linux-kernel - [PATCH 1/6] drm/vc4: Use drm_free_large() on handles to match its allocation.

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Tue, 26 Jul 2016 13:47:10 -0700
From:	Eric Anholt <eric@...olt.net>
To:	dri-devel@...ts.freedesktop.org
Cc:	linux-kernel@...r.kernel.org, Eric Anholt <eric@...olt.net>,
	stable@...r.kernel.org
Subject: [PATCH 1/6] drm/vc4: Use drm_free_large() on handles to match its allocation.

If you managed to exceed the limit to switch to vmalloc, we'd use the
wrong free.

Signed-off-by: Eric Anholt <eric@...olt.net>
Fixes: d5b1a78a772f ("drm/vc4: Add support for drawing 3D frames.")
Cc: stable@...r.kernel.org
---
 drivers/gpu/drm/vc4/vc4_gem.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/vc4/vc4_gem.c b/drivers/gpu/drm/vc4/vc4_gem.c
index 46899d6de675..f9b13b54c86b 100644
--- a/drivers/gpu/drm/vc4/vc4_gem.c
+++ b/drivers/gpu/drm/vc4/vc4_gem.c
@@ -574,7 +574,7 @@ vc4_cl_lookup_bos(struct drm_device *dev,
 	spin_unlock(&file_priv->table_lock);
 
 fail:
-	kfree(handles);
+	drm_free_large(handles);
 	return 0;
 }
 
-- 
2.8.1