Dave Bartolomeo
63fe4fb317
C++: More general model for pointer flow
2021-04-20 19:41:15 -04:00
Dave Bartolomeo
078d2522d2
C++: Add missing shared_ptr<T> members
2021-04-20 19:40:36 -04:00
Dave Bartolomeo
45968efd28
C++: Add shared test headers to emulate standard library types
2021-04-20 18:21:50 -04:00
Dave Bartolomeo
5085e462b0
C++: Allow alias propagation to/from side effects (part 1)
2021-04-20 14:09:41 -04:00
Dave Bartolomeo
01a95316c2
C++: Add Instruction::getAParameterSideEffect().
2021-04-20 14:03:48 -04:00
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
Mathias Vorreiter Pedersen
ed64ed3d8d
C++: Make exprMightOverflowPositively/exprMightOverFlowNegatively hold for unanalyzable expressions. This hopefully means that expressions that do not satisfy these predicates will never overflow/underflow.
2021-04-14 16:45:27 +02:00
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
Geoffrey White
8daca01c87
C++: Cleaner use of DataFlow::Node in exprIsSubLeftOrLess.
2021-04-13 15:13:11 +01:00
Geoffrey White
4879104568
C++: Add more dataflow cases to replace the loss.
2021-04-13 15:09:12 +01:00
Geoffrey White
b0ad927fdd
C++: Remove useUsePair.
2021-04-13 15:03:06 +01:00
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