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. Change-Id: I556fc560b44215848ba3a95f757febdf3d0af422 Signed-off-by: Guchun Chen <guchun.chen@xxxxxxx> --- drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c index 3e46cce60553..59c77b01c88a 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c @@ -5960,6 +5960,9 @@ static int gfx_v9_0_ras_error_inject(struct amdgpu_device *adev, if (adev->asic_type != CHIP_VEGA20) 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) return -EPERM; -- 2.17.1 _______________________________________________ amd-gfx mailing list amd-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/amd-gfx
