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 66388C433FE for ; Wed, 9 Mar 2022 06:44:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230109AbiCIGpq (ORCPT ); Wed, 9 Mar 2022 01:45:46 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53670 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230107AbiCIGpq (ORCPT ); Wed, 9 Mar 2022 01:45:46 -0500 Received: from mail-ot1-x329.google.com (mail-ot1-x329.google.com [IPv6:2607:f8b0:4864:20::329]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 073D914865E for ; Tue, 8 Mar 2022 22:44:48 -0800 (PST) Received: by mail-ot1-x329.google.com with SMTP id o106-20020a9d2273000000b005b21f46878cso1063937ota.3 for ; Tue, 08 Mar 2022 22:44:48 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=jZMufj7Tm5Os9PxEOp9R/56jAgCpPD0qy8qsSAqdKNg=; b=Rq1QSSfLETqWmRe6vJtUu/defuNYWkNulSqIPOQOH4JK6TywxdM1S0WzN9UHxzJ4WV ERJW+Y0fGSTAKs8Ltkq25gGlqNRBN0w7V/VIjDfuFPS0f1OrXNMhupP+lqdaG6NNSz4b YKYlE/ChfNNUBnVZH6q9SGVzzxaF/mkMpMXTU= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=jZMufj7Tm5Os9PxEOp9R/56jAgCpPD0qy8qsSAqdKNg=; b=PlWCqfhKJ5vXs+yFlfF3JCzewS8x4v3T53p5yq3tSrS7SAI8+YMoVtiD97HGihSrl3 R7CUPHIgWDggE8Pyfg0tyBNICBfcsc8+HNA516MExvVgpXM+GSIGTkF2nbrU+5PLWmd1 MsxKCaGnVerHC4pHNgmwY1717izSekmpMGz0FZzq4RzwlrEsLaJjA7p41oADwAXQyH5A WiesaS0LKUbGzdmCliIgIG6vVdP/4w6medfce7QaKXP2NrKqqRGh/KWtegUMTeCyYVpa Z5WwpQCwJ9ndzHhjoqKbQ7fNzJ/Wz2bRjw2IZRAjF97nOG1qho5/ZyP2g/tC0XOGy1hB bSrg== X-Gm-Message-State: AOAM533BxnPAmsnBQIEno2/zol9vBE+KmXnyqhlWF9ZBj2cddBgyNyrV jNkJjwLt9H0z/SCiUdvkUshcXUu+h3jdWunOZouBWg== X-Google-Smtp-Source: ABdhPJwgeempI9YkdJWOmlVVxhl8MwmoBOdAA7Us6mz2Gm7XPGL0yiUsvDgdWa84lwk3GbH8bhjnKcqPUNxgTgf2thI= X-Received: by 2002:a05:6830:25d6:b0:5b2:5015:f015 with SMTP id d22-20020a05683025d600b005b25015f015mr2741840otu.127.1646808287162; Tue, 08 Mar 2022 22:44:47 -0800 (PST) MIME-Version: 1.0 References: <20220201223948.1455637-1-keescook@chromium.org> <164462189850.7606.6908949862618145181.b4-ty@oracle.com> In-Reply-To: From: Sreekanth Reddy Date: Wed, 9 Mar 2022 12:14:35 +0530 Message-ID: Subject: Re: [PATCH] scsi: mpt3sas: Convert to flexible arrays To: "Martin K. Petersen" Cc: Kees Cook , Sathya Prakash , Suganath Prabu Subramani , "James E.J. Bottomley" , linux-hardening@vger.kernel.org, linux-scsi , Linux Kernel Mailing List , PDL-MPT-FUSIONLINUX Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256; boundary="000000000000fe1f5a05d9c36efb" Precedence: bulk List-ID: X-Mailing-List: linux-hardening@vger.kernel.org --000000000000fe1f5a05d9c36efb Content-Type: text/plain; charset="UTF-8" On Wed, Mar 9, 2022 at 8:50 AM Martin K. Petersen wrote: > > > Sreekanth, > > > I am observing below kernel panic when I load the driver with this > > patch changes. After reverting this patch changes then the driver is > > getting loaded successfully. > > I am puzzled. The driver loads fine for me. I have verified that the > generated object file is identical before and after Kees' patch. Looks like we will observe this issue only if DIF Type 2 drive is connected to the HBA. When this panic occurred I had connected one DIF Type2 drive to the HBA. Thanks, Sreekanth > > -- > Martin K. 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