Files
codeql/python/ql/test/experimental/query-tests/Security/CWE-770/UnicodeDoS.expected
yoff 408ba6218f Python: switch dataflow library to new (shared) CFG + SSA
Flips the Python dataflow trunk from the legacy CFG (semmle/python/Flow.qll)
and legacy ESSA SSA (semmle/python/essa/*) to the new shared CFG facade
(semmle.python.controlflow.internal.Cfg) and the new SSA adapter
(semmle.python.dataflow.new.internal.SsaImpl), both introduced
additively in the preceding PRs in this stack.

This is the trunk-flip equivalent of the original draft PR #21894 (kept
around as documentation), rebased on top of the four preparatory PRs:

  P1: Remove AstNode.getAFlowNode() and rewrite callers (#21919).
  P2: Qualify Flow.qll's AST references with Py:: prefix (#21920).
  P3: Add new shared-CFG-backed control flow graph (#21921).
  P4: Add new shared-SSA-backed SSA adapter (#21923).

The Python dataflow library (semmle/python/dataflow/new/) now imports
the new CFG facade and SSA adapter. All CFG-typed predicates
(ControlFlowNode, CallNode, BasicBlock, NameNode, AttrNode, ...) are
qualified with the Cfg:: prefix; SSA references switch from
EssaVariable/EssaDefinition to SsaImpl::Definition/SourceVariable.

GuardNode is redesigned to use the new CFG's outcome-node model
(isAfterTrue / isAfterFalse) instead of the legacy ConditionBlock +
flipped indirection. Only BarrierGuard<...> is preserved as public
API.

Framework files (Bottle, FastApi, Django, Tornado, Pyramid, Stdlib,
...) are updated to take CFG nodes from the new facade.

A handful of dataflow consistency tweaks for the new CFG:
- Augmented-assignment targets are treated as both load and store.
- 'from X import *' produces uncertain SSA writes for unknown names.
- CFG nodes are canonicalised so dataflow does not see equivalent
  pre/post-order pairs as distinct nodes.

Two AST tweaks for the new CFG:
- AstNodeImpl: omit PEP 695 type-parameter names from
  FunctionDefExpr / ClassDefExpr children.
- ImportResolution: drop the legacy essa import.

Test churn (~175 files): reblessed library- and query-test .expected
files reflect slightly different CFG granularity, different toString
output, and a handful of true alert deltas in security queries.

Verification: all 367 lib + src + consistency-queries compile clean.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
2026-06-22 13:46:43 +00:00

74 lines
6.3 KiB
Plaintext

edges
| tests.py:1:35:1:41 | After ImportMember | tests.py:1:35:1:41 | request | provenance | |
| tests.py:1:35:1:41 | request | tests.py:12:17:12:23 | request | provenance | |
| tests.py:1:35:1:41 | request | tests.py:24:9:24:15 | request | provenance | |
| tests.py:1:35:1:41 | request | tests.py:36:9:36:15 | request | provenance | |
| tests.py:1:35:1:41 | request | tests.py:48:9:48:15 | request | provenance | |
| tests.py:1:35:1:41 | request | tests.py:60:9:60:15 | request | provenance | |
| tests.py:1:35:1:41 | request | tests.py:72:9:72:15 | request | provenance | |
| tests.py:12:5:12:13 | file_path | tests.py:16:39:16:47 | file_path | provenance | |
| tests.py:12:17:12:23 | request | tests.py:12:17:12:28 | After Attribute | provenance | AdditionalTaintStep |
| tests.py:12:17:12:28 | After Attribute | tests.py:12:17:12:49 | After Attribute() | provenance | dict.get |
| tests.py:12:17:12:49 | After Attribute() | tests.py:12:5:12:13 | file_path | provenance | |
| tests.py:24:5:24:5 | r | tests.py:28:43:28:43 | r | provenance | |
| tests.py:24:9:24:15 | request | tests.py:24:9:24:20 | After Attribute | provenance | AdditionalTaintStep |
| tests.py:24:9:24:20 | After Attribute | tests.py:24:9:24:33 | After Attribute() | provenance | dict.get |
| tests.py:24:9:24:33 | After Attribute() | tests.py:24:5:24:5 | r | provenance | |
| tests.py:36:5:36:5 | r | tests.py:40:43:40:43 | r | provenance | |
| tests.py:36:9:36:15 | request | tests.py:36:9:36:20 | After Attribute | provenance | AdditionalTaintStep |
| tests.py:36:9:36:20 | After Attribute | tests.py:36:9:36:33 | After Attribute() | provenance | dict.get |
| tests.py:36:9:36:33 | After Attribute() | tests.py:36:5:36:5 | r | provenance | |
| tests.py:48:5:48:5 | r | tests.py:52:43:52:43 | r | provenance | |
| tests.py:48:9:48:15 | request | tests.py:48:9:48:20 | After Attribute | provenance | AdditionalTaintStep |
| tests.py:48:9:48:20 | After Attribute | tests.py:48:9:48:33 | After Attribute() | provenance | dict.get |
| tests.py:48:9:48:33 | After Attribute() | tests.py:48:5:48:5 | r | provenance | |
| tests.py:60:5:60:5 | r | tests.py:64:43:64:43 | r | provenance | |
| tests.py:60:9:60:15 | request | tests.py:60:9:60:20 | After Attribute | provenance | AdditionalTaintStep |
| tests.py:60:9:60:20 | After Attribute | tests.py:60:9:60:33 | After Attribute() | provenance | dict.get |
| tests.py:60:9:60:33 | After Attribute() | tests.py:60:5:60:5 | r | provenance | |
| tests.py:72:5:72:5 | r | tests.py:76:43:76:43 | r | provenance | |
| tests.py:72:9:72:15 | request | tests.py:72:9:72:20 | After Attribute | provenance | AdditionalTaintStep |
| tests.py:72:9:72:20 | After Attribute | tests.py:72:9:72:33 | After Attribute() | provenance | dict.get |
| tests.py:72:9:72:33 | After Attribute() | tests.py:72:5:72:5 | r | provenance | |
nodes
| tests.py:1:35:1:41 | After ImportMember | semmle.label | After ImportMember |
| tests.py:1:35:1:41 | request | semmle.label | request |
| tests.py:12:5:12:13 | file_path | semmle.label | file_path |
| tests.py:12:17:12:23 | request | semmle.label | request |
| tests.py:12:17:12:28 | After Attribute | semmle.label | After Attribute |
| tests.py:12:17:12:49 | After Attribute() | semmle.label | After Attribute() |
| tests.py:16:39:16:47 | file_path | semmle.label | file_path |
| tests.py:24:5:24:5 | r | semmle.label | r |
| tests.py:24:9:24:15 | request | semmle.label | request |
| tests.py:24:9:24:20 | After Attribute | semmle.label | After Attribute |
| tests.py:24:9:24:33 | After Attribute() | semmle.label | After Attribute() |
| tests.py:28:43:28:43 | r | semmle.label | r |
| tests.py:36:5:36:5 | r | semmle.label | r |
| tests.py:36:9:36:15 | request | semmle.label | request |
| tests.py:36:9:36:20 | After Attribute | semmle.label | After Attribute |
| tests.py:36:9:36:33 | After Attribute() | semmle.label | After Attribute() |
| tests.py:40:43:40:43 | r | semmle.label | r |
| tests.py:48:5:48:5 | r | semmle.label | r |
| tests.py:48:9:48:15 | request | semmle.label | request |
| tests.py:48:9:48:20 | After Attribute | semmle.label | After Attribute |
| tests.py:48:9:48:33 | After Attribute() | semmle.label | After Attribute() |
| tests.py:52:43:52:43 | r | semmle.label | r |
| tests.py:60:5:60:5 | r | semmle.label | r |
| tests.py:60:9:60:15 | request | semmle.label | request |
| tests.py:60:9:60:20 | After Attribute | semmle.label | After Attribute |
| tests.py:60:9:60:33 | After Attribute() | semmle.label | After Attribute() |
| tests.py:64:43:64:43 | r | semmle.label | r |
| tests.py:72:5:72:5 | r | semmle.label | r |
| tests.py:72:9:72:15 | request | semmle.label | request |
| tests.py:72:9:72:20 | After Attribute | semmle.label | After Attribute |
| tests.py:72:9:72:33 | After Attribute() | semmle.label | After Attribute() |
| tests.py:76:43:76:43 | r | semmle.label | r |
subpaths
#select
| tests.py:16:39:16:47 | file_path | tests.py:1:35:1:41 | After ImportMember | tests.py:16:39:16:47 | file_path | This $@ can reach a $@. | tests.py:1:35:1:41 | After ImportMember | user-provided value | tests.py:16:39:16:47 | file_path | costly Unicode normalization operation |
| tests.py:28:43:28:43 | r | tests.py:1:35:1:41 | After ImportMember | tests.py:28:43:28:43 | r | This $@ can reach a $@. | tests.py:1:35:1:41 | After ImportMember | user-provided value | tests.py:28:43:28:43 | r | costly Unicode normalization operation |
| tests.py:40:43:40:43 | r | tests.py:1:35:1:41 | After ImportMember | tests.py:40:43:40:43 | r | This $@ can reach a $@. | tests.py:1:35:1:41 | After ImportMember | user-provided value | tests.py:40:43:40:43 | r | costly Unicode normalization operation |
| tests.py:52:43:52:43 | r | tests.py:1:35:1:41 | After ImportMember | tests.py:52:43:52:43 | r | This $@ can reach a $@. | tests.py:1:35:1:41 | After ImportMember | user-provided value | tests.py:52:43:52:43 | r | costly Unicode normalization operation |
| tests.py:64:43:64:43 | r | tests.py:1:35:1:41 | After ImportMember | tests.py:64:43:64:43 | r | This $@ can reach a $@. | tests.py:1:35:1:41 | After ImportMember | user-provided value | tests.py:64:43:64:43 | r | costly Unicode normalization operation |
| tests.py:76:43:76:43 | r | tests.py:1:35:1:41 | After ImportMember | tests.py:76:43:76:43 | r | This $@ can reach a $@. | tests.py:1:35:1:41 | After ImportMember | user-provided value | tests.py:76:43:76:43 | r | costly Unicode normalization operation |