Windows 11 smart app control

[Sam Lin]

Hi All,

You might have noticed Windows 11 has SAC and it requires software
developers to sign files.

Since our software included CYGWIN.dll, may I know where I can  get a
signed version? Or any other solution to avoid SAC?

Ref.
https://support.microsoft.com/en-us/topic/what-is-smart-app-control-285ea03d-fa88-4d56-882e-6698afdb7003

Thanks,
Sam

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Re: Unable to execute Cygwin application within UDF format

[Sam Lin]

Hi ,

I have also successfully executed that is to move cygwin1.dll to the root
directory to execute.

Will cygwin1.dll be supported to execute in UDF format in the future?
Thanks,
Sam

Takashi Yano  於 2022年5月27日 週五 下午12:32寫道：

> On Fri, 27 May 2022 11:36:27 +0800
> Sam Lin wrote:
> > I will see the problem on WIN10 or WIN SERVER, the duplicate steps are as
> > follows:
> >
> > 1. Write a simple code 'hello world'  program  and   compiled the
> > executable file using GCC.
> >
> > //  hello.c
> > #include 
> >
> > int main() {
> > printf("Hello World\n");
> > return 0;
> > }
> >
> > $ gcc hello.c -o hello.exe
> >
> > 2. Format the specified USB drive using command prompt.
> >   C:\> format : /fs:UDF /q
> >
> > 3. Put the executable files hello.exe and cygwin1.dll into the UDF format
> > flash drive and execute.
> > We will find that the execution error occurs with cygwin v3.2.x and
> above.
> >
> > F:\>hello.exe
> >   0 [main] hello (16224) F:\hello.exe: *** fatal error - add_item
> > ("\??", "/", ...) failed, errno 22
> > Stack trace:
> > FrameFunctionArgs
> > 000CCE0  001800622EE (0018029F172, 0018027AE81, 008,
> > 0008B40)
> > 000CCE0  0018004874A (000, 000CCE0, 00180020010,
> > 000ABD6)
> > 000CCE0  00180048782 (0009BD0, 016, 008,
> > 001)
> > 000CCE0  001800E30BC (000CBD0, 000CDF0, 001800D7488,
> > 000)
> > 000CCE0  00180133DC5 (001800D344A, 000, 000,
> > 000)
> > 000CCE0  00180048DA5 (000, 000, 000,
> > 000)
> > 000FFF0  00180047856 (000, 000, 000,
> > 000)
> > 000FFF0  00180047904 (000, 000, 000,
> > 000)
> > End of stack trace
> >
> > This error does not occur in v3.1.7.
> > Hope this will be resolved in the future.
>
> This seems to happen if cygwin1.dll is placed in the root
> directly regardless of file system type.
>
> --
> Takashi Yano 
>
> --
> Problem reports:  https://cygwin.com/problems.html
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Unable to execute Cygwin application within UDF format

[Sam Lin]

Hi ,

I will see the problem on WIN10 or WIN SERVER, the duplicate steps are as
follows:

1. Write a simple code 'hello world'  program  and   compiled the
executable file using GCC.

//  hello.c
#include 

int main() {
printf("Hello World\n");
return 0;
}

$ gcc hello.c -o hello.exe

2. Format the specified USB drive using command prompt.
  C:\> format : /fs:UDF /q

3. Put the executable files hello.exe and cygwin1.dll into the UDF format
flash drive and execute.
We will find that the execution error occurs with cygwin v3.2.x and above.

F:\>hello.exe
  0 [main] hello (16224) F:\hello.exe: *** fatal error - add_item
("\??", "/", ...) failed, errno 22
Stack trace:
FrameFunctionArgs
000CCE0  001800622EE (0018029F172, 0018027AE81, 008,
0008B40)
000CCE0  0018004874A (000, 000CCE0, 00180020010,
000ABD6)
000CCE0  00180048782 (0009BD0, 016, 008,
001)
000CCE0  001800E30BC (000CBD0, 000CDF0, 001800D7488,
000)
000CCE0  00180133DC5 (001800D344A, 000, 000,
000)
000CCE0  00180048DA5 (000, 000, 000,
000)
000FFF0  00180047856 (000, 000, 000,
000)
000FFF0  00180047904 (000, 000, 000,
000)
End of stack trace

This error does not occur in v3.1.7.
Hope this will be resolved in the future.

Thanks,
Sam

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