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=-8.7 required=3.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS 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 E1FFDC47080 for ; Mon, 24 May 2021 09:12:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D084F611CB for ; Mon, 24 May 2021 09:12:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232556AbhEXJOD (ORCPT ); Mon, 24 May 2021 05:14:03 -0400 Received: from mail-il1-f199.google.com ([209.85.166.199]:41531 "EHLO mail-il1-f199.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232495AbhEXJNy (ORCPT ); Mon, 24 May 2021 05:13:54 -0400 Received: by mail-il1-f199.google.com with SMTP id x13-20020a92d30d0000b02901bb45dfb5bfso31138440ila.8 for ; Mon, 24 May 2021 02:12:26 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:date:message-id:subject:from:to; bh=GdTdHL+KOqNvXgIJuSUdMeBeXmXHAEdVzZubUmSeKOY=; b=Ss37glxkaoFimIKeGiCLxdcEkEwp4GXmkFKPnU1D9q5Dl2wKGx0V1zV2aqedF7oJ4G CDqWCaIyj4gXxiEhq4ux3kZXR8m1N19ERnb2OEb9x091v30HGFfnIcDpFVoPCsfIr0mz 7e9NhOuHumV8johdQtenGvher4Y/DoxFKu0ToNrxOFdZ8XHUGxXB6pYH+Wo1juFWrEvc HMa8tH3DC8RrmxW/+mn3VfjMfUbh6FaHugGlON479lYZ3ke5mYjeGt6knPxI4iC0s/2r EkEmvXG54t+8od7/dxJgax919pLDXfHSAGjjgzlVgiWK2ITvL7mKDo+cBXJDGhIeb/TD bitg== X-Gm-Message-State: AOAM532q2Yv/1tRN0TNmKskobV5bOrZcfuJT40xwyTpkbGsCOTmpFjf+ I61VQm2awFtq+LPfUXqGMjuTjP7QuszK02pPhM8y3LBb0ZTi X-Google-Smtp-Source: ABdhPJzQ2nFNgotgVNBJm+iY42p8Zc/RBLk1WYDt33iJ8AYr/RQzL7GZl4Co4ETMgFwaTexg0CkQ6eDHIRkvUAuHgPYpdXZldHUh MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1d15:: with SMTP id i21mr15549466ila.2.1621847546108; Mon, 24 May 2021 02:12:26 -0700 (PDT) Date: Mon, 24 May 2021 02:12:26 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000dda06805c30fce63@google.com> Subject: [syzbot] memory leak in smsc75xx_bind From: syzbot To: davem@davemloft.net, kuba@kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, netdev@vger.kernel.org, steve.glendinning@shawell.net, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, syzbot found the following issue on: HEAD commit: 6ebb6814 Merge tag 'perf-urgent-2021-05-23' of git://git.k.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=1334afc7d00000 kernel config: https://syzkaller.appspot.com/x/.config?x=ae7b129a135ab06b dashboard link: https://syzkaller.appspot.com/bug?extid=b558506ba8165425fee2 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11ca4a35d00000 IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+b558506ba8165425fee2@syzkaller.appspotmail.com BUG: memory leak unreferenced object 0xffff888118ddde40 (size 192): comm "kworker/1:2", pid 1931, jiffies 4295045866 (age 18.790s) hex dump (first 32 bytes): 40 39 e7 18 81 88 ff ff 00 00 00 00 00 00 00 00 @9.............. 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [] kmalloc include/linux/slab.h:556 [inline] [] kzalloc include/linux/slab.h:686 [inline] [] smsc75xx_bind+0x7a/0x334 drivers/net/usb/smsc75xx.c:1460 [] usbnet_probe+0x3b6/0xc30 drivers/net/usb/usbnet.c:1728 [] usb_probe_interface+0x177/0x370 drivers/usb/core/driver.c:396 [] really_probe+0x159/0x500 drivers/base/dd.c:576 [] driver_probe_device+0x8b/0x100 drivers/base/dd.c:763 [] __device_attach_driver+0xf6/0x120 drivers/base/dd.c:870 [] bus_for_each_drv+0xb7/0x100 drivers/base/bus.c:431 [] __device_attach+0x122/0x260 drivers/base/dd.c:938 [] bus_probe_device+0xc6/0xe0 drivers/base/bus.c:491 [] device_add+0x5d5/0xd70 drivers/base/core.c:3320 [] usb_set_configuration+0x9d9/0xb90 drivers/usb/core/message.c:2164 [] usb_generic_driver_probe+0x8c/0xc0 drivers/usb/core/generic.c:238 [] usb_probe_device+0x5c/0x140 drivers/usb/core/driver.c:293 [] really_probe+0x159/0x500 drivers/base/dd.c:576 [] driver_probe_device+0x8b/0x100 drivers/base/dd.c:763 [] __device_attach_driver+0xf6/0x120 drivers/base/dd.c:870 BUG: memory leak unreferenced object 0xffff888113abcf00 (size 192): comm "kworker/1:1", pid 8586, jiffies 4295046670 (age 10.750s) hex dump (first 32 bytes): 40 69 0c 13 81 88 ff ff 00 00 00 00 00 00 00 00 @i.............. 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [] kmalloc include/linux/slab.h:556 [inline] [] kzalloc include/linux/slab.h:686 [inline] [] smsc75xx_bind+0x7a/0x334 drivers/net/usb/smsc75xx.c:1460 [] usbnet_probe+0x3b6/0xc30 drivers/net/usb/usbnet.c:1728 [] usb_probe_interface+0x177/0x370 drivers/usb/core/driver.c:396 [] really_probe+0x159/0x500 drivers/base/dd.c:576 [] driver_probe_device+0x8b/0x100 drivers/base/dd.c:763 [] __device_attach_driver+0xf6/0x120 drivers/base/dd.c:870 [] bus_for_each_drv+0xb7/0x100 drivers/base/bus.c:431 [] __device_attach+0x122/0x260 drivers/base/dd.c:938 [] bus_probe_device+0xc6/0xe0 drivers/base/bus.c:491 [] device_add+0x5d5/0xd70 drivers/base/core.c:3320 [] usb_set_configuration+0x9d9/0xb90 drivers/usb/core/message.c:2164 [] usb_generic_driver_probe+0x8c/0xc0 drivers/usb/core/generic.c:238 [] usb_probe_device+0x5c/0x140 drivers/usb/core/driver.c:293 [] really_probe+0x159/0x500 drivers/base/dd.c:576 [] driver_probe_device+0x8b/0x100 drivers/base/dd.c:763 [] __device_attach_driver+0xf6/0x120 drivers/base/dd.c:870 BUG: memory leak unreferenced object 0xffff888118ee1900 (size 192): comm "kworker/0:0", pid 8419, jiffies 4295046919 (age 8.260s) hex dump (first 32 bytes): 40 49 0a 19 81 88 ff ff 00 00 00 00 00 00 00 00 @I.............. 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [] kmalloc include/linux/slab.h:556 [inline] [] kzalloc include/linux/slab.h:686 [inline] [] smsc75xx_bind+0x7a/0x334 drivers/net/usb/smsc75xx.c:1460 [] usbnet_probe+0x3b6/0xc30 drivers/net/usb/usbnet.c:1728 [] usb_probe_interface+0x177/0x370 drivers/usb/core/driver.c:396 [] really_probe+0x159/0x500 drivers/base/dd.c:576 [] driver_probe_device+0x8b/0x100 drivers/base/dd.c:763 [] __device_attach_driver+0xf6/0x120 drivers/base/dd.c:870 [] bus_for_each_drv+0xb7/0x100 drivers/base/bus.c:431 [] __device_attach+0x122/0x260 drivers/base/dd.c:938 [] bus_probe_device+0xc6/0xe0 drivers/base/bus.c:491 [] device_add+0x5d5/0xd70 drivers/base/core.c:3320 [] usb_set_configuration+0x9d9/0xb90 drivers/usb/core/message.c:2164 [] usb_generic_driver_probe+0x8c/0xc0 drivers/usb/core/generic.c:238 [] usb_probe_device+0x5c/0x140 drivers/usb/core/driver.c:293 [] really_probe+0x159/0x500 drivers/base/dd.c:576 [] driver_probe_device+0x8b/0x100 drivers/base/dd.c:763 [] __device_attach_driver+0xf6/0x120 drivers/base/dd.c:870 --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. syzbot can test patches for this issue, for details see: https://goo.gl/tpsmEJ#testing-patches