Commit a2b45994 authored by Guchun Chen's avatar Guchun Chen Committed by Alex Deucher

drm/amdgpu: add check to avoid array bound issue

Sub_block_index can be passed from user level, so
add one check before accessing the array first to
prevent array index out of bound problem.
Signed-off-by: default avatarGuchun Chen <guchun.chen@amd.com>
Reviewed-by: default avatarTao Zhou <tao.zhou1@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 3c0b547d
...@@ -5978,6 +5978,9 @@ static int gfx_v9_0_ras_error_inject(struct amdgpu_device *adev, ...@@ -5978,6 +5978,9 @@ static int gfx_v9_0_ras_error_inject(struct amdgpu_device *adev,
if (adev->asic_type != CHIP_VEGA20) if (adev->asic_type != CHIP_VEGA20)
return -EINVAL; return -EINVAL;
if (info->head.sub_block_index >= ARRAY_SIZE(ras_gfx_subblocks))
return -EINVAL;
if (!ras_gfx_subblocks[info->head.sub_block_index].name) if (!ras_gfx_subblocks[info->head.sub_block_index].name)
return -EPERM; return -EPERM;
......
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