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=-0.7 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,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 DE8F5C32789 for ; Wed, 7 Nov 2018 01:52:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A7D9B2086C for ; Wed, 7 Nov 2018 01:52:06 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A7D9B2086C Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389176AbeKGLUP (ORCPT ); Wed, 7 Nov 2018 06:20:15 -0500 Received: from mail-io1-f70.google.com ([209.85.166.70]:52778 "EHLO mail-io1-f70.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389123AbeKGLUP (ORCPT ); Wed, 7 Nov 2018 06:20:15 -0500 Received: by mail-io1-f70.google.com with SMTP id o8-v6so17577757iob.19 for ; Tue, 06 Nov 2018 17:52:04 -0800 (PST) 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=arY6G+OLX0YC5A8lAfczCtbVYd5Gc9+Ift/hcKfhPow=; b=hNnvtzWYb5+UshmmVcALcg5G1jPGt3nhYtdjJFMMKas5p2hAsCVmezP/eBas3W9mxl f87SzkP140NlfptPfXdi8LwLH+9FA3RTXEGDoyjF5ffsANPl+m/zfEW4oE6T5f78lO0g FqkDVpbY4yEhMP0SH4Y+CBAURXkfL+J/JWDhf3Xt7iYg1BgYprgCJhpTULyCRO7vqaMs 7WUc50IxF+GeSajyrhRo48DdE042K+jca212bMT9m8EAChgnpfPmYpljTcQFUUBLZ02K Tlf8MjT47d1OzrMUjkits14v3IAgcS0n43c4yXI2lO6HN3IpjWpQv27DgEWQjJU/KtTP zYIA== X-Gm-Message-State: AGRZ1gKymxRwkbUOVGseu3AZ22/kmh7xjVOpa7ynCNcpILleQVBRQhSK mJr2TH+spdFqbCDvE6pdwARAaWEfTWAiSNPnH1FHxGLU2YVh X-Google-Smtp-Source: AJdET5fZhG0AWQ5ah9kjq3+xS1S/YkxY3kknakxCl09R/ot/CTAP9yWU79KfQDGB3Z65W9qfgTKZLO9X66yqpL7bQwCU2JEKZj+e MIME-Version: 1.0 X-Received: by 2002:a24:1c88:: with SMTP id c130-v6mr180572itc.3.1541555523787; Tue, 06 Nov 2018 17:52:03 -0800 (PST) Date: Tue, 06 Nov 2018 17:52:03 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000065a79f057a095de8@google.com> Subject: WARNING in usb_submit_urb (4) From: syzbot To: Thinh.Nguyen@synopsys.com, felipe.balbi@linux.intel.com, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, shuah@kernel.org, stern@rowland.harvard.edu, 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: 163c8d54a997 compiler: remove __no_sanitize_address_or_inl.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=11af34b9400000 kernel config: https://syzkaller.appspot.com/x/.config?x=8f559fee2fc3375a dashboard link: https://syzkaller.appspot.com/bug?extid=7634edaea4d0b341c625 compiler: gcc (GCC) 8.0.1 20180413 (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+7634edaea4d0b341c625@syzkaller.appspotmail.com ------------[ cut here ]------------ URB 000000004ff98a65 submitted while active WARNING: CPU: 1 PID: 17 at drivers/usb/core/urb.c:363 usb_submit_urb+0x11cf/0x14e0 drivers/usb/core/urb.c:363 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 17 Comm: kworker/1:0 Not tainted 4.20.0-rc1+ #322 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events_power_efficient hub_init_func2 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x244/0x39d lib/dump_stack.c:113 panic+0x2ad/0x55c kernel/panic.c:188 __warn.cold.8+0x20/0x45 kernel/panic.c:540 report_bug+0x254/0x2d0 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:178 [inline] do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:271 do_invalid_op+0x36/0x40 arch/x86/kernel/traps.c:290 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:969 RIP: 0010:usb_submit_urb+0x11cf/0x14e0 drivers/usb/core/urb.c:363 Code: ee e8 c5 f1 7b fc 45 84 ed 0f 85 e2 f6 ff ff e8 e7 f0 7b fc 48 89 de 48 c7 c7 a0 21 92 88 c6 05 a6 bd 0d 05 01 e8 a1 52 45 fc <0f> 0b e9 c0 f6 ff ff c7 45 a0 01 00 00 00 e9 65 f7 ff ff 41 bc ed RSP: 0018:ffff8801d9b5f4f0 EFLAGS: 00010282 RAX: 0000000000000000 RBX: ffff8801cdf30000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff8165e9b5 RDI: 0000000000000005 RBP: ffff8801d9b5f560 R08: ffff8801d9b4c480 R09: ffffed003b5e5020 R10: ffffed003b5e5020 R11: ffff8801daf28107 R12: 00000000fffffff0 R13: 0000000000000000 R14: 0000000000000009 R15: ffff8801d9b5f6f8 hub_activate+0xcab/0x1940 drivers/usb/core/hub.c:1215 hub_init_func2+0x1e/0x30 drivers/usb/core/hub.c:1240 process_one_work+0xc90/0x1c40 kernel/workqueue.c:2153 worker_thread+0x17f/0x1390 kernel/workqueue.c:2296 kthread+0x35a/0x440 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 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#bug-status-tracking for how to communicate with syzbot.