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,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 70CC5C433B4 for ; Mon, 17 May 2021 11:37:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4B24061242 for ; Mon, 17 May 2021 11:37:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236878AbhEQLin (ORCPT ); Mon, 17 May 2021 07:38:43 -0400 Received: from mail-io1-f72.google.com ([209.85.166.72]:35359 "EHLO mail-io1-f72.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236782AbhEQLii (ORCPT ); Mon, 17 May 2021 07:38:38 -0400 Received: by mail-io1-f72.google.com with SMTP id l2-20020a5e82020000b02903c2fa852f92so3104812iom.2 for ; Mon, 17 May 2021 04:37:22 -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=ZxlfFUA1ZFPdvmAdb7MpX2nnEcE+L+QT1GC1K9yFm58=; b=tc2qUXvE+nljXnqU4Rm/RXUz37koOkftfdYoDd3Pf4jYjfuUV7IurvDZNMtFhb8rO4 e+tq9pEvQojnB3bUvu0SO3Asndbea+7ytMAz9eX6m3vCD40Cpw3x4vteja12NnOE2vPz wTXha8PIBrKkzLbU6rv6xUdwblYEcPPsXOmjkFWRF3zKQvUmtun7i3y5+ly5lzUShDLr hH06lL1L1GsNpKt6x+/Jx2rgUWI345Hc/ec4B+H+pUuQhy7/29iWkrH/eJtj+pAlMIfb 3ZCuJdLRkWGZ5gKeyVAs8OtE7eI8y0oNFtSjFyx6JF26J6MRGF3aHEdbq0mZ1ndFhw41 /Krw== X-Gm-Message-State: AOAM532AYVLFKVcNV3Jgw61H9e0cXgiv7DDh0xUjFRDfjMiXLv7iSfoL 3aIj/Wqb9pC+QvYpO6AzmlybG/iQoxbcMirsD4cXS1VKJj1i X-Google-Smtp-Source: ABdhPJwEdhJwE49luVwPPf+MnA1aYmvj7uDIGctkI4Pos8O38NjTsCbcepQyqaVK7v/aLFRGi5k59wa5+7E6d8/X37fhVzxRN3Ws MIME-Version: 1.0 X-Received: by 2002:a05:6602:21d7:: with SMTP id c23mr20765311ioc.147.1621251442052; Mon, 17 May 2021 04:37:22 -0700 (PDT) Date: Mon, 17 May 2021 04:37:22 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000004b90e405c285040f@google.com> Subject: [syzbot] memory leak in zr364xx_start_readpipe From: syzbot To: linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, linux-usb@vger.kernel.org, mchehab@kernel.org, royale@zerezo.com, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Hello, syzbot found the following issue on: HEAD commit: d72cd4ad Merge tag 'scsi-misc' of git://git.kernel.org/pub.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=107c2b85d00000 kernel config: https://syzkaller.appspot.com/x/.config?x=337dc545ba10a406 dashboard link: https://syzkaller.appspot.com/bug?extid=af4fa391ef18efdd5f69 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1245a733d00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17f13de1d00000 IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+af4fa391ef18efdd5f69@syzkaller.appspotmail.com BUG: memory leak unreferenced object 0xffff8881112c1600 (size 192): comm "kworker/1:5", pid 8088, jiffies 4294943845 (age 8.070s) hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 18 16 2c 11 81 88 ff ff ..........,..... backtrace: [] kmalloc include/linux/slab.h:561 [inline] [] usb_alloc_urb+0x66/0xe0 drivers/usb/core/urb.c:74 [] zr364xx_start_readpipe+0x78/0x130 drivers/media/usb/zr364xx/zr364xx.c:1022 [] zr364xx_board_init drivers/media/usb/zr364xx/zr364xx.c:1383 [inline] [] zr364xx_probe+0x6a3/0x851 drivers/media/usb/zr364xx/zr364xx.c:1516 [] 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:3319 [] 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 --- 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