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| author | Alex Deucher <alexander.deucher@amd.com> | 2024-05-20 16:05:21 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-06-20 01:25:52 +0300 |
| commit | f0d576f840153392d04b2d52cf3adab8f62e8cb6 (patch) | |
| tree | f56a99f0fe85f9475f70836dd64662262ffe19cc /drivers/gpu/drm/amd | |
| parent | a498df5421fd737d11bfd152428ba6b1c8538321 (diff) | |
| download | linux-f0d576f840153392d04b2d52cf3adab8f62e8cb6.tar.xz | |
drm/amdgpu: fix UBSAN warning in kv_dpm.c
Adds bounds check for sumo_vid_mapping_entry.
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3392
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Diffstat (limited to 'drivers/gpu/drm/amd')
| -rw-r--r-- | drivers/gpu/drm/amd/pm/legacy-dpm/kv_dpm.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/pm/legacy-dpm/kv_dpm.c b/drivers/gpu/drm/amd/pm/legacy-dpm/kv_dpm.c index 6bb42d04b247..e8b6989a40f3 100644 --- a/drivers/gpu/drm/amd/pm/legacy-dpm/kv_dpm.c +++ b/drivers/gpu/drm/amd/pm/legacy-dpm/kv_dpm.c @@ -164,6 +164,8 @@ static void sumo_construct_vid_mapping_table(struct amdgpu_device *adev, for (i = 0; i < SUMO_MAX_HARDWARE_POWERLEVELS; i++) { if (table[i].ulSupportedSCLK != 0) { + if (table[i].usVoltageIndex >= SUMO_MAX_NUMBER_VOLTAGES) + continue; vid_mapping_table->entries[table[i].usVoltageIndex].vid_7bit = table[i].usVoltageID; vid_mapping_table->entries[table[i].usVoltageIndex].vid_2bit = |