drm/amdgpu: Fix even more out of bound writes from debugfs

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CVE-2021-42327 was fixed by:

commit f23750b5b3
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: 918698d5c2 ("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>

...

This commit is contained in:

Patrik Jakobsson 2021-10-27 16:27:30 +02:00 • committed by Alex Deucher

parent 58f8c7fa88

commit 839e59a343

1 changed files with 9 additions and 9 deletions

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18

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_debugfs.c

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