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

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Date:   Mon, 27 Jan 2020 18:11:35 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     Dmitry Vyukov <dvyukov@...gle.com>
Cc:     syzkaller <syzkaller@...glegroups.com>,
        Hillf Danton <hdanton@...a.com>,
        syzbot <syzbot+106b378813251e52fc5e@...kaller.appspotmail.com>,
        Andrey Konovalov <andreyknvl@...gle.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

One possible option would be to list the similar bugs at the start of
the bug report.

See also:

	KASAN: use-after-free Write in hiddev_disconnect
	https://syzkaller.appspot.com/bug?extid=784ccb935f9900cc7c9e

Then we could just copy and paste to the "#syz dup:" command.  The
bitmap_port_list() stuff was reported something like 15 times so it was
really complicated to track.  Hopefully if it were easier to mark things
as duplicate that would help.

regards,
dan carpenter