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Message-Id: <20170527.184558.961743025477428078.davem@davemloft.net> Date: Sat, 27 May 2017 18:45:58 -0400 (EDT) From: David Miller <davem@...emloft.net> To: firogm@...il.com Cc: alan@...ux.intel.com, t.sailer@...mni.ethz.ch, wharms@....de, andreyknvl@...gle.com, linux-hams@...r.kernel.org, gregkh@...uxfoundation.org, netdev@...r.kernel.org, thomas@...erried.de, javier@....samsung.com, dhowells@...hat.com, geliangtang@...il.com, linux-kernel@...r.kernel.org Subject: Re: [PATCH v3] hdlcdrv: Fix divide by zero in hdlcdrv_ioctl From: Firo Yang <firogm@...il.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@...gle.com> > Signed-off-by: Firo Yang <firogm@...il.com> Applied, thank you.
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