drm/amdgpu: Prevent random memory access in FRU code

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Prevent random memory access in the FRU EEPROM code by passing the size of
the destination buffer to the reading routine, and reading no more than the
size of the buffer.

Cc: Kent Russell <kent.russell@amd.com>
Cc: Alex Deucher <Alexander.Deucher@amd.com>
Signed-off-by: Luben Tuikov <luben.tuikov@amd.com>
Acked-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
Reviewed-by: Kent Russell <kent.russell@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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Luben Tuikov 2022-02-03 19:48:24 -05:00 • committed by Alex Deucher

parent 3f3a24a0a3

commit 00b14ce075

1 changed files with 12 additions and 10 deletions

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drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c

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