regedit crashes when saving REG_MULTI_SZ value

*** Assertion failed: FreeEntry->Size != 0

***   Source File: /srv/buildbot/worker_data/Build_GCCLin_x86/build/sdk/lib/rtl/heap.c, line 440

Break repeatedly, break Once, Ignore, terminate Process or terminate Thread (boipt)? 

kdb:> i

Unhandled exception

ExceptionCode:    c0000005

Faulting Address: 20230A38

CS:EIP 1b:7c947fea

DS 23 ES 23 FS 3b GS 0

EAX: 00230a3c   EBX: 002595a0   ECX: ffffffff

EDX: 07ffffff   EBP: 0022db48   ESI: 00230000   ESP: 0022db48

EDI: ffffffff   EFLAGS: 00010a07

Address:

<ntdll.dll:27fea> (C:\ReactOS\System32\ntdll.dll@7c920000)

Frames:

<ntdll.dll:2cd24> (C:\ReactOS\System32\ntdll.dll@7c920000)

<ntdll.dll:2e54d> (C:\ReactOS\System32\ntdll.dll@7c920000)

<ntdll.dll:2f522> (C:\ReactOS\System32\ntdll.dll@7c920000)

<regedit.exe:746c> (C:\ReactOS\regedit.exe@400000)

<regedit.exe:bfb5> (C:\ReactOS\regedit.exe@400000)

<regedit.exe:ccfa> (C:\ReactOS\regedit.exe@400000)

<user32.dll:6c6fe> (C:\ReactOS\system32\user32.dll@77a20000)

<user32.dll:605f3> (C:\ReactOS\system32\user32.dll@77a20000)

<user32.dll:60a35> (C:\ReactOS\system32\user32.dll@77a20000)

<user32.dll:6164a> (C:\ReactOS\system32\user32.dll@77a20000)

<regedit.exe:1072b> (C:\ReactOS\regedit.exe@400000)

<regedit.exe:235b> (C:\ReactOS\regedit.exe@400000)

<user32.dll:6c6fe> (C:\ReactOS\system32\user32.dll@77a20000)

<user32.dll:605f3> (C:\ReactOS\system32\user32.dll@77a20000)

<user32.dll:60a35> (C:\ReactOS\system32\user32.dll@77a20000)

<user32.dll:6164a> (C:\ReactOS\system32\user32.dll@77a20000)

<comctl32.dll:3f701> (C:\ReactOS\winsxs\x86_microsoft.windows.common-controls_6595b64144ccf1df_6.0.2600.2982_none_deadbeef\comctl32.dll@7b9e0000)

<comctl32.dll:45a2a> (C:\ReactOS\winsxs\x86_microsoft.windows.common-controls_6595b64144ccf1df_6.0.2600.2982_none_deadbeef\comctl32.dll@7b9e0000)

<comctl32.dll:56bea> (C:\ReactOS\winsxs\x86_microsoft.windows.common-controls_6595b64144ccf1df_6.0.2600.2982_none_deadbeef\comctl32.dll@7b9e0000)

<user32.dll:6c6fe> (C:\ReactOS\system32\user32.dll@77a20000)

<user32.dll:605f3> (C:\ReactOS\system32\user32.dll@77a20000)

<user32.dll:60a35> (C:\ReactOS\system32\user32.dll@77a20000)

<user32.dll:611c2> (C:\ReactOS\system32\user32.dll@77a20000)

<regedit.exe:1170a> (C:\ReactOS\regedit.exe@400000)

<regedit.exe:1a4ad> (C:\ReactOS\regedit.exe@400000)

<regedit.exe:19b33> (C:\ReactOS\regedit.exe@400000)

<regedit.exe:19b88> (C:\ReactOS\regedit.exe@400000)

<kernel32.dll:12013> (C:\ReactOS\system32\kernel32.dll@7c5b0000)

err:(win32ss/user/user32/windows/messagebox.c:1048) MessageBox: L"The instruction at \"0x7c947fea\" referenced memory at \"0x20230a38\". The memory could not be \"read\".\r\n\nClick on OK to terminate the program.\nClick on CANCEL to debug the program."

err:(win32ss/user/user32/windows/window.c:496) CreateWindowExW RegisterSystemControls

(dll/win32/kernel32/client/except.c:612) 

Starting debugger: 'C:\ReactOS\System32\drwtsn32 -p 840 -e 740 -g'

*** Assertion failed: FreeEntry->Size != 0

***   Source File: /srv/buildbot/worker_data/Build_GCCLin_x86/build/sdk/lib/rtl/heap.c, line 440

Break repeatedly, break Once, Ignore, terminate Process or terminate Thread (boipt)? 

kdb:> i