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Re: [PATCH v3] hdlcdrv: Fix divide by zero in hdlcdrv_ioctl

From	David Miller <davem@davemloft.net>
Newsgroups	linux.kernel
Subject	Re: [PATCH v3] hdlcdrv: Fix divide by zero in hdlcdrv_ioctl
Date	2017-05-28 00:50 +0200
Message-ID	<tLSGZ-1L7-3@gated-at.bofh.it> (permalink)
References	<tHMgN-7cr-3@gated-at.bofh.it> <tLoIV-77d-9@gated-at.bofh.it>
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From: Firo Yang <firogm@gmail.com>
Date: Fri, 26 May 2017 22:37:38 +0800

> syszkaller fuzzer triggered a divide by zero, when set calibration
> through ioctl().
> 
> To fix it, test 'bitrate' if it is negative or 0, just return -EINVAL.
> 
> Reported-by: Andrey Konovalov <andreyknvl@google.com>
> Signed-off-by: Firo Yang <firogm@gmail.com>

Applied, thank you.

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[PATCH v3] hdlcdrv: Fix divide by zero in hdlcdrv_ioctl Firo Yang <firogm@gmail.com> - 2017-05-26 16:50 +0200
  Re: [PATCH v3] hdlcdrv: Fix divide by zero in hdlcdrv_ioctl David Miller <davem@davemloft.net> - 2017-05-28 00:50 +0200

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