Yongjian Xu 1c2de820d6 char: Int overflow in lp_do_ioctl(). ...

arg comes from user-space, so int overflow may occur:
	LP_TIME(minor) = arg * HZ/100;

Reported-by: Yongjian Xu <xuyongjiande@gmail.com>
Suggested-by: Qixue Xiao <s2exqx@gmail.com>
Signed-off-by: Yu Chen <chyyuu@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2013-12-18 16:39:54 -08:00

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