This means, the heap fails to remove the free block, because free
block's forward or backward pointer is invalid. Which is a very
probably scenario, when an allocated block of heap is overwritten.
WBR,
Aleksey.
On Dec 17, 2010, at 5:02 AM, James Tabor wrote:
I've tested my patches with 49720 so far the wine user Dialog works.
Upping to 50046 and repeating the test since 50000, this happens,
(subsystems/win32/win32k/ntuser/window.c:2067)
co_UserCreateWindowEx(): NCCREATE message failed
(subsystems/win32/win32k/ntuser/window.c:2339)
co_UserCreateWindowEx failed!
kdb:> bt
Eip:
<ntdll.dll:92b1> lib/rtl/heap.c:358 (rtlpremovefreebl...@16)
Frames:
<ntdll.dll:b189> lib/rtl/heap.c:2193 (rtlallocateh...@12)
<user32.dll:32610> dialog.c:157 (DIALOG_get_info)
<user32.dll:3369c> dialog.c:1577 (defdlgpr...@16)
<user32.dll:495dc> message.c:1091 (@intcallwindowpr...@28)
<user32.dll:49ead> message.c:2449 (user32callwindowprocfromker...@8)
<ntdll.dll:7a84>
<user32.dll:542c5> window.c:409 (createwindow...@48)
<user32.dll:343bf> dialog.c:925 (DIALOG_CreateIndirect)
<user32.dll:352c0> dialog.c:1764 (dialogboxpar...@20)
<user32_winetest.exe:2055c>
<user32_winetest.exe:22065>
<user32_winetest.exe:a36e6>
<user32_winetest.exe:a38fb>
<user32_winetest.exe:a3d95>
<user32_winetest.exe:a3dde>
it faults at 0x00000004,,,....
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