diff options
| author | Kees Cook <keescook@chromium.org> | 2013-03-11 12:25:19 -0700 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2013-03-13 21:31:02 +0100 |
| commit | 2563a4524febe8f4a98e717e02436d1aaf672aa2 (patch) | |
| tree | c53644549267616251aca9d5d669855b856d95de /drivers/gpu/drm/i915/i915_debugfs.c | |
| parent | f6161aa153581da4a3867a2d1a7caf4be19b6ec9 (diff) | |
drm/i915: restrict kernel address leak in debugfs
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 <keescook@chromium.org>
Cc: stable@vger.kernel.org
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_debugfs.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_debugfs.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index aae31489c89..7299ea45dd0 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -103,7 +103,7 @@ 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 %02x %02x %d %d %d%s%s%s", + seq_printf(m, "%pK: %s%s %8zdKiB %02x %02x %d %d %d%s%s%s", &obj->base, get_pin_flag(obj), get_tiling_flag(obj), |