Ran the below: ```c #include <windows.h> #include <stdio.h> int main() { void *retaddr = __builtin_extract_return_addr(__builtin_return_address(0)); DWORD64 imagebase; UNWIND_HISTORY_TABLE table; RUNTIME_FUNCTION *rf = RtlLookupFunctionEntry((DWORD64)retaddr, &imagebase, &table); DWORD old; VirtualProtect(rf, 0x100, PAGE_NOACCESS, &old); /* rf->UnwindData = 0x12345678; VirtualProtect(rf, 0x100, old, &old);*/ void *bt[100]; int count = RtlCaptureStackBackTrace(0, 100, bt, NULL); for (int i = 0; i < count; i++) { printf("Backtrace %d: %p\n", i, bt[i]); } return 0; } ``` Windows output: ``` Backtrace 0: 00007FF6D93629CB ``` Wine with this mr has no output, while current wine stack overflows. Didn't expect that output from windows. -- https://gitlab.winehq.org/wine/wine/-/merge_requests/9218#note_119086