==24331==ERROR: AddressSanitizer: heap-use-after-free on address 0x6030000162b8 at pc 0x7fe28009766e bp 0x7ffe8ca42620 sp 0x7ffe8ca41dc8
READ of size 6 at 0x6030000162b8 thread T0
    #0 0x7fe28009766d  (/usr/lib/x86_64-linux-gnu/libasan.so.4+0x5166d)
    #1 0x7fe27456412b in QCoreApplication::arguments() (/usr/lib/x86_64-linux-gnu/libQt5Core.so.5+0x28412b)
    #2 0x7fe25abfdf80  (/usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5+0x46f80)
    #3 0x7fe25abfe47c in QXcbIntegration::wmClass() const (/usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5+0x4747c)
    #4 0x7fe25ac1301f in QXcbWindow::create() (/usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5+0x5c01f)
    #5 0x7fe25abff69e in QXcbIntegration::createPlatformWindow(QWindow*) const (/usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5+0x4869e)
    #6 0x7fe274b3202d in QWindowPrivate::create(bool, unsigned long long) (/usr/lib/x86_64-linux-gnu/libQt5Gui.so.5+0x11d02d)
    #7 0x7fe27b074acc in KisOpenGLModeProber::probeFormat(QSurfaceFormat const&, bool) /home/wolthera/krita/src/libs/ui/opengl/KisOpenGLModeProber.cpp:146
    #8 0x7fe27b00bac0 in KisOpenGL::selectSurfaceFormat(KisOpenGL::OpenGLRenderer, KisConfig::RootSurfaceFormat, bool) /home/wolthera/krita/src/libs/ui/opengl/kis_opengl.cpp:602
    #9 0x555bab9ef69b in main /home/wolthera/krita/src/krita/main.cc:195
    #10 0x7fe27396fb96 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
    #11 0x555bab9ecba9 in _start (/home/wolthera/krita/inst/bin/krita+0x24dbba9)

0x6030000162b8 is located 24 bytes inside of 30-byte region [0x6030000162a0,0x6030000162be)
freed by thread T0 here:
    #0 0x7fe2801247b8 in __interceptor_free (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xde7b8)
    #1 0x7fe27aa06421 in QTypedArrayData<char>::deallocate(QArrayData*) /usr/include/x86_64-linux-gnu/qt5/QtCore/qarraydata.h:239
    #2 0x7fe27aa0406e in QByteArray::~QByteArray() /usr/include/x86_64-linux-gnu/qt5/QtCore/qbytearray.h:476
    #3 0x7fe27b074a25 in KisOpenGLModeProber::probeFormat(QSurfaceFormat const&, bool) /home/wolthera/krita/src/libs/ui/opengl/KisOpenGLModeProber.cpp:138
    #4 0x7fe27b00bac0 in KisOpenGL::selectSurfaceFormat(KisOpenGL::OpenGLRenderer, KisConfig::RootSurfaceFormat, bool) /home/wolthera/krita/src/libs/ui/opengl/kis_opengl.cpp:602
    #5 0x555bab9ef69b in main /home/wolthera/krita/src/krita/main.cc:195
    #6 0x7fe27396fb96 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)

previously allocated by thread T0 here:
    #0 0x7fe280124b50 in __interceptor_malloc (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xdeb50)
    #1 0x7fe274395071 in QArrayData::allocate(unsigned long, unsigned long, unsigned long, QFlags<QArrayData::AllocationOption>) (/usr/lib/x86_64-linux-gnu/libQt5Core.so.5+0xb5071)

SUMMARY: AddressSanitizer: heap-use-after-free (/usr/lib/x86_64-linux-gnu/libasan.so.4+0x5166d) 
Shadow bytes around the buggy address:
  0x0c067fffac00: 00 00 00 00 fa fa fd fd fd fd fa fa 00 00 00 00
  0x0c067fffac10: fa fa fd fd fd fd fa fa fd fd fd fd fa fa fd fd
  0x0c067fffac20: fd fd fa fa fd fd fd fd fa fa fd fd fd fd fa fa
  0x0c067fffac30: fd fd fd fd fa fa 00 00 00 00 fa fa fd fd fd fa
  0x0c067fffac40: fa fa fd fd fd fd fa fa 00 00 00 00 fa fa 00 00
=>0x0c067fffac50: 00 04 fa fa fd fd fd[fd]fa fa fd fd fd fd fa fa
  0x0c067fffac60: fd fd fd fd fa fa fd fd fd fd fa fa 00 00 00 00
  0x0c067fffac70: fa fa fd fd fd fd fa fa 00 00 00 00 fa fa 00 00
  0x0c067fffac80: 00 00 fa fa fd fd fd fd fa fa fd fd fd fd fa fa
  0x0c067fffac90: fd fd fd fd fa fa fd fd fd fd fa fa fd fd fd fd
  0x0c067fffaca0: fa fa fd fd fd fd fa fa fd fd fd fd fa fa fd fd
Shadow byte legend (one shadow byte represents 8 application bytes):
  Addressable:           00
  Partially addressable: 01 02 03 04 05 06 07 
  Heap left redzone:       fa
  Freed heap region:       fd
  Stack left redzone:      f1
  Stack mid redzone:       f2
  Stack right redzone:     f3
  Stack after return:      f5
  Stack use after scope:   f8
  Global redzone:          f9
  Global init order:       f6
  Poisoned by user:        f7
  Container overflow:      fc
  Array cookie:            ac
  Intra object redzone:    bb
  ASan internal:           fe
  Left alloca redzone:     ca
  Right alloca redzone:    cb
==24331==ABORTING