mirror-linux/drivers/gpu
Rob Clark 99343c46d4 drm/i915: Avoid potential vm use-after-free
Adding the vm to the vm_xa table makes it visible to userspace, which
could try to race with us to close the vm.  So we need to take our extra
reference before putting it in the table.

Signed-off-by: Rob Clark <robdclark@chromium.org>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Fixes: 9ec8795e7d ("drm/i915: Drop __rcu from gem_context->vm")
Cc: <stable@vger.kernel.org> # v5.16+
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230119173321.2825472-1-robdclark@gmail.com
2023-01-27 13:44:27 +00:00
..
drm drm/i915: Avoid potential vm use-after-free 2023-01-27 13:44:27 +00:00
host1x gpu: host1x: Staticize host1x_syncpt_fence_ops 2022-11-25 16:14:59 +01:00
ipu-v3 gpu: ipu-v3: common: Add of_node_put() for reference returned by of_graph_get_port_by_id() 2022-12-16 18:40:29 +01:00
trace
vga
Makefile