From: Andi Kleen <ak@suse.de>
Date: Mon, 10 Jul 2006 15:06:24 +0000 (+0200)
Subject: [PATCH] x86_64: Fix access check in ptrace compat
X-Git-Tag: v2.6.18-rc2~118
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2c87e2cd0b57f63c226cd51f55ccc36867541a24;p=pandora-kernel.git

[PATCH] x86_64: Fix access check in ptrace compat

We can't safely directly access an compat_alloc_user_space() pointer
with the siginfo copy functions. Bounce it through the stack.

Noticed by Al Viro using sparse

[ This was only added post 2.6.17, not in any released kernel ]

Cc: Al Viro <viro@ftp.linux.org.uk>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

Reading git-diff-tree failed