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675 Commits

Author SHA1 Message Date
Paul Fultz II 69f09da63e
Fix 11044: FP knownConditionTrueFalse after early return (#4091) 
* Fix 11044: FP knownConditionTrueFalse after early return

* Format
 2022-05-09 20:26:52 +02:00
Paul Fultz II 474c7fe5cc
Fix 10953: False positive: Possible null pointer dereference when calling derived function (#4044) 2022-04-26 17:57:06 +02:00
Paul Fultz II 5d5562266d
ValueFlow: Assume constant is nonzero when its negated (#4041) 
* ValueFlow: Assume constant is nonzero when its negated

* Format

* Format
 2022-04-23 06:19:07 +02:00
Paul Fultz II 4eed29502c
ValueFlow: Set values to parameters to longjmp and setjmp (#4040) 
* ValueFlow: Set values to parameters to longjmp and setjmp

* Format
 2022-04-23 06:18:55 +02:00
Paul Fultz II 6deb8068fa
Fix 10981: ValueFlow: multiplication with 0 should have known value 0 (#4023) 2022-04-14 18:13:04 +02:00
Paul Fultz II 09597bc7e8
Fix 10956: ValueFlow: Incorrect value when assigned to two variables (#4019) 
* Fix 10956: ValueFlow: Incorrect value when assigned to two variables

* Format
 2022-04-14 07:35:07 +02:00
chrchr-github 5ac4afa5b8
Fix cppcheckError with spaceship operator (#10251) (#4001) 
* Fix cppcheckError with starship operator (#10251)

* Fix test case

* Return result
 2022-04-13 12:23:38 +02:00
Paul Fultz II 99757c6d06
ValueFlow: Set values to parameters to escape functions (#3994) 
* ValueFlow: Set values to parameters to escape functions

* Format
 2022-04-11 07:23:58 +02:00
Paul Fultz II 45b4580554
Fix 10957: Crash on valid code (#3991) 2022-04-10 22:47:58 +02:00
Paul Fultz II 74667d1e2a
Fix 10418: false negative: knownConditionTrueFalse (#3981) 
* Improve handling inverted condition

* Fix tests

* Rename variables for clarity

* Add initial test

* Add another test

* Format

* Fix FP
 2022-04-07 06:48:13 +02:00
Paul Fultz II bb640c4879
Fix 10950: Crash on function declaration (#3979) 
* Fix 10950: Crash on function declaration

* Format
 2022-04-06 19:00:05 +02:00
Paul Fultz II 1d92665ad2
Fix 10867: false negative: containerOutOfBounds with std::array (regression) (#3976) 
* Fix 10867: false negative: containerOutOfBounds with std::array (regression)

* Format
 2022-04-06 06:25:28 +02:00
Paul Fultz II 39265f8ce0
Fix 10931: Assert failure in setSymbolic() (#3967) 
* Fix 10931: Assert failure in setSymbolic()

* Format
 2022-04-03 20:04:18 +02:00
Paul Fultz II 0547cbcd26
Fix 10647: FN knownConditionTrueFalse for impossible Boolean value (#3968) 
* Add impossible values for bool

* Fix valueflow tests

* Fix assertion failure

* Add test

* Format
 2022-04-03 20:04:05 +02:00
Paul Fultz II ff902369e0
Fix 10851: False positive: known variable value below for loop (#3891) 
* Fix 10851: False positive: known variable value below for loop

* Format

* Add test for 10863

* Format
 2022-03-12 06:15:35 +01:00
chrchr-github 27baa20f38
Fix #10779 FN: stlOutOfBounds (off by one) (#3872) 
* Fix #10779 FN: stlOutOfBounds (off by one)

* Format

* Simplify
 2022-03-04 17:13:13 +01:00
chrchr-github 2dd6c75b35
Fix #10838 Crash/nullptr deref in getEndOfExprScope() (#3870) 
* Fix #10838 Crash/nullptr deref in getEndOfExprScope()

* Format
 2022-03-03 17:08:23 +01:00
Daniel Marjamäki 915ae4b845 ValueFlow: Fix crash 2022-03-02 21:12:37 +01:00
chrchr-github d79d6e60db
Fix #10828 Internal error. Token::Match called with varid 0 (#3859) 
* Fix #10828 Internal error. Token::Match called with varid 0

* Fix test
 2022-02-26 23:48:29 +01:00
Paul Fultz II dbc80787e1
Fix 10821: FN: containerOutOfBounds (#3856) 
* Fix 10821: FN: containerOutOfBounds

* Format

* Fix cppcheck warning

* Add valueflow tests

* Format

* Fix some bugs

* Format
 2022-02-25 05:53:51 +01:00
Paul Fultz II 1ac16413ea
Another fix for 10800: Hang / memory exhaustion on numerical code (#3851) 
* Another fix for 10800: Hang / memory exhaustion on numerical code

* Format
 2022-02-22 07:21:26 +01:00
chrchr-github 734e3ac6da
Fix cppcheckError with for loop (#3847) 2022-02-21 18:14:20 +01:00
chrchr-github 18e00bb4fd
Fix #10817 Crash in checkPassByReference() / #10810 Stack overflow with decltype / #10763 Crash on invalid code (#3840) 
* Fix #10817 Crash in checkPassByReference()

* Format

* Fix #10810 Stack overflow with decltype

* Fix #10763 Crash on invalid code in TemplateSimplifier::templateParameters
 2022-02-18 12:59:21 +01:00
chrchr-github 6635e6cc07
Fix #10795 cppcheckError with for loop (#3841) 2022-02-17 22:12:19 +01:00
Paul Fultz II 78228599da
Fix 10800: Hang / memory exhaustion on numerical code (#3822) 
* Fix 10800: Hang / memory exhaustion on numerical code

* Format

* Add another test

* Format
 2022-02-11 06:52:28 +01:00
Oliver Stöneberg f32583e097
removed OVERRIDE and FINAL defines and use the keywords directly (#3767) 2022-02-10 23:02:24 +01:00
Paul Fultz II 5d25050b06
Fix 10788: False positive: zerodivcond when using an assert (#3816) 2022-02-10 20:22:14 +01:00
Paul Fultz II a50452517d
Fix 10794: Crash in MultiValueFlowAnalyzer::getProgramState() (#3815) 
* Fix 10794: Crash in MultiValueFlowAnalyzer::getProgramState()

* Format
 2022-02-10 07:43:27 +01:00
Paul Fultz II 569332a50a
Fix 10786: False positive: arrayIndexOutOfBoundsCond (#3803) 2022-02-06 20:14:13 +01:00
Paul Fultz II a639c59780
Fix 10787: False positive: knownConditionTrueFalse with a conditional exit (#3804) 2022-02-06 20:13:44 +01:00
Daniel Marjamäki 3989408738 Update copyright year 2022-02-05 11:45:17 +01:00
Oliver Stöneberg 171da2e6f9
avoid dependency on transitive includes - based on include-what-you-use (#3757) 2022-01-27 19:03:20 +01:00
Paul Fultz II 40147c1e4b
Fix 10719: Crash in valueFlowIterators() (#3756) 
* Fix 10719: Crash in valueFlowIterators()

* Format
 2022-01-26 06:42:41 +01:00
Paul Fultz II 1a949c00b0
Fix 10723: Assertion 'tok && tok->exprId() > 0 && "Missing expr id for symbolic value"' in valueFlowSmartPointer() (#3755) 
* Fix 10723:  Assertion 'tok && tok->exprId() > 0 && "Missing expr id for symbolic value"' in valueFlowSmartPointer()

* Format
 2022-01-26 06:28:13 +01:00
Paul Fultz II 01e14a12f1
Fix 10755: Assertion "!maxValue->isKnown()" from valueFlowInferCondition (#3739) 
* Fix 10755: Assertion "!maxValue->isKnown()" from valueFlowInferCondition

* Format
 2022-01-22 12:25:20 +01:00
Paul Fultz II 0737cc4d8c
Fix 10708: Assertion "!maxValue->isKnown()" from valueFlowInferCondition (#3736) 
* Fix 10708: Assertion "!maxValue->isKnown()" from valueFlowInferCondition

* Format
 2022-01-21 09:56:24 +01:00
Oliver Stöneberg 55ff684f34
added unusedFunction self check to CI / cleanups (#3526) 2022-01-18 22:02:25 +01:00
Paul Fultz II 4af98f21d6
Fix 10588: crash (#3691) 2022-01-16 12:33:31 +01:00
Paul Fultz II fe7595cd9d
Fix 10677: crash during valueFlowInferCondition (#3687) 2022-01-09 22:43:08 +01:00
Paul Fultz II 50862d1ace
Fix 10665: Crash in ExpressionAnalyzer (#3661) 2022-01-02 08:09:23 +01:00
Paul Fultz II d2926bfa96
ValueFlow: Propagate const variables more aggressively (#3606) 
* ValueFlow: Propagate const variables more aggressively

* Format

* Fix incorrect addition
 2021-12-06 09:16:42 +01:00
chrchr-github ca311ebcdf
ASSERT() on calls to Tokenizer::tokenize() in test code (#3501) 2021-11-29 07:34:39 +01:00
Paul Fultz II 143ddf2758
Fix 10595: FN: std::vector() reserve() (#3581) 
* Fix 10595: FN: std::vector() reserve()

* Format
 2021-11-26 09:50:02 +01:00
chrchr-github ed050659a3
Add test cases, todos for #9790, #10358, #10462 (#3564) 
* Add test cases, todos

* Format

* Remove dupes

* Format
 2021-11-23 23:07:15 +01:00
Daniel Marjamäki f701a9361d chmod; Use 644 for source files 2021-11-17 08:25:25 +01:00
Paul Fultz II a0d3c2c719
Handle for loop conditions in afterCondition (#3561) 2021-11-14 18:30:36 +01:00
Paul Fultz II 771188238c
Fix 10574: ValueFlow: conditional values in constructor initializer list (#3556) 2021-11-11 08:01:10 +01:00
chrchr-github b4561229cb
Partial fix for #10358: set value for int s = int(4); (#3523) 2021-11-08 20:28:55 +01:00
Paul Fultz II 035c70c441
Fix 10578: Value not impossible after check (#3549) 2021-11-07 18:19:56 +01:00
Daniel Marjamäki 0f259a5dc6 Fixed #10222 (regression: arrayIndexOutOfBounds) 2021-11-03 20:16:44 +01:00
chrchr-github 728531aba1
Add test cases for ValueFlow issue with cast/switch (#3527) 2021-10-28 19:49:42 +02:00
Paul Fultz II 48fc70b810
Dont stop analysis when an unrelated class variable is changed (#3518) 2021-10-23 14:47:10 +02:00
chrchr-github c88dceff95
Partial fix for #10358: set value for int s{ 4 }; (#3506) 2021-10-15 20:05:42 +02:00
Paul Fultz II 89515600e4
Fix 10538: FN: nullPointer (std::swap pointers) (#3504) 2021-10-15 10:58:16 +02:00
Paul Fultz II 6b9ef1fc58
Propagate symbolic values for identity operators (#3497) 2021-10-14 16:46:36 +02:00
chrchr-github c4c12df372
Fix escape sequences in test cases (#3499) 2021-10-11 19:16:51 +02:00
Paul Fultz II 52e4bec50a
Fix 10537: FN: knownConditionTrueFalse (std::string::c_str() never returns nullptr) (#3498) 2021-10-11 19:16:12 +02:00
Paul Fultz II 5e9bc48d26
Evaluate symbolic values (#3495) 2021-10-11 19:10:37 +02:00
chrchr-github f3e1f0d41b
Fix #10238: char* confused with char (#3484) 2021-10-05 18:04:48 +02:00
chrchr-github 428144c53c
Fix #10513: vector constructed from pointers (#3473) 2021-10-04 07:55:17 +02:00
Daniel Marjamäki eb50d19657 Uninitvar: Moved testcases for avoiding extra warnings from TestValueFlow to TestUninitVar 2021-10-03 22:15:35 +02:00
Daniel Marjamäki f3d9755e65 UninitVar: too many warnings (pointer dereference) 2021-10-03 18:12:29 +02:00
Daniel Marjamäki 9f2ddf1623 UninitVar: too many warnings (function/cast operand) 2021-10-03 14:47:57 +02:00
chrchr-github 609e20d9d8
ValueFlow: string can be constructed from init list (#3459) 2021-10-02 23:09:49 +02:00
Paul Fultz II 255dc0484a
Fix 10331: wrong conditional value after assignment+return (#3461) 2021-09-21 19:25:41 +02:00
Paul Fultz II b0b3f7ec2d
Fix 10464: FP: knownConditionTrueFalse (#3452) 2021-09-09 07:49:56 +02:00
Paul Fultz II ccb31d8510
Fix 10460: FP knownConditionTrueFalse 'fabs(x)<1/(double)16' is always false (#3445) 2021-09-05 07:10:58 +02:00
Paul Fultz II 928efe77fc
Fix 9765: FP: knownConditionTrueFalse handling of template function with ternary operator (#3443) 2021-09-04 19:55:36 +02:00
Paul Fultz II 9eb5eadd35
Fix 9777: False Positive: Condition is always true with reset/release on unique_ptr (#3440) 2021-09-04 19:06:13 +02:00
Paul Fultz II 8a708e556c
Fix 10456: FP identicalConditionAfterEarlyExit with variable captured by reference (#3439) 2021-09-04 19:05:41 +02:00
Paul Fultz II 740becbddf
Fix 10348: FP knownConditionTrueFalse with condition variable in do ... while loop (#3422) 2021-08-27 05:46:57 +02:00
Paul Fultz II 712ff1c073
Fix 10436: hang: valueFlowSubFunction 'ispunct(c)..' (#3423) 2021-08-27 05:46:33 +02:00
Paul Fultz II 1cd9d0479d
Fix 10433: assertion failure in ValueFlow (Interval::fromValues) (#3419) 2021-08-26 07:46:40 +02:00
Paul Fultz II 8aa37218c2
Fix 10400: FP nullPointer - for loop condition (#3417) 2021-08-25 20:33:41 +02:00
Daniel Marjamäki 11916171fe Fix crash in programmemory, crash found in daca@home package system-root 2021-08-25 06:56:19 +02:00
Paul Fultz II f7ddd7a35d
Fix 10430: FP knownConditionTrueFalse with bool from unsigned char (#3416) 2021-08-25 04:51:54 +02:00
Daniel Marjamäki 37ef29889b Fix 10424: ExpressionAnalyzer assertion failure in librevisa 2021-08-24 16:06:51 +02:00
Paul Fultz II 524db1c756
Fix 10420: assertion error when analysing juce (#3413) 2021-08-23 11:12:42 +02:00
Paul Fultz II 865163b2ba
Add library configurations for free functions like std::size, std::empty, etc (#3410) 2021-08-23 09:03:48 +02:00
Paul Fultz II e62cdbb664
Deduce symbolic values from conditions (#3406) 2021-08-19 22:01:55 +02:00
Paul Fultz II c92dab1329
Fix 10406: FP danglingLifetime with pointer-to-pointer (#3401) 2021-08-14 21:37:17 +02:00
Paul Fultz II b9ac48c90a
Fix 10409: FP 'Condition 's.size()<3' is always false' (#3396) 2021-08-14 06:48:38 +02:00
Paul Fultz II 0f897acecd
Fix FP in solveExpr when using symbolic values (#3391) 2021-08-09 20:41:10 +02:00
Paul Fultz II 7f358b2bed
Format with uncrustify (#3388) 2021-08-07 20:51:18 +02:00
Paul Fultz II 735f716603
Fix 10394 and 10395: FP knownConditionTrueFalse: loop variable (#3381) 2021-08-04 21:07:55 +02:00
Paul Fultz II 8b8ae55490
Fix 10129: false negative: knownConditionTrueFalse (#3382) 
* Add symbolic matching

* Check for truncated values

* Dont propagate uninit values

* Update errorpath test

* Add test case for 10129

* Add test case for FP

* Remove symbolic values that are the same as the token

* Fix test messages

* Fix cppcheck issue

* Format
 2021-08-04 21:07:31 +02:00
Paul Fultz II 61ceff39f5
Fix 10390: FP: knownConditionTrueFalse (#3374) 2021-08-02 10:49:39 +02:00
Daniel Marjamäki 1ec7397c21 astyle formatting 
[ci skip]
 2021-08-01 14:05:30 +02:00
Paul Fultz II 6767b57d4c
Fix FP for symbolic values when the expression is not const (#3370) 2021-07-31 14:19:37 +02:00
Paul Fultz II 3a7ba3cd29
Add symbolic values to ValueFlow (#3367) 2021-07-30 21:29:35 +02:00
Paul Fultz II c34691ff56
Fix 10354: FP knownConditionTrueFalse after bitwise and/xor (#3360) 2021-07-26 22:22:50 +02:00
Paul Fultz II 8e416a7255
Fix issue 10379: FP knownConditionTrueFalse with mod operator (#3354) 2021-07-25 18:13:14 +02:00
Paul Fultz II 00eb71fd49
Remove constexpr -> const simplification (#3346) 2021-07-22 07:22:26 +02:00
orbitcowboy 1be5bb8bbc Running astyle [ci skip] 2021-07-18 10:01:22 +02:00
Paul Fultz II 0b079937e0
Fix 10364: Performance regression (#3340) 2021-07-18 07:48:21 +02:00
Paul Fultz II 59a1c1a9d8
Refactor: Remove variable analyzer (#3339) 2021-07-18 07:46:31 +02:00
Paul Fultz II 9fc5b9472d
Fix 10353: FP knownConditionTrueFalse with conditional assignment (#3333) 2021-07-10 07:35:16 +02:00
Daniel Marjamäki 56924643be Fixed #10347 (ValueFlow: No known value set for sizeof(a[0])) 2021-07-08 18:18:44 +02:00
Paul Fultz II 3b9c399f72
Fix 10338: Hang/Crash in valueflow (#3328) 2021-07-07 08:20:32 +02:00
Paul Fultz II dd178c3ad9
Fix 10314: Possible nullPointerRedundantCheck false positive (#3298) 2021-06-19 13:59:48 +02:00