drm/amdgpu: Fix even more out of bound writes from debugfs
commit 3f4e54bd upstream. CVE-2021-42327 was fixed by: commit f23750b5 Author: Thelford Williams <tdwilliamsiv@gmail.com> Date: Wed Oct 13 16:04:13 2021 -0400 drm/amdgpu: fix out of bounds write but amdgpu_dm_debugfs.c contains more of the same issue so fix the remaining ones. v2: * Add missing fix in dp_max_bpc_write (Harry Wentland) Fixes: 918698d5 ("drm/amd/display: Return the number of bytes parsed than allocated") Signed-off-by:Patrik Jakobsson <pjakobsson@suse.de> Reviewed-by:
Harry Wentland <harry.wentland@amd.com> Signed-off-by:
Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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