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Change History

https://git.kernel.org/stable/c/01eb50e53c1ce505bf449348d433181310288765

https://git.kernel.org/stable/c/a9c047a5cf3135b8b66bd28fbe2c698b9cace0b3

In the Linux kernel, the following vulnerability has been resolved:

drm/amd/display: ASSERT when failing to find index by plane/stream id

[WHY]
find_disp_cfg_idx_by_plane_id and find_disp_cfg_idx_by_stream_id returns
an array index and they return -1 when not found; however, -1 is not a
valid index number.

[HOW]
When this happens, call ASSERT(), and return a positive number (which is
fewer than callers' array size) instead.

This fixes 4 OVERRUN and 2 NEGATIVE_RETURNS issues reported by Cover

kernel.org https://git.kernel.org/stable/c/01eb50e53c1ce505bf449348d433181310288765 [No types assigned]

kernel.org https://git.kernel.org/stable/c/a9c047a5cf3135b8b66bd28fbe2c698b9cace0b3 [No types assigned]