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codeql-cli-2.20.5
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5449 Commits

Author SHA1 Message Date
Kevin Backhouse
08d852fa94 Merge pull request #1048 from jbj/dataflow-link-targets 
C++: Data flow dispatch across link targets
 2019-03-13 12:39:59 +00:00
Robert Brignull
5380e1df68 Merge remote-tracking branch 'upstream/rc/1.20' into merge/rc/1.20 2019-03-13 10:55:30 +00:00
Dave Bartolomeo
b5a3edfdae C++: FunctionIR -> IRFunction 2019-03-12 11:28:22 -07:00
Max Schaefer
605f6bc6a6 Merge pull request #1082 from hvitved/merge-rc 
Merge rc/1.20 into master
 2019-03-12 13:49:12 +00:00
Tom Hvitved
c5450128be Merge branch 'rc/1.20' into merge-rc 2019-03-12 09:14:38 +01:00
Ziemowit Laski
75b4a6d6b3 [CPP-80] Provide kinder, gentler wording for messages (ClassesWithManyFields.{ql,qhelp}) 2019-03-11 16:16:05 -07:00
Robert Marsh
8a2a4678d8 C++: accept dataflow test change 2019-03-07 13:14:57 -08:00
Robert Marsh
17ad124c9e C++: remove VariableAddress from points_to test 2019-03-07 13:14:56 -08:00
Robert Marsh
7e30ce0c09 C++: add phi node support to escape analysis 2019-03-07 13:14:56 -08:00
Robert Marsh
97c11a5222 C++: points-to for argument-returning calls 2019-03-07 13:14:55 -08:00
Robert Marsh
c70bd285de C++: assume arguments to virtual functions escape 2019-03-07 13:14:49 -08:00
Robert Marsh
2c94a8887d C++: test for virtual functions in escape analysis 2019-03-07 13:14:49 -08:00
Robert Marsh
6089172554 C++: escape analysis for this parameters 2019-03-07 13:14:49 -08:00
Robert Marsh
466e110338 C++: add new interprocedural escape analysis 2019-03-07 13:14:48 -08:00
Robert Marsh
bd39698528 C++: test changes for interproc escape analysis 2019-03-07 13:14:48 -08:00
Jonas Jensen
57732ee6f9 Merge pull request #1008 from geoffw0/wprintf 
CPP: Clean up and fix FormattingFunction, FormatLiteral
 2019-03-06 15:08:29 +00:00
Geoffrey White
9f9712047c CPP: Add a few more tests of '%c'. 2019-03-06 10:23:45 +00:00
Jonas Jensen
80b0765618 C++: Make IR DataFlow dispatch use non-IR version 
This removes code duplication and ensures that the IR version also gets
the support for flow across link targets.
 2019-03-06 10:08:14 +01:00
Jonas Jensen
10ce13d1e9 C++: Tests for cross-target dispatch 2019-03-06 10:08:13 +01:00
Jonas Jensen
0a57767cc6 C++: Data flow through StmtExpr 2019-03-05 14:36:40 +01:00
Jonas Jensen
a2de057c26 C++: Test for StmtExpr data flow 2019-03-05 14:34:19 +01:00
Jonas Jensen
9d595aa5ea Merge pull request #1033 from geoffw0/newdelete-perf 
CPP: NewDelete.qll performance
 2019-03-05 12:52:59 +00:00
Max Schaefer
7f5e2630a1 Merge pull request #1032 from xiemaisi/master-for-merge 
Merge master into rc/1.20
 2019-03-04 21:23:51 +00:00
Geoffrey White
df73bb3468 CPP: Fix performance issue. Also has a small positive effect on correctness. 2019-03-04 12:47:55 +00:00
Geoffrey White
f0085ed25a CPP: Additional test cases. 2019-03-04 12:45:05 +00:00
Jonas Jensen
c49c23068a Merge pull request #923 from geoffw0/potentialbufferoverflow 
CPP: Deprecate PotentialBufferOverflow.ql
 2019-03-04 08:11:27 +00:00
Robert Marsh
b8f8ed55e6 Merge pull request #1000 from jbj/dataflow-defbyref 
C++: Support definition by reference in data flow library
 2019-03-01 13:54:37 -08:00
Geoffrey White
66013272da Merge pull request #894 from jbj/ir-RedundantNullCheckSimple 
C++: IR query for redundant null check
 2019-03-01 15:34:18 +00:00
Nick Rolfe
e6ddf7f48a Merge pull request #1012 from ian-semmle/constexpr 
C++: Add Variable.isConstexpr()
 2019-03-01 14:42:35 +00:00
Ian Lynagh
a709a2d0f3 C++: Add Variable.isConstexpr() 2019-02-28 15:26:15 +00:00
Jonas Jensen
8e6daafd7c C++: Add DefinitionByReferenceNode.getParameter 
This commits also adds a test that uses `getParameter`. The new tests
demonstrate that support for array-to-pointer decay works, but we get
data flow to the array rather than its contents.
 2019-02-28 09:39:51 +01:00
Jonas Jensen
972d00822c C++: Generalize std::move data flow 2019-02-27 15:53:00 +01:00
Jonas Jensen
80183464d9 C++: Define DefinitionByReferenceNode 
This enables data flow through `memcpy` and similar functions modeled in
`semmle.code.cpp.model`.
 2019-02-27 15:53:00 +01:00
Jonas Jensen
5647a1a658 C++: BlockVar value stops at def by ref (partial) 2019-02-27 15:05:53 +01:00
Geoffrey White
8a5bc24b36 CPP: Replace PotentialBufferOverflow with OverrunWrite in the test. 2019-02-27 13:09:09 +00:00
Geoffrey White
7194121eae CPP: Expand the test cases covering PotentialBufferOverflow.ql. 2019-02-27 13:09:09 +00:00
Jonas Jensen
20f3df0d09 C++: Add tests to demo lack dataflow by reference 2019-02-27 13:19:16 +01:00
Jonas Jensen
07bd85e9fa C++: Function error doesn't always exit 
The configuration in `DefaultOptions.qll` assumed that a call to any
top-level function named `error` would exit the program. This is not
true.

The assumption was probably about `error(3)`, which is a GNU extension.
It only exits if its first argument it not 0. Furthermore, projects such
as openssh may define their own function named `error` with different
behaviour. Because the GNU `error` function is non-standard, it's
perfectly fine to shadow it with a project-specific definition.

This change removes two FPs from `PointlessComparison.qll` on
https://github.com/openssh/openssh-portable.
 2019-02-26 16:31:34 +01:00
Ian Lynagh
ad126b93cf C++: Remove a use of deprecated Function.getFullSignature() 2019-02-25 15:51:39 +00:00
Ian Lynagh
f02a4ce63e C++: Accept test changes following new *constexpr specifiers 2019-02-25 12:48:48 +00:00
Ian Lynagh
5db38ef14b C++: Add a test for constexpr functions 2019-02-25 12:48:48 +00:00
Robert Marsh
07cbbdaf9a C++: accept test output 2019-02-21 17:18:06 -08:00
Robert Marsh
9a9ec7bb17 C++: add IR-based taint tracking library 2019-02-21 17:09:09 -08:00
Jonas Jensen
7649e8758b Merge pull request #846 from geoffw0/returnstack 
CPP: Improve  ReturnStackAllocatedMemory.ql
 2019-02-21 22:04:53 +01:00
Geoffrey White
0ca67880b2 Merge pull request #902 from jbj/test-queries.xml 
C++: Add a queries.xml to the test dir
 2019-02-21 16:43:01 +00:00
Jonas Jensen
1bc967c1d1 Merge pull request #819 from geoffw0/newdelete 
CPP: Improve dataflow in newdelete.qll
 2019-02-21 15:09:49 +01:00
Jonas Jensen
b9236d216f C++: Improve ReturnStackAllocatedMemory alert msg 2019-02-21 11:20:25 +01:00
Jonas Jensen
dcf910f20c C++: Use EscapesTree to find pointers to stack 
This simplifies the query and is a strict improvement on the tests. I
also found it to be an overall improvement on real projects.
 2019-02-21 11:20:25 +01:00
Jonas Jensen
9f2fdbbc1d C++: More tests for RedundantNullCheckSimple 2019-02-21 10:13:25 +01:00
Jonas Jensen
9ac8d60636 C++: IR query for redundant null check 
This new query is not written because it's the most interesting query we
could write but because it's an IR-based query whose results are easy to
verify.
 2019-02-21 10:13:25 +01:00