Staging: gdm72xx: underflow bug in gdm_wimax_ioctl_get_data()
authorDan Carpenter <dan.carpenter@oracle.com>
Mon, 22 Feb 2016 19:33:09 +0000 (22:33 +0300)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 5 Mar 2016 22:48:04 +0000 (14:48 -0800)
commite0aa762cac39d18aa60938a3d1f7f6b42fcb2cdf
tree89aaadef1ad169777f0959eb722f8a76bbc6831d
parentdeb0b53bb52a0c53c43bf894b40630b414ec56fa
Staging: gdm72xx: underflow bug in gdm_wimax_ioctl_get_data()

"size" here should be unsigned, otherwise we might end up trying to copy
negative bytes in gdm_wimax_ioctl_get_data() resulting in an information
leak.

Reported-by: Alan Cox <gnomes@lxorguk.ukuu.org.uk>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/staging/gdm72xx/wm_ioctl.h