[Bug 44817] Some software protection schemes need ntdll.NtSetLdtEntries to modify reserved LDT entries

[WineHQ Bugzilla]

http://bugs.winehq.org/show_bug.cgi?id=44817

Dmitry Timoshkov  changed:

What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|STAGED                      |RESOLVED
         Resolution|---                         |FIXED

--- Comment #2 from Dmitry Timoshkov  ---
The test from the staged patchset was committed and it works properly under
current winehq.git:
$ wine --version
wine-10.15-125-gfc70990d579

Looks like the limitation to modify reserved LDT entries was removed at some
point. Attached test app also works:
...
0024:Call KERNEL32.GetProcAddress(7bdc0000,0040602c "ZwSetLdtEntries")
ret=00401491
0024:Ret  KERNEL32.GetProcAddress() retval=7bdcb274 ret=00401491
0024:Call ntdll.ZwSetLdtEntries(0000000f,c7fa000000ffef,00000000,000000000)
ret=004014d2
0024:Ret  ntdll.ZwSetLdtEntries() retval=00000000 ret=004014d2
0024:trace:seh:dispatch_exception code=c0000005 (EXCEPTION_ACCESS_VIOLATION)
flags=0 addr=00401502
0024:trace:seh:dispatch_exception  info[0]=00000000
0024:trace:seh:dispatch_exception  info[1]=FFFFFFFF
0024:trace:seh:dispatch_exception eip=00401502 esp=0031fe98 ebp=0031fed0
eflags=00010286
0024:trace:seh:dispatch_exception eax=ffffffff ebx=7ffd1000 ecx=00000004
edx=00000000
0024:trace:seh:dispatch_exception esi=0034ef30 edi=004d4ff0 cs=000f ds=002b
es=002b fs=0063 gs=006b ss=002b
0024:trace:seh:call_seh_handlers calling handler at 00401649 code=c0000005
flags=0
...
0024:Call KERNEL32.GetModuleHandleW(00000000) ret=00402159
0024:Ret  KERNEL32.GetModuleHandleW() retval=00400000 ret=00402159
0024:Call ucrtbase.exit(00000000) ret=004018fd
...