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 E02DCC64ED6 for ; Tue, 28 Feb 2023 12:52:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231510AbjB1Mv7 (ORCPT ); Tue, 28 Feb 2023 07:51:59 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34710 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229530AbjB1Mv4 (ORCPT ); Tue, 28 Feb 2023 07:51:56 -0500 Received: from mail-pj1-x1031.google.com (mail-pj1-x1031.google.com [IPv6:2607:f8b0:4864:20::1031]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 991212BECB for ; Tue, 28 Feb 2023 04:51:55 -0800 (PST) Received: by mail-pj1-x1031.google.com with SMTP id l1so9704464pjt.2 for ; Tue, 28 Feb 2023 04:51:55 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20210112.gappssmtp.com; s=20210112; t=1677588715; h=content-transfer-encoding:mime-version:date:message-id:subject :references:in-reply-to:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=F6bVcZFE0HqAVo8qfWn/M3ByKpGU6+Lc1KXSuspx5lo=; b=uBP8y0KEudDm9buTiNU2aHEUByfTEd7uJJX36ri4HmxFFsoYkiHFJzReJ3mx75gVYV WTPbKyBnhRr2eJ8Rt0vUlSvHSnJ+Di21agCQTonnedhxrLQGKyMLs9xl7sNWrQKwhW8F 147/0/iHd9r1v6l5igLC90stz9n9ezHoTzvRO5fGOnF/OyfR0EsRFFWbhvbH5HtzyREf WU9x2yz4/qD86Mxh1f29lyE6PMayDvH9RaIkuWfMilM6pr/VMfYWKQ6dOSLtK3k4Ghzz gxnFm8gFw2dm1rsgeMyd3C5HpfmZ2JmWheE3g8p34giU36F/QsznGLcYKIkjj5Q1JlAn CKoA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1677588715; h=content-transfer-encoding:mime-version:date:message-id:subject :references:in-reply-to:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=F6bVcZFE0HqAVo8qfWn/M3ByKpGU6+Lc1KXSuspx5lo=; b=y8cm9WBbFh0iqvkGH/LPI5V5tgvmiRjP6hZN/Ge2uOr/cC6t4ufFtiIo2RuPFhETxu 03HRM53XDj6W4wG5QKO3GRe0kjEvRvzecFme+VKyf8ClWPGTLuK4xgc/zh7fnPiGUA8O rxyfulA56+3o78+VS4uyf7zbhVbJzsgiTS3bzTi0MLZ+pXFvUNtSCQCoDctm9rb5MjR/ FC1C8Fqa1camF8kVXxf+4vzxtzWWakMSAtK1yjjcjbro1WGGH6kMTv3I0Dg9z2fUy21+ Ptg6nWX/1qDbX6HNtwBWzbALUnoaIn/bVzRAZfiZdAjbVPDpnrCQwuQIAYPJiQb95Ytv e8Ng== X-Gm-Message-State: AO0yUKXX+BFdE9CWJX+D4qssUqNwdyh+5rdAxx0UvyA3VcO4S7yj5M6V 7xlei8Zs5uOg++8YrjnIKMzXkA== X-Google-Smtp-Source: AK7set/xsX6KTOkXV5tn/4bDglX2Xm+IGdT2/LnSExXMtV/Q2AL5gxeZWwAyHV0xvvCRT8fmWCOUsQ== X-Received: by 2002:a17:902:e74e:b0:19a:a815:2864 with SMTP id p14-20020a170902e74e00b0019aa8152864mr2879368plf.4.1677588714985; Tue, 28 Feb 2023 04:51:54 -0800 (PST) Received: from [127.0.0.1] ([198.8.77.157]) by smtp.gmail.com with ESMTPSA id d19-20020a170902b71300b00198e397994bsm6486540pls.136.2023.02.28.04.51.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 28 Feb 2023 04:51:54 -0800 (PST) From: Jens Axboe To: tj@kernel.org, josef@toxicpanda.com, cgroups@vger.kernel.org, linux-block@vger.kernel.org, Breno Leitao Cc: aherrmann@suse.de, linux-kernel@vger.kernel.org, hch@lst.de, leit@fb.com In-Reply-To: <20230228111654.1778120-1-leitao@debian.org> References: <20230228111654.1778120-1-leitao@debian.org> Subject: Re: [PATCH v4] blk-iocost: Pass gendisk to ioc_refresh_params Message-Id: <167758871388.8785.9077411400332712392.b4-ty@kernel.dk> Date: Tue, 28 Feb 2023 05:51:53 -0700 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Mailer: b4 0.13-dev-ebd05 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 28 Feb 2023 03:16:54 -0800, Breno Leitao wrote: > Current kernel (d2980d8d826554fa6981d621e569a453787472f8) crashes > when blk_iocost_init for `nvme1` disk. > > BUG: kernel NULL pointer dereference, address: 0000000000000050 > #PF: supervisor read access in kernel mode > #PF: error_code(0x0000) - not-present page > > [...] Applied, thanks! [1/1] blk-iocost: Pass gendisk to ioc_refresh_params commit: e33b93650fc5364f773985a3e961e24349330d97 Best regards, -- Jens Axboe