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| author | Alex Deucher <alexander.deucher@amd.com> | 2026-03-05 01:25:30 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2026-03-17 19:19:04 +0300 |
| commit | cdb82ecbeccb55fae75a3c956b605f7801a30db1 (patch) | |
| tree | e4e2efe5e14e5b38a0bb011b36ee66b7043f4b6c /drivers/gpu | |
| parent | e5e6d67b1ce9764e67aef2d0eef9911af53ad99a (diff) | |
| download | linux-cdb82ecbeccb55fae75a3c956b605f7801a30db1.tar.xz | |
drm/amdgpu/mmhub3.0: 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 f14f27bbe2a3ed7af32d5f6eaf3f417139f45253)
Cc: stable@vger.kernel.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 7d5242df58a5..ab966e69a342 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 (amdgpu_ip_version(adev, 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; |