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=-7.5 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 06CEAC433E0 for ; Sun, 3 Jan 2021 18:27:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BCD05207C9 for ; Sun, 3 Jan 2021 18:27:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727705AbhACS1U (ORCPT ); Sun, 3 Jan 2021 13:27:20 -0500 Received: from mout.gmx.net ([212.227.17.20]:33295 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726166AbhACS1T (ORCPT ); Sun, 3 Jan 2021 13:27:19 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1609698337; bh=30c8Nz2pdY061qBdlzGzHHvV6i0JHqIlEL+CUOePJsU=; h=X-UI-Sender-Class:Subject:To:Cc:References:From:Date:In-Reply-To; b=buP6Q4kq4hsY6iRAboVYzG0632MZeAE02qvWKRrB0Z8xwGBAsb/Z0CY3ndcSBqPOV tTMiDN6lJ8js5QkmAakXmcgYCWK9EIlUJqfJ9PYFlTmHHD9KtEsw5tmes/ZywZc/f1 6ZHVOzoLBzxdidZgcQmRoMtl2Tewm8NMbJf/tx/A= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from [192.168.20.60] ([92.116.138.209]) by mail.gmx.com (mrgmx104 [212.227.17.168]) with ESMTPSA (Nemesis) id 1M26vB-1kyb2u2D3h-002UIG; Sun, 03 Jan 2021 19:25:37 +0100 Subject: Re: [proc/wchan] 30a3a19273: leaking-addresses.proc.wchan./proc/bus/input/devices:B:KEY=1000000000007ff980000000007fffebeffdfffeffffffffffffffffffffe To: kernel test robot Cc: 0day robot , LKML , lkp@lists.01.org, Alexey Dobriyan , Andrew Morton , linux-fsdevel@vger.kernel.org References: <20210103142726.GC30643@xsang-OptiPlex-9020> From: Helge Deller Autocrypt: addr=deller@gmx.de; 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Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.5.0 MIME-Version: 1.0 In-Reply-To: <20210103142726.GC30643@xsang-OptiPlex-9020> Content-Type: text/plain; charset=windows-1252 Content-Language: en-US Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:yUobJTBbhGcL6eC6tBdU6z/6yVb4cF4cE9WOS+Hf4W2X8AYhcp3 aUDuZMU3T+CHXPM6PwfKqcuFiPgpdw1emj11rpbZDSqHXfBu+cI2K8P68ap+symzTkKghUB fgiuiYO5LzopZA/Pfkc3B0Shf8Mq8rfsKhKMNKdPykeb2Di78mkI33X/lZwOSU74QfQV6yJ 7rmMY51lLBGLCF0E+rCaw== X-UI-Out-Filterresults: notjunk:1;V03:K0:/P6+xLUH+d4=:IWXh2VZH37C91x1KugjscD 7WyrHKvPayzrtQRdAR8IkBtZenvYsH5hVUB/yW8Y9m/ZkDADLDeWwfz6QbOQUvi+svKIr531k cD/lJ2F2BBC4OYbA6Ux7/Z+sZdAxgpTySxMXQ+Wm/ugkLXpeGNkQy5MOC/TMNGpy8VwJ5VIeH ey8s7Kt7cCX+CG5/7Qqv0tQCQpMAwBSysCgp8F50myU52dkRHWF3voIZ1P2BugnFtstdLk7FW qjhuENcl3Crr6kzXqkiiduo/RbzLSwzejFi6VolkjsBh3q7JKdWnH6g4zE+O+caGnRssSKjd5 SEYaJTUnZ8QgzT+TlLaoteWlbO7lt5/QeZVG7pQ/FEp0oGPZYqXI/885t39GjAYOR9R3SV4dH ZReWq6nY/ZzAu6htioyPcKmvEXyGxOV3yzDBVF3yz9GLBHhz7z151HdcaCH78SKS7EV3TWUoc DbcePAZrPgzY8qz3E22QJtdDGlSiTjwg/jx/OlHGKUCj3EKYOD0Vi5RcxHDK8wrGODYpM9c5X GXIz3N+dfca7GGzQnARwyGhHtF12pKjy5Z4IShLWkCbSH2kG9nisNPoqawjPh45Nq2hUGY9Kz g9GHZUAdDCsQvAMjY5jH4m0jdP6vittQj1Iw1bc+THk6cWgsf9bbSGdVi0mi4sALDEpBwChU3 9VQ2IfSt3KShgn0sXcMP4Qp37ZBz7DN2oBV2WqaXcIgSblELiq52rffx2lrB13HFGxXxlKaEx naLVmZCWswAx8fL3cMa06QLdBkoFypDvB+vl7yv3VW7GSVyXL1/VqYIYcGKaKd+zoKPwwcN9f oupRpXibCIBAeWl1C9CXQbMfhRMJpqPIvcVT2yUbQeEhcR4vQv3kVxSg8fc27TZCRiGBojDeG fAsgAq80Zc48ciUmK0Kw== Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org On 1/3/21 3:27 PM, kernel test robot wrote: > > Greeting, > > FYI, we noticed the following commit (built with gcc-9): > > commit: 30a3a192730a997bc4afff5765254175b6fb64f3 ("[PATCH] proc/wchan: U= se printk format instead of lookup_symbol_name()") > url: https://github.com/0day-ci/linux/commits/Helge-Deller/proc-wchan-Us= e-printk-format-instead-of-lookup_symbol_name/20201218-010048 > base: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git 09= 162bc32c880a791c6c0668ce0745cf7958f576 > > in testcase: leaking-addresses > version: leaking-addresses-x86_64-4f19048-1_20201111 > with following parameters: > > ucode: 0xde > > > > on test machine: 4 threads Intel(R) Core(TM) i7-7567U CPU @ 3.50GHz with= 32G memory > > caused below changes (please refer to attached dmesg/kmsg for entire log= /backtrace): I don't see anything wrong with the wchan patch (30a3a192730a997bc4afff576= 5254175b6fb64f3), or that it could have leaked anything. Maybe the kernel test robot picked up the wchan patch by mistake ? Helge > > If you fix the issue, kindly add following tag > Reported-by: kernel test robot > > 2021-01-01 01:52:25 ./leaking_addresses.pl --output-raw result/scan.out > 2021-01-01 01:52:49 ./leaking_addresses.pl --input-raw result/scan.out -= -squash-by-filename > > Total number of results from scan (incl dmesg): 156538 > > dmesg output: > [ 0.058490] mapped IOAPIC to ffffffffff5fb000 (fec00000) > > Results squashed by filename (excl dmesg). Displaying [ ], > [1 _error_injection_whitelist] 0xffffffffc0a254b0 > [25 __bug_table] 0xffffffffc01e0070 > [46 .orc_unwind_ip] 0xffffffffc009f3a0 > [6 __tracepoints_strings] 0xffffffffc027d7d0 > [50 .strtab] 0xffffffffc00b9b88 > [1 .rodata.cst16.mask2] 0xffffffffc00a70e0 > [1 key] 1000000000007 ff980000000007ff febeffdfffefffff fffffffffffffffe > [50 .note.Linux] 0xffffffffc009f024 > [41 .data] 0xffffffffc00a1000 > [6 .static_call.text] 0xffffffffc0274b44 > [1 _ftrace_eval_map] 0xffffffffc0a20148 > [10 .data.once] 0xffffffffc04475b4 > [7 .static_call_sites] 0xffffffffc0a22088 > [6 __tracepoints_ptrs] 0xffffffffc027d7bc > [7 .fixup] 0xffffffffc00852ea > [49 __mcount_loc] 0xffffffffc009f03c > [19 __param] 0xffffffffc009f378 > [38 .rodata.str1.8] 0xffffffffc009f170 > [1 ___srcu_struct_ptrs] 0xffffffffc0355000 > [14 .altinstr_replacement] 0xffffffffc04349ca > [154936 kallsyms] ffffffff81000000 T startup_64 > [50 .gnu.linkonce.this_module] 0xffffffffc00a1140 > [24 __ksymtab_strings] 0xffffffffc00e2048 > [31 .bss] 0xffffffffc00a1500 > [42 .rodata.str1.1] 0xffffffffc009f09c > [9 .init.rodata] 0xffffffffc00b8000 > [11 __ex_table] 0xffffffffc00bd128 > [14 .parainstructions] 0xffffffffc03b5d88 > [6 __tracepoints] 0xffffffffc02818c0 > [1 .rodata.cst16.mask1] 0xffffffffc00a70d0 > [18 __dyndbg] 0xffffffffc00a10c8 > [5 .altinstr_aux] 0xffffffffc0143a49 > [22 .smp_locks] 0xffffffffc009f094 > [2 .rodata.cst16.bswap_mask] 0xffffffffc005e070 > [40 .init.text] 0xffffffffc00b7000 > [4 .init.data] 0xffffffffc00e7000 > [10 .data..read_mostly] 0xffffffffc00a1100 > [14 .altinstructions] 0xffffffffc0446846 > [6 __bpf_raw_tp_map] 0xffffffffc0281720 > [50 .note.gnu.build-id] 0xffffffffc009f000 > [6 _ftrace_events] 0xffffffffc0281780 > [140 printk_formats] 0xffffffff82341767 : "CPU_ON" > [25 __jump_table] 0xffffffffc00a0000 > [37 .exit.text] 0xffffffffc009ec70 > [50 .text] 0xffffffffc009e000 > [35 .text.unlikely] 0xffffffffc009ebaf > [18 __ksymtab] 0xffffffffc00e203c > [46 .orc_unwind] 0xffffffffc009f544 > [1 .data..cacheline_aligned] 0xffffffffc081d8c0 > [2 .noinstr.text] 0xffffffffc04b8d00 > [1 uevent] KEY=3D1000000000007 ff980000000007ff febeffdfffefffff fffffff= ffffffffe > [50 modules] netconsole 20480 0 - Live 0xffffffffc00cb000 > [337 blacklist] 0xffffffff81c00880-0xffffffff81c008a0 asm_exc_overflow > [1 .rodata.cst32.byteshift_table] 0xffffffffc00a7100 > [2 wchan] 0xffffc9000000003c/proc/bus/input/devices: B: KEY=3D1000000000= 007 ff980000000007ff febeffdfffefffff fffffffffffffffe > [6 .ref.data] 0xffffffffc02817a0 > [14 __ksymtab_gpl] 0xffffffffc03b503c > [42 .rodata] 0xffffffffc009f2c0 > [50 .symtab] 0xffffffffc00b9000 > > > > To reproduce: > > git clone https://github.com/intel/lkp-tests.git > cd lkp-tests > bin/lkp install job.yaml # job file is attached in this email > bin/lkp run job.yaml > > > > Thanks, > Oliver Sang >