Cannot run executable named setlang

[Takashi Yano]

On Thu, 8 Apr 2021 21:55:18 +0900
Takashi Yano wrote:
> On Thu, 8 Apr 2021 15:25:45 +0300
> Orgad Shaneh wrote:
> > Hi,
> > 
> > I cannot run an executable if it is named setlang (case insensitive).
> > It exits with code 127.
> > 
> > Example:
> > cp /bin/ls setlang
> > ./setlang -> Error 127
> > 
> > I've noticed a difference in ldd output. cygwin dlls appear twice.
> > 
> > ldd /bin/ls:
> >         ntdll.dll => /cygdrive/c/WINDOWS/SYSTEM32/ntdll.dll (0x7ffd9be50000)
> >         KERNEL32.DLL => /cygdrive/c/WINDOWS/System32/KERNEL32.DLL
> > (0x7ffd9bbb0000)
> >         KERNELBASE.dll => /cygdrive/c/WINDOWS/System32/KERNELBASE.dll
> > (0x7ffd9b8e0000)
> >         cygwin1.dll => /usr/bin/cygwin1.dll (0x180040000)
> >         cygintl-8.dll => /usr/bin/cygintl-8.dll (0x3ff810000)
> >         cygiconv-2.dll => /usr/bin/cygiconv-2.dll (0x3ff830000)
> > 
> > ldd setlang:
> >         ntdll.dll => /cygdrive/c/WINDOWS/SYSTEM32/ntdll.dll (0x7ffd9be50000)
> >         KERNEL32.DLL => /cygdrive/c/WINDOWS/System32/KERNEL32.DLL
> > (0x7ffd9bbb0000)
> >         KERNELBASE.dll => /cygdrive/c/WINDOWS/System32/KERNELBASE.dll
> > (0x7ffd9b8e0000)
> >         cygwin1.dll => /usr/bin/cygwin1.dll (0xc10000)
> >         cygintl-8.dll => /usr/bin/cygintl-8.dll (0x170000)
> >         cygwin1.dll => /usr/bin/cygwin1.dll (0xc10000)
> >         cygintl-8.dll => /usr/bin/cygintl-8.dll (0x170000)
> >         cygiconv-2.dll => /usr/bin/cygiconv-2.dll (0x600000)
> >         cygiconv-2.dll => /usr/bin/cygiconv-2.dll (0x600000)
> > 
> > Any idea what can cause this?
> 
> Isn't this the same issue with:
> https://cygwin.com/pipermail/cygwin/2021-January/247508.html
> ?

Probably you have "setlang.exe" entry in "Program settings" in
Exploit Protection.

-- 
Takashi Yano <takashi.yano@nifty.ne.jp>