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From:   Andrey Konovalov <andreyknvl@google.com>
Date:   Wed, 21 Aug 2019 16:08:13 +0200
Message-ID: <CAAeHK+wmpfkPEKOoYy-LgKw88DdVsEbyoRroRpcF8ygPp3oVWw@mail.gmail.com>
Subject: Re: WARNING in usbhid_raw_request/usb_submit_urb
To:     syzbot <syzbot+a7a6b9c609b9457c62c6@syzkaller.appspotmail.com>
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        "Gustavo A. R. Silva" <gustavo@embeddedor.com>,
        Hillf Danton <hdanton@sina.com>,
        LKML <linux-kernel@vger.kernel.org>,
        USB list <linux-usb@vger.kernel.org>,
        Oliver Neukum <oneukum@suse.com>,
        Alan Stern <stern@rowland.harvard.edu>,
        syzkaller-bugs <syzkaller-bugs@googlegroups.com>
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On Wed, Aug 21, 2019 at 3:09 PM syzbot
<syzbot+a7a6b9c609b9457c62c6@syzkaller.appspotmail.com> wrote:
>
> Hello,
>
> syzbot has tested the proposed patch and the reproducer did not trigger
> crash:
>
> Reported-and-tested-by:
> syzbot+a7a6b9c609b9457c62c6@syzkaller.appspotmail.com
>
> Tested on:
>
> commit:         7f7867ff usb-fuzzer: main usb gadget fuzzer driver
> git tree:       https://github.com/google/kasan.git
> kernel config:  https://syzkaller.appspot.com/x/.config?x=792eb47789f57810
> compiler:       gcc (GCC) 9.0.0 20181231 (experimental)
> patch:          https://syzkaller.appspot.com/x/patch.diff?x=140148ca600000
>
> Note: testing is done by a robot and is best-effort only.

Looks like the same bug:

#syz dup: general protection fault in __pm_runtime_resume