linux-kernel - Re: KASAN: slab-out-of-bounds Read in hfa384x_usbin

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Date:   Wed, 06 May 2020 10:53:46 +0200
From:   Oliver Neukum <oneukum@...e.com>
To:     syzbot <syzbot+7d42d68643a35f71ac8a@...kaller.appspotmail.com>,
        andreyknvl@...gle.com, devel@...verdev.osuosl.org,
        gregkh@...uxfoundation.org, linux-kernel@...r.kernel.org,
        linux-usb@...r.kernel.org, nishkadg.linux@...il.com,
        syzkaller-bugs@...glegroups.com
Subject: Re: KASAN: slab-out-of-bounds Read in hfa384x_usbin_callback

Am Freitag, den 20.03.2020, 12:28 -0700 schrieb syzbot:
> Hello,
> 
> syzbot found the following crash on:
> 
> HEAD commit:    e17994d1 usb: core: kcov: collect coverage from usb comple..
> git tree:       https://github.com/google/kasan.git usb-fuzzer
> console output: https://syzkaller.appspot.com/x/log.txt?x=11d74573e00000
> kernel config:  https://syzkaller.appspot.com/x/.config?x=5d64370c438bc60
> dashboard link: https://syzkaller.appspot.com/bug?extid=7d42d68643a35f71ac8a
> compiler:       gcc (GCC) 9.0.0 20181231 (experimental)
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=15fa561de00000
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=15d74573e00000
> 
> IMPORTANT: if you fix the bug, please add the following tag to the commit:
> Reported-by: syzbot+7d42d68643a35f71ac8a@...kaller.appspotmail.com
> 

Hi,

is this bug still active and can a test be run on it? I requested one
yesterday. If my analysis is correct this bug has security
implications, so it is kind of important.

	Regards
		Oliver