IMPORT INTO: invalid kv range when use global sort

[GMHDBJD]

Bug Report

Please answer these questions before submitting your issue. Thanks!

1. Minimal reproduce step (Required)

import into 200TB data with global sort

2. What did you expect to see? (Required)

import successfully

3. What did you see instead (Required)

[2025/02/26 10:28:15.265 +00:00] [WARN] [scheduler.go:453] ["generate part of subtasks failed"] [task-id=30001] [task-type=ImportInto] [allocated-slots=true] [error="invalid kv range, startKey: 74800000000000006a5f728000000001714882, endKey: 74800000000000006a5f7280000000003e0ab2"]

4. What is your TiDB version? (Required)

master