tree 55954839f7713011d9681f7626cfb5471d0a1d15
parent b8a4ddb2e8f44f872fb93bbda2d541b27079fd2b
author Vlad Tsyrklevich <vlad@tsyrklevich.net> 1476190967 +0200
committer David S. Miller <davem@davemloft.net> 1476368406 -0400

drivers/ptp: Fix kernel memory disclosure

The reserved field precise_offset->rsv is not cleared before being
copied to user space, leaking kernel stack memory. Clear the struct
before it's copied.

Signed-off-by: Vlad Tsyrklevich <vlad@tsyrklevich.net>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>