[Bug 1564741] Re: cmake crashed with SIGSEGV in cmTarget::GetProperty()

[LocutusOfBorg]

** Description changed:

- This happens in a rather big project when simply running cmake, I will
- try to debug it a bit and come up with a better description if I can.
+ [Impact]
+ 
+  * Some cmake based projects can crash cmake
+ 
+ [Test Case]
+ 
+ * Create a cmake project that has a lot of Aliases
+ 
+ [Regression Potential]
+ 
+ * None
+ 
+ [Other Info]
  
  ProblemType: Crash
  DistroRelease: Ubuntu 16.04
  Package: cmake 3.5.1-1ubuntu1
  ProcVersionSignature: Ubuntu 4.4.0-16.32-generic 4.4.6
  Uname: Linux 4.4.0-16-generic x86_64
  ApportVersion: 2.20-0ubuntu3
  Architecture: amd64
  CrashCounter: 1
  CurrentDesktop: GNOME
  Date: Thu Mar 31 13:30:49 2016
  ExecutablePath: /usr/bin/cmake
  ProcCmdline: cmake -GEclipse\ CDT4\ -\ Unix\ Makefiles -DCMAKE_ECLIPSE_VERSION=4.4 -DCMAKE_ECLIPSE_GENERATE_SOURCE_PROJECT=TRUE -DCOMSYSTEM_TFTP_PATH=/tftpboot -GEclipse\ CDT4\ -\ Ninja -DCOMSYSTEM_VARIANT:STRING=comsystem3 -DCMAKE_INSTALL_PREFIX:PATH=/home/username/workspace/builds/comsystem3-native/development/staging/ -DCMAKE_INSTALL_LIBEXECDIR:PATH=usr/libexec -DCMAKE_SYSTEM_PREFIX_PATH=/home/username/workspace/builds/comsystem3-native/development/staging -DCMAKE_BUILD_TYPE:STRING=development /home/username/comsystem/applications
  SegvAnalysis:
-  Segfault happened at: 0x54afca <_ZNK8cmTarget11GetPropertyERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEP10cmMakefile+42>:	mov    0x228(%rdi),%eax
-  PC (0x0054afca) ok
-  source "0x228(%rdi)" (0x00000250) not located in a known VMA region (needed readable region)!
-  destination "%eax" ok
+  Segfault happened at: 0x54afca <_ZNK8cmTarget11GetPropertyERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEP10cmMakefile+42>:	mov    0x228(%rdi),%eax
+  PC (0x0054afca) ok
+  source "0x228(%rdi)" (0x00000250) not located in a known VMA region (needed readable region)!
+  destination "%eax" ok
  SegvReason: reading NULL VMA
  Signal: 11
  SourcePackage: cmake
  StacktraceTop:
-  cmTarget::GetProperty(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, cmMakefile*) const ()
-  cmGetTargetPropertyCommand::InitialPass(std::vector<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > const&, cmExecutionStatus&) ()
-  cmMakefile::ExecuteCommand(cmListFileFunction const&, cmExecutionStatus&) ()
-  cmForEachFunctionBlocker::IsFunctionBlocked(cmListFileFunction const&, cmMakefile&, cmExecutionStatus&) ()
-  cmMakefile::IsFunctionBlocked(cmListFileFunction const&, cmExecutionStatus&) ()
+  cmTarget::GetProperty(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, cmMakefile*) const ()
+  cmGetTargetPropertyCommand::InitialPass(std::vector<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > const&, cmExecutionStatus&) ()
+  cmMakefile::ExecuteCommand(cmListFileFunction const&, cmExecutionStatus&) ()
+  cmForEachFunctionBlocker::IsFunctionBlocked(cmListFileFunction const&, cmMakefile&, cmExecutionStatus&) ()
+  cmMakefile::IsFunctionBlocked(cmListFileFunction const&, cmExecutionStatus&) ()
  Title: cmake crashed with SIGSEGV in cmTarget::GetProperty()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dialout dip lpadmin nopasswdlogin plugdev sambashare sudo vboxsf wireshark

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Title:
  cmake crashed with SIGSEGV in cmTarget::GetProperty()

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