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drm/amd/ras: 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 15:09:06 +08:00
committed by Alex Deucher
parent 3999aa4a04
commit df749c115f
1 changed files with 7 additions and 0 deletions
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7
drivers/gpu/drm/amd/ras/rascore/ras_eeprom.c
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@@ -1163,6 +1163,13 @@ static int __check_ras_table_status(struct ras_core_context *ras_core)
}
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) {
RAS_DEV_ERR(ras_core->dev,
"RAS header invalid, ras_fri: %u, first_rec_offset:0x%x",
control->ras_fri, hdr->first_rec_offset);
return -EINVAL;
}
return 0;
}