diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2026-03-05 01:25:09 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2026-03-17 19:18:58 +0300 |
| commit | e5e6d67b1ce9764e67aef2d0eef9911af53ad99a (patch) | |
| tree | 2ce87744f1942225ac6be89d4bba69bb79a6e32c /drivers/gpu | |
| parent | 5d4e88bcfef29569a1db224ef15e28c603666c6d (diff) | |
| download | linux-e5e6d67b1ce9764e67aef2d0eef9911af53ad99a.tar.xz | |
drm/amdgpu/mmhub3.0.2: add bounds checking for cid
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 1441f52c7f6ae6553664aa9e3e4562f6fc2fe8ea)
Cc: stable@vger.kernel.org
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/mmhub_v3_0_2.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v3_0_2.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v3_0_2.c index f0f182f033b9..e1f07f2a1852 100644 --- a/drivers/gpu/drm/amd/amdgpu/mmhub_v3_0_2.c +++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v3_0_2.c @@ -108,7 +108,8 @@ mmhub_v3_0_2_print_l2_protection_fault_status(struct amdgpu_device *adev, "MMVM_L2_PROTECTION_FAULT_STATUS:0x%08X\n", status); - mmhub_cid = mmhub_client_ids_v3_0_2[cid][rw]; + mmhub_cid = cid < ARRAY_SIZE(mmhub_client_ids_v3_0_2) ? + mmhub_client_ids_v3_0_2[cid][rw] : NULL; dev_err(adev->dev, "\t Faulty UTCL2 client ID: %s (0x%x)\n", mmhub_cid ? mmhub_cid : "unknown", cid); dev_err(adev->dev, "\t MORE_FAULTS: 0x%lx\n", |