Major Description
Steps to reproduce:
- You will need Windows on ARM, see https://reactos.org/wiki/ARM_Port#Debugging_steps
- If you intend to work on this, but don't have required environment, you can ask for help in the Mattermost chat
- Build OSK application for ARM architecture and start it in WoA environment within WinDbg debugger attached
osk!_RTC_DefaultErrorFuncW+0x14:
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001624d4 defe __debugbreak
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0:000> kp
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# Child-SP RetAddr Call Site
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00 007af2e8 0016276c osk!_RTC_DefaultErrorFuncW(int errType = 0n3, wchar_t * file = 0x00164814 "unknown file", int line = 0n-1, wchar_t * module = 0x001647f4 "unknown module", wchar_t * format = 0x00164830 "Use of uninitialized variable %S!.")+0x14 [sdk\lib\runtmchk\rtcapi.c @ 45]
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01 007af310 001631ec osk!_RTC_UninitUse(char * _Varname = 0x00164a88 "dividend_sign")+0x30 [sdk\lib\runtmchk\rtcapi.c @ 124]
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02 007af338 001630e2 osk!__rt_sdiv_worker(struct _ARM_DIVRESULT * result = 0x007af380, unsigned int divisor = 0x2c, unsigned int dividend = 0x58)+0xdc [sdk\lib\crt\math\arm\__rt_div_worker.h @ 102]
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03 007af378 00161444 osk!__rt_sdiv(int divisor = 0n89, int dividend = 0n711)+0x22 [sdk\lib\crt\math\arm\__rt_sdiv.c @ 24]
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04 007af3b8 00161698 osk!OSK_DlgInitDialog(struct HWND__ * hDlg = 0x0003022a)+0x154 [base\applications\osk\main.c @ 198]
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05 007af4b8 771dcd10 osk!OSK_DlgProc(struct HWND__ * hDlg = 0x0003022a, unsigned int msg = 0x110, unsigned int wParam = 0x30266, long lParam = 0n0)+0x70 [base\applications\osk\main.c @ 592]
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Full debug log from WinDbg: osk_arm_dbg.txt
Attachments
Issue Links
- blocks
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CORE-17614 osk!__rt_sdiv causes crash in Windows msvcrt.dll on ARM
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- Resolved
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