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dabro opened this issue Mar 4, 2016 · 9 comments
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libclingJupyter is installed in wrong directory by CMake #10

dabro opened this issue Mar 4, 2016 · 9 comments
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@Axel-Naumann

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@dabro
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dabro commented Mar 4, 2016

After troubleshooting the following:

Traceback (most recent call last):
  File "/usr/local/bin/jupyter-cling-kernel", line 6, in <module>
    exec(compile(open(__file__).read(), __file__, 'exec'))
  File "/Users/browneej/workspace/cling/src/tools/cling/tools/Jupyter/kernel/scripts/jupyter-cling-kernel", line 4, in <module>
    main()
  File "/Users/browneej/workspace/cling/src/tools/cling/tools/Jupyter/kernel/clingkernel.py", line 290, in main
    ClingKernelApp.launch_instance()
  File "/usr/local/lib/python3.5/site-packages/traitlets/config/application.py", line 588, in launch_instance
    app.initialize(argv)
  File "<decorator-gen-122>", line 2, in initialize
  File "/usr/local/lib/python3.5/site-packages/traitlets/config/application.py", line 74, in catch_config_error
    return method(app, *args, **kwargs)
  File "/usr/local/lib/python3.5/site-packages/ipykernel/kernelapp.py", line 421, in initialize
    self.init_kernel()
  File "/usr/local/lib/python3.5/site-packages/ipykernel/kernelapp.py", line 360, in init_kernel
    user_ns=self.user_ns,
  File "/usr/local/lib/python3.5/site-packages/traitlets/config/configurable.py", line 404, in instance
    inst = cls(*args, **kwargs)
  File "/Users/browneej/workspace/cling/src/tools/cling/tools/Jupyter/kernel/clingkernel.py", line 87, in __init__
    if not self.libclingJupyter:
AttributeError: 'ClingKernel' object has no attribute 'libclingJupyter'

I found libclingJupyter.dylib in /usr/local/lib/clang/lib/ instead of /usr/local/lib/cling/lib, where the system expected it:

def __init__(self, **kwargs):
        super(ClingKernel, self).__init__(**kwargs)
        whichCling = shutil.which('cling')
        if whichCling:
            clingInstDir = os.path.dirname(os.path.dirname(whichCling))
            llvmResourceDir = clingInstDir
        else:
            raise RuntimeError('Cannot find cling in $PATH. No cling, no fun.')

        for ext in ['so', 'dylib', 'dll']:
            libFilename = clingInstDir + "/lib/libclingJupyter." + ext
            if os.access(libFilename, os.X_OK):
                self.libclingJupyter = ctypes.CDLL(clingInstDir + "/lib/libclingJupyter." + ext,
                                                   mode = ctypes.RTLD_GLOBAL)
                break

        if not self.libclingJupyter:
            raise RuntimeError('Cannot find ' + clingInstDir + '/lib/libclingJupyter.{so,dylib,dll}')

https://github.com/root-mirror/cling/blob/master/tools/Jupyter/kernel/clingkernel.py
cc2ca03

for me, either which cling in bash or whichCling = shutil.which('cling') in python return /usr/local/lib/cling.

I installed using cmake:

cmake -DCMAKE_INSTALL_PREFIX=/usr/local/lib/cling -DLLVM_TARGETS_TO_BUILD=CppBackend\;X86 -DCMAKE_BUILD_TYPE=Debug ../src

after removing CBackend\;
@Axel-Naumann
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How would "the system" have put it into /usr/local/lib/clang/lib/ if you configured /usr/local/lib/cling/lib/? I guess this is from an earlier build?

@Axel-Naumann
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No feedback, closing...

@Axel-Naumann Axel-Naumann self-assigned this Jul 18, 2016
@mfouesneau
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Still had the issue when installed as a user. I had to change the clingkernel.py:

        if whichCling:
            clingInstDir = os.path.realpath(shutil.which('cling'))[:-len('/bin/cling')]
            llvmResourceDir = clingInstDir
        else:

The main issue was that the instDir was poluted by the current directory.

@Axel-Naumann Axel-Naumann reopened this May 11, 2017
@Axel-Naumann
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Is this still an issue after today's update to the "where's my libclingJupyter" logic?

@ghost
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ghost commented Feb 23, 2018

I am still getting the error as well, I can't even find the location of libclingJupyter. Cannot find ' + clingInstDir + '/lib/libclingJupyter.{so,dylib,dll}
8000

@mkreim
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mkreim commented Mar 4, 2018

Same problem here. I tried installing a kernel for jupyter via

wget https://raw.githubusercontent.com/root-project/cling/master/tools/packaging/cpt.py
./cpt.py --check-requirements && ./cpt.py --create-dev-env Debug --with-workdir=./cling-build/
cd cling-Ubuntu-16.04-x86_64-0.6~dev-3a5d26e/share/cling/Jupyter/kernel/
pip install -e .
jupyer kernelspec install cling-cpp17 --user

(inside a virtualenv using python 3.6).

If I start jupyter notebook it allows me to start a C++17 kernel. However, the kernel dies immediately.

If I run the kernel manually via commandline it says

$ jupyter-cling-kernel 
NOTE: When using the ipython kernel entry point, Ctrl-C will not work.

To exit, you will have to explicitly quit this process, by either sending
"quit" from a client, or using Ctrl-\ in UNIX-like environments.

To read more about this, see https://github.com/ipython/ipython/issues/2049


To connect another client to this kernel, use:
    --existing kernel-9898.json
Traceback (most recent call last):
  File "~/.virtualenvs/jupyter/bin/jupyter-cling-kernel", line 6, in <module>
    exec(compile(open(__file__).read(), __file__, 'exec'))
  File "~/bin/cling-Ubuntu-16.04-x86_64-0.6~dev-3a5d26e/share/cling/Jupyter/kernel/scripts/jupyter-cling-kernel", line 4, in <module>
    main()
  File "~/bin/cling-Ubuntu-16.04-x86_64-0.6~dev-3a5d26e/share/cling/Jupyter/kernel/clingkernel.py", line 354, in main
    ClingKernelApp.launch_instance()
  File "~/.virtualenvs/jupyter/lib/python3.6/site-packages/traitlets/config/application.py", line 657, in launch_instance
    app.initialize(argv)
  File "<decorator-gen-123>", line 2, in initialize
  File "~/.virtualenvs/jupyter/lib/python3.6/site-packages/traitlets/config/application.py", line 87, in catch_config_error
    return method(app, *args, **kwargs)
  File "~/.virtualenvs/jupyter/lib/python3.6/site-packages/ipykernel/kernelapp.py", line 465, in initialize
    self.init_kernel()
  File "~/.virtualenvs/jupyter/lib/python3.6/site-packages/ipykernel/kernelapp.py", line 376, in init_kernel
    user_ns=self.user_ns,
  File "~/.virtualenvs/jupyter/lib/python3.6/site-packages/traitlets/config/configurable.py", line 412, in instance
    inst = cls(*args, **kwargs)
  File "~/bin/cling-Ubuntu-16.04-x86_64-0.6~dev-3a5d26e/share/cling/Jupyter/kernel/clingkernel.py", line 138, in __init__
    raise RuntimeError('Cannot find ' + clingInstDir + '/lib/libclingJupyter.{so,dylib,dll}')
RuntimeError: Cannot find /home/mkreim/bin/cling-Ubuntu-16.04-x86_64-0.6~dev-3a5d26e/lib/libclingJupyter.{so,dylib,dll}

Like @aisaro , I cannot find the lib via find / -iname "*clingJupyter*" on my system.

But running cling works like expected.

Do you have any ideas what is going wrong here? Thanks a lot.

@Axel-Naumann
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@aisaro - where did you get cling from?

@mkreim - I don't have a lot of experience with cpt.py, @vgvassilev mind helping out? (And why did you decide to do a Debug build - that's really really slow...) An alternative is the good old traditional build, see here: https://root.cern.ch/cling-build-instructions

@mkreim
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mkreim commented Mar 16, 2018

@Axel-Naumann : Thanks a lot for your answer and please excuse by delayed answer. There was no reason for doing a Debug build. I simply did not see it (copy & past can be a curse).
I retried installing cling using your steps (really much faster and using less resources. Thanks!) and everything went through without any errors:

git clone http://root.cern.ch/git/llvm.git
cd llvm/
git checkout cling-patches
cd tools/
git clone http://root.cern.ch/git/cling.git 
git clone http://root.cern.ch/git/clang.git 
cd clang 
git checkout cling-patches
cd ../../
mkdir build
cd build/
cmake -DCMAKE_INSTALL_PREFIX=~/bin/cling/ -DCMAKE_BUILD_TYPE=Release ../llvm
cmake --build . && cmake --build . --target install
cd ~/bin/cling/share/cling/Jupyter/kernel/
pip install -e .
jupyter kernelspec install cling-cpp11 --user
jupyter kernelspec install cling-cpp14 --user
jupyter kernelspec install cling-cpp17 --user
jupyter kernelspec install cling-cpp1z --user

Again cling works as expected but all four kernels crash immediately after opening a notebook in jupyter (like before). However, this time I could find the needed library ~/bin/cling/lib/libclingJupyter.so

So all I was left to do was adding the library path to my .bashrc:

CLANG_PATH=~/bin/cling/
export LIBRARY_PATH=${CLANG_PATH}/lib/:$LIBRARY_PATH
export CPATH=${CLANG_PATH}/include/:$CPATH
export LD_LIBRARY_PATH=${CLANG_PATH}/lib/:$LD_LIBRARY_PATH

And after a restart of jupyter I can now run silly C++ code:

image

So Thanks a lot, @Axel-Naumann !

@Axel-Naumann
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OK looks like this was settled years ago - let me close it then :-) Please suggest PRs to READMEs and build files as needed to make things more stable!

FonsRademakers pushed a commit that referenced this issue Oct 11, 2018
@pcanal
Fix cling::Interpreter::compileFunction getting confused by trailing …
ad59359 
…transactions.

This fixes https://sft.its.cern.ch/jira/browse/ROOT-9672 by having
cling::Interpreter::DeclareCFunction return the transaction containing the
compiled code.

With the previous code, cling::Interpreter::compileFunction will get confused by
transaction created during the callbacks executed during the
cling::IncrementalParser::commitTransaction of the main transaction.

Reproducer:

With a main composed of 'only':

int main(int argc, char ** argv)
{
  char const * class_string = (argc == 2) ? argv[1] : "std::vector<int>";
  auto const result [[gnu::unused]] = TClass::GetClass(class_string);
  return 0;
}

which is a representation of real use case (in a more complex setup) in ART.
We were getting:

Error in <TClingCallFunc::make_wrapper>: Failed to compile
  ==== SOURCE BEGIN ====
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wformat-security"
__attribute__((used)) extern "C" void __cf_0(void* obj, int nargs, void** args, void* ret)
{
   if (ret) {
      (*(TStreamerInfo**)ret) = new TStreamerInfo();
      return;
   }
   else {
      new TStreamerInfo();
      return;
   }
}
#pragma clang diagnostic pop
  ==== SOURCE END ====
Error in <TClingCallFunc::ExecT>: Called with no wrapper, not implemented!
Error in <TVirtualStreamerInfo::Factory>: The plugin handler for TVirtualStreamerInfo was found but failed to create the factory object!

The reason is that during TClingCallFunc::make_wrapper, the call to cling::Interpreter::compileFunction ends with:

    if (const llvm::GlobalValue* GV
        = getLastTransaction()->getModule()->getNamedValue(name))

However in the 'broken' case, the getLastTransaction does not return the transaction for the code being compiled by DeclareCFunction but instead the one used/created at:

#0  cling::IncrementalParser::endTransaction (this=0x4a2980, T=0x8c0fb0) at /local2/pcanal/cint_working/rootcling/v6-14-00-patches/interpreter/cling/lib/Interpreter/IncrementalParser.cpp:345
#1  0x00007fffeebc7899 in cling::Interpreter::PushTransactionRAII::pop (this=0x7fffffffcb00) at /local2/pcanal/cint_working/rootcling/v6-14-00-patches/interpreter/cling/lib/Interpreter/Interpreter.cpp:111
#2  0x00007fffeebc785e in cling::Interpreter::PushTransactionRAII::~PushTransactionRAII (this=0x7fffffffcb00, __in_chrg=<optimized out>)
    at /local2/pcanal/cint_working/rootcling/v6-14-00-patches/interpreter/cling/lib/Interpreter/Interpreter.cpp:106
#3  0x00007fffeebeb659 in cling::LookupHelper::findScope (this=0x4a9dd0, className=..., diagOnOff=cling::LookupHelper::NoDiagnostics, resultType=0x7fffffffcd08, instantiateTemplate=false)
    at /local2/pcanal/cint_working/rootcling/v6-14-00-patches/interpreter/cling/lib/Interpreter/LookupHelper.cpp:466
#4  0x00007fffeeabe0df in TCling::CheckClassInfo (this=0x4a0550, name=<optimized out>, autoload=<optimized out>, isClassOrNamespaceOnly=<optimized out>)
    at /local2/pcanal/cint_working/rootcling/v6-14-00-patches/core/metacling/src/TCling.cxx:3630
#5  0x00007ffff7c3040d in TClass::Init (this=this@entry=0xdafd20, name=name@entry=0x7ffff7cb7638 "TGlobal", cversion=cversion@entry=2, typeinfo=typeinfo@entry=0x7ffff7d8b6d8 <typeinfo for TGlobal>, isa=isa@entry=0x477430,
    dfil=dfil@entry=0x7ffff7cb8cab "TGlobal.h", ifil=<optimized out>, dl=<optimized out>, il=<optimized out>, givenInfo=<optimized out>, silent=<optimized out>)
    at /local2/pcanal/cint_working/rootcling/v6-14-00-patches/core/meta/src/TClass.cxx:1431
#6  0x00007ffff7c3a1b8 in TClass::TClass (this=0xdafd20, name=0x7ffff7cb7638 "TGlobal", cversion=<optimized out>, info=..., isa=0x477430, dfil=0x7ffff7cb8cab "TGlobal.h",
    ifil=0x7ffff7cccf88 "/local2/pcanal/cint_working/rootcling/v6-14-00-patches/core/meta/src/TGlobal.cxx", dl=27, il=25, silent=false) at /local2/pcanal/cint_working/rootcling/v6-14-00-patches/core/meta/src/TClass.cxx:1273
#7  0x00007ffff7c3a72a in ROOT::CreateClass (cname=0x7ffff7cb7638 "TGlobal", id=id@entry=2, info=..., isa=isa@entry=0x477430, dfil=dfil@entry=0x7ffff7cb8cab "TGlobal.h",
    ifil=ifil@entry=0x7ffff7cccf88 "/local2/pcanal/cint_working/rootcling/v6-14-00-patches/core/meta/src/TGlobal.cxx", dl=27, il=25) at /local2/pcanal/cint_working/rootcling/v6-14-00-patches/core/meta/src/TClass.cxx:5607
#8  0x00007ffff7c4b552 in ROOT::Internal::TDefaultInitBehavior::CreateClass (il=25, dl=27, ifil=0x7ffff7cccf88 "/local2/pcanal/cint_working/rootcling/v6-14-00-patches/core/meta/src/TGlobal.cxx", dfil=0x7ffff7cb8cab "TGlobal.h",
    isa=0x477430, info=..., id=2, cname=<optimized out>, this=0x7ffff7da7508 <ROOT::Internal::DefineBehavior(void*, void*)::theDefault>) at /home/pcanal/root_builds/v6-14-00-patches/opt/include/Rtypes.h:176
#9  ROOT::TGenericClassInfo::GetClass (this=0x7ffff7dab660 <ROOT::GenerateInitInstanceLocal(TGlobal const*)::instance>) at /local2/pcanal/cint_working/rootcling/v6-14-00-patches/core/meta/src/TGenericClassInfo.cxx:250
#10 0x00007ffff7b1a2d8 in TGlobal::Class () at /home/pcanal/root_builds/v6-14-00-patches/opt/core/base/G__Core.cxx:17156
#11 0x00007ffff7ac01de in TGlobal::IsA (this=0xee3bc0) at /home/pcanal/root_builds/v6-14-00-patches/opt/include/TGlobal.h:48
#12 TGlobal::CheckTObjectHashConsistency (this=0xee3bc0) at /home/pcanal/root_builds/v6-14-00-patches/opt/include/TGlobal.h:48
#13 0x00007ffff7be9dcd in TObject::CheckedHash (this=0xee3bc0) at /home/pcanal/root_builds/v6-14-00-patches/opt/include/TObject.h:314
#14 THashTable::GetCheckedHashValue (this=0xe65a20, obj=0xee3bc0) at /home/pcanal/root_builds/v6-14-00-patches/opt/include/THashTable.h:94
#15 THashTable::Add (this=0xe65a20, obj=0xee3bc0) at /local2/pcanal/cint_working/rootcling/v6-14-00-patches/core/cont/src/THashTable.cxx:96
#16 0x00007ffff7be6bf1 in THashList::AddLast (this=this@entry=0x5be690, obj=obj@entry=0xee3bc0) at /local2/pcanal/cint_working/rootcling/v6-14-00-patches/core/cont/src/THashList.cxx:100
#17 0x00007ffff7c4e0d1 in TListOfDataMembers::AddLast (this=0x5be690, obj=0xee3bc0) at /local2/pcanal/cint_working/rootcling/v6-14-00-patches/core/meta/src/TListOfDataMembers.cxx:103
#18 0x00007ffff7ab8785 in TList::Add (obj=0xee3bc0, this=0x5be690) at /home/pcanal/root_builds/v6-14-00-patches/opt/include/TList.h:87
#19 TROOT::GetListOfGlobals (this=0x7ffff7da7a60 <ROOT::Internal::GetROOT1()::alloc>, load=load@entry=false) at /local2/pcanal/cint_working/rootcling/v6-14-00-patches/core/base/src/TROOT.cxx:1767
#20 0x00007fffeeab1058 in TCling::HandleNewDecl (this=0x4a0550, DV=0xedf238, isDeserialized=isDeserialized@entry=true, modifiedTClasses=...) at /local2/pcanal/cint_working/rootcling/v6-14-00-patches/core/metacling/src/TCling.cxx:555
#21 0x00007fffeeabb785 in TCling::UpdateListsOnCommitted (this=0x4a0550, T=...) at /local2/pcanal/cint_working/rootcling/v6-14-00-patches/core/metacling/src/TCling.cxx:6115
#22 0x00007fffeebd0103 in cling::MultiplexInterpreterCallbacks::TransactionCommitted (this=0x57fe20, T=...) at /local2/pcanal/cint_working/rootcling/v6-14-00-patches/interpreter/cling/lib/Interpreter/MultiplexInterpreterCallbacks.h:76
#23 0x00007fffeed05d71 in cling::IncrementalParser::commitTransaction (this=0x4a2980, PRT=..., ClearDiagClient=true) at /local2/pcanal/cint_working/rootcling/v6-14-00-patches/interpreter/cling/lib/Interpreter/IncrementalParser.cpp:532
#24 0x00007fffeed06399 in cling::IncrementalParser::Compile (this=0x4a2980, input=..., Opts=...) at /local2/pcanal/cint_working/rootcling/v6-14-00-patches/interpreter/cling/lib/Interpreter/IncrementalParser.cpp:663
#25 0x00007fffeebcbc4e in cling::Interpreter::DeclareInternal (this=0x4a0f30, input=..., CO=..., T=0x7fffffffd680) at /local2/pcanal/cint_working/rootcling/v6-14-00-patches/interpreter/cling/lib/Interpreter/Interpreter.cpp:1195
#26 0x00007fffeebca8e8 in cling::Interpreter::declare (this=0x4a0f30, input=..., T=0x7fffffffd680) at /local2/pcanal/cint_working/rootcling/v6-14-00-patches/interpreter/cling/lib/Interpreter/Interpreter.cpp:823
#27 0x00007fffeebcb560 in cling::Interpreter::DeclareCFunction (this=0x4a0f30, name=..., code=..., withAccessControl=true) at /local2/pcanal/cint_working/rootcling/v6-14-00-patches/interpreter/cling/lib/Interpreter/Interpreter.cpp:1096
#28 0x00007fffeebcb862 in cling::Interpreter::compileFunction (this=0x4a0f30, name=..., code=..., ifUnique=false, withAccessControl=true)
    at /local2/pcanal/cint_working/rootcling/v6-14-00-patches/interpreter/cling/lib/Interpreter/Interpreter.cpp:1140
#29 0x00007fffeeafb83c in TClingCallFunc::compile_wrapper (withAccessControl=true, wrapper=..., wrapper_name=..., this=0xcf3c10) at /local2/pcanal/cint_working/rootcling/v6-14-00-patches/core/metacling/src/TClingCallFunc.cxx:270
#30 TClingCallFunc::make_wrapper (this=this@entry=0xcf3c10) at /local2/pcanal/cint_working/rootcling/v6-14-00-patches/core/metacling/src/TClingCallFunc.cxx:1096
#31 0x00007fffeeafbcb8 in TClingCallFunc::IFacePtr (this=this@entry=0xcf3c10) at /local2/pcanal/cint_working/rootcling/v6-14-00-patches/core/metacling/src/TClingCallFunc.cxx:2233
#32 0x00007fffeeafbe83 in TClingCallFunc::ExecT<long> (address=0x0, this=0xcf3c10) at /local2/pcanal/cint_working/rootcling/v6-14-00-patches/core/metacling/src/TClingCallFunc.cxx:2045
#33 TClingCallFunc::ExecInt (this=0xcf3c10, address=0x0) at /local2/pcanal/cint_working/rootcling/v6-14-00-patches/core/metacling/src/TClingCallFunc.cxx:2065
#34 0x00007ffff7c56e8d in TMethodCall::Execute (this=0xd97710, object=<optimized out>, retLong=@0x7fffffffd958: 0) at /local2/pcanal/cint_working/rootcling/v6-14-00-patches/core/meta/src/TMethodCall.cxx:457
#35 0x0000000000401009 in TMethodCall::Execute(long&) ()
#36 0x00000000004010ea in long TPluginHandler::ExecPluginImpl<>() ()
#37 0x000000000040106d in long TPluginHandler::ExecPlugin<>(int) ()
#38 0x0000000000400e21 in mytest() ()
#39 0x0000000000400e92 in main ()
Ismael-VC added a commit to Ismael-VC/cling that referenced this issue Feb 8, 2020
@Ismael-VC
Update instructions.
53641b9 
This is needed in fresh install of Ubuntu and Arch

Solution found here: root-project#10 (comment)
@Ismael-VC Ismael-VC mentioned this issue Feb 8, 2020
Open
FonsRademakers pushed a commit that referenced this issue May 5, 2021
@Axel-Naumann
Lifetime of MetaParser is that of its input:
db2c5de 
Before, MetaParser might have pointed to a StringRef whose storage
was gone, see asan failure in roottest/cling/other/runfileClose.C below.

This was caused by recursive uses of MetaParser; see stack trace below:
the inner recursion returned, but as the same MetaParser object was used
by both frames, the objects cursor now pointed to freed memory.

Instead, create a MetaParser (and MetaLexer) object per input. That way,
their lifetime corresponds to the lifetime of their input.

=================================================================
==529104==ERROR: AddressSanitizer: stack-use-after-return on address 0x7ffff3afd82a at pc 0x7fffea18df6d bp 0x7fffffff8170 sp 0x7fffffff8168
READ of size 1 at 0x7ffff3afd82a thread T0
[Detaching after fork from child process 529183]
    #0 0x7fffea18df6c in cling::MetaLexer::Lex(cling::Token&) src/interpreter/cling/lib/MetaProcessor/MetaLexer.cpp:58:11
    #1 0x7fffea190d7c in cling::MetaParser::lookAhead(unsigned int) src/interpreter/cling/lib/MetaProcessor/MetaParser.cpp:89:15
    #2 0x7fffea190bd5 in cling::MetaParser::consumeToken() src/interpreter/cling/lib/MetaProcessor/MetaParser.cpp:49:5
    #3 0x7fffea191d4d in cling::MetaParser::isLCommand(cling::MetaSema::ActionResult&) src/interpreter/cling/lib/MetaProcessor/MetaParser.cpp:147:9
    #4 0x7fffea1914dd in cling::MetaParser::isCommand(cling::MetaSema::ActionResult&, cling::Value*) src/interpreter/cling/lib/MetaProcessor/MetaParser.cpp:123:12
    #5 0x7fffea191216 in cling::MetaParser::isMetaCommand(cling::MetaSema::ActionResult&, cling::Value*) src/interpreter/cling/lib/MetaProcessor/MetaParser.cpp:101:33
    #6 0x7fffea14e5aa in cling::MetaProcessor::process(llvm::StringRef, cling::Interpreter::CompilationResult&, cling::Value*, bool) src/interpreter/cling/lib/MetaProcessor/MetaProcessor.cpp:317:24
    #7 0x7fffe99b67b7 in HandleInterpreterException(cling::MetaProcessor*, char const*, cling::Interpreter::CompilationResult&, cling::Value*) src/core/metacling/src/TCling.cxx:2431:29
    #8 0x7fffe99bde30 in TCling::Load(char const*, bool) src/core/metacling/src/TCling.cxx:3454:10
    #9 0x7ffff7865f11 in TSystem::Load(char const*, char const*, bool) src/core/base/src/TSystem.cxx:1941:27
    #10 0x7ffff7b8a0e3 in TUnixSystem::Load(char const*, char const*, bool) src/core/unix/src/TUnixSystem.cxx:2789:20
    #11 0x7fffd78dd08b  (<unknown module>)
    #12 0x7fffe9f8a5d9 in cling::IncrementalExecutor::executeWrapper(llvm::StringRef, cling::Value*) const src/interpreter/cling/lib/Interpreter/IncrementalExecutor.cpp:376:3
    #13 0x7fffe9d73dc2 in cling::Interpreter::RunFunction(clang::FunctionDecl const*, cling::Value*) src/interpreter/cling/lib/Interpreter/Interpreter.cpp:1141:20
    #14 0x7fffe9d6e317 in cling::Interpreter::EvaluateInternal(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, cling::CompilationOptions, cling::Value*, cling::Transaction**, unsigned long) src/interpreter/cling/lib/Interpreter/Interpreter.cpp:1391:29
    #15 0x7fffe9d6c1fe in cling::Interpreter::process(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, cling::Value*, cling::Transaction**, bool) src/interpreter/cling/lib/Interpreter/Interpreter.cpp:819:9
    #16 0x7fffea151826 in cling::MetaProcessor::readInputFromFile(llvm::StringRef, cling::Value*, unsigned long, bool) src/interpreter/cling/lib/MetaProcessor/MetaProcessor.cpp:507:22
    #17 0x7fffe99b585b in TCling::ProcessLine(char const*, TInterpreter::EErrorCode*) src/core/metacling/src/TCling.cxx:2570:39
    #18 0x7fffe99bbfee in TCling::ProcessLineSynch(char const*, TInterpreter::EErrorCode*) src/core/metacling/src/TCling.cxx:3496:17
    #19 0x7ffff77203d3 in TApplication::ExecuteFile(char const*, int*, bool) src/core/base/src/TApplication.cxx:1608:30
    #20 0x7ffff771ebdf in TApplication::ProcessFile(char const*, int*, bool) src/core/base/src/TApplication.cxx:1480:11
    #21 0x7ffff771e385 in TApplication::ProcessLine(char const*, bool, int*) src/core/base/src/TApplication.cxx:1453:14
    #22 0x7ffff7f8157a in TRint::ProcessLineNr(char const*, char const*, int*) src/core/rint/src/TRint.cxx:766:11
    #23 0x7ffff7f802f0 in TRint::Run(bool) src/core/rint/src/TRint.cxx:424:22
    #24 0x4ff96d in main src/main/src/rmain.cxx:30:12
    #25 0x7ffff6e040b2 in __libc_start_main /build/glibc-YbNSs7/glibc-2.31/csu/../csu/libc-start.c:308:16
    #26 0x41f35d in _start (asan/bin/root.exe+0x41f35d)

Address 0x7ffff3afd82a is located in stack of thread T0 at offset 42 in frame
    #0 0x7fffe99b3d8f in TCling::ProcessLine(char const*, TInterpreter::EErrorCode*) src/core/metacling/src/TCling.cxx:2456

  This frame has 21 object(s):
    [32, 56) 'sLine' (line 2462) <== Memory access at offset 42 is inside this variable
    [96, 104) 'R__guard2471' (line 2471)
    [128, 136) 'R__guard2488' (line 2488)
    [160, 176) 'interpreterFlagsRAII' (line 2491)
    [192, 240) 'result' (line 2511)
    [272, 276) 'compRes' (line 2512)
    [288, 312) 'mod_line' (line 2517)
    [352, 376) 'aclicMode' (line 2518)
    [416, 440) 'arguments' (line 2519)
    [480, 504) 'io' (line 2520)
    [544, 568) 'fname' (line 2521)
    [608, 632) 'ref.tmp' (line 2547)
    [672, 696) 'ref.tmp145' (line 2547)
    [736, 768) 'code' (line 2555)
    [800, 832) 'codeline' (line 2556)
    [864, 1384) 'in' (line 2559)
    [1520, 1552) 'ref.tmp176' (line 2562)
    [1584, 1600) 'agg.tmp'
    [1616, 1624) 'ref.tmp198' (line 2568)
    [1648, 1664) 'agg.tmp207'
    [1680, 1696) 'autoParseRaii' (line 2588)
HINT: this may be a false positive if your program uses some custom stack unwind mechanism, swapcontext or vfork
      (longjmp and C++ exceptions *are* supported)
SUMMARY: AddressSanitizer: stack-use-after-return src/interpreter/cling/lib/MetaProcessor/MetaLexer.cpp:58:11 in cling::MetaLexer::Lex(cling::Token&)
Shadow bytes around the buggy address:
  0x10007e757ab0: f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5
  0x10007e757ac0: f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5
  0x10007e757ad0: f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5
  0x10007e757ae0: f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5
  0x10007e757af0: f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5
=>0x10007e757b00: f5 f5 f5 f5 f5[f5]f5 f5 f5 f5 f5 f5 f5 f5 f5 f5
  0x10007e757b10: f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5
  0x10007e757b20: f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5
  0x10007e757b30: f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5
  0x10007e757b40: f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5
  0x10007e757b50: f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5 f5
Shadow byte legend (one shadow byte represents 8 application bytes):
  Addressable:           00
  Partially addressable: 01 02 03 04 05 06 07
  Heap left redzone:       fa
  Freed heap region:       fd
  Stack left redzone:      f1
  Stack mid redzone:       f2
  Stack right redzone:     f3
  Stack after return:      f5
  Stack use after scope:   f8
  Global redzone:          f9
  Global init order:       f6
  Poisoned by user:        f7
  Container overflow:      fc
  Array cookie:            ac
  Intra object redzone:    bb
  ASan internal:           fe
  Left alloca redzone:     ca
  Right alloca redzone:    cb
  Shadow gap:              cc
==529104==ABORTING

    at src/interpreter/cling/lib/MetaProcessor/MetaLexer.cpp:49
    at src/interpreter/cling/lib/MetaProcessor/MetaParser.cpp:41
    compRes=@0x7ffff3afd910: cling::Interpreter::kSuccess, result=0x7ffff3afd8c0, disableValuePrinting=false)
    at src/interpreter/cling/lib/MetaProcessor/MetaProcessor.cpp:314
    input_line=0x7ffff3afd829 "#define XYZ 21", compRes=@0x7ffff3afd910: cling::Interpreter::kSuccess,
    result=0x7ffff3afd8c0) at src/core/metacling/src/TCling.cxx:2431
    error=0x7fffd78cb0f4 <x>) at src/core/metacling/src/TCling.cxx:2591
    sync=false, err=0x7fffd78cb0f4 <x>) at src/core/base/src/TApplication.cxx:1472
    line=0x7fffd78c9000 "#define XYZ 21", error=0x7fffd78cb0f4 <x>)
    at src/core/base/src/TROOT.cxx:2328
   from asan/roottest/cling/other/fileClose_C.so
    filename=0x6070000f0fd0 "asan/roottest/cling/other/fileClose_C.so", flag=257)
    at /home/axel/build/llvm/llvm-project/compiler-rt/lib/asan/../sanitizer_common/sanitizer_common_interceptors.inc:6270
    at src/interpreter/cling/lib/Utils/PlatformPosix.cpp:118
    permanent=false, resolved=true)
    at src/interpreter/cling/lib/Interpreter/DynamicLibraryManager.cpp:184
    at src/interpreter/cling/lib/Interpreter/Interpreter.cpp:1444
    T=0x0) at src/interpreter/cling/lib/Interpreter/Interpreter.cpp:1560
    at src/interpreter/cling/lib/MetaProcessor/MetaSema.cpp:57
    actionResult=@0x7ffff39532b0: cling::MetaSema::AR_Success)
@LoveHuZi LoveHuZi mentioned this issue May 4, 2024
Open
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