>From 517621b7060096e48e42f545fa6646fc00252eac Mon Sep 17 00:00:00 2001
From: Zack Rusin
Date: Wed, 10 Jan 2024 15:03:05 -0500
Subject: [PATCH] drm/vmwgfx: Fix possible null pointer derefence with invalid
contexts
vmw_context_cotable can return either an error or a null pointer and its
usage s
On Wed, Jan 10, 2024 at 10:03 PM Zack Rusin wrote:
>
> vmw_context_cotable can return either an error or a null pointer and its
> usage sometimes went unchecked. Subsequent code would then try to access
> either a null pointer or an error value.
>
> The invalid dereferences were only possible with
On 1/10/24 12:03, Zack Rusin wrote:
> vmw_context_cotable can return either an error or a null pointer and its
> usage sometimes went unchecked. Subsequent code would then try to access
> either a null pointer or an error value.
>
> The invalid dereferences were only possible with malformed usersp
vmw_context_cotable can return either an error or a null pointer and its
usage sometimes went unchecked. Subsequent code would then try to access
either a null pointer or an error value.
The invalid dereferences were only possible with malformed userspace
apps which never properly initialized the
