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On Feb 17 17:39, Corinna Vinschen wrote: > 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. Please try the today's developer snapshot from https://cygwin.com/snapshots/ Please note that cygcheck and mount utils need to be taken from the snapshot as well to mke sure they work correctly in terms of binary/text mounts. Thanks, Corinna -- Corinna Vinschen Cygwin Maintainer
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