diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2024-05-20 09:11:45 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-07-05 09:00:28 +0200 |
| commit | 07e8f15fa16695cf4c90e89854e59af4a760055b (patch) | |
| tree | 490883b9a138ac7cfa490da9c188d8201e14adb6 | |
| parent | 435ecc978c3d5d0c4e172ec5b956dc1904061d98 (diff) | |
drm/radeon: fix UBSAN warning in kv_dpm.c
commit a498df5421fd737d11bfd152428ba6b1c8538321 upstream.
Adds bounds check for sumo_vid_mapping_entry.
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/gpu/drm/radeon/sumo_dpm.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/sumo_dpm.c b/drivers/gpu/drm/radeon/sumo_dpm.c index b9dc3805d7fb..8769968b60bb 100644 --- a/drivers/gpu/drm/radeon/sumo_dpm.c +++ b/drivers/gpu/drm/radeon/sumo_dpm.c @@ -1622,6 +1622,8 @@ void sumo_construct_vid_mapping_table(struct radeon_device *rdev, 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 = |