From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Message-Id: <20130411202551.734104672@goodmis.org> Date: Thu, 11 Apr 2013 16:25:37 -0400 From: Steven Rostedt To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Kees Cook , Daniel Vetter Subject: [ 034/171 ] drm/i915: restrict kernel address leak in debugfs References: <20130411202503.783159048@goodmis.org> Content-Disposition: inline; filename=0034-drm-i915-restrict-kernel-address-leak-in-debugfs.patch Sender: linux-kernel-owner@vger.kernel.org List-ID: 3.6.11.2 stable review patch. If anyone has any objections, please let me know. ------------------ From: Kees Cook [ Upstream commit 2563a4524febe8f4a98e717e02436d1aaf672aa2 ] Masks kernel address info-leak in object dumps with the %pK suffix, so they cannot be used to target kernel memory corruption attacks if the kptr_restrict sysctl is set. Signed-off-by: Kees Cook Cc: stable@vger.kernel.org Signed-off-by: Daniel Vetter Signed-off-by: Steven Rostedt --- drivers/gpu/drm/i915/i915_debugfs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 359f6e8..956e9b7 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -121,7 +121,7 @@ static const char *cache_level_str(int type) static void describe_obj(struct seq_file *m, struct drm_i915_gem_object *obj) { - seq_printf(m, "%p: %s%s %8zdKiB %04x %04x %d %d%s%s%s", + seq_printf(m, "%pK: %s%s %8zdKiB %04x %04x %d %d%s%s%s", &obj->base, get_pin_flag(obj), get_tiling_flag(obj), -- 1.7.10.4