Crash in infoschema.FormatTiDBVersion #39059
Description
Bug Report
We used the Fuzz engine to modify some Test(TestFormatVersion) data, and then the following crash appeared. We hope to get the help of the developer to confirm whether it is a real bug.
1. Minimal reproduce step (Required)
Simplified Test Code
infoschema.FormatTiDBVersion("5.7.2Delta;5-TiDB-", true)2. What did you expect to see? (Required)
Test Passed
3. What did you see instead (Required)
Crash Log
panic: runtime error: index out of range [0] with length 0 [recovered]
panic: runtime error: index out of range [0] with length 0
goroutine 125 [running]:
testing.tRunner.func1.2({0x373e4a0, 0xc0005bae70})
/home/gogen/.local/go/src/testing/testing.go:1209 +0x24e
testing.tRunner.func1()
/home/gogen/.local/go/src/testing/testing.go:1212 +0x218
panic({0x373e4a0, 0xc0005bae70})
/home/gogen/.local/go/src/runtime/panic.go:1038 +0x215
github.com/pingcap/tidb/infoschema.FormatTiDBVersion({0x3939818, 0x12}, 0x0)
/home/gogen/workspace/gowork/src/topproj/tidb/infoschema/tables.go:1615 +0x179
github.com/pingcap/tidb/infoschema_test.FuzzTestFormatVersion({0xc000436800, 0x22, 0x200})
/home/gogen/workspace/gowork/src/topproj/tidb/infoschema/tables_test.go_TestFormatVersion_test.go:27 +0x9b