Re: KASAN: use-after-free Read in hiddev_disconnect

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To: Hillf Danton <hdanton@xxxxxxxx>
Subject: Re: KASAN: use-after-free Read in hiddev_disconnect
From: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Date: Mon, 27 Jan 2020 12:28:50 +0300
Cc: syzbot <syzbot+106b378813251e52fc5e@xxxxxxxxxxxxxxxxxxxxxxxxx>, andreyknvl@xxxxxxxxxx, benjamin.tissoires@xxxxxxxxxx, jikos@xxxxxxxxxx, linux-input@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-usb@xxxxxxxxxxxxxxx, syzkaller-bugs@xxxxxxxxxxxxxxxx
In-reply-to: <20200126024957.11392-1-hdanton@sina.com>
References: <0000000000004dbaf2059c193a36@google.com> <20200126024957.11392-1-hdanton@sina.com>
User-agent: Mutt/1.9.4 (2018-02-28)

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

Follow-Ups:
- Re: KASAN: use-after-free Read in hiddev_disconnect
  - From: Dmitry Vyukov
- Re: KASAN: use-after-free Read in hiddev_disconnect
  - From: Andrey Konovalov

References:
- KASAN: use-after-free Read in hiddev_disconnect
  - From: syzbot

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