diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2024-05-20 16:11:45 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-06-27 14:49:12 +0300 |
| commit | 9e57611182a817824a17b1c3dd300ee74a174b42 (patch) | |
| tree | e672113a1add9fcd23982a1790889de84f725bad /drivers/gpu/drm | |
| parent | e7bda1f8ba8436266f7e49778009bf9995d1c801 (diff) | |
| download | linux-9e57611182a817824a17b1c3dd300ee74a174b42.tar.xz | |
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>
Diffstat (limited to 'drivers/gpu/drm')
| -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 d49c145db437..f7f1ddc6cdd8 100644 --- a/drivers/gpu/drm/radeon/sumo_dpm.c +++ b/drivers/gpu/drm/radeon/sumo_dpm.c @@ -1621,6 +1621,8 @@ 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 = |