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drm/amdgpu: add first record offset check

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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>
This commit is contained in:
Gangliang Xie 2026-05-12 15:05:16 +08:00 committed by Alex Deucher
parent a99cd231cd
commit 4073cdf671
1 changed files with 8 additions and 0 deletions
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8
drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.c
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@ -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;