linux-kernel - Re: KASAN: use-after-free Read in hiddev

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Message-ID: <CAAeHK+wddN62F0JAVfma8aUHy4FtkfSViSQuXB1ESNjQXLSD0Q@mail.gmail.com>
Date:   Mon, 27 Jan 2020 13:28:55 +0100
From:   Andrey Konovalov <andreyknvl@...gle.com>
To:     Dan Carpenter <dan.carpenter@...cle.com>
Cc:     Hillf Danton <hdanton@...a.com>,
        syzbot <syzbot+106b378813251e52fc5e@...kaller.appspotmail.com>,
        Benjamin Tissoires <benjamin.tissoires@...hat.com>,
        Jiri Kosina <jikos@...nel.org>,
        "open list:HID CORE LAYER" <linux-input@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        USB list <linux-usb@...r.kernel.org>,
        syzkaller-bugs <syzkaller-bugs@...glegroups.com>
Subject: Re: KASAN: use-after-free Read in hiddev_disconnect

On Mon, Jan 27, 2020 at 10:29 AM Dan Carpenter <dan.carpenter@...cle.com> wrote:
>
> I already fixed this bug in an earlier thread.
>
> Syzbot always reports a use after free as two separate bugs, a read
> after free and a write after free.  It's too much hassle to mark all
> the duplicates.
>
> regards,
> dan carpenter
>
>

#syz dup: KASAN: use-after-free Write in hiddev_disconnect