tree 2b4a8204e47e27945a8ec57c4abe146ece8fe1e1
parent 4cea8776571b18db7485930cb422faa739580c8c
author Al Viro <viro@ZenIV.linux.org.uk> 1473903329 +0100
committer Linus Torvalds <torvalds@linux-foundation.org> 1473969244 -0700

fix minor infoleak in get_user_ex()

get_user_ex(x, ptr) should zero x on failure.  It's not a lot of a leak
(at most we are leaking uninitialized 64bit value off the kernel stack,
and in a fairly constrained situation, at that), but the fix is trivial,
so...

Cc: stable@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
[ This sat in different branch from the uaccess fixes since mid-August ]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>