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=-5.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable 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 3D362C433DF for ; Thu, 9 Jul 2020 05:28:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 13FFA206A1 for ; Thu, 9 Jul 2020 05:28:21 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="p2zQgEeF" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726342AbgGIF2T (ORCPT ); Thu, 9 Jul 2020 01:28:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47796 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726064AbgGIF2S (ORCPT ); Thu, 9 Jul 2020 01:28:18 -0400 Received: from mail-lf1-x143.google.com (mail-lf1-x143.google.com [IPv6:2a00:1450:4864:20::143]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0524BC061A0B for ; Wed, 8 Jul 2020 22:28:18 -0700 (PDT) Received: by mail-lf1-x143.google.com with SMTP id t74so441105lff.2 for ; Wed, 08 Jul 2020 22:28:17 -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=ySh/t8XZUjOZrmEcXjkptrMTpbE4Je11LRVJDLN5IEE=; b=p2zQgEeF6kNJ77j+HMCUgTM+UoHtHIb5KA0OzCSlRnP3tlsY9L+xNSqno+croGPWAr aKoP83P1v2VvtGn+vQDVxQONzdNBliINjF4UZdVwV+LgOVvAEu2pQmk6eec/I4vJvi4Q x2volSWV2N2Bx/ZGnjpTlu79tad7d6ux3iF3Njc/w5R+HuZKI7QyuxVRdorSY35ZX3JK yXvu2ppwaWFPMJhd+/lutNhu2FpTtwum0Ti6HFjMSIUYxHYwKMpdHW3GEFhL6kznPhCa HV466S7gmBe2VYJfgv1duOZVEH9KsYsWluooEGCBy3kzhShNMkA9pVj4pp5C9N0wTvwy UCDQ== 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=ySh/t8XZUjOZrmEcXjkptrMTpbE4Je11LRVJDLN5IEE=; b=SJBlVKE0YcKsWSpOzbfKchLumCd3xl2M6hPgaj06uAAw/cd6sZ8SY3Eel+E2ugVYR4 ojo2oR6jswgTNSTkGrqLbJew+lSrEL/zjMWESj0vs9uwMkYZZL5yFqv7phUHq4QGv51+ lDRrutzMZ+/ufytdH2Me8D4PckT3Vmtb9ln8ODUJkeDylfJeE7M1cyIyulE4U38VgJAn tSYFcafTdaB+dC4MkoICVCflrfHRPY7nNBObRcH4CiJR7iupHodyfZ1mN/yLKdxByn+z QskmAf8/c3+wrzXbf/ETkXRfVEeFfZV0e1a0uqeQ0DqMraHBaxc579cxS1xqAxxFuPbr HgoA== X-Gm-Message-State: AOAM532s6926BU+AbBYPwrsdZ9CTmo47aV/kBB5zqO+ZjlIx4aA5HMBS pmiwFgmA+Ju6LQsPUHvIHoUPuKo3EQ8zY9Y+WKGc1w== X-Google-Smtp-Source: ABdhPJxwPQqJg6UTdhORivgztr+NJ/dO+PwFNFNn0RtE1ZcUTtMCahpJsDzAqvh5olNrlAm4yg+WFKdntd0GHJhRSTM= X-Received: by 2002:a05:6512:74f:: with SMTP id c15mr28440301lfs.26.1594272496260; Wed, 08 Jul 2020 22:28:16 -0700 (PDT) MIME-Version: 1.0 From: Naresh Kamboju Date: Thu, 9 Jul 2020 10:58:04 +0530 Message-ID: Subject: WARNING: at mm/mremap.c:211 move_page_tables in i386 To: linux- stable , open list , linux-mm Cc: Arnd Bergmann , Andrew Morton , Roman Gushchin , Michal Hocko , lkft-triage@lists.linaro.org, Chris Down , Linus Torvalds , Michel Lespinasse , Fan_Yang@sjtu.edu.cn, bgeffon@google.com, anshuman.khandual@arm.com, Will Deacon , Catalin Marinas , pugaowei@gmail.com, jglisse@redhat.com, Joel Fernandes , Greg Kroah-Hartman , Mel Gorman , Hugh Dickins , Al Viro , Tejun Heo , Sasha Levin Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org While running LTP mm test suite on i386 or qemu_i386 this kernel warning has been noticed from stable 5.4 to stable 5.7 branches and mainline 5.8.0-rc4 and linux next. metadata: git branch: master git repo: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git commit: dcb7fd82c75ee2d6e6f9d8cc71c52519ed52e258 kernel-config: https://builds.tuxbuild.com/zFkvGKyEbfYdZOMzwrbl-w/kernel.config vmlinux: https://builds.tuxbuild.com/zFkvGKyEbfYdZOMzwrbl-w/vmlinux.xz system.map: https://builds.tuxbuild.com/zFkvGKyEbfYdZOMzwrbl-w/System.map steps to reproduce: - boot i386 kernel or qemu_i386 device - cd /opt/ltp - ./runltp -f mm code snippet: file: mm/mremap.c #ifdef CONFIG_HAVE_MOVE_PMD static bool move_normal_pmd(struct vm_area_struct *vma, unsigned long old_addr, ... /* * The destination pmd shouldn't be established, free_pgtables() * should have release it. */ if (WARN_ON(!pmd_none(*new_pmd))) return false; ------------[ cut here ]------------ [ 720.642524] WARNING: CPU: 3 PID: 27091 at mm/mremap.c:211 move_page_tables+0x6ef/0x720 [ 720.650437] Modules linked in: x86_pkg_temp_thermal [ 720.655314] CPU: 3 PID: 27091 Comm: true Not tainted 5.8.0-rc4 #1 [ 720.661408] Hardware name: Supermicro SYS-5019S-ML/X11SSH-F, BIOS 2.0b 07/27/2017 [ 720.668886] EIP: move_page_tables+0x6ef/0x720 [ 720.673245] Code: 85 0c ff ff ff 8b 45 08 8b 4d d4 05 00 00 40 00 25 00 00 c0 ff 2b 45 08 39 c1 0f 46 c1 89 45 d4 01 f0 89 45 cc e9 d6 fa ff ff <0f> 0b 80 7d be 00 0f 84 80 fd ff ff e9 02 fe ff ff a8 80 0f 84 4d [ 720.691990] EAX: f3250bf8 EBX: f3250bfc ECX: 8c46a067 EDX: 000002fe [ 720.698249] ESI: bfc00000 EDI: f3250bf8 EBP: eea31dd4 ESP: eea31d74 [ 720.704514] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 EFLAGS: 00010282 [ 720.711353] CR0: 80050033 CR2: b7d9e3b0 CR3: 33250000 CR4: 003406d0 [ 720.717634] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000 [ 720.723952] DR6: fffe0ff0 DR7: 00000400 [ 720.727843] Call Trace: [ 720.730325] setup_arg_pages+0x22b/0x310 [ 720.734277] ? get_random_u32+0x49/0x70 [ 720.738167] ? get_random_u32+0x49/0x70 [ 720.742006] load_elf_binary+0x30e/0x10e0 [ 720.746019] __do_execve_file+0x4c3/0x9f0 [ 720.750031] __ia32_sys_execve+0x25/0x30 [ 720.753959] do_syscall_32_irqs_on+0x3d/0x250 [ 720.758317] ? do_user_addr_fault+0x1a0/0x3c0 [ 720.762701] ? __prepare_exit_to_usermode+0x50/0x1a0 [ 720.767703] ? prepare_exit_to_usermode+0x8/0x20 [ 720.772349] do_fast_syscall_32+0x39/0xb0 [ 720.776361] do_SYSENTER_32+0x15/0x20 [ 720.780028] entry_SYSENTER_32+0x9f/0xf2 [ 720.783951] EIP: 0xb7f1d549 [ 720.786741] Code: Bad RIP value. [ 720.789965] EAX: ffffffda EBX: bfbbc7c0 ECX: 08067420 EDX: bfbbc9f4 [ 720.796225] ESI: 08058a14 EDI: bfbbc7c9 EBP: bfbbc868 ESP: bfbbc798 [ 720.802489] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b EFLAGS: 00000292 [ 720.809276] ---[ end trace bc662e76cba2d081 ]--- [ 724.934902] ------------[ cut here ]------------ ------------[ cut here ]------------ [ 738.099993] WARNING: CPU: 1 PID: 29339 at mm/mremap.c:211 move_page_tables+0x6ef/0x720 [ 738.107928] Modules linked in: x86_pkg_temp_thermal [ 738.112860] CPU: 1 PID: 29339 Comm: true Tainted: G W 5.8.0-rc4 #1 [ 738.120374] Hardware name: Supermicro SYS-5019S-ML/X11SSH-F, BIOS 2.0b 07/27/2017 [ 738.127904] EIP: move_page_tables+0x6ef/0x720 [ 738.132316] Code: 85 0c ff ff ff 8b 45 08 8b 4d d4 05 00 00 40 00 25 00 00 c0 ff 2b 45 08 39 c1 0f 46 c1 89 45 d4 01 f0 89 45 cc e9 d6 fa ff ff <0f> 0b 80 7d be 00 0f 84 80 fd ff ff e9 02 fe ff ff a8 80 0f 84 4d [ 738.151112] EAX: e0f3bbf8 EBX: e0f3bbfc ECX: 8c4b8067 EDX: 000002fe [ 738.157422] ESI: bfc00000 EDI: e0f3bbf8 EBP: f3809dd4 ESP: f3809d74 [ 738.163756] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 EFLAGS: 00010282 [ 738.170587] CR0: 80050033 CR2: b7d9e3b0 CR3: 20f3b000 CR4: 003406d0 [ 738.176895] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000 [ 738.183179] DR6: fffe0ff0 DR7: 00000400 [ 738.187019] Call Trace: [ 738.189489] setup_arg_pages+0x22b/0x310 [ 738.193423] ? get_random_u32+0x49/0x70 [ 738.197280] ? get_random_u32+0x49/0x70 [ 738.201119] load_elf_binary+0x30e/0x10e0 [ 738.205159] __do_execve_file+0x4c3/0x9f0 [ 738.209198] __ia32_sys_execve+0x25/0x30 [ 738.213122] do_syscall_32_irqs_on+0x3d/0x250 [ 738.217484] ? do_user_addr_fault+0x1a0/0x3c0 [ 738.221841] ? __prepare_exit_to_usermode+0x50/0x1a0 [ 738.226808] ? prepare_exit_to_usermode+0x8/0x20 [ 738.231427] do_fast_syscall_32+0x39/0xb0 [ 738.235438] do_SYSENTER_32+0x15/0x20 [ 738.239107] entry_SYSENTER_32+0x9f/0xf2 [ 738.243030] EIP: 0xb7f1d549 [ 738.245830] Code: Bad RIP value. [ 738.249067] EAX: ffffffda EBX: bfbbc7c0 ECX: 08067420 EDX: bfbbc9f4 [ 738.255331] ESI: 08058a14 EDI: bfbbc7c9 EBP: bfbbc868 ESP: bfbbc798 [ 738.261595] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b EFLAGS: 00000292 [ 738.268382] ---[ end trace bc662e76cba2d083 ]--- [ 770.832465] true (1218) used greatest stack depth: 5252 bytes left [ 781.451530] ------------[ cut here ]------------ ------------[ cut here ]------------ [ 784.798244] WARNING: CPU: 3 PID: 3053 at mm/mremap.c:211 move_page_tables+0x6ef/0x720 [ 784.806090] Modules linked in: x86_pkg_temp_thermal [ 784.811007] CPU: 3 PID: 3053 Comm: true Tainted: G W 5.8.0-rc4 #1 [ 784.818449] Hardware name: Supermicro SYS-5019S-ML/X11SSH-F, BIOS 2.0b 07/27/2017 [ 784.825928] EIP: move_page_tables+0x6ef/0x720 [ 784.830341] Code: 85 0c ff ff ff 8b 45 08 8b 4d d4 05 00 00 40 00 25 00 00 c0 ff 2b 45 08 39 c1 0f 46 c1 89 45 d4 01 f0 89 45 cc e9 d6 fa ff ff <0f> 0b 80 7d be 00 0f 84 80 fd ff ff e9 02 fe ff ff a8 80 0f 84 4d [ 784.849138] EAX: e0663bf8 EBX: e0663bfc ECX: 8c463067 EDX: 000002fe [ 784.855456] ESI: bfc00000 EDI: e0663bf8 EBP: f3e39dd4 ESP: f3e39d74 [ 784.861750] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 EFLAGS: 00010282 [ 784.868532] CR0: 80050033 CR2: b7d9e3b0 CR3: 20663000 CR4: 003406d0 [ 784.874843] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000 [ 784.881160] DR6: fffe0ff0 DR7: 00000400 [ 784.885053] Call Trace: [ 784.887522] setup_arg_pages+0x22b/0x310 [ 784.891483] ? get_random_u32+0x49/0x70 [ 784.895347] ? get_random_u32+0x49/0x70 [ 784.899232] load_elf_binary+0x30e/0x10e0 [ 784.903295] __do_execve_file+0x4c3/0x9f0 [ 784.907359] __ia32_sys_execve+0x25/0x30 [ 784.911339] do_syscall_32_irqs_on+0x3d/0x250 [ 784.915750] ? do_user_addr_fault+0x1a0/0x3c0 [ 784.920161] ? __prepare_exit_to_usermode+0x50/0x1a0 [ 784.925180] ? prepare_exit_to_usermode+0x8/0x20 [ 784.929799] do_fast_syscall_32+0x39/0xb0 [ 784.933862] do_SYSENTER_32+0x15/0x20 [ 784.937580] entry_SYSENTER_32+0x9f/0xf2 [ 784.941557] EIP: 0xb7f1d549 [ 784.944399] Code: Bad RIP value. [ 784.947624] EAX: ffffffda EBX: bfbbc7c0 ECX: 08067420 EDX: bfbbc9f4 [ 784.953944] ESI: 08058a14 EDI: bfbbc7c9 EBP: bfbbc868 ESP: bfbbc798 [ 784.960261] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b EFLAGS: 00000292 [ 784.967097] ---[ end trace bc662e76cba2d085 ]--- [ 792.443236] ------------[ cut here ]------------ full test log, https://lkft.validation.linaro.org/scheduler/job/1541788#L9308 -- Linaro LKFT https://lkft.linaro.org 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=-5.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham 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 28702C433E0 for ; Thu, 9 Jul 2020 05:28:20 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id D182C206A1 for ; Thu, 9 Jul 2020 05:28:19 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="p2zQgEeF" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D182C206A1 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 4A4236B000A; Thu, 9 Jul 2020 01:28:19 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 42E806B000C; Thu, 9 Jul 2020 01:28:19 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 3041B6B000D; Thu, 9 Jul 2020 01:28:19 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0008.hostedemail.com [216.40.44.8]) by kanga.kvack.org (Postfix) with ESMTP id 156B06B000A for ; Thu, 9 Jul 2020 01:28:19 -0400 (EDT) Received: from smtpin30.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id BBAA91EE6 for ; Thu, 9 Jul 2020 05:28:18 +0000 (UTC) X-FDA: 77017406676.30.straw90_1d0ef5226ec3 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin30.hostedemail.com (Postfix) with ESMTP id 83C3D180B3C8E for ; Thu, 9 Jul 2020 05:28:18 +0000 (UTC) X-HE-Tag: straw90_1d0ef5226ec3 X-Filterd-Recvd-Size: 10519 Received: from mail-lf1-f68.google.com (mail-lf1-f68.google.com [209.85.167.68]) by imf13.hostedemail.com (Postfix) with ESMTP for ; Thu, 9 Jul 2020 05:28:17 +0000 (UTC) Received: by mail-lf1-f68.google.com with SMTP id m26so412001lfo.13 for ; Wed, 08 Jul 2020 22:28:17 -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=ySh/t8XZUjOZrmEcXjkptrMTpbE4Je11LRVJDLN5IEE=; b=p2zQgEeF6kNJ77j+HMCUgTM+UoHtHIb5KA0OzCSlRnP3tlsY9L+xNSqno+croGPWAr aKoP83P1v2VvtGn+vQDVxQONzdNBliINjF4UZdVwV+LgOVvAEu2pQmk6eec/I4vJvi4Q x2volSWV2N2Bx/ZGnjpTlu79tad7d6ux3iF3Njc/w5R+HuZKI7QyuxVRdorSY35ZX3JK yXvu2ppwaWFPMJhd+/lutNhu2FpTtwum0Ti6HFjMSIUYxHYwKMpdHW3GEFhL6kznPhCa HV466S7gmBe2VYJfgv1duOZVEH9KsYsWluooEGCBy3kzhShNMkA9pVj4pp5C9N0wTvwy UCDQ== 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=ySh/t8XZUjOZrmEcXjkptrMTpbE4Je11LRVJDLN5IEE=; b=orLdAZf8G40uGqyVoV9sjyikWBMB/cGOpdm1S6Ko/u2ylV6xdsz6N1Ku+K88hZkW02 scIsnFx1SVD7IhNiuIATyX1qAmpHT8zrsmzJPXHLJ5NeMuZgJq7+adkIR9dLVfrv96c7 Kh1vJG9pkLJmyFepCVkrzB1oBb4fc/48/Rq1B6/QIbowovLfFG8YrxSMWL0sLAJsg0YP CqaxNriRKVOkz9FVH1+5aomvglX6jL/Lt2gDWhZ6/Q8QhV2D1qWwi/GTUGTmpjwQJoFg v9K9Yu7VcAPDsaRyqRi3f99YZlAG+/ZH/jrEGFwYgq9CSpa72gf9gvUlZ7f1DAf2Jd9i P20g== X-Gm-Message-State: AOAM5317pwu2vS6SSLkyxIcy18QPU42fugSh1zR13DyZh94DW6L5qvfm zC8MaosKTX4YnpXbPJewry1apvqWb+PyaS/RA27IJg== X-Google-Smtp-Source: ABdhPJxwPQqJg6UTdhORivgztr+NJ/dO+PwFNFNn0RtE1ZcUTtMCahpJsDzAqvh5olNrlAm4yg+WFKdntd0GHJhRSTM= X-Received: by 2002:a05:6512:74f:: with SMTP id c15mr28440301lfs.26.1594272496260; Wed, 08 Jul 2020 22:28:16 -0700 (PDT) MIME-Version: 1.0 From: Naresh Kamboju Date: Thu, 9 Jul 2020 10:58:04 +0530 Message-ID: Subject: WARNING: at mm/mremap.c:211 move_page_tables in i386 To: linux- stable , open list , linux-mm Cc: Arnd Bergmann , Andrew Morton , Roman Gushchin , Michal Hocko , lkft-triage@lists.linaro.org, Chris Down , Linus Torvalds , Michel Lespinasse , Fan_Yang@sjtu.edu.cn, bgeffon@google.com, anshuman.khandual@arm.com, Will Deacon , Catalin Marinas , pugaowei@gmail.com, jglisse@redhat.com, Joel Fernandes , Greg Kroah-Hartman , Mel Gorman , Hugh Dickins , Al Viro , Tejun Heo , Sasha Levin Content-Type: text/plain; charset="UTF-8" X-Rspamd-Queue-Id: 83C3D180B3C8E X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam03 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: While running LTP mm test suite on i386 or qemu_i386 this kernel warning has been noticed from stable 5.4 to stable 5.7 branches and mainline 5.8.0-rc4 and linux next. metadata: git branch: master git repo: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git commit: dcb7fd82c75ee2d6e6f9d8cc71c52519ed52e258 kernel-config: https://builds.tuxbuild.com/zFkvGKyEbfYdZOMzwrbl-w/kernel.config vmlinux: https://builds.tuxbuild.com/zFkvGKyEbfYdZOMzwrbl-w/vmlinux.xz system.map: https://builds.tuxbuild.com/zFkvGKyEbfYdZOMzwrbl-w/System.map steps to reproduce: - boot i386 kernel or qemu_i386 device - cd /opt/ltp - ./runltp -f mm code snippet: file: mm/mremap.c #ifdef CONFIG_HAVE_MOVE_PMD static bool move_normal_pmd(struct vm_area_struct *vma, unsigned long old_addr, ... /* * The destination pmd shouldn't be established, free_pgtables() * should have release it. */ if (WARN_ON(!pmd_none(*new_pmd))) return false; ------------[ cut here ]------------ [ 720.642524] WARNING: CPU: 3 PID: 27091 at mm/mremap.c:211 move_page_tables+0x6ef/0x720 [ 720.650437] Modules linked in: x86_pkg_temp_thermal [ 720.655314] CPU: 3 PID: 27091 Comm: true Not tainted 5.8.0-rc4 #1 [ 720.661408] Hardware name: Supermicro SYS-5019S-ML/X11SSH-F, BIOS 2.0b 07/27/2017 [ 720.668886] EIP: move_page_tables+0x6ef/0x720 [ 720.673245] Code: 85 0c ff ff ff 8b 45 08 8b 4d d4 05 00 00 40 00 25 00 00 c0 ff 2b 45 08 39 c1 0f 46 c1 89 45 d4 01 f0 89 45 cc e9 d6 fa ff ff <0f> 0b 80 7d be 00 0f 84 80 fd ff ff e9 02 fe ff ff a8 80 0f 84 4d [ 720.691990] EAX: f3250bf8 EBX: f3250bfc ECX: 8c46a067 EDX: 000002fe [ 720.698249] ESI: bfc00000 EDI: f3250bf8 EBP: eea31dd4 ESP: eea31d74 [ 720.704514] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 EFLAGS: 00010282 [ 720.711353] CR0: 80050033 CR2: b7d9e3b0 CR3: 33250000 CR4: 003406d0 [ 720.717634] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000 [ 720.723952] DR6: fffe0ff0 DR7: 00000400 [ 720.727843] Call Trace: [ 720.730325] setup_arg_pages+0x22b/0x310 [ 720.734277] ? get_random_u32+0x49/0x70 [ 720.738167] ? get_random_u32+0x49/0x70 [ 720.742006] load_elf_binary+0x30e/0x10e0 [ 720.746019] __do_execve_file+0x4c3/0x9f0 [ 720.750031] __ia32_sys_execve+0x25/0x30 [ 720.753959] do_syscall_32_irqs_on+0x3d/0x250 [ 720.758317] ? do_user_addr_fault+0x1a0/0x3c0 [ 720.762701] ? __prepare_exit_to_usermode+0x50/0x1a0 [ 720.767703] ? prepare_exit_to_usermode+0x8/0x20 [ 720.772349] do_fast_syscall_32+0x39/0xb0 [ 720.776361] do_SYSENTER_32+0x15/0x20 [ 720.780028] entry_SYSENTER_32+0x9f/0xf2 [ 720.783951] EIP: 0xb7f1d549 [ 720.786741] Code: Bad RIP value. [ 720.789965] EAX: ffffffda EBX: bfbbc7c0 ECX: 08067420 EDX: bfbbc9f4 [ 720.796225] ESI: 08058a14 EDI: bfbbc7c9 EBP: bfbbc868 ESP: bfbbc798 [ 720.802489] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b EFLAGS: 00000292 [ 720.809276] ---[ end trace bc662e76cba2d081 ]--- [ 724.934902] ------------[ cut here ]------------ ------------[ cut here ]------------ [ 738.099993] WARNING: CPU: 1 PID: 29339 at mm/mremap.c:211 move_page_tables+0x6ef/0x720 [ 738.107928] Modules linked in: x86_pkg_temp_thermal [ 738.112860] CPU: 1 PID: 29339 Comm: true Tainted: G W 5.8.0-rc4 #1 [ 738.120374] Hardware name: Supermicro SYS-5019S-ML/X11SSH-F, BIOS 2.0b 07/27/2017 [ 738.127904] EIP: move_page_tables+0x6ef/0x720 [ 738.132316] Code: 85 0c ff ff ff 8b 45 08 8b 4d d4 05 00 00 40 00 25 00 00 c0 ff 2b 45 08 39 c1 0f 46 c1 89 45 d4 01 f0 89 45 cc e9 d6 fa ff ff <0f> 0b 80 7d be 00 0f 84 80 fd ff ff e9 02 fe ff ff a8 80 0f 84 4d [ 738.151112] EAX: e0f3bbf8 EBX: e0f3bbfc ECX: 8c4b8067 EDX: 000002fe [ 738.157422] ESI: bfc00000 EDI: e0f3bbf8 EBP: f3809dd4 ESP: f3809d74 [ 738.163756] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 EFLAGS: 00010282 [ 738.170587] CR0: 80050033 CR2: b7d9e3b0 CR3: 20f3b000 CR4: 003406d0 [ 738.176895] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000 [ 738.183179] DR6: fffe0ff0 DR7: 00000400 [ 738.187019] Call Trace: [ 738.189489] setup_arg_pages+0x22b/0x310 [ 738.193423] ? get_random_u32+0x49/0x70 [ 738.197280] ? get_random_u32+0x49/0x70 [ 738.201119] load_elf_binary+0x30e/0x10e0 [ 738.205159] __do_execve_file+0x4c3/0x9f0 [ 738.209198] __ia32_sys_execve+0x25/0x30 [ 738.213122] do_syscall_32_irqs_on+0x3d/0x250 [ 738.217484] ? do_user_addr_fault+0x1a0/0x3c0 [ 738.221841] ? __prepare_exit_to_usermode+0x50/0x1a0 [ 738.226808] ? prepare_exit_to_usermode+0x8/0x20 [ 738.231427] do_fast_syscall_32+0x39/0xb0 [ 738.235438] do_SYSENTER_32+0x15/0x20 [ 738.239107] entry_SYSENTER_32+0x9f/0xf2 [ 738.243030] EIP: 0xb7f1d549 [ 738.245830] Code: Bad RIP value. [ 738.249067] EAX: ffffffda EBX: bfbbc7c0 ECX: 08067420 EDX: bfbbc9f4 [ 738.255331] ESI: 08058a14 EDI: bfbbc7c9 EBP: bfbbc868 ESP: bfbbc798 [ 738.261595] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b EFLAGS: 00000292 [ 738.268382] ---[ end trace bc662e76cba2d083 ]--- [ 770.832465] true (1218) used greatest stack depth: 5252 bytes left [ 781.451530] ------------[ cut here ]------------ ------------[ cut here ]------------ [ 784.798244] WARNING: CPU: 3 PID: 3053 at mm/mremap.c:211 move_page_tables+0x6ef/0x720 [ 784.806090] Modules linked in: x86_pkg_temp_thermal [ 784.811007] CPU: 3 PID: 3053 Comm: true Tainted: G W 5.8.0-rc4 #1 [ 784.818449] Hardware name: Supermicro SYS-5019S-ML/X11SSH-F, BIOS 2.0b 07/27/2017 [ 784.825928] EIP: move_page_tables+0x6ef/0x720 [ 784.830341] Code: 85 0c ff ff ff 8b 45 08 8b 4d d4 05 00 00 40 00 25 00 00 c0 ff 2b 45 08 39 c1 0f 46 c1 89 45 d4 01 f0 89 45 cc e9 d6 fa ff ff <0f> 0b 80 7d be 00 0f 84 80 fd ff ff e9 02 fe ff ff a8 80 0f 84 4d [ 784.849138] EAX: e0663bf8 EBX: e0663bfc ECX: 8c463067 EDX: 000002fe [ 784.855456] ESI: bfc00000 EDI: e0663bf8 EBP: f3e39dd4 ESP: f3e39d74 [ 784.861750] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 EFLAGS: 00010282 [ 784.868532] CR0: 80050033 CR2: b7d9e3b0 CR3: 20663000 CR4: 003406d0 [ 784.874843] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000 [ 784.881160] DR6: fffe0ff0 DR7: 00000400 [ 784.885053] Call Trace: [ 784.887522] setup_arg_pages+0x22b/0x310 [ 784.891483] ? get_random_u32+0x49/0x70 [ 784.895347] ? get_random_u32+0x49/0x70 [ 784.899232] load_elf_binary+0x30e/0x10e0 [ 784.903295] __do_execve_file+0x4c3/0x9f0 [ 784.907359] __ia32_sys_execve+0x25/0x30 [ 784.911339] do_syscall_32_irqs_on+0x3d/0x250 [ 784.915750] ? do_user_addr_fault+0x1a0/0x3c0 [ 784.920161] ? __prepare_exit_to_usermode+0x50/0x1a0 [ 784.925180] ? prepare_exit_to_usermode+0x8/0x20 [ 784.929799] do_fast_syscall_32+0x39/0xb0 [ 784.933862] do_SYSENTER_32+0x15/0x20 [ 784.937580] entry_SYSENTER_32+0x9f/0xf2 [ 784.941557] EIP: 0xb7f1d549 [ 784.944399] Code: Bad RIP value. [ 784.947624] EAX: ffffffda EBX: bfbbc7c0 ECX: 08067420 EDX: bfbbc9f4 [ 784.953944] ESI: 08058a14 EDI: bfbbc7c9 EBP: bfbbc868 ESP: bfbbc798 [ 784.960261] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b EFLAGS: 00000292 [ 784.967097] ---[ end trace bc662e76cba2d085 ]--- [ 792.443236] ------------[ cut here ]------------ full test log, https://lkft.validation.linaro.org/scheduler/job/1541788#L9308 -- Linaro LKFT https://lkft.linaro.org