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(parent: 4cea877) | patch
fix minor infoleak in get_user_ex()
authorAl Viro <viro@ZenIV.linux.org.uk>
Thu, 15 Sep 2016 01:35:29 +0000 (02:35 +0100)
committerLinus Torvalds <torvalds@linux-foundation.org>
Thu, 15 Sep 2016 19:54:04 +0000 (12:54 -0700)
commit1c109fabbd51863475cd12ac206bdd249aee35af
tree2b4a8204e47e27945a8ec57c4abe146ece8fe1e1tree | snapshot (tar.gz zip)
parent4cea8776571b18db7485930cb422faa739580c8ccommit | diff
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>
arch/x86/include/asm/uaccess.h diff | blob | blame | history
Motorola kernel-slsi