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From: <gregkh@linuxfoundation.org>
To: eric@anholt.net, gregkh@linuxfoundation.org
Cc: <stable@vger.kernel.org>, <stable-commits@vger.kernel.org>
Subject: Patch "drm/vc4: Use drm_free_large() on handles to match its allocation." has been added to the 4.7-stable tree
Date: Fri, 09 Sep 2016 18:07:24 +0200	[thread overview]
Message-ID: <1473437244137232@kroah.com> (raw)


This is a note to let you know that I've just added the patch titled

    drm/vc4: Use drm_free_large() on handles to match its allocation.

to the 4.7-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     drm-vc4-use-drm_free_large-on-handles-to-match-its-allocation.patch
and it can be found in the queue-4.7 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From d5fb46e0e3b7e49ee83ba92efc3ab4e1a545ecc1 Mon Sep 17 00:00:00 2001
From: Eric Anholt <eric@anholt.net>
Date: Tue, 26 Jul 2016 13:47:10 -0700
Subject: drm/vc4: Use drm_free_large() on handles to match its allocation.

From: Eric Anholt <eric@anholt.net>

commit d5fb46e0e3b7e49ee83ba92efc3ab4e1a545ecc1 upstream.

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

Signed-off-by: Eric Anholt <eric@anholt.net>
Fixes: d5b1a78a772f ("drm/vc4: Add support for drawing 3D frames.")
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/gpu/drm/vc4/vc4_gem.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- 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;
 }
 


Patches currently in stable-queue which might be from eric@anholt.net are

queue-4.7/drm-vc4-fix-oops-when-userspace-hands-in-a-bad-bo.patch
queue-4.7/drm-vc4-use-drm_free_large-on-handles-to-match-its-allocation.patch
queue-4.7/drm-vc4-fix-overflow-mem-unreferencing-when-the-binner-runs-dry.patch

                 reply	other threads:[~2016-09-09 16:07 UTC|newest]

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