[0.4.x] Plugin "gforce": heap-use-after-free in method PixPort::Fade #261

[..]
Switching to actor 'gforce'...
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==32059==ERROR: AddressSanitizer: heap-use-after-free on address 0x7fc836f480ac at pc 0x7fc8457252c9 bp 0x7fff991274d0 sp 0x7fff991274c0
READ of size 1 at 0x7fc836f480ac thread T0
    #0 0x7fc8457252c8 in PixPort::Fade(char const*, char*, int, int, int, unsigned int*) [..]/libvisual-plugins/plugins/actor/G-Force/Common/UI/PixPort.cpp:933
    #1 0x7fc845705657 in PixPort::Fade(PixPort&, DeltaFieldData*) ../../../../plugins/actor/G-Force/Common/UI/Headers/PixPort.h:166
    #2 0x7fc845705657 in GForce::RecordSample(long) [..]/libvisual-plugins/plugins/actor/G-Force/GForceCommon/G-Force.cpp:926
    #3 0x7fc8457065f9 in GForce::RecordSample(long, float*, float, long, float*, float, long) [..]/libvisual-plugins/plugins/actor/G-Force/GForceCommon/G-Force.cpp:891
    #4 0x7fc845735366 in lv_gforce_render [..]/libvisual-plugins/plugins/actor/G-Force/unix/libvisual/actor_gforce.cpp:264
    #5 0x7fc84929dce4 in visual_actor_run [..]/libvisual/libvisual/lv_actor.c:774
    #6 0x7fc8492a3af7 in visual_bin_run [..]/libvisual/libvisual/lv_bin.c:867
    #7 0x55ba5dffc6f3 in LV::Bin::run() [..]/libvisual/tools/lv-tool/lv-tool.cpp:111
    #8 0x55ba5dffc6f3 in main [..]/libvisual/tools/lv-tool/lv-tool.cpp:936
    #9 0x7fc848d7d209  (/lib64/libc.so.6+0x2a209)
    #10 0x7fc848d7d2bb in __libc_start_main (/lib64/libc.so.6+0x2a2bb)
    #11 0x55ba5dff9890 in _start ([..]/INSTALL_PREFIX/bin/lv-tool-0.4+0x5890)

0x7fc836f480ac is located 39084 bytes inside of 269280-byte region [0x7fc836f3e800,0x7fc836f803e0)
freed by thread T0 here:
    #0 0x7fc8493ff5df in __interceptor_free /var/tmp/portage/sys-devel/gcc-11.3.1_p20230120-r1/work/gcc-11-20230120/libsanitizer/asan/asan_malloc_linux.cpp:127
    #1 0x7fc8421ed3f3  (/usr/lib64/dri/crocus_dri.so+0x1213f3)

previously allocated by thread T0 here:
    #0 0x7fc84940060a in __interceptor_posix_memalign /var/tmp/portage/sys-devel/gcc-11.3.1_p20230120-r1/work/gcc-11-20230120/libsanitizer/asan/asan_malloc_linux.cpp:226
    #1 0x7fc8421ec448  (/usr/lib64/dri/crocus_dri.so+0x120448)

SUMMARY: AddressSanitizer: heap-use-after-free [..]/libvisual-plugins/plugins/actor/G-Force/Common/UI/PixPort.cpp:933 in PixPort::Fade(char const*, char*, int, int, int, unsigned int*)
Shadow bytes around the buggy address:
  0x0ff986de0fc0: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
  0x0ff986de0fd0: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
  0x0ff986de0fe0: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
  0x0ff986de0ff0: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
  0x0ff986de1000: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
=>0x0ff986de1010: fd fd fd fd fd[fd]fd fd fd fd fd fd fd fd fd fd
  0x0ff986de1020: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
  0x0ff986de1030: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
  0x0ff986de1040: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
  0x0ff986de1050: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
  0x0ff986de1060: fd fd fd fd fd fd fd fd fd fd fd fd fd fd 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
  Shadow gap:              cc
==32059==ABORTING