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 X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2239CC433E1 for ; Wed, 13 May 2020 17:41:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A9E1E20659 for ; Wed, 13 May 2020 17:41:58 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="kG3ag9UD" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732670AbgEMRl5 (ORCPT ); Wed, 13 May 2020 13:41:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38236 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S2389978AbgEMRl4 (ORCPT ); Wed, 13 May 2020 13:41:56 -0400 Received: from mail-lj1-x231.google.com (mail-lj1-x231.google.com [IPv6:2a00:1450:4864:20::231]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CE07CC061A0E for ; Wed, 13 May 2020 10:41:54 -0700 (PDT) Received: by mail-lj1-x231.google.com with SMTP id d21so492765ljg.9 for ; Wed, 13 May 2020 10:41:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=mime-version:from:date:message-id:subject:to:cc; bh=QjuRXtzGVnN+Kn08SyiNAcKzsAyUI59HPJcsYAxmw0Y=; b=kG3ag9UDRW5Cz2Hlbx+/keGxFBYSJbznsQ6G0lnTz9Vk/5WihVEgcSuJc4HOhZxVIa 1QW3TapgBwXxMM5bGsVZ51wKL/tBNIPAZvsIX5pcU3DZGRv9Lozmv5o3oUoMcsTFCFnr 10yujkvlI45um35YJuOI1pFnUoYx7vae/TsTEUbKHfckM8cemdfujq0Vrjtf7rWwjmfd CGbtwkq55z7kCHlncT2TbUiKMBSXFZAvvP8m41WZH8L37nY1S0rjuRlWBGb45ZKB95rg qfnwKD/XHV8wYIAMtPtSsoW5/lhv5VRji4b7M0y0rRqMIOhN//4Di9rF+gSfbyiQOTo4 Hiwg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to:cc; bh=QjuRXtzGVnN+Kn08SyiNAcKzsAyUI59HPJcsYAxmw0Y=; b=MAZTIEr6DQBHPEWhwhe+9bKcvwmjpT+82xbYmanZ+55LG6kmSUMTtIqRYQwDzg4ss8 YpzalSWMTwmX7wTJIyGMoUHN3ENsY5Jcn2jzGoxLGbi+ME4RLwrGxerG1sFVoh8hikTL 9PmdzXOiWQX9Jfzayw5FUTO0afj5Ig3LXj4ygsO5I6hR8yKTL3CP3J7KSM17OkxYRaiT g4qLIRgruF3Awr7fQy9TmebLX1M9CpUZ2uuyH5WD+AR0N0dbaGr+tTCSnKCDvLPk2dEO 3zXg9FozQTdDzjQkR2KeegvNywxAAxdasiWHNuq4dOzN+wvRFkMwXJYWPizN/VAoMSeP m4Qg== X-Gm-Message-State: AOAM531Y0X/mDWVF7fM8ymFhtesAA9wCD1tjGh7t2FmLhQNvsj6hZTwz ZH9UVoEl1RL7Wsw10AiLsQTguqWoi5k4KVj1KB+CrdamtxXA6w== X-Google-Smtp-Source: ABdhPJx+AjJe8Wv9bvNiYj9gq2JqtcVDPVb3/KfH4V96pHYttjJ8Mfthw2JyDaK9+RRdwUJtpJL6ddIfj7SbfPgkDE8= X-Received: by 2002:a2e:8999:: with SMTP id c25mr140215lji.73.1589391712344; Wed, 13 May 2020 10:41:52 -0700 (PDT) MIME-Version: 1.0 From: Naresh Kamboju Date: Wed, 13 May 2020 23:11:40 +0530 Message-ID: Subject: stable-rc 5.4: libhugetlbfs fallocate_stress.sh: Unable to handle kernel paging request at virtual address ffff00006772f000 To: linux- stable , open list , linux-mm Cc: Michal Hocko , Hugh Dickins , Naoya Horiguchi , "Aneesh Kumar K . V" , Andrea Arcangeli , "Kirill A . Shutemov" , Davidlohr Bueso , Prakash Sangappa , Andrew Morton , Mike Kravetz , lkft-triage@lists.linaro.org, Arnd Bergmann , John Stultz Content-Type: text/plain; charset="UTF-8" Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org While running libhugetlbfs fallocate_stress.sh on stable-rc 5.4 branch kernel on arm64 hikey device. The following kernel Internal error: Oops: crash dump noticed. fallocate_stress.sh (2M: 64): [ 129.706506] Unable to handle kernel paging request at virtual address ffff00006772f000 [ 129.714638] Mem abort info: [ 129.717553] ESR = 0x96000047 [ 129.720726] EC = 0x25: DABT (current EL), IL = 32 bits [ 129.726188] SET = 0, FnV = 0 [ 129.729338] EA = 0, S1PTW = 0 [ 129.732573] Data abort info: [ 129.735546] ISV = 0, ISS = 0x00000047 [ 129.739493] CM = 0, WnR = 1 [ 129.742534] swapper pgtable: 4k pages, 48-bit VAs, pgdp=00000000013ad000 [ 129.749409] [ffff00006772f000] pgd=0000000077ff7003, pud=0000000077e0d003, pmd=0000000077cd1003, pte=006800006772f713 [ 129.760294] Internal error: Oops: 96000047 [#1] PREEMPT SMP [ 129.765988] Modules linked in: wl18xx wlcore mac80211 cfg80211 hci_uart snd_soc_audio_graph_card adv7511 crct10dif_ce wlcore_sdio btbcm snd_soc_simple_card_utils cec kirin_drm bluetooth drm_kms_helper dw_drm_dsi rfkill drm fuse [ 129.786626] CPU: 1 PID: 1263 Comm: fallocate_stres Not tainted 5.4.41-rc1-00091-g132220af41e6 #1 [ 129.795601] Hardware name: HiKey Development Board (DT) [ 129.800940] pstate: 80000005 (Nzcv daif -PAN -UAO) [ 129.805847] pc : clear_page+0x10/0x24 [ 129.809594] lr : __cpu_clear_user_page+0xc/0x18 [ 129.814225] sp : ffff800012a1bbe0 [ 129.817609] x29: ffff800012a1bbe0 x28: fffffe00017d8000 [ 129.823039] x27: ffff000073070268 x26: ffff800011adf000 [ 129.828466] x25: ffff800011ae06c8 x24: 0000000000001000 [ 129.833893] x23: 0000000000000000 x22: fffffe00017d8000 [ 129.839320] x21: 0000000000000000 x20: 0000000006a00000 [ 129.844747] x19: ffff000037945400 x18: 0000000000000000 [ 129.850174] x17: 0000000000000000 x16: 0000000000000000 [ 129.855602] x15: 0000000000000000 x14: 0000000000000000 [ 129.861031] x13: 0000000000000000 x12: 0000000000000000 [ 129.866458] x11: 0000000000000000 x10: ffff800012a1bbd0 [ 129.871886] x9 : 0000000000000200 x8 : 0ffff00000010000 [ 129.877314] x7 : 0000000000000000 x6 : 0000000000000080 [ 129.882741] x5 : 0000000000000036 x4 : 0000020000200000 [ 129.888170] x3 : 0000000000004bc0 x2 : 0000000000000004 [ 129.893597] x1 : 0000000000000040 x0 : ffff00006772f000 [ 129.899025] Call trace: [ 129.901530] clear_page+0x10/0x24 [ 129.904926] clear_subpage+0x54/0x90 [ 129.908580] clear_huge_page+0x6c/0x208 [ 129.912503] hugetlbfs_fallocate+0x2e0/0x4a0 [ 129.916869] vfs_fallocate+0x1b8/0x2e0 [ 129.920699] ksys_fallocate+0x44/0x90 [ 129.924446] __arm64_sys_fallocate+0x1c/0x28 [ 129.928811] el0_svc_common.constprop.0+0x68/0x160 [ 129.933708] el0_svc_handler+0x20/0x80 [ 129.937539] el0_svc+0x8/0xc [ 129.940488] Code: d53b00e1 12000c21 d2800082 9ac12041 (d50b7420) [ 129.946719] ---[ end trace df98e92a449be749 ]--- [ 129.959274] note: fallocate_stres[1263] exited with preempt_count 1 ref: https://qa-reports.linaro.org/lkft/linux-stable-rc-5.4-oe/build/v5.4.40-91-g132220af41e6/testrun/1428986/log https://qa-reports.linaro.org/lkft/linux-stable-rc-5.4-oe/build/v5.4.40-91-g132220af41e6/testrun/1428986/ kernel config: https://builds.tuxbuild.com/SqvcoklXmvQsC70j6rfcgA/kernel.config -- Linaro LKFT https://lkft.linaro.org