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[Octave-bug-tracker] [bug #63707] Segfault with "make check" when config

From: Arun Giridhar
Subject: [Octave-bug-tracker] [bug #63707] Segfault with "make check" when configured with all defaults
Date: Wed, 25 Jan 2023 16:28:50 -0500 (EST)


                 Summary: Segfault with "make check" when configured with all
                 Project: GNU Octave
               Submitter: arungiridhar
               Submitted: Wed 25 Jan 2023 04:28:48 PM EST
                Category: Classdef
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Segfault, Bus Error, etc.
                  Status: None
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
                 Release: dev
         Discussion Lock: Any
        Operating System: GNU/Linux
           Fixed Release: None
         Planned Release: None


Follow-up Comments:

Date: Wed 25 Jan 2023 04:28:48 PM EST By: Arun Giridhar <arungiridhar>
This was observed with the default branch, hg id 17ec50a2f044 but is probably
older. A segfault occurs during "make check" when configured with all

$ unalias gcc g++ gfortran clang clang++
$ ../configure

The unset and unalias lines are to show "nothing up my sleeve". Everything
that follows is chosen by configure.

Configuration summary:

Octave is now configured for x86_64-pc-linux-gnu

  Source directory:              ..
  Installation prefix:           /usr/local
  C compiler:                    gcc  -pthread -fopenmp  -Wall -W -Wshadow
-Wformat -Wpointer-arith -Wmissing-prototypes -Wstrict-prototypes
-Wwrite-strings -Wcast-align -Wcast-qual -g -O2
  C++ compiler:                  g++  -pthread -fopenmp  -Wall -W -Wshadow
-Woverloaded-virtual -Wold-style-cast -Wformat -Wpointer-arith -Wwrite-strings
-Wcast-align -Wcast-qual -g -O2
  Fortran compiler:              gfortran -g -O2 -std=legacy
  Fortran libraries:              -L/usr/lib/gcc/x86_64-pc-linux-gnu/12.2.1
-L/usr/lib/gcc/x86_64-pc-linux-gnu/12.2.1/../../../../lib -L/lib/../lib
-L/usr/lib/../lib -L/usr/lib/gcc/x86_64-pc-linux-gnu/12.2.1/../../..
-lgfortran -lm -lquadmath
  Lex libraries:                 
  LIBS:                          -lpthread -lm 
  Extra LDFLAGS:                 

  AMD CPPFLAGS:                  
  AMD LDFLAGS:                   
  AMD libraries:                 -lamd
  ARPACK CPPFLAGS:               -I/usr/include/arpack 
  ARPACK LDFLAGS:                
  ARPACK libraries:              -larpack 
  BLAS libraries:                -lopenblas
  BZ2 CPPFLAGS:                  
  BZ2 LDFLAGS:                   
  BZ2 libraries:                 -lbz2
  CAMD CPPFLAGS:                 
  CAMD LDFLAGS:                  
  CAMD libraries:                -lcamd
  CARBON libraries:              
  CCOLAMD CPPFLAGS:              
  CCOLAMD LDFLAGS:               
  CCOLAMD libraries:             -lccolamd
  CHOLMOD CPPFLAGS:              
  CHOLMOD LDFLAGS:               
  CHOLMOD libraries:             -lcholmod
  COLAMD CPPFLAGS:               
  COLAMD LDFLAGS:                
  COLAMD libraries:              -lcolamd
  CURL CPPFLAGS:                 
  CURL LDFLAGS:                  
  CURL libraries:                -lcurl
  CXSPARSE CPPFLAGS:             
  CXSPARSE LDFLAGS:              
  CXSPARSE libraries:            -lcxsparse
  DL libraries:                  
  FFTW3 CPPFLAGS:                
  FFTW3 LDFLAGS:                 
  FFTW3 libraries:               -lfftw3_threads -lfftw3 
  FFTW3F CPPFLAGS:               
  FFTW3F LDFLAGS:                
  FFTW3F libraries:              -lfftw3f_threads -lfftw3f 
  FLTK CPPFLAGS:                 
  FLTK LDFLAGS:                  
  FLTK libraries:                -lfltk_gl -lGLU -lGL -lfltk -lm -lX11 -lXext
-lpthread -lXinerama -lXfixes -lXcursor -lXft -lXrender -lm -lfontconfig -ldl
  fontconfig CPPFLAGS:           -I/usr/include/freetype2
-I/usr/include/libpng16 -I/usr/include/harfbuzz -I/usr/include/glib-2.0
-I/usr/lib/glib-2.0/include -I/usr/include/sysprof-4 
  fontconfig libraries:          -lfontconfig -lfreetype 
  FreeType2 CPPFLAGS:            -I/usr/include/freetype2
-I/usr/include/libpng16 -I/usr/include/harfbuzz -I/usr/include/glib-2.0
-I/usr/lib/glib-2.0/include -I/usr/include/sysprof-4 -pthread 
  FreeType2 libraries:           -lfreetype 
  GLPK CPPFLAGS:                 
  GLPK LDFLAGS:                  
  GLPK libraries:                -lglpk
  HDF5 CPPFLAGS:                 
  HDF5 LDFLAGS:                  
  HDF5 libraries:                -lhdf5 
  Java home:                     /usr/lib/jvm/java-19-openjdk
  Java JVM path:                 /usr/lib/jvm/java-19-openjdk/lib/server
  Java CPPFLAGS:                 -I/usr/lib/jvm/java-19-openjdk/include
  Java libraries:                
  KLU CPPFLAGS:                  
  KLU LDFLAGS:                   
  KLU libraries:                 -lklu
  LAPACK libraries:              
  Magick++ CPPFLAGS:             -I/usr/include/GraphicsMagick 
  Magick++ LDFLAGS:              
  Magick++ libraries:            -lGraphicsMagick++ -lGraphicsMagick 
  OpenGL libraries:              -lGL -lGLU
  PCRE CPPFLAGS:                 
  PCRE LDFLAGS:                  
  PCRE libraries:                -lpcre2-8 
  PortAudio CPPFLAGS:            
  PortAudio LDFLAGS:             
  PortAudio libraries:           -lportaudio -lasound -lm -lpthread 
  PTHREAD flags:                 -pthread
  PTHREAD libraries:             -lpthread
  QHULL CPPFLAGS:                
  QHULL LDFLAGS:                 
  QHULL libraries:               -lqhull_r 
  QRUPDATE CPPFLAGS:             
  QRUPDATE LDFLAGS:              
  QRUPDATE libraries:            -lqrupdate
  Qt CPPFLAGS:                   -I/usr/include/qt/QtCore -I/usr/include/qt
-I/usr/include/qt/QtGui -I/usr/include/qt/QtHelp -I/usr/include/qt/QtWidgets
-I/usr/include/qt/QtSql -I/usr/include/qt/QtNetwork -I/usr/include/qt/QtOpenGL
-I/usr/include/qt/QtPrintSupport -I/usr/include/qt/QtXml 
  Qt LDFLAGS:                    
  Qt GUI libraries:              -lQt5Help -lQt5Sql -lQt5Network -lQt5OpenGL
-lQt5PrintSupport -lQt5Widgets -lQt5Gui -lQt5Xml -lQt5Core  -lqscintilla2_qt5
  Qt moc:                        moc-qt5 
  Qt uic:                        uic-qt5 
  Qt rcc:                        rcc-qt5 
  Qt lrelease:                   lrelease-qt5 
  Qt qcollectiongenerator:       qcollectiongenerator-qt5 
  Qt qhelpgenerator:             qhelpgenerator-qt5 
  READLINE libraries:            -lreadline
  Sndfile CPPFLAGS:              -I/usr/include/opus 
  Sndfile LDFLAGS:               
  Sndfile libraries:             -lsndfile 
  SPQR CPPFLAGS:                 
  SPQR LDFLAGS:                  
  SPQR libraries:                -lspqr
  SuiteSparse config libraries:  -lsuitesparseconfig
  SUNDIALS IDA libraries:        -lsundials_ida
  SUNDIALS NVECTOR libraries:    -lsundials_nvecserial
  SUNLINSOL KLU libraries:       -lsundials_sunlinsolklu
  UMFPACK CPPFLAGS:              
  UMFPACK LDFLAGS:               
  UMFPACK libraries:             -lumfpack
  X11 include flags:             
  X11 libraries:                 -lX11
  Z CPPFLAGS:                    
  Z LDFLAGS:                     
  Z libraries:                   -lz

  Default pager:                 less
  gnuplot:                       gnuplot

  Build Octave Qt GUI:                  yes (version: 5)
  Build Java interface:                 yes
  Build static libraries:               no
  Build shared libraries:               yes
  Dynamic Linking API:                  dlopen
  Include support for GNU readline:     yes
  Use push parser in command line REPL: yes
  64-bit array dims and indexing:       yes
  64-bit BLAS array dims and indexing:  no
  OpenMP SMP multithreading:            yes
  Truncate intermediate FP results:     yes
  Build cross tools:                    no
  Build docs:                           yes

configure: WARNING: RapidJSON library found, but some features do not seem to
work properly.  The "PrettyWriter" option in jsonencode will be disabled.
configure: WARNING: JAVA_HOME environment variable not initialized. 
Auto-detection will proceed but is unreliable.
configure: NOTE: Libraries or auxiliary programs may be skipped if they are
not found
configure: NOTE: OR if they are missing required features on your system.

Building is OK. Then "make check" segfaults with:

  libinterp/octave-value/ov-class.cc-tst .........................fatal:
caught signal Segmentation fault -- stopping myself...
make[4]: *** [Makefile:2879: check-local] Error 139

Configuring with `--disable-java` prevents the problem. If that is done, then
`make check` passes. The correspinding log for ov-class.cc is:

>>>>> processing ..../libinterp/octave-value/ov-class.cc-tst
***** testif HAVE_JAVA; usejava ("jvm")
 jobj = javaObject ("java.lang.StringBuffer");
 assert (class (jobj), "java.lang.StringBuffer");
----- skipped test (missing feature)

***** testif HAVE_JAVA; usejava ("jvm")
 ## The first and last assert() are equal on purpose.  The assert() in
 ## the middle with an invalid class name will cause the java code to
 ## throw exceptions which we then must clear properly (or all other calls
 ## will fail).  So we test this too.
 assert (isa (javaObject ("java.lang.Double", 10), "java.lang.Number"));
 assert (isa (javaObject ("java.lang.Double", 10), "not_a_class"), false);
 assert (isa (javaObject ("java.lang.Double", 10), "java.lang.Number"));
----- skipped test (missing feature)

Therefore those two tests are causing segfaults.

Java version:

$ java --version
openjdk 19.0.2 2023-01-17
OpenJDK Runtime Environment (build 19.0.2+7)
OpenJDK 64-Bit Server VM (build 19.0.2+7, mixed mode)

Should the default option be to disable Java unless explicitly enabled with


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