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Python: obtain remaining expected flows
 - implement encosing callable for more nodes - implement extra flow for ESSA global variables
1 parent 426b1da commit 47819bb

4 files changed

Lines changed: 199 additions & 30 deletions

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‎python/ql/src/experimental/dataflow/internal/DataFlowPrivate.qll‎

Lines changed: 49 additions & 29 deletions
Original file line numberDiff line numberDiff line change
@@ -28,6 +28,45 @@ abstract class PostUpdateNode extends Node {
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2929
class DataFlowExpr = Expr;
3030

31+
/**
32+
* Flow between ESSA variables.
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* This includes both local and global variables.
34+
* Flow comes from definitions, uses and refinements.
35+
*/
36+
// TODO: Consider constraining `nodeFrom` and `nodeTo` to be in the same scope.
37+
module EssaFlow {
38+
predicate essaFlowStep(Node nodeFrom, Node nodeTo) {
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// Definition
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// `x = f(42)`
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// nodeFrom is `f(42)`, cfg node
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// nodeTo is `x`, essa var
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nodeFrom.asCfgNode() = nodeTo.asEssaNode().getDefinition().(AssignmentDefinition).getValue()
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or
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// Use
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// `y = 42`
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// `x = f(y)`
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// nodeFrom is `y` on first line, essa var
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// nodeTo is `y` on second line, cfg node
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nodeFrom.asEssaNode().getAUse() = nodeTo.asCfgNode()
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or
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// Refinements
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exists(EssaEdgeRefinement r |
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nodeTo.asEssaNode() = r.getVariable() and
55+
nodeFrom.asEssaNode() = r.getInput()
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)
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or
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exists(EssaNodeRefinement r |
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nodeTo.asEssaNode() = r.getVariable() and
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nodeFrom.asEssaNode() = r.getInput()
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)
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or
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exists(PhiFunction p |
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nodeTo.asEssaNode() = p.getVariable() and
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nodeFrom.asEssaNode() = p.getShortCircuitInput()
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)
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}
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}
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3170
//--------
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// Local flow
3372
//--------
@@ -38,33 +77,7 @@ class DataFlowExpr = Expr;
3877
* excludes SSA flow through instance fields.
3978
*/
4079
predicate simpleLocalFlowStep(Node nodeFrom, Node nodeTo) {
41-
exists(EssaEdgeRefinement r |
42-
nodeTo.asEssaNode() = r.getVariable() and
43-
nodeFrom.asEssaNode() = r.getInput()
44-
)
45-
or
46-
exists(EssaNodeRefinement r |
47-
nodeTo.asEssaNode() = r.getVariable() and
48-
nodeFrom.asEssaNode() = r.getInput()
49-
)
50-
or
51-
exists(PhiFunction p |
52-
nodeTo.asEssaNode() = p.getVariable() and
53-
nodeFrom.asEssaNode() = p.getShortCircuitInput()
54-
)
55-
or
56-
// As in `taintedAssignment`
57-
// `x = f(42)`
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// nodeFrom is `f(42)`
59-
// nodeTo is any use of `x`
60-
nodeFrom.asCfgNode() = nodeTo.asEssaNode().getDefinition().(AssignmentDefinition).getValue()
61-
or
62-
// `def f(x):`
63-
// nodeFrom is control flow node for `x`
64-
// nodeTo is SSA variable for `x`
65-
nodeFrom.asCfgNode() = nodeTo.asEssaNode().(ParameterDefinition).getDefiningNode()
66-
or
67-
nodeFrom.asEssaNode().getAUse() = nodeTo.asCfgNode()
80+
EssaFlow::essaFlowStep(nodeFrom, nodeTo)
6881
}
6982

7083
// TODO: Make modules for these headings
@@ -145,7 +158,7 @@ class OutNode extends Node {
145158
cached
146159
DataFlowCall getCall(ReturnKind kind) {
147160
kind = TNormalReturnKind() and
148-
result = this.asCfgNode().(CallNode)
161+
result = this.asCfgNode()
149162
}
150163
}
151164

@@ -197,7 +210,14 @@ string ppReprType(DataFlowType t) { result = t.toString() }
197210
* taken into account.
198211
*/
199212
predicate jumpStep(ExprNode pred, ExprNode succ) {
200-
none()
213+
// As we have ESSA variables for global variables,
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// we include ESSA flow steps involving global variables.
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(
216+
pred.asEssaNode() instanceof GlobalSsaVariable
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or
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succ.asEssaNode() instanceof GlobalSsaVariable
219+
) and
220+
EssaFlow::essaFlowStep(pred, succ)
201221
}
202222

203223
//--------

‎python/ql/src/experimental/dataflow/internal/DataFlowPublic.qll‎

Lines changed: 3 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -49,7 +49,9 @@ class Node extends TNode {
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5050
/** Gets the enclosing callable of this node. */
5151
DataFlowCallable getEnclosingCallable() {
52-
none()
52+
result.getScope() = this.asCfgNode().getNode().getScope() // this allows Cfg -> ESSA def
53+
or
54+
result.getScope() = this.asEssaNode().getScope() // this allows ESSA var -> Cfg use
5355
}
5456

5557
/**

‎python/ql/test/experimental/dataflow/global.expected‎

Lines changed: 89 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -1,6 +1,95 @@
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| test.py:0:0:0:0 | GSSA Variable __name__ | test.py:0:0:0:0 | Exit node for Module test |
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| test.py:0:0:0:0 | GSSA Variable __name__ | test.py:7:1:7:1 | GSSA Variable b |
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| test.py:0:0:0:0 | GSSA Variable __name__ | test.py:7:5:7:20 | ControlFlowNode for obfuscated_id() |
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| test.py:0:0:0:0 | GSSA Variable __package__ | test.py:0:0:0:0 | Exit node for Module test |
5+
| test.py:0:0:0:0 | GSSA Variable __package__ | test.py:7:1:7:1 | GSSA Variable b |
6+
| test.py:0:0:0:0 | GSSA Variable __package__ | test.py:7:5:7:20 | ControlFlowNode for obfuscated_id() |
7+
| test.py:0:0:0:0 | GSSA Variable b | test.py:0:0:0:0 | Exit node for Module test |
8+
| test.py:0:0:0:0 | GSSA Variable b | test.py:7:1:7:1 | GSSA Variable b |
9+
| test.py:0:0:0:0 | GSSA Variable b | test.py:7:5:7:20 | ControlFlowNode for obfuscated_id() |
10+
| test.py:1:1:1:21 | ControlFlowNode for FunctionExpr | test.py:0:0:0:0 | Exit node for Module test |
11+
| test.py:1:1:1:21 | ControlFlowNode for FunctionExpr | test.py:1:5:1:17 | GSSA Variable obfuscated_id |
12+
| test.py:1:1:1:21 | ControlFlowNode for FunctionExpr | test.py:7:1:7:1 | GSSA Variable b |
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| test.py:1:1:1:21 | ControlFlowNode for FunctionExpr | test.py:7:5:7:17 | ControlFlowNode for obfuscated_id |
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| test.py:1:1:1:21 | ControlFlowNode for FunctionExpr | test.py:7:5:7:20 | ControlFlowNode for obfuscated_id() |
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| test.py:1:5:1:17 | GSSA Variable obfuscated_id | test.py:0:0:0:0 | Exit node for Module test |
16+
| test.py:1:5:1:17 | GSSA Variable obfuscated_id | test.py:7:1:7:1 | GSSA Variable b |
17+
| test.py:1:5:1:17 | GSSA Variable obfuscated_id | test.py:7:5:7:17 | ControlFlowNode for obfuscated_id |
18+
| test.py:1:5:1:17 | GSSA Variable obfuscated_id | test.py:7:5:7:20 | ControlFlowNode for obfuscated_id() |
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| test.py:1:19:1:19 | SSA variable x | test.py:0:0:0:0 | Exit node for Module test |
120
| test.py:1:19:1:19 | SSA variable x | test.py:1:1:1:21 | Exit node for Function obfuscated_id |
21+
| test.py:1:19:1:19 | SSA variable x | test.py:2:3:2:3 | SSA variable y |
222
| test.py:1:19:1:19 | SSA variable x | test.py:2:7:2:7 | ControlFlowNode for x |
23+
| test.py:1:19:1:19 | SSA variable x | test.py:3:3:3:3 | SSA variable z |
24+
| test.py:1:19:1:19 | SSA variable x | test.py:3:7:3:7 | ControlFlowNode for y |
25+
| test.py:1:19:1:19 | SSA variable x | test.py:4:10:4:10 | ControlFlowNode for z |
26+
| test.py:1:19:1:19 | SSA variable x | test.py:7:1:7:1 | GSSA Variable b |
27+
| test.py:1:19:1:19 | SSA variable x | test.py:7:5:7:20 | ControlFlowNode for obfuscated_id() |
28+
| test.py:2:3:2:3 | SSA variable y | test.py:0:0:0:0 | Exit node for Module test |
29+
| test.py:2:3:2:3 | SSA variable y | test.py:1:1:1:21 | Exit node for Function obfuscated_id |
30+
| test.py:2:3:2:3 | SSA variable y | test.py:3:3:3:3 | SSA variable z |
31+
| test.py:2:3:2:3 | SSA variable y | test.py:3:7:3:7 | ControlFlowNode for y |
32+
| test.py:2:3:2:3 | SSA variable y | test.py:4:10:4:10 | ControlFlowNode for z |
33+
| test.py:2:3:2:3 | SSA variable y | test.py:7:1:7:1 | GSSA Variable b |
34+
| test.py:2:3:2:3 | SSA variable y | test.py:7:5:7:20 | ControlFlowNode for obfuscated_id() |
35+
| test.py:2:7:2:7 | ControlFlowNode for x | test.py:0:0:0:0 | Exit node for Module test |
36+
| test.py:2:7:2:7 | ControlFlowNode for x | test.py:1:1:1:21 | Exit node for Function obfuscated_id |
37+
| test.py:2:7:2:7 | ControlFlowNode for x | test.py:2:3:2:3 | SSA variable y |
38+
| test.py:2:7:2:7 | ControlFlowNode for x | test.py:3:3:3:3 | SSA variable z |
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| test.py:2:7:2:7 | ControlFlowNode for x | test.py:3:7:3:7 | ControlFlowNode for y |
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| test.py:2:7:2:7 | ControlFlowNode for x | test.py:4:10:4:10 | ControlFlowNode for z |
41+
| test.py:2:7:2:7 | ControlFlowNode for x | test.py:7:1:7:1 | GSSA Variable b |
42+
| test.py:2:7:2:7 | ControlFlowNode for x | test.py:7:5:7:20 | ControlFlowNode for obfuscated_id() |
43+
| test.py:3:3:3:3 | SSA variable z | test.py:0:0:0:0 | Exit node for Module test |
44+
| test.py:3:3:3:3 | SSA variable z | test.py:1:1:1:21 | Exit node for Function obfuscated_id |
45+
| test.py:3:3:3:3 | SSA variable z | test.py:4:10:4:10 | ControlFlowNode for z |
46+
| test.py:3:3:3:3 | SSA variable z | test.py:7:1:7:1 | GSSA Variable b |
47+
| test.py:3:3:3:3 | SSA variable z | test.py:7:5:7:20 | ControlFlowNode for obfuscated_id() |
48+
| test.py:3:7:3:7 | ControlFlowNode for y | test.py:0:0:0:0 | Exit node for Module test |
49+
| test.py:3:7:3:7 | ControlFlowNode for y | test.py:1:1:1:21 | Exit node for Function obfuscated_id |
50+
| test.py:3:7:3:7 | ControlFlowNode for y | test.py:3:3:3:3 | SSA variable z |
51+
| test.py:3:7:3:7 | ControlFlowNode for y | test.py:4:10:4:10 | ControlFlowNode for z |
52+
| test.py:3:7:3:7 | ControlFlowNode for y | test.py:7:1:7:1 | GSSA Variable b |
53+
| test.py:3:7:3:7 | ControlFlowNode for y | test.py:7:5:7:20 | ControlFlowNode for obfuscated_id() |
54+
| test.py:4:10:4:10 | ControlFlowNode for z | test.py:0:0:0:0 | Exit node for Module test |
55+
| test.py:4:10:4:10 | ControlFlowNode for z | test.py:7:1:7:1 | GSSA Variable b |
356
| test.py:4:10:4:10 | ControlFlowNode for z | test.py:7:5:7:20 | ControlFlowNode for obfuscated_id() |
57+
| test.py:6:1:6:1 | GSSA Variable a | test.py:0:0:0:0 | Exit node for Module test |
58+
| test.py:6:1:6:1 | GSSA Variable a | test.py:1:1:1:21 | Exit node for Function obfuscated_id |
59+
| test.py:6:1:6:1 | GSSA Variable a | test.py:1:19:1:19 | SSA variable x |
60+
| test.py:6:1:6:1 | GSSA Variable a | test.py:2:3:2:3 | SSA variable y |
61+
| test.py:6:1:6:1 | GSSA Variable a | test.py:2:7:2:7 | ControlFlowNode for x |
62+
| test.py:6:1:6:1 | GSSA Variable a | test.py:3:3:3:3 | SSA variable z |
63+
| test.py:6:1:6:1 | GSSA Variable a | test.py:3:7:3:7 | ControlFlowNode for y |
64+
| test.py:6:1:6:1 | GSSA Variable a | test.py:4:10:4:10 | ControlFlowNode for z |
65+
| test.py:6:1:6:1 | GSSA Variable a | test.py:7:1:7:1 | GSSA Variable b |
66+
| test.py:6:1:6:1 | GSSA Variable a | test.py:7:5:7:20 | ControlFlowNode for obfuscated_id() |
67+
| test.py:6:1:6:1 | GSSA Variable a | test.py:7:5:7:20 | GSSA Variable a |
68+
| test.py:6:1:6:1 | GSSA Variable a | test.py:7:19:7:19 | ControlFlowNode for a |
69+
| test.py:6:5:6:6 | ControlFlowNode for IntegerLiteral | test.py:0:0:0:0 | Exit node for Module test |
70+
| test.py:6:5:6:6 | ControlFlowNode for IntegerLiteral | test.py:1:1:1:21 | Exit node for Function obfuscated_id |
71+
| test.py:6:5:6:6 | ControlFlowNode for IntegerLiteral | test.py:1:19:1:19 | SSA variable x |
72+
| test.py:6:5:6:6 | ControlFlowNode for IntegerLiteral | test.py:2:3:2:3 | SSA variable y |
73+
| test.py:6:5:6:6 | ControlFlowNode for IntegerLiteral | test.py:2:7:2:7 | ControlFlowNode for x |
74+
| test.py:6:5:6:6 | ControlFlowNode for IntegerLiteral | test.py:3:3:3:3 | SSA variable z |
75+
| test.py:6:5:6:6 | ControlFlowNode for IntegerLiteral | test.py:3:7:3:7 | ControlFlowNode for y |
76+
| test.py:6:5:6:6 | ControlFlowNode for IntegerLiteral | test.py:4:10:4:10 | ControlFlowNode for z |
77+
| test.py:6:5:6:6 | ControlFlowNode for IntegerLiteral | test.py:6:1:6:1 | GSSA Variable a |
78+
| test.py:6:5:6:6 | ControlFlowNode for IntegerLiteral | test.py:7:1:7:1 | GSSA Variable b |
79+
| test.py:6:5:6:6 | ControlFlowNode for IntegerLiteral | test.py:7:5:7:20 | ControlFlowNode for obfuscated_id() |
80+
| test.py:6:5:6:6 | ControlFlowNode for IntegerLiteral | test.py:7:5:7:20 | GSSA Variable a |
81+
| test.py:6:5:6:6 | ControlFlowNode for IntegerLiteral | test.py:7:19:7:19 | ControlFlowNode for a |
82+
| test.py:7:1:7:1 | GSSA Variable b | test.py:0:0:0:0 | Exit node for Module test |
83+
| test.py:7:5:7:20 | ControlFlowNode for obfuscated_id() | test.py:0:0:0:0 | Exit node for Module test |
84+
| test.py:7:5:7:20 | ControlFlowNode for obfuscated_id() | test.py:7:1:7:1 | GSSA Variable b |
85+
| test.py:7:5:7:20 | GSSA Variable a | test.py:0:0:0:0 | Exit node for Module test |
86+
| test.py:7:19:7:19 | ControlFlowNode for a | test.py:0:0:0:0 | Exit node for Module test |
487
| test.py:7:19:7:19 | ControlFlowNode for a | test.py:1:1:1:21 | Exit node for Function obfuscated_id |
588
| test.py:7:19:7:19 | ControlFlowNode for a | test.py:1:19:1:19 | SSA variable x |
89+
| test.py:7:19:7:19 | ControlFlowNode for a | test.py:2:3:2:3 | SSA variable y |
690
| test.py:7:19:7:19 | ControlFlowNode for a | test.py:2:7:2:7 | ControlFlowNode for x |
91+
| test.py:7:19:7:19 | ControlFlowNode for a | test.py:3:3:3:3 | SSA variable z |
92+
| test.py:7:19:7:19 | ControlFlowNode for a | test.py:3:7:3:7 | ControlFlowNode for y |
93+
| test.py:7:19:7:19 | ControlFlowNode for a | test.py:4:10:4:10 | ControlFlowNode for z |
94+
| test.py:7:19:7:19 | ControlFlowNode for a | test.py:7:1:7:1 | GSSA Variable b |
95+
| test.py:7:19:7:19 | ControlFlowNode for a | test.py:7:5:7:20 | ControlFlowNode for obfuscated_id() |

‎python/ql/test/experimental/dataflow/globalStep.expected‎

Lines changed: 58 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -1,3 +1,21 @@
1+
| test.py:0:0:0:0 | GSSA Variable __name__ : DataFlowType | test.py:0:0:0:0 | Exit node for Module test |
2+
| test.py:0:0:0:0 | GSSA Variable __name__ : DataFlowType | test.py:0:0:0:0 | Exit node for Module test : DataFlowType |
3+
| test.py:0:0:0:0 | GSSA Variable __name__ : DataFlowType | test.py:7:5:7:20 | ControlFlowNode for obfuscated_id() |
4+
| test.py:0:0:0:0 | GSSA Variable __name__ : DataFlowType | test.py:7:5:7:20 | ControlFlowNode for obfuscated_id() : DataFlowType |
5+
| test.py:0:0:0:0 | GSSA Variable __package__ : DataFlowType | test.py:0:0:0:0 | Exit node for Module test |
6+
| test.py:0:0:0:0 | GSSA Variable __package__ : DataFlowType | test.py:0:0:0:0 | Exit node for Module test : DataFlowType |
7+
| test.py:0:0:0:0 | GSSA Variable __package__ : DataFlowType | test.py:7:5:7:20 | ControlFlowNode for obfuscated_id() |
8+
| test.py:0:0:0:0 | GSSA Variable __package__ : DataFlowType | test.py:7:5:7:20 | ControlFlowNode for obfuscated_id() : DataFlowType |
9+
| test.py:0:0:0:0 | GSSA Variable b : DataFlowType | test.py:7:5:7:20 | ControlFlowNode for obfuscated_id() |
10+
| test.py:0:0:0:0 | GSSA Variable b : DataFlowType | test.py:7:5:7:20 | ControlFlowNode for obfuscated_id() : DataFlowType |
11+
| test.py:1:1:1:21 | ControlFlowNode for FunctionExpr : DataFlowType | test.py:1:5:1:17 | GSSA Variable obfuscated_id |
12+
| test.py:1:1:1:21 | ControlFlowNode for FunctionExpr : DataFlowType | test.py:1:5:1:17 | GSSA Variable obfuscated_id : DataFlowType |
13+
| test.py:1:5:1:17 | GSSA Variable obfuscated_id : DataFlowType | test.py:0:0:0:0 | Exit node for Module test |
14+
| test.py:1:5:1:17 | GSSA Variable obfuscated_id : DataFlowType | test.py:0:0:0:0 | Exit node for Module test : DataFlowType |
15+
| test.py:1:5:1:17 | GSSA Variable obfuscated_id : DataFlowType | test.py:7:5:7:17 | ControlFlowNode for obfuscated_id |
16+
| test.py:1:5:1:17 | GSSA Variable obfuscated_id : DataFlowType | test.py:7:5:7:17 | ControlFlowNode for obfuscated_id : DataFlowType |
17+
| test.py:1:5:1:17 | GSSA Variable obfuscated_id : DataFlowType | test.py:7:5:7:20 | ControlFlowNode for obfuscated_id() |
18+
| test.py:1:5:1:17 | GSSA Variable obfuscated_id : DataFlowType | test.py:7:5:7:20 | ControlFlowNode for obfuscated_id() : DataFlowType |
119
| test.py:1:19:1:19 | SSA variable x : DataFlowType | test.py:1:1:1:21 | Exit node for Function obfuscated_id |
220
| test.py:1:19:1:19 | SSA variable x : DataFlowType | test.py:1:1:1:21 | Exit node for Function obfuscated_id |
321
| test.py:1:19:1:19 | SSA variable x : DataFlowType | test.py:1:1:1:21 | Exit node for Function obfuscated_id : DataFlowType |
@@ -6,7 +24,47 @@
624
| test.py:1:19:1:19 | SSA variable x : DataFlowType | test.py:2:7:2:7 | ControlFlowNode for x |
725
| test.py:1:19:1:19 | SSA variable x : DataFlowType | test.py:2:7:2:7 | ControlFlowNode for x : DataFlowType |
826
| test.py:1:19:1:19 | SSA variable x : DataFlowType | test.py:2:7:2:7 | ControlFlowNode for x : DataFlowType |
27+
| test.py:2:3:2:3 | SSA variable y : DataFlowType | test.py:1:1:1:21 | Exit node for Function obfuscated_id |
28+
| test.py:2:3:2:3 | SSA variable y : DataFlowType | test.py:1:1:1:21 | Exit node for Function obfuscated_id |
29+
| test.py:2:3:2:3 | SSA variable y : DataFlowType | test.py:1:1:1:21 | Exit node for Function obfuscated_id : DataFlowType |
30+
| test.py:2:3:2:3 | SSA variable y : DataFlowType | test.py:1:1:1:21 | Exit node for Function obfuscated_id : DataFlowType |
31+
| test.py:2:3:2:3 | SSA variable y : DataFlowType | test.py:3:7:3:7 | ControlFlowNode for y |
32+
| test.py:2:3:2:3 | SSA variable y : DataFlowType | test.py:3:7:3:7 | ControlFlowNode for y |
33+
| test.py:2:3:2:3 | SSA variable y : DataFlowType | test.py:3:7:3:7 | ControlFlowNode for y : DataFlowType |
34+
| test.py:2:3:2:3 | SSA variable y : DataFlowType | test.py:3:7:3:7 | ControlFlowNode for y : DataFlowType |
35+
| test.py:2:7:2:7 | ControlFlowNode for x : DataFlowType | test.py:2:3:2:3 | SSA variable y |
36+
| test.py:2:7:2:7 | ControlFlowNode for x : DataFlowType | test.py:2:3:2:3 | SSA variable y |
37+
| test.py:2:7:2:7 | ControlFlowNode for x : DataFlowType | test.py:2:3:2:3 | SSA variable y : DataFlowType |
38+
| test.py:2:7:2:7 | ControlFlowNode for x : DataFlowType | test.py:2:3:2:3 | SSA variable y : DataFlowType |
39+
| test.py:3:3:3:3 | SSA variable z : DataFlowType | test.py:1:1:1:21 | Exit node for Function obfuscated_id |
40+
| test.py:3:3:3:3 | SSA variable z : DataFlowType | test.py:1:1:1:21 | Exit node for Function obfuscated_id |
41+
| test.py:3:3:3:3 | SSA variable z : DataFlowType | test.py:1:1:1:21 | Exit node for Function obfuscated_id : DataFlowType |
42+
| test.py:3:3:3:3 | SSA variable z : DataFlowType | test.py:1:1:1:21 | Exit node for Function obfuscated_id : DataFlowType |
43+
| test.py:3:3:3:3 | SSA variable z : DataFlowType | test.py:4:10:4:10 | ControlFlowNode for z |
44+
| test.py:3:3:3:3 | SSA variable z : DataFlowType | test.py:4:10:4:10 | ControlFlowNode for z |
45+
| test.py:3:3:3:3 | SSA variable z : DataFlowType | test.py:4:10:4:10 | ControlFlowNode for z : DataFlowType |
46+
| test.py:3:3:3:3 | SSA variable z : DataFlowType | test.py:4:10:4:10 | ControlFlowNode for z : DataFlowType |
47+
| test.py:3:7:3:7 | ControlFlowNode for y : DataFlowType | test.py:3:3:3:3 | SSA variable z |
48+
| test.py:3:7:3:7 | ControlFlowNode for y : DataFlowType | test.py:3:3:3:3 | SSA variable z |
49+
| test.py:3:7:3:7 | ControlFlowNode for y : DataFlowType | test.py:3:3:3:3 | SSA variable z : DataFlowType |
50+
| test.py:3:7:3:7 | ControlFlowNode for y : DataFlowType | test.py:3:3:3:3 | SSA variable z : DataFlowType |
951
| test.py:4:10:4:10 | ControlFlowNode for z : DataFlowType | test.py:7:5:7:20 | ControlFlowNode for obfuscated_id() |
1052
| test.py:4:10:4:10 | ControlFlowNode for z : DataFlowType | test.py:7:5:7:20 | ControlFlowNode for obfuscated_id() : DataFlowType |
53+
| test.py:6:1:6:1 | GSSA Variable a : DataFlowType | test.py:7:5:7:20 | ControlFlowNode for obfuscated_id() |
54+
| test.py:6:1:6:1 | GSSA Variable a : DataFlowType | test.py:7:5:7:20 | ControlFlowNode for obfuscated_id() : DataFlowType |
55+
| test.py:6:1:6:1 | GSSA Variable a : DataFlowType | test.py:7:5:7:20 | GSSA Variable a |
56+
| test.py:6:1:6:1 | GSSA Variable a : DataFlowType | test.py:7:5:7:20 | GSSA Variable a : DataFlowType |
57+
| test.py:6:1:6:1 | GSSA Variable a : DataFlowType | test.py:7:19:7:19 | ControlFlowNode for a |
58+
| test.py:6:1:6:1 | GSSA Variable a : DataFlowType | test.py:7:19:7:19 | ControlFlowNode for a : DataFlowType |
59+
| test.py:6:5:6:6 | ControlFlowNode for IntegerLiteral : DataFlowType | test.py:6:1:6:1 | GSSA Variable a |
60+
| test.py:6:5:6:6 | ControlFlowNode for IntegerLiteral : DataFlowType | test.py:6:1:6:1 | GSSA Variable a : DataFlowType |
61+
| test.py:7:1:7:1 | GSSA Variable b : DataFlowType | test.py:0:0:0:0 | Exit node for Module test |
62+
| test.py:7:1:7:1 | GSSA Variable b : DataFlowType | test.py:0:0:0:0 | Exit node for Module test : DataFlowType |
63+
| test.py:7:5:7:20 | ControlFlowNode for obfuscated_id() : DataFlowType | test.py:7:1:7:1 | GSSA Variable b |
64+
| test.py:7:5:7:20 | ControlFlowNode for obfuscated_id() : DataFlowType | test.py:7:1:7:1 | GSSA Variable b : DataFlowType |
65+
| test.py:7:5:7:20 | GSSA Variable a : DataFlowType | test.py:0:0:0:0 | Exit node for Module test |
66+
| test.py:7:5:7:20 | GSSA Variable a : DataFlowType | test.py:0:0:0:0 | Exit node for Module test : DataFlowType |
1167
| test.py:7:19:7:19 | ControlFlowNode for a : DataFlowType | test.py:1:19:1:19 | SSA variable x |
1268
| test.py:7:19:7:19 | ControlFlowNode for a : DataFlowType | test.py:1:19:1:19 | SSA variable x : DataFlowType |
69+
| test.py:7:19:7:19 | ControlFlowNode for a : DataFlowType | test.py:7:5:7:20 | ControlFlowNode for obfuscated_id() |
70+
| test.py:7:19:7:19 | ControlFlowNode for a : DataFlowType | test.py:7:5:7:20 | ControlFlowNode for obfuscated_id() : DataFlowType |

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