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| author | Alex Deucher <alexander.deucher@amd.com> | 2026-03-05 01:25:30 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2026-03-25 13:06:05 +0300 |
| commit | 2a28ad57d12eb58d1b5efb278bfdc186d4b9a3f5 (patch) | |
| tree | 9c476c7ca5bb0ee04e82941ad4b99dc5700c30d3 /drivers/gpu | |
| parent | 46411902afd12f7ee159a04c6ef7e59bf36898c4 (diff) | |
| download | linux-2a28ad57d12eb58d1b5efb278bfdc186d4b9a3f5.tar.xz | |
drm/amdgpu/mmhub3.0: add bounds checking for cid
commit cdb82ecbeccb55fae75a3c956b605f7801a30db1 upstream.
The value should never exceed the array size as those
are the only values the hardware is expected to return,
but add checks anyway.
Reviewed-by: Benjamin Cheng <benjamin.cheng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit f14f27bbe2a3ed7af32d5f6eaf3f417139f45253)
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/mmhub_v3_0.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v3_0.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v3_0.c index 441379e91cfa..16d9712674a1 100644 --- a/drivers/gpu/drm/amd/amdgpu/mmhub_v3_0.c +++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v3_0.c @@ -110,7 +110,8 @@ mmhub_v3_0_print_l2_protection_fault_status(struct amdgpu_device *adev, switch (adev->ip_versions[MMHUB_HWIP][0]) { case IP_VERSION(3, 0, 0): case IP_VERSION(3, 0, 1): - mmhub_cid = mmhub_client_ids_v3_0_0[cid][rw]; + mmhub_cid = cid < ARRAY_SIZE(mmhub_client_ids_v3_0_0) ? + mmhub_client_ids_v3_0_0[cid][rw] : NULL; break; default: mmhub_cid = NULL; |