Jonas Jensen
9b5bb95766
Merge pull request #5696 from jbj/reapply-inconsistency-workaround
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Revert "Revert "C++: Work around extractor issue CPP-383""
2021-04-23 14:49:32 +02:00
Jonas Jensen
6de5b3021e
C++: Replace Jira ticket reference with GH issue
2021-04-23 09:58:39 +02:00
Jonas Jensen
6e059ea002
C++: Remove reference to obsolete issue CPP-383
2021-04-23 09:58:15 +02:00
Mathias Vorreiter Pedersen
2b8afe55e8
Merge pull request #5747 from rdmarsh2/rdmarsh2/cpp/deprecate-return-stack-allocated-object
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C++: deprecate cpp/return-stack-allocated-object
2021-04-22 11:37:07 +02:00
Robert Marsh
cac1bef6ea
C++: deprecate cpp/return-stack-allocated-object
2021-04-21 15:17:31 -07:00
Geoffrey White
ba335089c4
Merge pull request #5601 from ihsinme/ihsinme-patch-259
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CPP: Add query for CWE-691 Insufficient Control Flow Management After Refactoring The Code
2021-04-21 15:13:38 +01:00
Mathias Vorreiter Pedersen
93e55e2631
C++: Fix FP in cpp/return-stack-allocated-memory.
2021-04-20 13:58:12 +02:00
Mathias Vorreiter Pedersen
1797b6c7f9
C++: Add FP test from the work on smart pointers in dataflow.
2021-04-20 13:54:57 +02:00
Jonas Jensen
d4fdd50e2c
Merge pull request #5723 from MathiasVP/cleanup-smart-ptr-model
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C++: Simplify smart pointer model
2021-04-20 13:25:02 +02:00
Geoffrey White
2b7e599dc4
Merge pull request #5703 from MathiasVP/improve-access-of-memory-location-after-end-of-buffer-using-strncat
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C++: Improve cpp/access-memory-location-after-end-buffer-strncat
2021-04-20 10:44:24 +01:00
Mathias Vorreiter Pedersen
61d4d17225
C++: Simplify smart pointer model and accept test changes.
2021-04-20 09:57:58 +02:00
ihsinme
c2d97b98e2
Merge branch 'main' into ihsinme-patch-259
2021-04-18 21:01:56 +03:00
Mathias Vorreiter Pedersen
95742aec69
C++: Accept test changes for the other experimental query in the directory. This is only a change in line numbers.
2021-04-16 21:29:17 +02:00
Mathias Vorreiter Pedersen
64f8316a6d
C++: Tidy up the ql file and accept test changes.
2021-04-16 21:22:13 +02:00
Mathias Vorreiter Pedersen
1e327289b2
C++: Add false negative test.
2021-04-16 18:38:51 +02:00
Mathias Vorreiter Pedersen
50abb6e3a1
C++: Cleanup test.c
2021-04-16 17:32:44 +02:00
Jonas Jensen
f8d45f04ed
Revert "Revert "C++: Work around extractor issue CPP-383""
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**Revert the revert** of the workaround for CFG issues when a
`FunctionCall` has a `getTarget` that does not exist. While we've fixed
the main cause of the problem, it can apparently still happen in rare
cases as a result of extractor crashes.
This reverts commit ee5eaef5e4 .
2021-04-16 16:44:58 +02:00
Geoffrey White
e1028a2765
Merge pull request #5667 from MathiasVP/use-range-analysis-in-overflow
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C++: Use range analysis in Overflow.qll
2021-04-16 12:00:28 +01:00
Mathias Vorreiter Pedersen
7fbc62358e
C++: Accept test changes after making the exprMightOverFlow predicates more sound.
2021-04-15 13:57:44 +02:00
ihsinme
b30ae3980c
Update InsufficientControlFlowManagementAfterRefactoringTheCode.ql
2021-04-14 20:48:20 +03:00
Robert Marsh
fe57876fd8
Merge pull request #5643 from dbartol/smart-pointers/side-effect-refactor
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C++: Refactor some side effect generation code
2021-04-14 09:59:41 -07:00
Dave Bartolomeo
b29f35f564
Fix formatting
2021-04-14 11:15:16 -04:00
Geoffrey White
64fed4cb10
Merge pull request #5677 from MathiasVP/fix-duplicate-ids-in-experimental
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C++: Fix duplicate names in experimental queries
2021-04-14 15:58:49 +01:00
Jonas Jensen
b4f01c9afa
Merge pull request #5578 from MathiasVP/ast-flow-smart-pointers
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C++: AST dataflow through smart pointers
2021-04-14 16:39:05 +02:00
Mathias Vorreiter Pedersen
53a320a810
C++: Fix duplicate names.
2021-04-14 16:33:18 +02:00
Mathias Vorreiter Pedersen
bb447d7174
C++: Make sure missingGuardAgainstOverflow (and underflow) holds when range analysis fails to deduce a bound.
2021-04-14 16:30:43 +02:00
Mathias Vorreiter Pedersen
92508beb82
Merge pull request #5600 from ihsinme/ihsinme-patch-258
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CPP: Add query for CWE-691 Insufficient Control Flow Management When Using Bit Operations
2021-04-14 14:55:30 +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."
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This reverts commit 5aeaab7c6d .
2021-04-14 14:41:22 +02:00
Mathias Vorreiter Pedersen
2e40d01397
Update cpp/ql/src/semmle/code/cpp/security/Overflow.qll
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Co-authored-by: Geoffrey White <40627776+geoffw0@users.noreply.github.com >
2021-04-14 13:01:31 +02:00
Robert Marsh
419d25cbcf
Merge pull request #5325 from ihsinme/ihsinme-patch-245
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CPP: Add query for CWE-783 Operator Precedence Logic Error When Use Bool Type
2021-04-13 13:24:39 -07:00
Mathias Vorreiter Pedersen
aa52585120
C++: Add change-note.
2021-04-13 17:17:05 +02:00
Mathias Vorreiter Pedersen
d1457995dd
C++: Use range analysis in Overflow.qll
2021-04-13 16:39:28 +02:00
Mathias Vorreiter Pedersen
3cfd30ef6f
Merge pull request #5629 from hvitved/cpp/remove-unique
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C++: Remove `unique` wrapper from `DataFlow::Node::getEnclosingCallable`
2021-04-13 09:42:34 +02:00
Dave Bartolomeo
afd2f58f9f
C++: Fix PR feedback
2021-04-12 18:21:05 -04:00
Dave Bartolomeo
697b2dcde8
C++: Add missing store step for single-field struct use
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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
Robert Marsh
0102d68f38
Merge pull request #5658 from MathiasVP/fix-partial-def-diff-test
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C++: Fix performance in test
2021-04-12 13:08:30 -07:00
Mathias Vorreiter Pedersen
037e6369ce
C++: Ensure all values are bound in both disjunctions.
2021-04-12 18:27:21 +02:00
ihsinme
a43698802f
Update InsufficientControlFlowManagementWhenUsingBitOperations.ql
2021-04-12 17:36:50 +03:00
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
ihsinme
58d5ad48d5
Update InsufficientControlFlowManagementAfterRefactoringTheCode.ql
2021-04-12 17:00:34 +03:00
ihsinme
d7c14775bf
Update InsufficientControlFlowManagementAfterRefactoringTheCode.qhelp
2021-04-12 16:56:48 +03:00
Tom Hvitved
57016ddbde
C++: Remove unique wrapper from DataFlow::Node::getEnclosingCallable()
2021-04-12 14:41:52 +02:00
Tom Hvitved
7d2a60e910
Merge pull request #5640 from hvitved/dataflow/path-step-perf
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Data flow: Prevent bad join-order in `pathStep`
2021-04-12 14:40:46 +02:00
ihsinme
feb3a8deb1
Update InsufficientControlFlowManagementAfterRefactoringTheCode.expected
2021-04-12 08:23:41 +03:00
ihsinme
6924c6c51c
Update test.c
2021-04-12 08:23:06 +03:00
ihsinme
3da88f2103
Update InsufficientControlFlowManagementAfterRefactoringTheCode.c
2021-04-12 08:15:36 +03:00
ihsinme
17d1c77a14
Update InsufficientControlFlowManagementAfterRefactoringTheCode.ql
2021-04-12 08:14:17 +03:00
Dave Bartolomeo
0a86642056
C++: Refactor some side effect generation code
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This change was necessary for my upcoming changes to introduce side effect instructions for indirections of smart pointers. The code to decide which parameters have which side effects appeared in both the IPA constructor for `TTranslatedSideEffect` and in `TranslatedCall`. These two versions didn't quite agree, especially once the `SideEffectFunction` model provides its own side effects instead of the defaults.
The relevant code has now been factored out into `SideEffects.qll`. This queries the model if one exists, and provides default side effects if no model exists. This fixes at least one existing issue, where we were emitting a buffer read side effect for `*this` instead of an indirect read side effect. This accounts for all of the IR diffs in the tests.
2021-04-09 16:14:03 -04:00
Mathias Vorreiter Pedersen
1510fe370d
C++: Add cases for const pointer wrapper references to AddressFlow and FlowVar.
2021-04-09 20:58:05 +02:00