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 3EF16C433FE for ; Thu, 17 Nov 2022 00:34:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233358AbiKQAeW (ORCPT ); Wed, 16 Nov 2022 19:34:22 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33608 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231300AbiKQAeS (ORCPT ); Wed, 16 Nov 2022 19:34:18 -0500 Received: from mail-il1-f200.google.com (mail-il1-f200.google.com [209.85.166.200]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B272231355 for ; Wed, 16 Nov 2022 16:34:16 -0800 (PST) Received: by mail-il1-f200.google.com with SMTP id l4-20020a056e021aa400b00300ad9535c8so245031ilv.1 for ; Wed, 16 Nov 2022 16:34:16 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=C7fpKRtzxmuZr+pixes1vS//11B89ShTFWKOGGoP3bY=; b=OVQfj2MjT9cOJ43+PfL+dzbcojonkAKLyXecFWqHHhaG+riPNIQzTcbZA8jcecs5IV z+nFx/Lns/eAaNfsBsEDhtAUmVshFPtdaTcdh9lqKWMjxjjtVaiKadm7pFf53ex1X1a8 tsuackTPXf+QORy89Rrq6La6oPsjzDm8oYLfYIEZL+V9ynKbgDDU1OGD2LdsKSrjp5r2 MbcUuP3GK7WLsiFCVQ9vb7emkFT+AcOCvDZoshpeAy+OuKfe8Zm6owSSg/8JAG4SFYzo LdU6EYzd146cSD4hguWx6gib47nwxsa3yenC0lx1HChAMIVK/vdAmYVGXNIw8Mw++wx/ 2zoA== X-Gm-Message-State: ANoB5pkSdmsiKJCB+0Dm922ZiVdLWXgN9qaAqkqN1kZhmRvEAUc4Zs2d a6jyiani/YqWdgui5UjoUDFAuU9XZ4hs4UmKaQDREL8VFURd X-Google-Smtp-Source: AA0mqf5Fv/E/JgjNAnqCkyuAiMmMi01LvbjF2o+YeCzfvfXdDg1r0D/72ROyAB0i/hDxy2hmfUqb6clFk0u135HlVI/OLpTGyQtn MIME-Version: 1.0 X-Received: by 2002:a05:6638:1918:b0:375:4dbf:6ca4 with SMTP id p24-20020a056638191800b003754dbf6ca4mr11160143jal.315.1668645256039; Wed, 16 Nov 2022 16:34:16 -0800 (PST) Date: Wed, 16 Nov 2022 16:34:16 -0800 In-Reply-To: <00000000000058983805ed944512@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000be110905ed9fbf49@google.com> Subject: Re: [syzbot] BUG: unable to handle kernel NULL pointer dereference in nci_send_cmd From: syzbot To: bongsu.jeon@samsung.com, clement.perrochaud@nxp.com, davem@davemloft.net, edumazet@google.com, krzysztof.kozlowski@linaro.org, kuba@kernel.org, kylin.formalin@gmail.com, linma@zju.edu.cn, linux-kernel@vger.kernel.org, michael.thalmeier@hale.at, netdev@vger.kernel.org, pabeni@redhat.com, r.baldyga@samsung.com, robert.dolca@intel.com, sameo@linux.intel.com, shikha.singh@st.com, syzkaller-bugs@googlegroups.com, thierry.escande@linux.intel.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 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