Commit Graph

725 Commits

Author SHA1 Message Date
Mathias Vorreiter Pedersen
61d4d17225 C++: Simplify smart pointer model and accept test changes. 2021-04-20 09:57:58 +02:00
Robert Marsh
fe57876fd8 Merge pull request #5643 from dbartol/smart-pointers/side-effect-refactor
C++: Refactor some side effect generation code
2021-04-14 09:59:41 -07:00
Jonas Jensen
b4f01c9afa Merge pull request #5578 from MathiasVP/ast-flow-smart-pointers
C++: AST dataflow through smart pointers
2021-04-14 16:39:05 +02:00
Mathias Vorreiter Pedersen
bc7cc2f7ce C++: Remove rule that wasn't needed. 2021-04-14 14:50:27 +02:00
Mathias Vorreiter Pedersen
da36508714 Revert "C++: As response to the review comments this commit adds a reference-to-pointer state to AddressFlow. A call to an unwrapper function now adds a pointer -> reference-to-pointer transition, and a ReferenceDereference adds a reference-to-pointer -> pointer transition."
This reverts commit 5aeaab7c6d.
2021-04-14 14:41:22 +02:00
Dave Bartolomeo
697b2dcde8 C++: Add missing store step for single-field struct use
We have special code to handle field flow for single-field structs, but that special case was too specific. Some `Store`s to single-field structs have no `Chi` instruction, which is the case that we handled already. However, it is possible for the `Store` to have a `Chi` instruction (e.g. for `{AllAliased}`), but still have a use of the result of the `Store` directly. We now add a `PostUpdateNode` for the result of the `Store` itself in those cases, just like we already did if the `Store` had no `Chi`.
2021-04-12 18:11:41 -04:00
Mathias Vorreiter Pedersen
037e6369ce C++: Ensure all values are bound in both disjunctions. 2021-04-12 18:27:21 +02:00
Mathias Vorreiter Pedersen
5aeaab7c6d C++: As response to the review comments this commit adds a reference-to-pointer state to AddressFlow. A call to an unwrapper function now adds a pointer -> reference-to-pointer transition, and a ReferenceDereference adds a reference-to-pointer -> pointer transition. 2021-04-12 16:01:01 +02:00
Mathias Vorreiter Pedersen
1510fe370d C++: Add cases for const pointer wrapper references to AddressFlow and FlowVar. 2021-04-09 20:58:05 +02:00
Mathias Vorreiter Pedersen
2329b31601 C++: Replace the new SmartPointerPartialDefinition with additional steps in AddressFlow.qll 2021-04-09 20:49:45 +02:00
Mathias Vorreiter Pedersen
a460e3ad3d Merge branch 'main' into ast-flow-smart-pointers 2021-04-09 19:41:10 +02:00
Mathias Vorreiter Pedersen
996cda9b97 C++: Fix incorrect test annotation. 2021-04-09 14:46:46 +02:00
Mathias Vorreiter Pedersen
80d5b17900 C++: Remove the dataflow rule for smart_ptr -> *smart_ptr. 2021-04-09 14:20:51 +02:00
Mathias Vorreiter Pedersen
cae0060a89 C++: Replace the new rules in DataFlowUtil with a dataflow model for pointer wrapper classes. 2021-04-09 14:06:58 +02:00
Mathias Vorreiter Pedersen
0a6aef71a2 C++: Respond to review comments. 2021-04-09 12:29:13 +02:00
Mathias Vorreiter Pedersen
8382e85901 C++: Add flow into the source of read step and out of the target of a store step for smart pointers in AST dataflow. 2021-04-06 14:05:55 +02:00
Mathias Vorreiter Pedersen
f07d844362 C++: Add a test containing missing read/store dataflow steps for smart pointers. 2021-04-06 13:59:27 +02:00
Mathias Vorreiter Pedersen
32a8b9a857 C++: Move copy constructor to its own line and accept test changes. 2021-04-06 08:56:14 +02:00
Mathias Vorreiter Pedersen
9ff894bf83 C++: Add support for AST dataflow out of functions that take a smart pointer by value. 2021-03-31 13:54:32 +02:00
Mathias Vorreiter Pedersen
8159098dc0 C++: Add test from issue #5190. 2021-03-31 11:32:01 +02:00
Mathias Vorreiter Pedersen
09ba25fe9b C++: Accept test changes. I'm actually not sure why we lose these results (and lose the field conflation, yay) It might be due to #3364. 2021-03-30 10:24:01 +02:00
Mathias Vorreiter Pedersen
8c95a9ae39 Merge branch 'main' into definitions-for-unique_ptr 2021-03-30 10:20:36 +02:00
Mathias Vorreiter Pedersen
5a4efab742 C++: Add tests for shared_ptr. 2021-03-29 18:04:20 +02:00
Mathias Vorreiter Pedersen
8dc7b6403a C++: Add shared_ptr and unique_ptr implementations. Also add some very basic tests. 2021-03-26 12:03:59 +01:00
Mathias Vorreiter Pedersen
983b64a05f Merge branch 'main' into rdmarsh/cpp/use-taint-configuration-dtt 2021-03-26 09:11:12 +01:00
Mathias Vorreiter Pedersen
0b4650a4c9 C++: Accept test changes. 2021-03-23 10:27:19 +01:00
Mathias Vorreiter Pedersen
dd6b27df24 C++: Fix test annotation. 2021-03-16 22:35:47 +01:00
Mathias Vorreiter Pedersen
a2d75c4fed Merge branch 'main' into rdmarsh/cpp/use-taint-configuration-dtt 2021-03-11 18:06:37 +01:00
Mathias Vorreiter Pedersen
0b6589c8be C++: Accept test changes. 2021-03-10 15:47:06 +01:00
Mathias Vorreiter Pedersen
0f6c56ad74 C++: Use names that better match the AST dataflow library. 2021-03-10 11:44:19 +01:00
Mathias Vorreiter Pedersen
19d08d7b40 Merge branch 'main' into rdmarsh/cpp/use-taint-configuration-dtt 2021-03-09 12:35:44 +01:00
Mathias Vorreiter Pedersen
d14b993aba C++: Replace 'Argument -1 indirection' with 'This indirection'. 2021-03-09 10:22:21 +01:00
Mathias Vorreiter Pedersen
e2c0bf3cc0 C++: Show arguments in path explanations and accept test changes. 2021-03-08 12:44:05 +01:00
Mathias Vorreiter Pedersen
bd842403c8 C++: Add testcase 2021-03-05 08:06:22 +01:00
Mathias Vorreiter Pedersen
23876cb581 C++: Only allow taint to a FieldAddressInstruction if it's a union type. 2021-03-04 16:29:44 +01:00
Mathias Vorreiter Pedersen
6c14288fa7 C++: Use new predicate and accept test changes. 2021-03-04 16:05:38 +01:00
Mathias Vorreiter Pedersen
eb4f1e1ba0 C++: Restore some of the lost test results by doing operand -> instruction taint steps in IR TaintTracking. 2021-03-02 15:45:40 +01:00
Mathias Vorreiter Pedersen
23d3109071 C++: Use taintedWithPath in more tests. This is the predicate that's currently hooked up to the new IR taint tracking library. 2021-03-02 13:40:39 +01:00
Mathias Vorreiter Pedersen
6ba35f4aac C++: Fix function renaming and accept test change. 2021-03-02 11:31:24 +01:00
Mathias Vorreiter Pedersen
9f02c144a8 C++: Remove files that were incorrectly added when resolving merge conflicts. 2021-03-02 11:14:49 +01:00
Mathias Vorreiter Pedersen
ffc6af73b7 C++: Accept test changes. 2021-03-02 11:00:43 +01:00
Mathias Vorreiter Pedersen
748f5344ff Merge branch 'main' into rdmarsh/cpp/use-taint-configuration-dtt 2021-03-02 10:43:37 +01:00
Mathias Vorreiter Pedersen
f908d2f1de C++: Remove hasTaintFlow from poll and select functions. 2021-02-22 08:54:43 +01:00
Mathias Vorreiter Pedersen
fef824c37a C++: Implement models for poll, accept and select. 2021-02-19 14:03:54 +01:00
Mathias Vorreiter Pedersen
3082d70345 Merge branch 'main' into fix-dataflow-regression-const-member-function 2021-02-18 09:34:51 +01:00
Cornelius Riemenschneider
ebcecca9f1 Merge pull request #5157 from geoffw0/modelsbsl2
C++: Improve Iterator models
2021-02-17 18:04:07 +01:00
Mathias Vorreiter Pedersen
908f24d23f C++: Fix missing AST flow. 2021-02-17 14:33:58 +01:00
Geoffrey White
ec79094957 Merge pull request #5191 from MathiasVP/regression-test-const-member-function
C++: Add test for missing flow due to const specifier
2021-02-17 10:59:20 +00:00
Mathias Vorreiter Pedersen
1b148c4c90 C++: Add reduced testcase demonstrating the problem in codeql-c-analysis-team/issues/231. 2021-02-17 11:20:00 +01:00
Mathias Vorreiter Pedersen
0f9b044814 C++: Model vector versions of BSD-style reads and writes. 2021-02-15 12:04:51 +01:00