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=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 4D361C7618B for ; Tue, 23 Jul 2019 12:48:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 215B420823 for ; Tue, 23 Jul 2019 12:48:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389926AbfGWMsM (ORCPT ); Tue, 23 Jul 2019 08:48:12 -0400 Received: from mail-io1-f69.google.com ([209.85.166.69]:38686 "EHLO mail-io1-f69.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389876AbfGWMsJ (ORCPT ); Tue, 23 Jul 2019 08:48:09 -0400 Received: by mail-io1-f69.google.com with SMTP id h4so47186131iol.5 for ; Tue, 23 Jul 2019 05:48:09 -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=t+YWD8TtbpdqccHCrrP62enFfLxTdbJeCf2c+ry+YR4=; b=Mh4Vv9JI7sEDSpqcsxxu8ddbxXZeJCDwSbV4iP/0X2yhaVZVrsHCuD/ZD+rPZOZEAz LjKcdHtJgPPS4TO6Rodx76l5xft3IKnD9H7Lj1tVXr2fMOOzCNZXs35ChVi3tG9nJaAa Pl7wIz5cNaNnZoAljpwDPtuZUEeG0c7XJnm/HslaZm5bupf821fvvQa/89Nh4q7n6v5I kidAlisE87K6T9juMV1iDhT4ssOiMZApnx4NsstFp6qzFNuA0QJuKKc8UptiN2aCdHen GQk2fJOTxtz4bjL/ymfbySyfA7Fh5mhgr8UhYU7zP6xnT1k0Hcr1Kzf6QTP/RyjUEA9a FG/g== X-Gm-Message-State: APjAAAXbD/xlvJ9OAMD9Lqsr68Wa+uRxrB2c1E55RrLv0dbg2kB15LWE zGKFqAEUjz4q1CG2RejNEcRGg9Sy0+j1U5mSnZWulWSV3Cke X-Google-Smtp-Source: APXvYqyJvgapzmep02x2R/yw6+ozhJuRJ8ynEeOBtTNPKbuYXM0yIdE5zzc69CYIQHIUAKHY/YxLcPWwRIFEhI3F+YRS2nPtyjFg MIME-Version: 1.0 X-Received: by 2002:a6b:6f09:: with SMTP id k9mr7633031ioc.223.1563886088898; Tue, 23 Jul 2019 05:48:08 -0700 (PDT) Date: Tue, 23 Jul 2019 05:48:08 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000cc4fbc058e589a10@google.com> Subject: WARNING: ODEBUG bug in smsusb_term_device From: syzbot To: andreyknvl@google.com, 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: 6a3599ce 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=14d4a74c600000 kernel config: https://syzkaller.appspot.com/x/.config?x=700ca426ab83faae dashboard link: https://syzkaller.appspot.com/bug?extid=25ddf1bb485cd9400ca4 compiler: gcc (GCC) 9.0.0 20181231 (experimental) syz repro: https://syzkaller.appspot.com/x/repro.syz?x=13fc4d34600000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13e7b678600000 IMPORTANT: if you fix the bug, please add the following tag to the commit: Reported-by: syzbot+25ddf1bb485cd9400ca4@syzkaller.appspotmail.com smsusb:smsusb_init_device: smscore_start_device(...) failed ------------[ cut here ]------------ ODEBUG: free active (active state 0) object type: work_struct hint: do_submit_urb+0x0/0x60 /drivers/media/usb/siano/smsusb.c:155 WARNING: CPU: 1 PID: 22 at lib/debugobjects.c:325 debug_print_object+0x160/0x250 /lib/debugobjects.c:325 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 22 Comm: kworker/1:1 Not tainted 5.2.0-rc6+ #15 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+0x292/0x6c9 /kernel/panic.c:219 __warn.cold+0x20/0x4b /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+0x14/0x20 /arch/x86/entry/entry_64.S:986 RIP: 0010:debug_print_object+0x160/0x250 /lib/debugobjects.c:325 Code: dd e0 16 ba 85 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 bf 00 00 00 48 8b 14 dd e0 16 ba 85 48 c7 c7 c0 0c ba 85 e8 db c7 33 ff <0f> 0b 83 05 03 6e 86 05 01 48 83 c4 20 5b 5d 41 5c 41 5d c3 48 89 RSP: 0018:ffff8881d9f8efb8 EFLAGS: 00010082 RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff8127ef3d RDI: ffffed103b3f1de9 RBP: 0000000000000001 R08: ffff8881d9f80000 R09: ffffed103b663ed7 R10: ffffed103b663ed6 R11: ffff8881db31f6b7 R12: ffffffff86ac9ea0 R13: ffffffff81187f60 R14: ffffffff88f0e3e8 R15: ffff8881cf581bc0 __debug_check_no_obj_freed /lib/debugobjects.c:785 [inline] debug_check_no_obj_freed+0x2a3/0x42e /lib/debugobjects.c:817 slab_free_hook /mm/slub.c:1418 [inline] slab_free_freelist_hook /mm/slub.c:1448 [inline] slab_free /mm/slub.c:2994 [inline] kfree+0x101/0x280 /mm/slub.c:3949 smsusb_term_device+0xc2/0x120 /drivers/media/usb/siano/smsusb.c:350 smsusb_init_device+0x987/0x9d5 /drivers/media/usb/siano/smsusb.c:487 smsusb_probe+0x986/0xa24 /drivers/media/usb/siano/smsusb.c:566 usb_probe_interface+0x305/0x7a0 /drivers/usb/core/driver.c:361 really_probe+0x281/0x660 /drivers/base/dd.c:509 driver_probe_device+0x104/0x210 /drivers/base/dd.c:670 __device_attach_driver+0x1c2/0x220 /drivers/base/dd.c:777 bus_for_each_drv+0x15c/0x1e0 /drivers/base/bus.c:454 __device_attach+0x217/0x360 /drivers/base/dd.c:843 bus_probe_device+0x1e4/0x290 /drivers/base/bus.c:514 device_add+0xae6/0x16f0 /drivers/base/core.c:2111 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+0x281/0x660 /drivers/base/dd.c:509 driver_probe_device+0x104/0x210 /drivers/base/dd.c:670 __device_attach_driver+0x1c2/0x220 /drivers/base/dd.c:777 bus_for_each_drv+0x15c/0x1e0 /drivers/base/bus.c:454 __device_attach+0x217/0x360 /drivers/base/dd.c:843 bus_probe_device+0x1e4/0x290 /drivers/base/bus.c:514 device_add+0xae6/0x16f0 /drivers/base/core.c:2111 usb_new_device.cold+0x6a4/0xe61 /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+0x1abd/0x3550 /drivers/usb/core/hub.c:5441 process_one_work+0x905/0x1570 /kernel/workqueue.c:2269 worker_thread+0x96/0xe20 /kernel/workqueue.c:2415 kthread+0x30b/0x410 /kernel/kthread.c:255 ret_from_fork+0x24/0x30 /arch/x86/entry/entry_64.S:352 ====================================================== --- 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. syzbot can test patches for this bug, for details see: https://goo.gl/tpsmEJ#testing-patches