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C++: Allow source = sink in 'MustFlow'.

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This commit is contained in:
Mathias Vorreiter Pedersen
2023-11-07 09:18:34 +00:00
parent 1dc08941f8
commit 6bf2d47321
2 changed files with 14 additions and 1 deletions
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2
cpp/ql/lib/semmle/code/cpp/ir/dataflow/MustFlow.qll
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@@ -48,7 +48,7 @@ abstract class MustFlowConfiguration extends string {
*/
final predicate hasFlowPath(MustFlowPathNode source, MustFlowPathSink sink) {
this.isSource(source.getInstruction()) and
source.getASuccessor+() = sink
source.getASuccessor*() = sink
}
}

13
cpp/ql/test/query-tests/Security/CWE/CWE-457/semmle/tests/UninitializedLocal.expected
View File

@@ -1,4 +1,17 @@
| test.cpp:12:6:12:8 | foo | The variable $@ may not be initialized at this access. | test.cpp:11:6:11:8 | foo | foo |
| test.cpp:113:6:113:8 | foo | The variable $@ may not be initialized at this access. | test.cpp:111:6:111:8 | foo | foo |
| test.cpp:121:6:121:8 | foo | The variable $@ may not be initialized at this access. | test.cpp:119:6:119:8 | foo | foo |
| test.cpp:179:7:179:9 | foo | The variable $@ may not be initialized at this access. | test.cpp:177:7:177:9 | foo | foo |
| test.cpp:192:7:192:9 | foo | The variable $@ may not be initialized at this access. | test.cpp:190:7:190:9 | foo | foo |
| test.cpp:213:7:213:7 | x | The variable $@ may not be initialized at this access. | test.cpp:211:7:211:7 | x | x |
| test.cpp:219:3:219:3 | x | The variable $@ may not be initialized at this access. | test.cpp:218:7:218:7 | x | x |
| test.cpp:243:13:243:13 | i | The variable $@ may not be initialized at this access. | test.cpp:241:6:241:6 | i | i |
| test.cpp:336:10:336:10 | a | The variable $@ may not be initialized at this access. | test.cpp:333:7:333:7 | a | a |
| test.cpp:369:10:369:10 | a | The variable $@ may not be initialized at this access. | test.cpp:358:7:358:7 | a | a |
| test.cpp:378:9:378:11 | val | The variable $@ may not be initialized at this access. | test.cpp:359:6:359:8 | val | val |
| test.cpp:417:10:417:10 | j | The variable $@ may not be initialized at this access. | test.cpp:414:9:414:9 | j | j |
| test.cpp:436:9:436:9 | j | The variable $@ may not be initialized at this access. | test.cpp:431:9:431:9 | j | j |
| test.cpp:454:2:454:2 | x | The variable $@ may not be initialized at this access. | test.cpp:452:6:452:6 | x | x |
| test.cpp:460:7:460:7 | x | The variable $@ may not be initialized at this access. | test.cpp:458:6:458:6 | x | x |
| test.cpp:467:2:467:2 | x | The variable $@ may not be initialized at this access. | test.cpp:464:6:464:6 | x | x |
| test.cpp:474:7:474:7 | x | The variable $@ may not be initialized at this access. | test.cpp:471:6:471:6 | x | x |