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 3A134C433FE for ; Wed, 30 Nov 2022 09:30:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233627AbiK3Jao (ORCPT ); Wed, 30 Nov 2022 04:30:44 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60110 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233717AbiK3Jaj (ORCPT ); Wed, 30 Nov 2022 04:30:39 -0500 Received: from mail-ot1-x333.google.com (mail-ot1-x333.google.com [IPv6:2607:f8b0:4864:20::333]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 26E2D5288E for ; Wed, 30 Nov 2022 01:30:34 -0800 (PST) Received: by mail-ot1-x333.google.com with SMTP id p10-20020a9d76ca000000b0066d6c6bce58so10818969otl.7 for ; Wed, 30 Nov 2022 01:30:34 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:from:to:cc:subject:date:message-id:reply-to; bh=R4rzBLqhzVqPs1XSyOBs4RGvyvY1FfP4xPQ3lsEfP18=; b=iMUzv2B7vFyq9U1/isf6Pi1o7iYQUzvRZhXiCx0m7fjsv0OZIM/rgTKGUIprpPDiwt 6es3AiQLEn0Eyq8eYSUaooE1EIPchFNwCAp1GXDjvAVQhDL/Mezo9WGsvpOTdtOP/r4d by8yMPFqzrH6vTDszQhha/s37IsgPg6tymT1oI5QNzxu1KfFmHe6Eawa/H16xel8GlqQ sHKH81DBMTCf08iXirB9CH/KuZgqBpuETFnRg9mbkkYj5r8slLTqzHU3iEhHbYk8nJTa E9xIdJ+lqe+uV1ibrz4jcF8HHQu/vt6EtV6vH6U7t1Pv6N4EJlBablbdbKOrXNznirvO h2Fw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=R4rzBLqhzVqPs1XSyOBs4RGvyvY1FfP4xPQ3lsEfP18=; b=TujCK0d7gogzXsfi1S/6g79EzvwYFEkVO9GIjWbJrjHAWwNSqVSXlFWD8JvEl/gBfH FqR2ekVKGnZmlKosSj8eWLRACDpkalxDZzsr2+MVhk0YsGaI/tffdlUBFSOLmBH6JziU p/x7huzdDi/cEs3WgxXici/hddkG3x8vyZhO3MY0I7L5I5ZC1xrlqyhGw6T3OYWRe+ta +4bpOHv+jFsIDveEzWwGJlstf1tir3gOdeXv7CMWS5hH3Ot+neqPus0QMRiYShR+Y5tx vOW9xE/A7CE7lJhXl8rI357RcEbQ5dNNvrOwSpw8nP7W+cMvx1O9EDLCa34CO/zMpaKS itpw== X-Gm-Message-State: ANoB5plPJyS+BpoWg0TI1k48sWl+Q4sEi1qt7IfrMOFl69F+3CYBC1eX tp9Bjrv7YtkfcnzJ0ufCJNvc//N98Suqo10gP7PVyg== X-Google-Smtp-Source: AA0mqf7oYsFX939hyA25HvmNwprF22fZ6uf7xPd+W+NVMtlfg4wpNHuCTToXuhoYz0V0nBNWuOy1fgn9WDK5D3dk7Kg= X-Received: by 2002:a05:6830:1b62:b0:66c:7982:2d45 with SMTP id d2-20020a0568301b6200b0066c79822d45mr19894908ote.123.1669800633226; Wed, 30 Nov 2022 01:30:33 -0800 (PST) MIME-Version: 1.0 References: <00000000000058983805ed944512@google.com> <000000000000be110905ed9fbf49@google.com> In-Reply-To: <000000000000be110905ed9fbf49@google.com> From: Dmitry Vyukov Date: Wed, 30 Nov 2022 10:30:22 +0100 Message-ID: Subject: Re: [syzbot] BUG: unable to handle kernel NULL pointer dereference in nci_send_cmd To: syzbot , =?UTF-8?B?6ams6bqf?= , bongsu.jeon@samsung.com Cc: clement.perrochaud@nxp.com, krzysztof.kozlowski@linaro.org, linma@zju.edu.cn, linux-kernel@vger.kernel.org, michael.thalmeier@hale.at, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Thu, 17 Nov 2022 at 01:34, syzbot wrote: > > syzbot has bisected this issue to: > > commit e624e6c3e777fb3dfed036b9da4d433aee3608a5 > Author: Bongsu Jeon > Date: Wed Jan 27 13:08:28 2021 +0000 > > nfc: Add a virtual nci device driver > > bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1338e6e9880000 > start commit: 81e7cfa3a9eb Merge tag 'erofs-for-6.1-rc6-fixes' of git://.. > git tree: upstream > final oops: https://syzkaller.appspot.com/x/report.txt?x=10b8e6e9880000 > console output: https://syzkaller.appspot.com/x/log.txt?x=1738e6e9880000 > kernel config: https://syzkaller.appspot.com/x/.config?x=a2318f9a4fc31ad > dashboard link: https://syzkaller.appspot.com/bug?extid=4adf5ff0f6e6876c6a81 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11f435be880000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1134d295880000 > > Reported-by: syzbot+4adf5ff0f6e6876c6a81@syzkaller.appspotmail.com > Fixes: e624e6c3e777 ("nfc: Add a virtual nci device driver") > > For information about bisection process see: https://goo.gl/tpsmEJ#bisection #syz dup: WARNING in nci_send_cmd