Bug 415998 - Crash when clicking an empty layer with liquify tool
Summary: Crash when clicking an empty layer with liquify tool
Status: RESOLVED FIXED
Alias: None
Product: krita
Classification: Applications
Component: Tools/Transform (show other bugs)
Version: nightly build (please specify the git hash!)
Platform: Microsoft Windows Microsoft Windows
: NOR normal
Target Milestone: ---
Assignee: Krita Bugs
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2020-01-08 11:34 UTC by acc4commissions
Modified: 2020-01-10 10:18 UTC (History)
1 user (show)

See Also:
Latest Commit:
Version Fixed In:
Sentry Crash Report:


Attachments

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Description acc4commissions 2020-01-08 11:34:14 UTC
SUMMARY
git 0875026

The title says it all.

STEPS TO REPRODUCE
1. Select a transform tool > liquify
2. Select any empty layer, and click the canvas.
3. Crash


SOFTWARE/OS VERSIONS
Windows: Win7
macOS: 
Linux/KDE Plasma: 
(available in About System)
KDE Plasma Version: 
KDE Frameworks Version: 
Qt Version: 

ADDITIONAL INFORMATION



Error occurred on Wednesday, January 8, 2020 at 20:29:21.

krita.exe caused an Access Violation at location 000007FECB4974AE in module libkritaimage.dll Reading from location 0000000000000000.

AddrPC           Params
000007FECB4974AE 000000004110FA70 000000004110F7E8 000007FEE2C31575  libkritaimage.dll!0x1d74ae KisLiquifyTransformWorker::run+0x7e
000007FEC491B827 000000004110FB70 000000004110FCB8 0000000025CA69F0  kritatooltransform.dll!0x3b827 KisTransformUtils::transformDevice+0x307
000007FEC4922A04 000000002BEC3710 000007FEFF0713D2 0000000000000003  kritatooltransform.dll!0x42a04 TransformStrokeStrategy::transformAndMergeDevice+0x74
000007FEC4924224 0000000000000001 0000000007887F90 000000002BEC3680  kritatooltransform.dll!0x44224 TransformStrokeStrategy::doStrokeCallback+0x16b4
000007FECB5A1904 0000000000000010 0000000025CA6EB0 0000000050A77400  libkritaimage.dll!0x2e1904 KisUpdateJobItem::run+0x94
000007FECECD8620 0000000007887F90 0000000050A77400 0000000000000000  Qt5Core.dll!0x28620 QThreadPool::tryStart+0x520
000007FECECD163F 0000000000000000 0000000000000000 0000000000000000  Qt5Core.dll!0x2163f QThread::qt_metacall+0x69f
0000000076FC556D 0000000000000000 0000000000000000 0000000000000000  kernel32.dll!0x1556d BaseThreadInitThunk+0xd
000000007712372D 0000000000000000 0000000000000000 0000000000000000  ntdll.dll!0x5372d RtlUserThreadStart+0x1d

0000000140000000-0000000140F84000 krita.exe
00000000770D0000-000000007726F000 ntdll.dll   	6.1.7601.24540
000007FEEDDA0000-000007FEEDDB4000 aswhook.dll 	19.8.4793.0
0000000076FB0000-00000000770CF000 kernel32.dll	6.1.7601.24540
000007FEFCC70000-000007FEFCCD7000 KERNELBASE.dll	6.1.7601.24540
000007FEF4BE0000-000007FEF4C28000 libkritaglobal.dll
000007FEFAFD0000-000007FEFAFDE000 libkritaversion.dll
0000000061440000-000000006145A000 libgcc_s_seh-1.dll
000007FEFF070000-000007FEFF10F000 msvcrt.dll  	7.0.7601.17744
0000000064940000-0000000064955000 libwinpthread-1.dll	1.0.0.0
000000006FC40000-000000006FDA5000 libstdc++-6.dll
0000000076EB0000-0000000076FAA000 USER32.dll  	6.1.7601.24540
000007FEFF110000-000007FEFF177000 GDI32.dll   	6.1.7601.24540
000007FEFF180000-000007FEFF18E000 LPK.dll     	6.1.7601.24537
000007FEFE820000-000007FEFE8EB000 USP10.dll   	1.626.7601.24535
000007FECECB0000-000007FECF2DB000 Qt5Core.dll 	5.12.5.0
000007FEFF2C0000-000007FEFF39B000 ADVAPI32.dll	6.1.7601.24540
000007FEFEDA0000-000007FEFEDBF000 sechost.dll 	6.1.7601.18869
000007FEFF190000-000007FEFF2BC000 RPCRT4.dll  	6.1.7601.24540
000007FEF5350000-000007FEF5368000 MPR.dll     	6.1.7600.16385
000007FEFAAC0000-000007FEFAAD6000 NETAPI32.dll	6.1.7601.17887
000007FEFA900000-000007FEFA90C000 netutils.dll	6.1.7601.17514
000007FEFC6C0000-000007FEFC6E3000 srvcli.dll  	6.1.7601.17514
000007FEFA8C0000-000007FEFA8D5000 wkscli.dll  	6.1.7601.17514
000007FEFCFF0000-000007FEFD1EF000 ole32.dll   	6.1.7601.24537
000007FEFD790000-000007FEFE51B000 SHELL32.dll 	6.1.7601.24468
000007FEFEDC0000-000007FEFEE31000 SHLWAPI.dll 	6.1.7601.17514
000007FEFCCE0000-000007FEFCCFF000 USERENV.dll 	6.1.7601.24535
000007FEFCC20000-000007FEFCC2F000 profapi.dll 	6.1.7600.16385
000007FEFBC90000-000007FEFBC9C000 VERSION.dll 	6.1.7600.16385
000007FEFABF0000-000007FEFAC2B000 WINMM.dll   	6.1.7600.16385
000007FEFD740000-000007FEFD78D000 WS2_32.dll  	6.1.7601.23451
000007FEFCFE0000-000007FEFCFE8000 NSI.dll     	6.1.7601.23889
000007FEE4390000-000007FEE43E6000 libKF5I18n.dll
000007FEFA270000-000007FEFA28E000 libintl.DLL 	0.18.0.0
000007FEF4BC0000-000007FEF4BD2000 iconv.dll
000007FECDE30000-000007FECE44B000 Qt5Gui.dll  	5.12.5.0
000007FECD8C0000-000007FECDE2D000 Qt5Widgets.dll	5.12.5.0
000007FEFBCA0000-000007FEFBCB8000 dwmapi.dll  	6.1.7601.18917
000007FEFB5B0000-000007FEFB606000 UxTheme.dll 	6.1.7600.16385
000007FEE3160000-000007FEE319B000 Qt5Xml.dll  	5.12.5.0
000007FECB2C0000-000007FECB80F000 libkritaimage.dll
000007FEF4BA0000-000007FEF4BBF000 libkritacommand.dll
000007FEE2B60000-000007FEE2C94000 libkritawidgetutils.dll
000007FEE30C0000-000007FEE3153000 libkritaodf.dll
000007FEF06D0000-000007FEF06F3000 libkritaplugin.dll
000007FEE2B00000-000007FEE2B5E000 libKF5ConfigCore.dll
000007FEE4820000-000007FEE4842000 libkritastore.dll
000007FEE2AB0000-000007FEE2AF1000 libKF5Archive.dll
0000000063CC0000-0000000063CEC000 liblzma.dll 	5.2.4.0
000007FEE45D0000-000007FEE45F0000 libzlib.dll 	1.2.11.0
000007FEE3C80000-000007FEE3CB0000 libquazip5.dll
000007FEE3B30000-000007FEE3B59000 libKF5ConfigGui.dll
000007FEE2A10000-000007FEE2AA5000 libKF5CoreAddons.dll
000007FEFC1B0000-000007FEFC1E0000 LOGONCLI.DLL	6.1.7601.17514
000007FEFA700000-000007FEFA714000 SAMCLI.DLL  	6.1.7601.17514
000007FEE1DE0000-000007FEE1E0A000 libKF5GuiAddons.dll
000007FEE1DA0000-000007FEE1DDD000 libKF5ItemViews.dll
000007FED68F0000-000007FED6A1B000 libKF5WidgetsAddons.dll
000007FEE1D70000-000007FEE1D9D000 libKF5WindowSystem.dll
000007FEE1BC0000-000007FEE1C18000 Qt5PrintSupport.dll	5.12.5.0
000007FEFD4C0000-000007FEFD557000 comdlg32.dll	6.1.7601.17514
000007FEF2A80000-000007FEF2B20000 COMCTL32.dll	5.82.7601.18837
000007FEF40F0000-000007FEF4161000 WINSPOOL.DRV	6.1.7601.24383
000007FEE1D30000-000007FEE1D68000 libkritametadata.dll
000007FED6470000-000007FED66F2000 libkritapigment.dll
000007FEE1B70000-000007FEE1BBE000 libHalf.dll
000007FED6890000-000007FED68EF000 libkritapsd.dll
000007FECD7A0000-000007FECD8B1000 libfftw3.dll
000007FEC9DE0000-000007FECB2B9000 libkritaui.dll
000007FEFA1D0000-000007FEFA1DE000 libkritacolor.dll
000007FECD020000-000007FECD237000 libkritaflake.dll
000007FED6410000-000007FED6463000 Qt5Svg.dll  	5.12.5.0
000007FEE1880000-000007FEE18A1000 libkritaimpex.dll
000007FED63A0000-000007FED640A000 libkritalibbrush.dll
000007FECD680000-000007FECD79E000 libkritawidgets.dll
000007FEF4B90000-000007FEF4BA0000 Qt5Concurrent.dll	5.12.5.0
000007FECCDA0000-000007FECD017000 libexiv2.dll
0000000077270000-0000000077277000 PSAPI.DLL   	6.1.7600.16385
000007FEDE860000-000007FEDE895000 libexpat.dll
000007FECEC70000-000007FECECA9000 libKF5Completion.dll
000007FECEC30000-000007FECEC6E000 libpng16.dll
000007FECD3C0000-000007FECD4B3000 Qt5Multimedia.dll	5.12.5.0
000007FECC970000-000007FECCAFD000 Qt5Network.dll	5.12.5.0
000007FEFCE70000-000007FEFCFDD000 CRYPT32.dll 	6.1.7601.24499
000007FEFCC30000-000007FEFCC3F000 MSASN1.dll  	6.1.7601.17514
000007FEFC1E0000-000007FEFC23B000 DNSAPI.dll  	6.1.7601.24168
000007FEFA510000-000007FEFA537000 IPHLPAPI.DLL	6.1.7601.17514
000007FEFA500000-000007FEFA50B000 WINNSI.DLL  	6.1.7601.23889
000007FEC9B30000-000007FEC9DD5000 libcrypto-1_1-x64.dll	1.1.1.2
000007FECC8E0000-000007FECC966000 libssl-1_1-x64.dll	1.1.1.2
000007FEFE790000-000007FEFE7BE000 IMM32.DLL   	6.1.7600.16385
000007FEFE520000-000007FEFE62B000 MSCTF.dll   	6.1.7601.24520
000007FEFCA80000-000007FEFCA8F000 cryptbase.dll	6.1.7601.24540
000000006A880000-000000006AA36000 qwindows.dll	5.12.5.0
000007FEFE630000-000007FEFE70B000 OLEAUT32.dll	6.1.7601.24537
000007FEFBCF0000-000007FEFBD01000 WTSAPI32.dll	6.1.7600.16385
000007FEF3860000-000007FEF38DF000 tiptsf.dll  	6.1.7601.18984
000007FEC98F0000-000007FEC9B29000 wintab32.dll	1.0.5.10
000007FEFBC80000-000007FEFBC83000 api-ms-win-core-synch-l1-2-0.DLL	10.0.14393.2990
000007FEEF790000-000007FEEF9F7000 Wacom_Tablet.dll	6.3.38.2
000007FEF9B00000-000007FEF9CFF000 d3d9.dll    	6.1.7601.17514
000007FEF9AC0000-000007FEF9AC7000 d3d8thk.dll 	6.1.7600.16385
000007FEC97D0000-000007FEC98ED000 opengl32.dll	6.1.7600.16385
000007FECEC00000-000007FECEC2D000 GLU32.dll   	6.1.7600.16385
000007FEE1E10000-000007FEE1F01000 DDRAW.dll   	6.1.7600.16385
000007FEF0690000-000007FEF0698000 DCIMAN32.dll	6.1.7601.24537
000007FEFD560000-000007FEFD737000 SETUPAPI.dll	6.1.7601.17514
000007FEFCD60000-000007FEFCD96000 CFGMGR32.dll	6.1.7601.17514
000007FEFCC40000-000007FEFCC5A000 DEVOBJ.dll  	6.1.7600.16385
000007FECEBD0000-000007FECEBF7000 atig6pxx.dll	26.20.11015.5009
000007FEC7140000-000007FEC97CF000 atio6axx.dll	26.20.11015.5009
000007FEEF300000-000007FEEF321000 dxva2.dll   	6.1.7600.16385
000007FECD640000-000007FECD679000 atig6txx.dll	26.20.11015.5009
000007FEC6F90000-000007FEC7138000 atiadlxx.dll	26.20.11015.5009
000007FEFB610000-000007FEFB73C000 PROPSYS.dll 	7.0.7601.17514
000007FEFCD00000-000007FEFCD3B000 WINTRUST.dll	6.1.7601.24499
000007FEFC3C0000-000007FEFC3D8000 CRYPTSP.dll 	6.1.7601.24499
000007FEFC0C0000-000007FEFC107000 rsaenh.dll  	6.1.7600.16385
000007FEFCB70000-000007FEFCB84000 RpcRtRemote.dll	6.1.7601.17514
000007FEF4A30000-000007FEF4A40000 libEGL.DLL  	5.12.5.0
000007FEC6BB0000-000007FEC6F89000 libGLESv2.dll	5.12.5.0
000000006CC40000-000000006CC74000 qwindowsvistastyle.dll	5.12.5.0
000007FEE1B50000-000007FEE1B62000 kimg_exr.dll
000007FEE2370000-000007FEE2383000 libIex.dll
000007FEC6910000-000007FEC6BAB000 libIlmImf.dll
000007FEF4930000-000007FEF493F000 libIlmThread.dll
000007FEE1770000-000007FEE178A000 libImath.dll
000007FECD620000-000007FECD631000 kimg_kra.dll
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000007FECC8C0000-000007FECC8D3000 kimg_pcx.dll
000007FECC8A0000-000007FECC8B3000 kimg_pic.dll
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000007FECC820000-000007FECC831000 kimg_tga.dll
000007FECC800000-000007FECC81E000 kimg_xcf.dll
0000000061F00000-0000000061F13000 qgif.dll    	5.12.5.0
000000006C600000-000000006C615000 qicns.dll   	5.12.5.0
000000006E840000-000000006E853000 qico.dll    	5.12.5.0
00000000626C0000-0000000062729000 qjpeg.dll   	5.12.5.0
0000000061B00000-0000000061B11000 qsvg.dll    	5.12.5.0
000000006CF00000-000000006CF71000 qtiff.dll   	5.12.5.0
0000000066AC0000-0000000066AD1000 qwbmp.dll   	5.12.5.0
00000000675C0000-0000000067652000 qwebp.dll   	5.12.5.0
000007FEC68F0000-000007FEC6901000 exchndl.dll 	0.8.2.0
000007FEC6880000-000007FEC68E2000 mgwhelp.dll 	0.8.2.0
000007FEC66F0000-000007FEC687F000 dbghelp.dll 	6.3.9600.17298
000007FEED610000-000007FEED7A8000 dwrite.dll  	6.2.9200.22902
000007FEFEE40000-000007FEFEED9000 CLBCatQ.DLL 	2001.12.8530.16385
000007FEC66D0000-000007FEC66E5000 krita_shape_image.dll
000007FEC65F0000-000007FEC66CD000 krita_shape_text.dll
000007FEC6460000-000007FEC65E7000 libkritatext.dll
000007FEC63E0000-000007FEC6454000 libkritatextlayout.dll
000007FEC63A0000-000007FEC63DF000 krita_shape_artistictext.dll
000007FEC6330000-000007FEC6392000 krita_shape_paths.dll
000007FEC6310000-000007FEC6328000 kritaasccdl.dll
000007FEC62D0000-000007FEC6302000 kritablurfilter.dll
000007FEC6280000-000007FEC62CA000 kritacolorsfilters.dll
000007FEC6260000-000007FEC6279000 kritaconvertheighttonormalmap.dll
000007FEC6240000-000007FEC6255000 kritaconvolutionfilters.dll
000007FEC6220000-000007FEC6234000 kritadodgeburn.dll
000007FEC6200000-000007FEC6219000 kritaedgedetection.dll
000007FEC61E0000-000007FEC61F3000 kritaembossfilter.dll
000007FEC61C0000-000007FEC61D4000 kritaexample.dll
000007FEC61A0000-000007FEC61BA000 kritaextensioncolorsfilters.dll
000007FEC6180000-000007FEC6198000 kritafastcolortransferfilter.dll
000007FEC6150000-000007FEC6175000 kritagaussianhighpassfilter.dll
000007FEC6130000-000007FEC614F000 kritagradientmap.dll
000007FEC6110000-000007FEC612C000 kritahalftone.dll
000007FEC60E0000-000007FEC610B000 kritaimageenhancement.dll
000007FEC60C0000-000007FEC60DD000 kritaindexcolors.dll
000007FEC60A0000-000007FEC60B9000 kritalevelfilter.dll
000007FEC6080000-000007FEC6098000 kritanoisefilter.dll
000007FEC6060000-000007FEC6075000 kritanormalize.dll
000007FEC6040000-000007FEC6057000 kritaoilpaintfilter.dll
000007FEC6010000-000007FEC6036000 kritapalettize.dll
000007FEC5FE0000-000007FEC6006000 kritaphongbumpmap.dll
000007FEC5FC0000-000007FEC5FD7000 kritapixelizefilter.dll
000007FEC5FA0000-000007FEC5FB6000 kritaposterize.dll
000007FEC5F80000-000007FEC5F94000 kritaraindropsfilter.dll
000007FEC5F60000-000007FEC5F79000 kritarandompickfilter.dll
000007FEC5F40000-000007FEC5F57000 kritaroundcornersfilter.dll
000007FEC5F20000-000007FEC5F35000 kritasmalltilesfilter.dll
000007FEC5F00000-000007FEC5F1A000 kritathreshold.dll
000007FEC5ED0000-000007FEC5EF3000 kritaunsharpfilter.dll
000007FEC5EB0000-000007FEC5ECB000 kritawavefilter.dll
000007FEC5E90000-000007FEC5EA8000 kritacolorgenerator.dll
000007FEC5E70000-000007FEC5E88000 kritapatterngenerator.dll
000007FEC5E50000-000007FEC5E6E000 kritasimplexnoisegenerator.dll
000007FEC5E10000-000007FEC5E47000 kritacolorsmudgepaintop.dll
000007FEC5CF0000-000007FEC5E06000 libkritalibpaintop.dll
000007FEC5150000-000007FEC5CE8000 kritalcmsengine.dll
000007FEC50F0000-000007FEC5143000 liblcms2.dll
000007FEC50B0000-000007FEC50EA000 krita_colorspaces_extensions.dll
000007FEC5080000-000007FEC50AB000 kritacurvepaintop.dll
000007FEC5020000-000007FEC507A000 kritadefaultpaintops.dll
000007FEC4FE0000-000007FEC5015000 kritadeformpaintop.dll
000007FEC4FB0000-000007FEC4FDD000 kritaexperimentpaintop.dll
000007FEC4F80000-000007FEC4FA8000 kritafilterop.dll
000007FEC4F50000-000007FEC4F73000 kritagridpaintop.dll
000007FEC4F10000-000007FEC4F41000 kritahairypaintop.dll
000007FEC4ED0000-000007FEC4F07000 kritahatchingpaintop.dll
000007FEC4EA0000-000007FEC4EC8000 kritaparticlepaintop.dll
000007FEC4E70000-000007FEC4E96000 kritaroundmarkerpaintop.dll
000007FEC4E40000-000007FEC4E6C000 kritasketchpaintop.dll
000007FEC4E00000-000007FEC4E3D000 kritaspraypaintop.dll
000007FEC4DD0000-000007FEC4DFB000 kritatangentnormalpaintop.dll
000007FEC4D90000-000007FEC4DCF000 krita_filtereffects.dll
000007FEFC9F0000-000007FEFCA15000 SspiCli.dll 	6.1.7601.24540
000007FEC4D40000-000007FEC4D84000 kritaassistanttool.dll
000007FEC4CE0000-000007FEC4D38000 krita_flaketools.dll
000007FEC4C70000-000007FEC4CDE000 krita_karbontools.dll
000007FEC4C20000-000007FEC4C61000 krita_tool_svgtext.dll
000007FEC4B90000-000007FEC4C19000 kritadefaulttools.dll
000007FEC4B70000-000007FEC4B8B000 libkritabasicflakes.dll
000007FEEDDE0000-000007FEEDDF0000 libboost_system-mgw73-mt-1_61.dll
000007FEC4AD0000-000007FEC4B6C000 kritaselectiontools.dll
000007FEC4AA0000-000007FEC4ACE000 kritatoolSmartPatch.dll
000007FEC4A70000-000007FEC4A9C000 kritatoolcrop.dll
000007FEC4A50000-000007FEC4A67000 kritatooldyna.dll
000007FEC4A20000-000007FEC4A44000 kritatoollazybrush.dll
000007FEC4A00000-000007FEC4A17000 kritatoolpolygon.dll
000007FEC49E0000-000007FEC49F6000 kritatoolpolyline.dll
000007FEC48E0000-000007FEC49D9000 kritatooltransform.dll
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000007FEC4810000-000007FEC4827000 kritasvgcollectiondocker.dll
000007FEC47F0000-000007FEC4809000 kritaarrangedocker.dll
000007FEC47C0000-000007FEC47F0000 kritaartisticcolorselector.dll
000007FEC4790000-000007FEC47B2000 kritachanneldocker.dll
000007FEC4720000-000007FEC4782000 kritacolorselectorng.dll
0000000070700000-0000000070714000 qsvgicon.dll	5.12.5.0
000007FEC4700000-000007FEC471F000 kritacompositiondocker.dll
000007FEC46E0000-000007FEC46F5000 kritadigitalmixer.dll
000007FEC46B0000-000007FEC46DC000 kritagamutmask.dll
000007FEC4690000-000007FEC46AD000 kritagriddocker.dll
000007FEC4670000-000007FEC4688000 kritahistogramdocker.dll
000007FEC4650000-000007FEC4670000 kritahistorydocker.dll
000007FEC4600000-000007FEC4642000 kritalayerdocker.dll
000007FEC45E0000-000007FEC45FA000 kritalogdocker.dll
000007FEC45B0000-000007FEC45DA000 kritalutdocker.dll
000007FEC4450000-000007FEC45A2000 libOpenColorIO.dll
000007FEC4430000-000007FEC444C000 kritaoverviewdocker.dll
000007FEC4410000-000007FEC442E000 kritapalettedocker.dll
000007FEC43F0000-000007FEC4403000 kritapatterndocker.dll
000007FEC43D0000-000007FEC43E4000 kritapresetdocker.dll
000007FEC43B0000-000007FEC43C5000 kritapresethistory.dll
000007FEC4380000-000007FEC43A1000 kritasmallcolorselector.dll
000007FEC4360000-000007FEC437D000 kritasnapshotdocker.dll
000007FEC4340000-000007FEC435C000 kritaspecificcolorselector.dll
000007FEC4310000-000007FEC4338000 kritatasksetdocker.dll
000007FEC42F0000-000007FEC430C000 kritatouchdocker.dll
000007FEC41D0000-000007FEC42E8000 libkritaqml.dll
000007FEC3DD0000-000007FEC41C6000 Qt5Qml.dll  	5.12.5.0
000007FEC39E0000-000007FEC3DCD000 Qt5Quick.dll	5.12.5.0
000007FEC39C0000-000007FEC39D9000 Qt5QuickWidgets.dll	5.12.5.0
0000000067580000-00000000675A2000 qgenericbearer.dll	5.12.5.0
000007FEFA380000-000007FEFA391000 dhcpcsvc6.DLL	6.1.7601.24498
000007FEFA320000-000007FEFA338000 dhcpcsvc.DLL	6.1.7601.24498
000007FEC3980000-000007FEC39C0000 kritaanimationrenderer.dll
000007FEC3960000-000007FEC3977000 kritabuginfo.dll
000007FEC3940000-000007FEC395D000 kritaclonesarray.dll
000007FEC3910000-000007FEC3931000 kritacolorrange.dll
000007FEC38F0000-000007FEC390A000 kritacolorspaceconversion.dll
000007FEC38B0000-000007FEC38E1000 kritaimagesize.dll
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Windows 6.1.7601
DrMingw 0.8.2
Comment 1 Halla Rempt 2020-01-08 11:39:40 UTC
KisLiquifyTransformWorker::run(KisSharedPtr<KisPaintDevice>) ()
    at /home/boud/dev/krita/libs/image/kis_liquify_transform_worker.cpp:441
441         Private::MapIndexesOp indexesOp(m_d.data());
(gdb) bt
#0  0x00007ffff560e648 in KisLiquifyTransformWorker::run(KisSharedPtr<KisPaintDevice>) (this=0x0, device=...)
    at /home/boud/dev/krita/libs/image/kis_liquify_transform_worker.cpp:441
#1  0x00007fffb9879485 in KisTransformUtils::transformDevice(ToolTransformArgs const&, KisSharedPtr<KisPaintDevice>, KisProcessingVisitor::ProgressHelper*) (config=..., device=..., helper=<optimized out>)
    at /usr/include/c++/8/bits/atomic_base.h:295
#2  0x00007fffb9883998 in TransformStrokeStrategy::transformAndMergeDevice(ToolTransformArgs const&, KisSharedPtr<KisPaintDevice>, KisSharedPtr<KisPaintDevice>, KisProcessingVisitor::ProgressHelper*) (this=
    0x5555613a3ad0, helper=0x7fff877fdb30, dst=..., src=..., config=...)
    at /usr/include/c++/8/bits/atomic_base.h:295
#3  0x00007fffb9883998 in TransformStrokeStrategy::doStrokeCallback(KisStrokeJobData*) (this=0x5555613a3ad0, data=<optimized out>) at /home/boud/dev/krita/plugins/tools/tool_transform2/strokes/transform_stroke_strategy.cpp:264
#4  0x00007ffff56da3dc in non-virtual thunk to KisUpdateJobItem::run() ()
    at /home/boud/dev/i-krita/lib/x86_64-linux-gnu/libkritaimage.so.19
#5  0x00007ffff3230472 in QThreadPoolThread::run() (this=0x555561c5c5d0) at thread/qthreadpool.cpp:99
#6  0x00007ffff322cb52 in QThreadPrivate::start(void*) (arg=0x555561c5c5d0) at thread/qthread_unix.cpp:360
#7  0x00007fffec4326db in start_thread (arg=0x7fff877fe700) at pthread_create.c:463
#8  0x00007ffff291188f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Comment 2 Halla Rempt 2020-01-10 10:18:56 UTC
Git commit a32257df87731be6abce193784bbd15ec78bf807 by Boudewijn Rempt.
Committed on 10/01/2020 at 10:18.
Pushed by rempt into branch 'master'.

Check pointer before dereferencing

M  +1    -1    plugins/tools/tool_transform2/kis_transform_utils.cpp
M  +2    -1    plugins/tools/tool_transform2/strokes/transform_stroke_strategy.cpp

https://invent.kde.org/kde/krita/commit/a32257df87731be6abce193784bbd15ec78bf807