gmail.com, 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.bianconi@redhat.com, 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: linux-kernel@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=15a1e914700000 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=17a1e914700000 console output: https://syzkaller.appspot.com/x/log.txt?x=13a1e914700000 kernel config: https://syzkaller.appspot.com/x/.config?x=e029d3b2ccd4c91a dashboard link: https://syzkaller.appspot.com/bug?extid=6d70ca7438345077c549 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14c08cc8700000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1258f610700000 Reported-by: syzbot+6d70ca7438345077c549@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