On Feb 17 16:34, Ken Brown wrote:
> On 2/17/2019 10:07 AM, Corinna Vinschen wrote:
> > On Feb 17 14:56, Ken Brown wrote:
> >> On 2/17/2019 4:13 AM, Corinna Vinschen wrote:
> >>>> If I may place a bet, please try to replace
> >>>> PROCESS_QUERY_LIMITED_INFORMATION with PROCESS_QUERY_INFORMATION
> >>
> >> That didn't change anything. Just to make sure I understood correctly,
> >> here's
> >> what I tried:
> >>
> >> --- a/winsup/cygwin/sigproc.cc
> >> +++ b/winsup/cygwin/sigproc.cc
> >> @@ -814,7 +814,7 @@ child_info::child_info (unsigned in_cb,
> >> child_info_types chtype,
> >> allow the child to copy cygheap etc. from the parent to itself. If
> >> we're forking, we also need handle duplicate access. */
> >> parent = NULL;
> >> - DWORD perms = PROCESS_QUERY_LIMITED_INFORMATION | PROCESS_VM_READ
> >> + DWORD perms = PROCESS_QUERY_INFORMATION | PROCESS_VM_READ
> >> | SYNCHRONIZE;
> >> if (type == _CH_FORK)
> >> {
> >>
> >>> On second thought, an even better candidate may be PROCESS_VM_OPERATION.
> >>
> >> That's even worse. With that change, simply invoking 'make' leads to
> >> the same error.
> >
> > PROCESS_VM_OPERATION has to be specified additionally, not replacing
> > PROCESS_QUERY_{LIMITED_}INFORMATION. Sorry if that wasn't clear.
>
> Success: Simply adding PROCESS_VM_OPERATION to the existing permissions fixes
> the problem.Thanks for tracking this down, I upload a fixed 3.0.1 pretty soon. Corinna -- Corinna Vinschen Cygwin Maintainer
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