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=-5.4 required=3.0 tests=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 E1EF0C4CECD for ; Mon, 16 Sep 2019 18:49:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B5229218AE for ; Mon, 16 Sep 2019 18:49:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390587AbfIPStP (ORCPT ); Mon, 16 Sep 2019 14:49:15 -0400 Received: from mail-io1-f71.google.com ([209.85.166.71]:46236 "EHLO mail-io1-f71.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2390538AbfIPStO (ORCPT ); Mon, 16 Sep 2019 14:49:14 -0400 Received: by mail-io1-f71.google.com with SMTP id t11so1118618ioc.13 for ; Mon, 16 Sep 2019 11:49:12 -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=lsjoWdb29H1URgbvvIQ/akyCyj3dPalRUxcjRdE+WJI=; b=bHOmXZh1kozPnIQz+bNctYWjI2HvY7hJb9LIlM4Bf3CNPVcI8jwHgTHMvDO+8NpwWW zdyqwus0HSjzNsR4LCVbVHv+LNxO7TjoF8vCbKpTlkPsyJW373xrnDOPiFODX608PiaK wkncujw9wUzJZ0SmDl5LVZGeEl4CYTOXtnioWnMOpd/UzWQXpNruheSYFaCXuX0GlPRx elEYiLVLQM1y3v3/FnMxTpoF7QsZDUaSUHuWGIDsccd4lXOaCOfva6IIzhQNu6W41zZG Z8WtN05d5DhyfGm2pF5kL70zDM9LHpyvoUUlLFc3v41uoWJoVLaSQrdyoBAZUZJ9dBrH n5CA== X-Gm-Message-State: APjAAAUqLoALOzXRtsG+urPb0TVjWw/DY+SrPXI4rnVzdSFyqLwxsjTw 2OmSYn8PgaKCTTJag5xRTmjZpI9zuk2udS4YCaOY8FYSbaY0 X-Google-Smtp-Source: APXvYqx1UYU5N0W/RNEBgs0Cch57LChMYV1Z8DTow0KuDWXjhamCR1KvF8xqIbScKKolvajXRI7SO66tQqU4w0hi/L0MTA5NnrpC MIME-Version: 1.0 X-Received: by 2002:a5d:91c8:: with SMTP id k8mr84730ior.232.1568659751875; Mon, 16 Sep 2019 11:49:11 -0700 (PDT) Date: Mon, 16 Sep 2019 11:49:11 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000048baec0592b00f00@google.com> Subject: WARNING: ODEBUG bug in usbhid_probe From: syzbot To: andreyknvl@google.com, benjamin.tissoires@redhat.com, jikos@kernel.org, linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, syzbot found the following crash on: HEAD commit: f0df5c1b usb-fuzzer: main usb gadget fuzzer driver git tree: https://github.com/google/kasan.git usb-fuzzer console output: https://syzkaller.appspot.com/x/log.txt?x=14982e6e600000 kernel config: https://syzkaller.appspot.com/x/.config?x=5c6633fa4ed00be5 dashboard link: https://syzkaller.appspot.com/bug?extid=d534bb48eb6d94062cfa compiler: gcc (GCC) 9.0.0 20181231 (experimental) Unfortunately, I don't have any reproducer for this crash yet. IMPORTANT: if you fix the bug, please add the following tag to the commit: Reported-by: syzbot+d534bb48eb6d94062cfa@syzkaller.appspotmail.com usbhid 5-1:1.0: can't add hid device: -71 ------------[ cut here ]------------ ODEBUG: free active (active state 0) object type: timer_list hint: hid_retry_timeout+0x0/0xd0 drivers/hid/usbhid/hid-core.c:712 WARNING: CPU: 0 PID: 12 at lib/debugobjects.c:481 debug_print_object+0x160/0x250 lib/debugobjects.c:481 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 12 Comm: kworker/0:1 Not tainted 5.3.0-rc7+ #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: usb_hub_wq hub_event Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0xca/0x13e lib/dump_stack.c:113 panic+0x2a3/0x6da kernel/panic.c:219 __warn.cold+0x20/0x4a kernel/panic.c:576 report_bug+0x262/0x2a0 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:179 [inline] fixup_bug arch/x86/kernel/traps.c:174 [inline] do_error_trap+0x12b/0x1e0 arch/x86/kernel/traps.c:272 do_invalid_op+0x32/0x40 arch/x86/kernel/traps.c:291 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1028 RIP: 0010:debug_print_object+0x160/0x250 lib/debugobjects.c:481 Code: dd 40 f6 da 85 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 bf 00 00 00 48 8b 14 dd 40 f6 da 85 48 c7 c7 80 eb da 85 e8 25 c5 31 ff <0f> 0b 83 05 0b fc a7 05 01 48 83 c4 20 5b 5d 41 5c 41 5d c3 48 89 RSP: 0018:ffff8881da20f178 EFLAGS: 00010282 RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 RDX: 0000000000040000 RSI: ffffffff81288ddd RDI: ffffed103b441e21 RBP: 0000000000000001 R08: ffff8881da1f9800 R09: ffffed103b645d58 R10: ffffed103b645d57 R11: ffff8881db22eabf R12: ffffffff86d0dd60 R13: ffffffff812e7c20 R14: ffff8881cfebe8c8 R15: ffff8881d412fa80 __debug_check_no_obj_freed lib/debugobjects.c:963 [inline] debug_check_no_obj_freed+0x2df/0x443 lib/debugobjects.c:994 free_pages_prepare mm/page_alloc.c:1174 [inline] __free_pages_ok+0x222/0x1d70 mm/page_alloc.c:1420 usbhid_probe+0xcd1/0xfa0 drivers/hid/usbhid/hid-core.c:1395 usb_probe_interface+0x305/0x7a0 drivers/usb/core/driver.c:361 really_probe+0x281/0x6d0 drivers/base/dd.c:548 driver_probe_device+0x101/0x1b0 drivers/base/dd.c:721 __device_attach_driver+0x1c2/0x220 drivers/base/dd.c:828 bus_for_each_drv+0x162/0x1e0 drivers/base/bus.c:454 __device_attach+0x217/0x360 drivers/base/dd.c:894 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:514 device_add+0xae6/0x16f0 drivers/base/core.c:2165 usb_set_configuration+0xdf6/0x1670 drivers/usb/core/message.c:2023 generic_probe+0x9d/0xd5 drivers/usb/core/generic.c:210 usb_probe_device+0x99/0x100 drivers/usb/core/driver.c:266 really_probe+0x281/0x6d0 drivers/base/dd.c:548 driver_probe_device+0x101/0x1b0 drivers/base/dd.c:721 __device_attach_driver+0x1c2/0x220 drivers/base/dd.c:828 bus_for_each_drv+0x162/0x1e0 drivers/base/bus.c:454 __device_attach+0x217/0x360 drivers/base/dd.c:894 bus_probe_device+0x1e4/0x290 drivers/base/bus.c:514 device_add+0xae6/0x16f0 drivers/base/core.c:2165 usb_new_device.cold+0x6a4/0xe79 drivers/usb/core/hub.c:2536 hub_port_connect drivers/usb/core/hub.c:5098 [inline] hub_port_connect_change drivers/usb/core/hub.c:5213 [inline] port_event drivers/usb/core/hub.c:5359 [inline] hub_event+0x1b5c/0x3640 drivers/usb/core/hub.c:5441 process_one_work+0x92b/0x1530 kernel/workqueue.c:2269 process_scheduled_works kernel/workqueue.c:2331 [inline] worker_thread+0x7ab/0xe20 kernel/workqueue.c:2417 kthread+0x318/0x420 kernel/kthread.c:255 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352 Kernel Offset: disabled Rebooting in 86400 seconds.. --- This bug 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 bug report. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot.