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=-10.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 A57ECC432C0 for ; Thu, 21 Nov 2019 20:52:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6129820672 for ; Thu, 21 Nov 2019 20:52:27 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="nYjw7Uiz" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726840AbfKUUw0 (ORCPT ); Thu, 21 Nov 2019 15:52:26 -0500 Received: from mail-pf1-f195.google.com ([209.85.210.195]:42450 "EHLO mail-pf1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726293AbfKUUwZ (ORCPT ); Thu, 21 Nov 2019 15:52:25 -0500 Received: by mail-pf1-f195.google.com with SMTP id s5so2329441pfh.9; Thu, 21 Nov 2019 12:52:25 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:cc:references:from:openpgp:autocrypt:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=9U2qqaFTNnfIBTOta2W1cA2dziggMNyD+HUy1loDO1g=; b=nYjw7Uiz0QUJnKMqYM73GeL/nLoBRnqaXqU8DHfnykpLqPidcGO8FwsfzyjH4yCdSE DhuY1INHupxSRdcDu/vXKx5H7LV2vJkcNSFtIC57K0S/+VydXpvaglWt7F9sU9wBV+ws 2uw5xKU3s6yiOZSTLWNcCndWy5AznenRaUcWHY7vhWQr7jsReUAPuwdsSVnQqN9K0sZ3 HVAXW9Nv1jkxBD5F56IFniIVUHn04YtIiVy45vKf+5zclo1UGVUmHzgh859lRSWq7NHa ymBCA1kvoQGbjpc5jljm6E1MG3gwrz4IG2ef9DBScP8HbjqsOl+ABdumZSZnfIRKtw2y tr6g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:openpgp:autocrypt :message-id:date:user-agent:mime-version:in-reply-to :content-language:content-transfer-encoding; bh=9U2qqaFTNnfIBTOta2W1cA2dziggMNyD+HUy1loDO1g=; b=YwEHUCSiamM5rIz73d93Jt0XJHK1kvTU29xBiDHwV0F8cLTCMNEsrpqI7sGtpdNzTw m/Qa/+IKhwsYbO2F/XEOcSli3iYhmlSJ6fXg+7UImGhrT6PSuuF7PHRbytdGBUobRTNb OqiCiVHl0LTgyVRQAuw6EZjTlioiUl6WSDyHuBkATRI+vKklBB0J06kq9npO+IYxjA/i zBvZpr5+Q9iPMV2AYdBmrxshvmW2+lloPoj92r3WvTua8Rq7NJXlHCjLThuSDziabN4C NcrKH6e4aVyQg4Ogp9GGBC0GqltaEHqC5jlRPib4AJKdcjbYtCbxM1Xc2Lpz8MU8N1Hk 4Kdw== X-Gm-Message-State: APjAAAXwLZeSlX/lBJHGcMnJRYW9reXs6ZKeNf/WLiJ6DPmtR+bZSh+Y IXhRVOm8jyD1Pur+kQtxPJA= X-Google-Smtp-Source: APXvYqyHrchtONXQoQmVbfSKMYMI1MDo9BkqRo9FOqVJDD6DMfOwkY7I3v4cwHDs/cWvqHFMnPOPTw== X-Received: by 2002:a63:184c:: with SMTP id 12mr5247366pgy.418.1574369544598; Thu, 21 Nov 2019 12:52:24 -0800 (PST) Received: from [10.67.50.53] ([192.19.223.252]) by smtp.googlemail.com with ESMTPSA id a29sm3887100pgd.12.2019.11.21.12.52.23 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 21 Nov 2019 12:52:23 -0800 (PST) Subject: Re: next/master bisection: boot on beaglebone-black To: "kernelci.org bot" , "David S. Miller" , tomeu.vizoso@collabora.com, guillaume.tucker@collabora.com, Jouni Hogander , broonie@kernel.org, khilman@baylibre.com, mgalka@collabora.com, enric.balletbo@collabora.com Cc: Eric Dumazet , linux-kernel@vger.kernel.org, Jiri Pirko , Andy Shevchenko , netdev@vger.kernel.org, Ido Schimmel , Wang Hai , YueHaibing References: <5dd6d7d2.1c69fb81.48b6f.33f2@mx.google.com> From: Florian Fainelli Openpgp: preference=signencrypt Autocrypt: addr=f.fainelli@gmail.com; prefer-encrypt=mutual; keydata= mQGiBEjPuBIRBACW9MxSJU9fvEOCTnRNqG/13rAGsj+vJqontvoDSNxRgmafP8d3nesnqPyR xGlkaOSDuu09rxuW+69Y2f1TzjFuGpBk4ysWOR85O2Nx8AJ6fYGCoeTbovrNlGT1M9obSFGQ X3IzRnWoqlfudjTO5TKoqkbOgpYqIo5n1QbEjCCwCwCg3DOH/4ug2AUUlcIT9/l3pGvoRJ0E AICDzi3l7pmC5IWn2n1mvP5247urtHFs/uusE827DDj3K8Upn2vYiOFMBhGsxAk6YKV6IP0d ZdWX6fqkJJlu9cSDvWtO1hXeHIfQIE/xcqvlRH783KrihLcsmnBqOiS6rJDO2x1eAgC8meAX SAgsrBhcgGl2Rl5gh/jkeA5ykwbxA/9u1eEuL70Qzt5APJmqVXR+kWvrqdBVPoUNy/tQ8mYc nzJJ63ng3tHhnwHXZOu8hL4nqwlYHRa9eeglXYhBqja4ZvIvCEqSmEukfivk+DlIgVoOAJbh qIWgvr3SIEuR6ayY3f5j0f2ejUMYlYYnKdiHXFlF9uXm1ELrb0YX4GMHz7QnRmxvcmlhbiBG YWluZWxsaSA8Zi5mYWluZWxsaUBnbWFpbC5jb20+iGYEExECACYCGyMGCwkIBwMCBBUCCAME FgIDAQIeAQIXgAUCVF/S8QUJHlwd3wAKCRBhV5kVtWN2DvCVAJ4u4/bPF4P3jxb4qEY8I2gS 6hG0gACffNWlqJ2T4wSSn+3o7CCZNd7SLSC5BA0ESM+4EhAQAL/o09boR9D3Vk1Tt7+gpYr3 WQ6hgYVON905q2ndEoA2J0dQxJNRw3snabHDDzQBAcqOvdi7YidfBVdKi0wxHhSuRBfuOppu pdXkb7zxuPQuSveCLqqZWRQ+Cc2QgF7SBqgznbe6Ngout5qXY5Dcagk9LqFNGhJQzUGHAsIs hap1f0B1PoUyUNeEInV98D8Xd/edM3mhO9nRpUXRK9Bvt4iEZUXGuVtZLT52nK6Wv2EZ1TiT OiqZlf1P+vxYLBx9eKmabPdm3yjalhY8yr1S1vL0gSA/C6W1o/TowdieF1rWN/MYHlkpyj9c Rpc281gAO0AP3V1G00YzBEdYyi0gaJbCEQnq8Vz1vDXFxHzyhgGz7umBsVKmYwZgA8DrrB0M oaP35wuGR3RJcaG30AnJpEDkBYHznI2apxdcuTPOHZyEilIRrBGzDwGtAhldzlBoBwE3Z3MY 31TOpACu1ZpNOMysZ6xiE35pWkwc0KYm4hJA5GFfmWSN6DniimW3pmdDIiw4Ifcx8b3mFrRO BbDIW13E51j9RjbO/nAaK9ndZ5LRO1B/8Fwat7bLzmsCiEXOJY7NNpIEpkoNoEUfCcZwmLrU +eOTPzaF6drw6ayewEi5yzPg3TAT6FV3oBsNg3xlwU0gPK3v6gYPX5w9+ovPZ1/qqNfOrbsE FRuiSVsZQ5s3AAMFD/9XjlnnVDh9GX/r/6hjmr4U9tEsM+VQXaVXqZuHKaSmojOLUCP/YVQo 7IiYaNssCS4FCPe4yrL4FJJfJAsbeyDykMN7wAnBcOkbZ9BPJPNCbqU6dowLOiy8AuTYQ48m vIyQ4Ijnb6GTrtxIUDQeOBNuQC/gyyx3nbL/lVlHbxr4tb6YkhkO6shjXhQh7nQb33FjGO4P WU11Nr9i/qoV8QCo12MQEo244RRA6VMud06y/E449rWZFSTwGqb0FS0seTcYNvxt8PB2izX+ HZA8SL54j479ubxhfuoTu5nXdtFYFj5Lj5x34LKPx7MpgAmj0H7SDhpFWF2FzcC1bjiW9mjW HaKaX23Awt97AqQZXegbfkJwX2Y53ufq8Np3e1542lh3/mpiGSilCsaTahEGrHK+lIusl6mz Joil+u3k01ofvJMK0ZdzGUZ/aPMZ16LofjFA+MNxWrZFrkYmiGdv+LG45zSlZyIvzSiG2lKy kuVag+IijCIom78P9jRtB1q1Q5lwZp2TLAJlz92DmFwBg1hyFzwDADjZ2nrDxKUiybXIgZp9 aU2d++ptEGCVJOfEW4qpWCCLPbOT7XBr+g/4H3qWbs3j/cDDq7LuVYIe+wchy/iXEJaQVeTC y5arMQorqTFWlEOgRA8OP47L9knl9i4xuR0euV6DChDrguup2aJVU4hPBBgRAgAPAhsMBQJU X9LxBQkeXB3fAAoJEGFXmRW1Y3YOj4UAn3nrFLPZekMeqX5aD/aq/dsbXSfyAKC45Go0YyxV HGuUuzv+GKZ6nsysJ7kCDQRXG8fwARAA6q/pqBi5PjHcOAUgk2/2LR5LjjesK50bCaD4JuNc YDhFR7Vs108diBtsho3w8WRd9viOqDrhLJTroVckkk74OY8r+3t1E0Dd4wHWHQZsAeUvOwDM PQMqTUBFuMi6ydzTZpFA2wBR9x6ofl8Ax+zaGBcFrRlQnhsuXLnM1uuvS39+pmzIjasZBP2H UPk5ifigXcpelKmj6iskP3c8QN6x6GjUSmYx+xUfs/GNVSU1XOZn61wgPDbgINJd/THGdqiO iJxCLuTMqlSsmh1+E1dSdfYkCb93R/0ZHvMKWlAx7MnaFgBfsG8FqNtZu3PCLfizyVYYjXbV WO1A23riZKqwrSJAATo5iTS65BuYxrFsFNPrf7TitM8E76BEBZk0OZBvZxMuOs6Z1qI8YKVK UrHVGFq3NbuPWCdRul9SX3VfOunr9Gv0GABnJ0ET+K7nspax0xqq7zgnM71QEaiaH17IFYGS sG34V7Wo3vyQzsk7qLf9Ajno0DhJ+VX43g8+AjxOMNVrGCt9RNXSBVpyv2AMTlWCdJ5KI6V4 KEzWM4HJm7QlNKE6RPoBxJVbSQLPd9St3h7mxLcne4l7NK9eNgNnneT7QZL8fL//s9K8Ns1W t60uQNYvbhKDG7+/yLcmJgjF74XkGvxCmTA1rW2bsUriM533nG9gAOUFQjURkwI8jvMAEQEA AYkCaAQYEQIACQUCVxvH8AIbAgIpCRBhV5kVtWN2DsFdIAQZAQIABgUCVxvH8AAKCRCH0Jac RAcHBIkHD/9nmfog7X2ZXMzL9ktT++7x+W/QBrSTCTmq8PK+69+INN1ZDOrY8uz6htfTLV9+ e2W6G8/7zIvODuHk7r+yQ585XbplgP0V5Xc8iBHdBgXbqnY5zBrcH+Q/oQ2STalEvaGHqNoD UGyLQ/fiKoLZTPMur57Fy1c9rTuKiSdMgnT0FPfWVDfpR2Ds0gpqWePlRuRGOoCln5GnREA/ 2MW2rWf+CO9kbIR+66j8b4RUJqIK3dWn9xbENh/aqxfonGTCZQ2zC4sLd25DQA4w1itPo+f5 V/SQxuhnlQkTOCdJ7b/mby/pNRz1lsLkjnXueLILj7gNjwTabZXYtL16z24qkDTI1x3g98R/ xunb3/fQwR8FY5/zRvXJq5us/nLvIvOmVwZFkwXc+AF+LSIajqQz9XbXeIP/BDjlBNXRZNdo dVuSU51ENcMcilPr2EUnqEAqeczsCGpnvRCLfVQeSZr2L9N4svNhhfPOEscYhhpHTh0VPyxI pPBNKq+byuYPMyk3nj814NKhImK0O4gTyCK9b+gZAVvQcYAXvSouCnTZeJRrNHJFTgTgu6E0 caxTGgc5zzQHeX67eMzrGomG3ZnIxmd1sAbgvJUDaD2GrYlulfwGWwWyTNbWRvMighVdPkSF 6XFgQaosWxkV0OELLy2N485YrTr2Uq64VKyxpncLh50e2RnyAJ9Za0Dx0yyp44iD1OvHtkEI M5kY0ACeNhCZJvZ5g4C2Lc9fcTHu8jxmEkI= Message-ID: <4e43ed85-139f-d23f-96d1-a50b9fc56780@gmail.com> Date: Thu, 21 Nov 2019 12:52:22 -0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.9.0 MIME-Version: 1.0 In-Reply-To: <5dd6d7d2.1c69fb81.48b6f.33f2@mx.google.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 11/21/19 10:30 AM, kernelci.org bot wrote: > * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * > * This automated bisection report was sent to you on the basis * > * that you may be involved with the breaking commit it has * > * found. No manual investigation has been done to verify it, * > * and the root cause of the problem may be somewhere else. * > * * > * If you do send a fix, please include this trailer: * > * Reported-by: "kernelci.org bot" * > * * > * Hope this helps! * > * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * > > next/master bisection: boot on beaglebone-black > > Summary: > Start: 9942eae47585 Add linux-next specific files for 20191121 > Details: https://kernelci.org/boot/id/5dd6696859b514303ecf550d > Plain log: https://storage.kernelci.org//next/master/next-20191121/arm/multi_v7_defconfig/gcc-8/lab-baylibre/boot-am335x-boneblack.txt > HTML log: https://storage.kernelci.org//next/master/next-20191121/arm/multi_v7_defconfig/gcc-8/lab-baylibre/boot-am335x-boneblack.html > Result: b8eb718348b8 net-sysfs: Fix reference count leak in rx|netdev_queue_add_kobject > > Checks: > revert: PASS > verify: PASS > > Parameters: > Tree: next > URL: git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git > Branch: master > Target: beaglebone-black > CPU arch: arm > Lab: lab-baylibre > Compiler: gcc-8 > Config: multi_v7_defconfig > Test suite: boot > > Breaking commit found: > > ------------------------------------------------------------------------------- > commit b8eb718348b8fb30b5a7d0a8fce26fb3f4ac741b > Author: Jouni Hogander > Date: Wed Nov 20 09:08:16 2019 +0200 > > net-sysfs: Fix reference count leak in rx|netdev_queue_add_kobject > > kobject_init_and_add takes reference even when it fails. This has > to be given up by the caller in error handling. Otherwise memory > allocated by kobject_init_and_add is never freed. Originally found > by Syzkaller: > > BUG: memory leak > unreferenced object 0xffff8880679f8b08 (size 8): > comm "netdev_register", pid 269, jiffies 4294693094 (age 12.132s) > hex dump (first 8 bytes): > 72 78 2d 30 00 36 20 d4 rx-0.6 . > backtrace: > [<000000008c93818e>] __kmalloc_track_caller+0x16e/0x290 > [<000000001f2e4e49>] kvasprintf+0xb1/0x140 > [<000000007f313394>] kvasprintf_const+0x56/0x160 > [<00000000aeca11c8>] kobject_set_name_vargs+0x5b/0x140 > [<0000000073a0367c>] kobject_init_and_add+0xd8/0x170 > [<0000000088838e4b>] net_rx_queue_update_kobjects+0x152/0x560 > [<000000006be5f104>] netdev_register_kobject+0x210/0x380 > [<00000000e31dab9d>] register_netdevice+0xa1b/0xf00 > [<00000000f68b2465>] __tun_chr_ioctl+0x20d5/0x3dd0 > [<000000004c50599f>] tun_chr_ioctl+0x2f/0x40 > [<00000000bbd4c317>] do_vfs_ioctl+0x1c7/0x1510 > [<00000000d4c59e8f>] ksys_ioctl+0x99/0xb0 > [<00000000946aea81>] __x64_sys_ioctl+0x78/0xb0 > [<0000000038d946e5>] do_syscall_64+0x16f/0x580 > [<00000000e0aa5d8f>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 > [<00000000285b3d1a>] 0xffffffffffffffff > > Cc: David Miller > Cc: Lukas Bulwahn > Signed-off-by: Jouni Hogander > Signed-off-by: David S. Miller This should be fixed by Eric's patch here: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/?id=48a322b6f9965b2f1e4ce81af972f0e287b07ed0 -- Florian