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(parent: f6392b7) | patch
drm/vmwgfx: Type-check lookups of fence objects
authorThomas Hellstrom <thellstrom@vmware.com>
Mon, 27 Mar 2017 09:09:08 +0000 (11:09 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 12 Apr 2017 10:42:03 +0000 (12:42 +0200)
commit3622a033c41936bf8fbcca4faa7ffa75bb773158
tree70301f88d156993971aa578f80756292157b9527tree
parentf6392b77fb91b650eb9e470c142160857f10ed70commit | diff
drm/vmwgfx: Type-check lookups of fence objects

commit f7652afa8eadb416b23eb57dec6f158529942041 upstream.

A malicious caller could otherwise hand over handles to other objects
causing all sorts of interesting problems.

Testing done: Ran a Fedora 25 desktop using both Xorg and
gnome-shell/Wayland.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/gpu/drm/vmwgfx/vmwgfx_fence.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git