https://bugs.winehq.org/show_bug.cgi?id=46195
Bug ID: 46195 Summary: Multiple Windows 10 ARM64 apps need ntdll 'set_cpu_context' implementation (Windows PowerShell Core 6.2) Product: Wine Version: 3.21 Hardware: aarch64 OS: Linux Status: NEW Severity: normal Priority: P2 Component: ntdll Assignee: wine-bugs@winehq.org Reporter: focht@gmx.net Distribution: ---
Hello folks,
continuation of bug 46194 ("Windows PowerShell Core 6.2 Preview 2 for ARM64 crashes due to decoding of instruction from incorrect PC (write watch access causes SIGSEGV)")
--- snip --- $ WINEDEBUG=+seh,+loaddll,+virtual wine64 ./pwsh.exe ... 0009:trace:virtual:NtAllocateVirtualMemory 0xffffffffffffffff (nil) 003a0000 202000 00000004 0009:trace:virtual:map_view got mem in reserved area 0x18f50000-0x192f0000 0009:trace:virtual:VIRTUAL_DumpView View: 0x18f50000 - 0x192effff (valloc) 0009:trace:virtual:VIRTUAL_DumpView 0x18f50000 - 0x192effff -Hrw- 0009:trace:virtual:NtAllocateVirtualMemory 0xffffffffffffffff 0x18f50000 00090168 1000 00000004 0009:trace:virtual:VIRTUAL_DumpView View: 0x18f50000 - 0x192effff (valloc) 0009:trace:virtual:VIRTUAL_DumpView 0x18f50000 - 0x18fe0fff cHrw- 0009:trace:virtual:VIRTUAL_DumpView 0x18fe1000 - 0x192effff -Hrw- 0009:fixme:seh:set_cpu_context Not implemented on ARM64 0009:trace:seh:raise_exception code=c0000005 flags=0 addr=0x18f50000 pc=18f50000 tid=0009 0009:trace:seh:raise_exception info[0]=0000000000000000 0009:trace:seh:raise_exception info[1]=0000000018f50000 0009:trace:seh:raise_exception x0=0000000018f4e1a0 x1=000000007bd4bde8 x2=0000000000000000 x3=0000000000000000 0009:trace:seh:raise_exception x4=000000007bd4bde8 x5=000000007bd4bdb0 x6=0000007f85574f10 x7=206465746e656d65 0009:trace:seh:raise_exception x8=0000000000f50000 x9=00000000000007a8 x10=0000000094cfbed4 x11=0000000007ffffff 0009:trace:seh:raise_exception x12=0000000000000000 x13=0000000018f50040 x14=ffffffffffffffc8 x15=000000007bd2da70 0009:trace:seh:raise_exception x16=000000007bd2e008 x17=0000007f8560bdc0 x18=000000007ffd8000 x19=0000007f855f9978 0009:trace:seh:raise_exception x20=000000000000c000 x21=00000000002ad9d8 x22=00000000ffffffff x23=00000000ffffffff 0009:trace:seh:raise_exception x24=0000000000000000 x25=0000000018f50040 x26=0000000000000001 x27=000000007bd2da70 0009:trace:seh:raise_exception x28=000000007bd2e010 fp=0000000000400003 lr=0000000018f50000 sp=00000000002ad690 0009:trace:seh:raise_exception pc=0000000018f50000 0009:trace:seh:call_vectored_handlers calling handler at 0x5e4550 code=c0000005 flags=0 0009:trace:seh:call_vectored_handlers handler at 0x5e4550 returned 0 0009:trace:seh:call_stack_handlers calling handler at 0x7b4dd704 code=c0000005 flags=0 ... 0009:err:eventlog:ReportEventW L"Application: pwsh.exe\nCoreCLR Version: 4.6.26919.2\nDescription: The process was terminated due to an unhandled exception.\nException Info: exception code c0000005, exception address 0000000018F50000\nStack:\n" 0009:fixme:advapi:DeregisterEventSource (0xcafe4242) stub wine: Unhandled page fault on read access to 0x18f50000 at address 0x18f50000 (thread 0009), starting debugger... ... 0009:trace:seh:call_stack_handlers handler at 0x7b4dd704 returned 1 Unhandled exception: page fault on read access to 0x18f50000 in 64-bit code (0x0000000018f50000). Register dump: ARM64 EL0t Mode Pc:0000000018f50000 Sp:00000000002ad690 Lr:0000000018f50000 Cpsr:80000000(N---) x0: 0000000018f4e1a0 x1: 000000007bd4bde8 x2: 0000000000000000 x3: 0000000000000000 x4: 000000007bd4bde8 x5: 000000007bd4bdb0 x6: 0000007f85574f10 x7: 206465746e656d65 x8: 0000000000f50000 x9: 00000000000007a8 x10:0000000094cfbed4 x11:0000000007ffffff x12:0000000000000000 x13:0000000018f50040 x14:ffffffffffffffc8 x15:000000007bd2da70 ip0:000000007bd2e008 ip1:0000007f8560bdc0 x18:000000007ffd8000 x19:0000007f855f9978 x20:000000000000c000 x21:00000000002ad9d8 x22:00000000ffffffff x23:00000000ffffffff x24:0000000000000000 x25:0000000018f50040 x26:0000000000000001 x27:000000007bd2da70 x28:000000007bd2e010 Fp:0000000000400003 ... Backtrace: =>0 0x0000000018f50000 (0x0000000000400003) 0x0000000018f50000: be_arm64_disasm_one_insn: not done
Modules: Module Address Debug info Name (65 modules) PE 3d0000- 45d000 Deferred hostpolicy PE 570000- ac8000 Deferred coreclr ELF 7b400000- 7b82e000 Deferred kernel32<elf> -PE 7b420000- 7b82e000 \ kernel32 ELF 7bc00000- 7bd4d000 Deferred ntdll<elf> -PE 7bc20000- 7bd4d000 \ ntdll ELF 7c000000- 7c004000 Deferred <wine-loader> PE 140000000- 140041000 Deferred pwsh PE 180000000- 18005d000 Deferred hostfxr ... ELF 7f8573d000- 7f858f9000 Dwarf libwine.so.1 ELF 7f858fb000- 7f8592d000 Deferred ld-linux-aarch64.so.1 ELF 7f8592e000- 7f8592f000 Deferred [vdso].so Threads: process tid prio (all id:s are in hex) 00000008 (D) Z:\home\focht\projects\woa-winrt\powershell620-arm64\pwsh.exe 0000002a 0 00000009 0 <== ... System information: Wine build: wine-3.21-4-gfc4d5d49c6 Platform: arm64 Version: Windows 7 Host system: Linux Host version: 4.18.14-yocto-standard --- snip ---
Wine source:
https://source.winehq.org/git/wine.git/blob/HEAD:/dlls/ntdll/signal_arm64.c#...
https://source.winehq.org/git/wine.git/blob/HEAD:/dlls/ntdll/signal_arm64.c#...
'raise_segv_exception' needs it to resume execution at faulting instruction in case of write watch access. Of course it will be needed for various other use-cases in future too.
$ sha1sum PowerShell-6.2.0-preview.2-win-arm64.zip 731bf722a0083fbd101598fa42c9f1a0170d6548 PowerShell-6.2.0-preview.2-win-arm64.zip
$ du -sh PowerShell-6.2.0-preview.2-win-arm64.zip 40M PowerShell-6.2.0-preview.2-win-arm64.zip
Regards