octave segfaults at "clear -all"
Thomas Müller
thomas at mathtm.de
Sun Jun 1 13:33:20 CDT 2008
Bug report for Octave 3.0.1 configured for x86_64-redhat-linux-gnu
Description:
-----------
octave segfaults when evaluating "clear -all"
$ octave -q --eval "clear -all"
panic: Segmentation fault -- stopping myself...
attempting to save variables to `octave-core'...
save to `octave-core' complete
Segmentation fault
$ gdb -q octave
(gdb) run -q --eval "clear -all"
Starting program: /usr/bin/octave -q --eval "clear -all"
warning: "/usr/lib/debug/usr/lib64/atlas/liblapack.so.3.0.debug": The separate debug info file has
no debug info
warning: "/usr/lib/debug/usr/lib64/atlas/libblas.so.3.0.debug": The separate debug info file has no
debug info
[Thread debugging using libthread_db enabled]
[New Thread 0x7ff82c7b5700 (LWP 3461)]
Program received signal SIGSEGV, Segmentation fault.
0x00000032d95b8496 in symbol_record::clear (this=<value optimized out>) at ov.h:392
392 { return rep->is_defined (); }
Current language: auto; currently c++
(gdb) bt
#0 0x00000032d95b8496 in symbol_record::clear (this=<value optimized out>) at ov.h:392
#1 0x00000032d95b8f95 in symbol_table::clear (this=<value optimized out>) at symtab.cc:825
#2 0x00000032d95e2f4e in Fclear (args=<value optimized out>) at variables.cc:2534
#3 0x00000032d968aba6 in octave_builtin::do_multi_index_op (this=<value optimized out>,
nargout=<value optimized out>, args=<value optimized out>) at ov-builtin.cc:104
#4 0x00000032d968af4c in octave_builtin::subsref (this=<value optimized out>, type=<value optimized
out>, idx=<value optimized out>, nargout=<value optimized out>)
at ov-builtin.cc:54
#5 0x00000032d96553a5 in octave_value::subsref (this=<value optimized out>, type=<value optimized
out>, idx=<value optimized out>, nargout=<value optimized out>) at ov.cc:783
#6 0x00000032d97650e5 in tree_index_expression::rvalue (this=<value optimized out>, nargout=<value
optimized out>) at pt-idx.cc:352
#7 0x00000032d97853f2 in tree_statement::eval (this=<value optimized out>, silent=<value optimized
out>, nargout=<value optimized out>, in_function_body=<value optimized out>)
at pt-stmt.cc:133
#8 0x00000032d9785629 in tree_statement_list::eval (this=<value optimized out>, silent=<value
optimized out>, nargout=<value optimized out>) at pt-stmt.cc:190
#9 0x00000032d957feec in eval_string (s=<value optimized out>, silent=<value optimized out>,
parse_status=<value optimized out>, nargout=<value optimized out>) at parse.y:3924
#10 0x00000032d956bc83 in execute_eval_option_code (code=<value optimized out>) at octave.cc:389
#11 0x00000032d956d41d in octave_main (argc=<value optimized out>, argv=<value optimized out>,
embedded=<value optimized out>) at octave.cc:785
#12 0x0000003821a1e32a in __libc_start_main (main=<value optimized out>, argc=<value optimized out>,
ubp_av=<value optimized out>, init=<value optimized out>,
fini=<value optimized out>, rtld_fini=<value optimized out>, stack_end=Could not find the frame
base for "__libc_start_main".
) at libc-start.c:220
#13 0x0000000000400759 in _start ()
(gdb) c
Continuing.
panic: Segmentation fault -- stopping myself...
attempting to save variables to `octave-core'...
save to `octave-core' complete
Program received signal SIGSEGV, Segmentation fault.
0x00000032d95b8496 in symbol_record::clear (this=<value optimized out>) at ov.h:392
392 { return rep->is_defined (); }
(gdb) c
Continuing.
Program terminated with signal SIGSEGV, Segmentation fault.
The program no longer exists.
(gdb) q
The Windows version also segfaults when executing "clear -all".
Repeat-By:
---------
Just call "octave --eval "clear -all"" or execute "clear -all" interactively.
Fix:
---
N/A
Configuration (please do not edit this section):
-----------------------------------------------
uname output: Linux thomas-pc.local.loc 2.6.25.3-18.fc9.x86_64 #1 SMP Tue May 13 04:54:47 EDT
2008 x86_64 x86_64 x86_64 GNU/Linux
configure opts: '--build=x86_64-redhat-linux-gnu' '--host=x86_64-redhat-linux-gnu'
'--target=x86_64-redhat-linux-gnu' '--program-prefix=' '--prefix=/usr' '--exec-prefix=/usr' '--
bindir=/usr/bin' '--sbindir=/usr/sbin' '--sysconfdir=/etc' '--datadir=/usr/share'
'--includedir=/usr/include' '--libdir=/usr/lib64' '--libexecdir=/usr/libexec' '--localstatedir=/va
r' '--sharedstatedir=/usr/com' '--mandir=/usr/share/man' '--infodir=/usr/share/info'
'--enable-shared' '--disable-static' '--enable-64=no' '--with-f77=gfortran' 'build_alias=x86_64
-redhat-linux-gnu' 'host_alias=x86_64-redhat-linux-gnu' 'target_alias=x86_64-redhat-linux-gnu'
'CFLAGS=-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --p
aram=ssp-buffer-size=4 -m64 -mtune=generic' 'CPPFLAGS=-DH5_USE_16_API' 'CXXFLAGS=-O2 -g -pipe -Wall
-Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4
-m64 -mtune=generic' 'FFLAGS=-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions
-fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic'
Fortran compiler: gfortran
FFLAGS: -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector
--param=ssp-buffer-size=4 -m64 -mtune=generic
F2C: @F2C@
F2CFLAGS: @F2CFLAGS@
FLIBS: -L/usr/lib/gcc/x86_64-redhat-linux/4.3.0
-L/usr/lib/gcc/x86_64-redhat-linux/4.3.0/../../../../lib64 -L/lib/../lib64 -L/usr/lib/../lib64
-L/usr/lib/gcc/x86_64-redh
at-linux/4.3.0/../../.. -lhdf5 -lz -lgfortranbegin -lgfortran -lm
CPPFLAGS: -DH5_USE_16_API
INCFLAGS: -I. -I. -I./liboctave -I./src -I./libcruft/misc
C compiler: gcc, version 4.3.0 20080416 (Red Hat 4.3.0-7) (GCC)
CFLAGS: -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector
--param=ssp-buffer-size=4 -m64 -mtune=generic
CPICFLAG: -fPIC
C++ compiler: g++, version 4.3.0
CXXFLAGS: -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector
--param=ssp-buffer-size=4 -m64 -mtune=generic
CXXPICFLAG: -fPIC
LD_CXX: g++
LDFLAGS:
LIBFLAGS: -L.
RLD_FLAG: -Wl,-rpath -Wl,/usr/lib64/octave-3.0.1
BLAS_LIBS: -llapack -lblas
FFTW_LIBS: -lfftw3
LIBS: -lreadline -lncurses -ldl -lhdf5 -lz -lm
LEXLIB:
LIBGLOB:
SED: /bin/sed
DEFS:
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-DHAVE_TIMES=1 -DYYTEXT_POINTER=1 -DGNUPLOT_BINARY="gnuplot"
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