ios - Xcode 9 GM - Export and Upload to App Store crashing -

i'm trying upload app uses arkit (unity build) itunes connect testflight distribution. while both exporting , uploading app store processes xcode -> organizer see crash on "stripping extended attributes appname.app".

i checked configuration of bitcode , symbols on/off, signing automatically, manually. deployment target of project ios 10, 11 cannot set. tried following steps simillar thread (https://forums.developer.apple.com/thread/83219) , added app store 1024 icon images.xcassets.

any ideas why xcode crashing?

screenshot before crash:

crash report:

process:               xcode [10862]   path:                  /applications/xcode-9b6.app/contents/macos/xcode   identifier:            com.apple.dt.xcode   version:               9.0 (13238.4)   build info:            ideframeworks-13238004000000000~11   code type:             x86-64 (native)   parent process:        ??? [1]   responsible:           xcode [10862]   user id:               501     date/time:             2017-09-10 14:56:10.196 +0100   os version:            mac os x 10.12.6 (16g29)   report version:        12   anonymous uuid:        fd8390bc-9e7b-969d-15a2-22a8dbbd050d       time awake since boot: 16000 seconds     system integrity protection: enabled     crashed thread:        17  dispatch queue: concurrentqueue: -[idedistributionpackagingstepviewcontroller viewdidinstall]_block_invoke     exception type:        exc_bad_access (sigsegv)   exception codes:       kern_invalid_address @ 0x0000000000000020   exception note:        exc_corpse_notify     termination signal:    segmentation fault: 11   termination reason:    namespace signal, code 0xb   terminating process:   exc handler [0]     vm regions near 0x20:   -->       __text                 0000000103625000-0000000103627000 [    8k] r-x/rwx sm=cow  /applications/xcode-9b6.app/contents/macos/xcode     application specific information:   productbuildversion: 9m214v     thread 0:: dispatch queue: com.apple.main-thread   0   libsystem_kernel.dylib         0x00007fffbb90634a mach_msg_trap + 10   1   libsystem_kernel.dylib         0x00007fffbb905797 mach_msg + 55   2   com.apple.corefoundation       0x00007fffa6037434 __cfrunloopservicemachport + 212   3   com.apple.corefoundation       0x00007fffa60368c1 __cfrunlooprun + 1361   4   com.apple.corefoundation       0x00007fffa6036114 cfrunlooprunspecific + 420   5   com.apple.hitoolbox           0x00007fffa5596ebc runcurrenteventloopinmode + 240   6   com.apple.hitoolbox           0x00007fffa5596cf1 receivenexteventcommon + 432   7   com.apple.hitoolbox           0x00007fffa5596b26 _blockuntilnexteventmatchinglistinmodewithfilter + 71   8   com.apple.appkit               0x00007fffa3b2fa54 _dpsnextevent + 1120   9   com.apple.appkit               0x00007fffa42ab7ee -[nsapplication(nsevent) _nexteventmatchingeventmask:untildate:inmode:dequeue:] + 2796   10  com.apple.dt.dvtkit           0x0000000103eb58be -[dvtapplication nexteventmatchingmask:untildate:inmode:dequeue:] + 390   11  com.apple.appkit               0x00007fffa3b243db -[nsapplication run] + 926   12  com.apple.appkit               0x00007fffa3aeee0e nsapplicationmain + 1237   13  libdyld.dylib                 0x00007fffbb7df235 start + 1   

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running xcodebuild (through fastlane gym) produces following:

+ xcodebuild -exportarchive -exportoptionsplist /var/folders/z1/m155xvnn42s7xl7hfw3_8w5w0000gn/t/gym_config20170912-61009-190kutb.plist -archivepath '/users/wert/library/developer/xcode/archives/2017-09-12/towerar 2017-09-12 22.06.54.xcarchive' -exportpath /var/folders/z1/m155xvnn42s7xl7hfw3_8w5w0000gn/t/gym_output20170912-61009-42bo6w 2017-09-12 22:09:04.966 xcodebuild[62085:5372649] [mt] idedistribution: -[idedistributionlogging _createloggingbundleatpath:]: created bundle @ path '/var/folders/z1/m155xvnn42s7xl7hfw3_8w5w0000gn/t/unity-iphone_2017-09-12_22-09-04.966.xcdistributionlogs'. 2017-09-12 22:09:21.584 xcodebuild[62085:5372649] [mt] idedistribution: step failed: <idedistributionpackagingstep: 0x7fc3c75f18b0>: <idedistributionpackagingstep: 0x7fc3c75f18b0> 2017-09-12 22:09:21.584 xcodebuild[62085:5372649] -[__nscfstring userinfo]: unrecognized selector sent instance 0x7fc3c74d72f0 ** internal error: uncaught exception ** uncaught exception: -[__nscfstring userinfo]: unrecognized selector sent instance 0x7fc3c74d72f0 stack: 0   __exceptionpreprocess (in corefoundation) 1   objc_exception_throw (in libobjc.a.dylib) 2   -[nsobject(nsobject) doesnotrecognizeselector:] (in corefoundation) 3   ___forwarding___ (in corefoundation) 4   _cf_forwarding_prep_0 (in corefoundation) 5   __55-[xcode3commandlinebuildtool _distributearchiveandexit]_block_invoke (in xcode3core) 6   -[xcode3commandlinebuildtool _distributearchiveandexit] (in xcode3core) 7   -[xcode3commandlinebuildtool run] (in xcode3core) 8  0x0000000104d752af (in xcodebuild) 9   start (in libdyld.dylib) 

does xattr command line tool work? it's possible python installation damaged, or if you've replaced installed xattr module may need reinstall system provided one.