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| author | Gangliang Xie <ganglxie@amd.com> | 2026-05-12 15:05:16 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2026-05-19 11:52:53 -0400 |
| commit | 4073cdf6713b7c170e35bf055354580cc52085d6 (patch) | |
| tree | 9a5f4c6d2570dcd067144080b13271484974e056 /drivers/gpu/drm/amd/amdgpu | |
| parent | a99cd231cd924b7160fecb9fb3a94b801522323b (diff) | |
| download | lwn-4073cdf6713b7c170e35bf055354580cc52085d6.tar.gz lwn-4073cdf6713b7c170e35bf055354580cc52085d6.zip | |
drm/amdgpu: add first record offset check
check the upper and lower limits of first record offset
Signed-off-by: Gangliang Xie <ganglxie@amd.com>
Reviewed-by: Tao Zhou <tao.zhou1@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c index 5e35a6c14149..c61389a07982 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c @@ -1634,6 +1634,14 @@ int amdgpu_ras_eeprom_init(struct amdgpu_ras_eeprom_control *control) } control->ras_fri = RAS_OFFSET_TO_INDEX(control, hdr->first_rec_offset); + if (hdr->first_rec_offset < control->ras_record_offset || + control->ras_fri >= control->ras_max_record_count) { + dev_err(adev->dev, + "RAS header invalid, ras_fri: %u, first_rec_offset:0x%x", + control->ras_fri, hdr->first_rec_offset); + return -EINVAL; + } + control->ras_num_mca_recs = 0; control->ras_num_pa_recs = 0; return 0; |