Re: [PATCH v3] hdlcdrv: Fix divide by zero in hdlcdrv_ioctl
From: David Miller <davem@davemloft.net>
Date: 2017-05-27 22:46:03
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linux-hams, lkml
From: Firo Yang <redacted> 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 <redacted> Signed-off-by: Firo Yang <redacted>
Applied, thank you.