staging: kpc2000: Fix a stack information leak in kp2000_cdev_ioctl()

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The kp2000_regs struct has a 4 byte hole between ->hw_rev and ->ssid so
this could leak stack information to the user.  This patch just memsets
the whole struct to zero.

Fixes: 7dc7967fc3 ("staging: kpc2000: add initial set of Daktronics drivers")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Dan Carpenter 2019-04-30 13:35:05 +03:00 • committed by Greg Kroah-Hartman

parent 87232b827e

commit d687bdefba

1 changed files with 2 additions and 0 deletions

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drivers/staging/kpc2000/kpc2000/fileops.c

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