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Merge pull request #9114 from AdamKorcz/fuzz24
Fuzzing: Add new and modify existing
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,59 @@ | ||
| //go:build gofuzz | ||
| // +build gofuzz | ||
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| /* | ||
| Copyright 2021 The Vitess Authors. | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
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| package fuzzing | ||
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| import ( | ||
| "vitess.io/vitess/go/vt/sqlparser" | ||
| ) | ||
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| // FuzzEqualsSQLNode implements the fuzzer | ||
| func FuzzEqualsSQLNode(data []byte) int { | ||
| if len(data) < 10 { | ||
| return 0 | ||
| } | ||
| if (len(data) % 2) != 0 { | ||
| return 0 | ||
| } | ||
| firstHalf := string(data[:len(data)/2]) | ||
| secondHalf := string(data[(len(data)/2)+1:]) | ||
| inA, err := sqlparser.Parse(firstHalf) | ||
| if err != nil { | ||
| return 0 | ||
| } | ||
| inB, err := sqlparser.Parse(secondHalf) | ||
| if err != nil { | ||
| return 0 | ||
| } | ||
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| // There are 3 targets in this fuzzer: | ||
| // 1) sqlparser.EqualsSQLNode | ||
| // 2) sqlparser.CloneSQLNode | ||
| // 3) sqlparser.VisitSQLNode | ||
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| // Target 1: | ||
| _ = sqlparser.EqualsSQLNode(inA, inB) | ||
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| // Target 2: | ||
| newSQLNode := sqlparser.CloneSQLNode(inA) | ||
| if !sqlparser.EqualsSQLNode(inA, newSQLNode) { | ||
| panic("These two nodes should be identical") | ||
| } | ||
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| // Target 3: | ||
| _ = sqlparser.VisitSQLNode(inA, func(node sqlparser.SQLNode) (bool, error) { return false, nil }) | ||
| return 1 | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,88 @@ | ||
| //go:build gofuzz | ||
| // +build gofuzz | ||
|
|
||
| /* | ||
| Copyright 2021 The Vitess Authors. | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
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| package fuzzing | ||
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| import ( | ||
| fuzz "github.com/AdaLogics/go-fuzz-headers" | ||
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| "vitess.io/vitess/go/vt/schema" | ||
| "vitess.io/vitess/go/vt/sqlparser" | ||
| ) | ||
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| // FuzzOnlineDDLFromCommentedStatement implements a fuzzer | ||
| // that targets schema.OnlineDDLFromCommentedStatement | ||
| func FuzzOnlineDDLFromCommentedStatement(data []byte) int { | ||
| stmt, err := sqlparser.Parse(string(data)) | ||
| if err != nil { | ||
| return 0 | ||
| } | ||
| onlineDDL, err := schema.OnlineDDLFromCommentedStatement(stmt) | ||
| if err != nil { | ||
| return 0 | ||
| } | ||
| _, _ = onlineDDL.GetAction() | ||
| _, _, _ = onlineDDL.GetActionStr() | ||
| _ = onlineDDL.GetGCUUID() | ||
| return 1 | ||
| } | ||
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| // FuzzNewOnlineDDLs implements a fuzzer that | ||
| // targets schema.NewOnlineDDLs | ||
| func FuzzNewOnlineDDLs(data []byte) int { | ||
| f := fuzz.NewConsumer(data) | ||
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| keyspace, err := f.GetString() | ||
| if err != nil { | ||
| return 0 | ||
| } | ||
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| ddlstmtString, err := f.GetString() | ||
| if err != nil { | ||
| return 0 | ||
| } | ||
| ddlStmt, _, err := schema.ParseOnlineDDLStatement(ddlstmtString) | ||
| if err != nil { | ||
| return 0 | ||
| } | ||
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| sql, err := f.GetString() | ||
| if err != nil { | ||
| return 0 | ||
| } | ||
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| ddlStrategySetting := &schema.DDLStrategySetting{} | ||
| err = f.GenerateStruct(ddlStrategySetting) | ||
| if err != nil { | ||
| return 0 | ||
| } | ||
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| requestContext, err := f.GetString() | ||
| if err != nil { | ||
| return 0 | ||
| } | ||
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| onlineDDLs, err := schema.NewOnlineDDLs(keyspace, sql, ddlStmt, ddlStrategySetting, requestContext) | ||
| if err != nil { | ||
| return 0 | ||
| } | ||
| for _, onlineDDL := range onlineDDLs { | ||
| _, _ = onlineDDL.GetAction() | ||
| _, _, _ = onlineDDL.GetActionStr() | ||
| _ = onlineDDL.GetGCUUID() | ||
| } | ||
| return 1 | ||
| } |
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