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IDProjectCategoryView StatusDate SubmittedLast Update
0024909Community[OCCT] OCCT:Modeling Algorithmspublic2014-05-08 13:432020-09-14 22:56
Reportershoogen 
Assigned Toifv 
PrioritynormalSeveritycrash 
StatusnewResolutionopen 
PlatformLinux 64-bitOSDebianOS Version7.4
Product Version 
Target Version[OCCT] 7.6.0*Fixed in Version 
Summary0024909: SIGSEGV in buildsweep
DescriptionSome sweeps cause segmentation faults. The original problem is described http://www.freecadweb.org/tracker/view.php?id=1419 [^] .

version tested 73192b374
Steps To Reproducesource sweep3.draw
TagsNo tags attached.
Test case numberbugs modalg_7 bug24909_1, bug24909_2, bug24909_3
Attached Files? file icon sweep3.draw (520 bytes) 2014-05-08 13:43
? file icon sweep3-draw-Sweep-0-spine.brep (2,746 bytes) 2014-05-08 13:44
? file icon sweep3-draw-Sweep-0-section-00-Sketch.brep (3,587 bytes) 2014-05-08 13:45
? file icon sweep3-draw-Sweep-0-section-01-Sketch001.brep (3,635 bytes) 2014-05-08 13:45
zip file icon minihyd.zip (884 bytes) 2014-10-18 19:23
zip file icon sweep-arc2.zip (2,152 bytes) 2015-01-17 19:04
zip file icon sweep-negpara1.zip (3,230 bytes) 2015-03-20 12:50

- Relationships
has duplicate 0024906closedshoogen Are commands in DRAWEXE for using MakePipeShellApi? 

-  Notes
(0029255)
shoogen (reporter)
2014-05-08 13:53

 if either of the sections is omitted the sweep returns a result.
(0029262)
shoogen (reporter)
2014-05-08 18:08

 the following script reproduces the problem without relying on external BREPs

pload ALL
circle c1 0 0 0 40
mkedge e1 c1
wire w1 e1
tcopy w1 Sketch002
tcopy w1 Sketch001
renamevar w1 Sketch
trotate Sketch 0 0 0 0. 1. 0. 90
ttranslate Sketch 0. 0. 75.
trotate Sketch001 0 0 0 0. 1. 0. 90
ttranslate Sketch001 0. 0. -75.
ttranslate Sketch002 50. 0. 0.
mksweep Sketch002
setsweep -CF
addsweep Sketch001
addsweep Sketch
buildsweep Sweep

#An exception was caught 0x7f61f1538031 : OSD_SIGSEGV: SIGSEGV 'segmentation violation' detected. Address 10
#** Exception ** 0x7f61f1538031 : OSD_SIGSEGV: SIGSEGV 'segmentation violation' detected. Address 10
(0033302)
shoogen (reporter)
2014-10-18 19:28

 #additional example for test case creation

#generated by FreeCAD 0.15.4119 +12 (Git)
pload MODELING
#saved shape of Part::Part2DObjectPython::Draft._BezCurve Object
restore minihyd-draw-BezCurve.brep BezCurve
ttranslate BezCurve 0 -8 0
explode BezCurve E
wire Sweep001-0-spine BezCurve_1
mksweep Sweep001-0-spine
setsweep -CF
circle Circle-curve 0 0 0 18
mkedge Circle-edge Circle-curve 0 0
wire Circle Circle-edge
trotate Circle 0 0 0 0.577350269189625731 0.577350269189625731 0.577350269189625731 120
ttranslate Circle 0 -71 203.5
addsweep Circle
circle Circle001-curve 0 0 0 16
mkedge Circle001-edge Circle001-curve 0 0
wire Circle001 Circle001-edge
trotate Circle001 0 0 0 0.577350269189625731 0.577350269189625731 0.577350269189625731 120
ttranslate Circle001 0 -71 203.5
addsweep Circle001
buildsweep Sweep001 -C -S
donly Sweep001


#SIGSEGV, Segmentation fault.
#0x00007fff8aab9559 in GeomFill_Array1OfSectionLaw::Value (this=0x10, Index=1)
# at occt-eb46b12/inc/TCollection_Array1.lxx:119
#119 Standard_OutOfRange_Raise_if((Index < myLowerBound || Index > myUpperBound),NULL);
(0034897)
shoogen (reporter)
2014-12-01 23:28
edited on: 2014-12-01 23:39

 The test case sweep3.draw seems to be affected by 0025453 it does not longer create a sigsegv but a faulty shape
> checkshape Sweep
On Shape faulty_1 :
BRepCheck_UnorientableShape
Shape faulty_2 on shape faulty_1 :
BRepCheck_BadOrientationOfSubshape
On Shape faulty_3 :
BRepCheck_UnorientableShape
Shape faulty_4 on shape faulty_3 :
BRepCheck_BadOrientationOfSubshape

Faulty shapes in variables faulty_1 to faulty_4


But the other two examples (minihyd and from c29262) still create a SIGSEGV
(0036177)
shoogen (reporter)
2015-01-17 19:04
edited on: 2015-01-17 19:05

 I got a new user report that generates a similar stacktrace. (DRAWEXE example included in sweep-arc2.zip)
(0038725)
shoogen (reporter)
2015-03-20 12:54

 I got a new user report that generates a similar stacktrace. (DRAWEXE example included in sweep-negpara1.zip)
it involves an ellipse with negative parameter range:
"mkedge Ellipse-edge Ellipse-curve 3.141592653589793 0"

Program received signal SIGSEGV, Segmentation fault.
0x00007f97c7135eb1 in GeomFill_Array1OfSectionLaw::Value (this=0x10, Index=1)
    at occt/inc/TCollection_Array1.lxx:119
119	  Standard_OutOfRange_Raise_if((Index < myLowerBound || Index > myUpperBound),NULL);
(0069017)
apv (tester)
2017-08-01 13:24

 Problem described in issue is reproduced on current state of OCCT.

- Issue History
Date Modified Username Field Change
2014-05-08 13:43 shoogen New Issue
2014-05-08 13:43 shoogen Assigned To => ifv
2014-05-08 13:43 shoogen File Added: sweep3.draw
2014-05-08 13:44 shoogen File Added: sweep3-draw-Sweep-0-spine.brep
2014-05-08 13:45 shoogen File Added: sweep3-draw-Sweep-0-section-00-Sketch.brep
2014-05-08 13:45 shoogen File Added: sweep3-draw-Sweep-0-section-01-Sketch001.brep
2014-05-08 13:53 shoogen Note Added: 0029255
2014-05-08 18:08 shoogen Note Added: 0029262
2014-05-22 06:49 abv Relationship added has duplicate 0024906
2014-09-12 14:16 abv Target Version => 7.1.0
2014-10-18 19:23 shoogen File Added: minihyd.zip
2014-10-18 19:28 shoogen Note Added: 0033302
2014-12-01 23:28 shoogen Note Added: 0034897
2014-12-01 23:34 shoogen Note Edited: 0034897 View Revisions
2014-12-01 23:36 shoogen Note Edited: 0034897 View Revisions
2014-12-01 23:39 shoogen Note Edited: 0034897 View Revisions
2015-01-17 19:04 shoogen Note Added: 0036177
2015-01-17 19:04 shoogen File Added: sweep-arc2.zip
2015-01-17 19:05 shoogen Note Edited: 0036177 View Revisions
2015-03-20 12:50 shoogen File Added: sweep-negpara1.zip
2015-03-20 12:54 shoogen Note Added: 0038725
2016-10-28 11:54 msv Target Version 7.1.0 => 7.2.0
2017-07-21 11:34 msv Target Version 7.2.0 => 7.3.0
2017-08-01 13:24 apv Test case number => bugs modalg_7 bug24909_1, bug24909_2, bug24909_3
2017-08-01 13:24 apv Note Added: 0069017
2017-12-05 17:01 msv Target Version 7.3.0 => 7.4.0
2019-08-12 16:37 msv Target Version 7.4.0 => 7.5.0
2020-09-14 22:56 msv Target Version 7.5.0 => 7.6.0*

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