[Bug regression/38223] New: segfault in glib testsuite with trunk

dirtyepic at gentoo dot org gcc-bugzilla@gcc.gnu.org
Sat Nov 22 07:09:00 GMT 2008 

this code from the glib-2.18.2 testsuite segfaults during execution when
compiled with >= -O1 (not -O0 or -Os).  i hope this is the information you
need.  let me know if you need more.

---8<---

kali /var/tmp/portage/dev-libs/glib-2.18.2/work/glib-2.18.2/tests # gcc -v
--save-temps relation-test.c -o relation-test -O1 -I../glib -I..
../glib/.libs/libglib-2.0.so  -Wl,--rpath
-Wl,/var/tmp/portage/dev-libs/glib-2.18.2/work/glib-2.18.2/glib/.libs
Using built-in specs.
Target: x86_64-pc-linux-gnu
Configured with:
/var/tmp/portage/sys-devel/gcc-4.4.0_pre9999/work/gcc-4.4.0-9999/configure
--prefix=/usr --bindir=/usr/x86_64-pc-linux-gnu/gcc-bin/4.4.0-pre9999
--includedir=/usr/lib/gcc/x86_64-pc-linux-gnu/4.4.0-pre9999/include
--datadir=/usr/share/gcc-data/x86_64-pc-linux-gnu/4.4.0-pre9999
--mandir=/usr/share/gcc-data/x86_64-pc-linux-gnu/4.4.0-pre9999/man
--infodir=/usr/share/gcc-data/x86_64-pc-linux-gnu/4.4.0-pre9999/info
--with-gxx-include-dir=/usr/lib/gcc/x86_64-pc-linux-gnu/4.4.0-pre9999/include/g++-v4
--host=x86_64-pc-linux-gnu --build=x86_64-pc-linux-gnu --disable-altivec
--disable-fixed-point --disable-nls --with-system-zlib --disable-checking
--disable-werror --enable-secureplt --enable-multilib --disable-libmudflap
--disable-libssp --enable-libgomp --enable-cld --disable-libgcj
--enable-languages=c,c++ --enable-shared --enable-threads=posix
--enable-__cxa_atexit --enable-clocale=gnu
--with-bugurl=http://bugs.gentoo.org/ --with-pkgversion= --enable-linux-futex
--enable-checking
Thread model: posix
gcc version 4.4.0-pre9999 built 20081120 (Gentoo SVN ebuild) rev. 142066 ()
COLLECT_GCC_OPTIONS='-v' '-save-temps' '-o' 'relation-test' '-O1' '-I../glib'
'-I..' '-mtune=generic'
 /usr/libexec/gcc/x86_64-pc-linux-gnu/4.4.0-pre9999/cc1 -E -quiet -v -I../glib
-I.. relation-test.c -mtune=generic -O1 -fpch-preprocess -o relation-test.i
ignoring nonexistent directory "/usr/local/include"
ignoring nonexistent directory
"/usr/lib/gcc/x86_64-pc-linux-gnu/4.4.0-pre9999/../../../../x86_64-pc-linux-gnu/include"
#include "..." search starts here:
#include <...> search starts here:
 ../glib
 ..
 /usr/lib/gcc/x86_64-pc-linux-gnu/4.4.0-pre9999/include
 /usr/lib/gcc/x86_64-pc-linux-gnu/4.4.0-pre9999/include-fixed
 /usr/include
End of search list.
COLLECT_GCC_OPTIONS='-v' '-save-temps' '-o' 'relation-test' '-O1' '-I../glib'
'-I..' '-mtune=generic'
 /usr/libexec/gcc/x86_64-pc-linux-gnu/4.4.0-pre9999/cc1 -fpreprocessed
relation-test.i -quiet -dumpbase relation-test.c -mtune=generic -auxbase
relation-test -O1 -version -o relation-test.s
GNU C () version 4.4.0-pre9999 built 20081120 (Gentoo SVN ebuild) rev. 142066
(x86_64-pc-linux-gnu)
        compiled by GNU C version 4.4.0-pre9999 built 20081120 (Gentoo SVN
ebuild) rev. 142066, GMP version 4.2.4, MPFR version 2.3.2.
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
Compiler executable checksum: d4c9642bc626bf4a7400061384dcd0e6
COLLECT_GCC_OPTIONS='-v' '-save-temps' '-o' 'relation-test' '-O1' '-I../glib'
'-I..' '-mtune=generic'

/usr/lib/gcc/x86_64-pc-linux-gnu/4.4.0-pre9999/../../../../x86_64-pc-linux-gnu/bin/as
-V -Qy -o relation-test.o relation-test.s
GNU assembler version 2.19.50.0.1 (x86_64-pc-linux-gnu) using BFD version
(Linux/GNU Binutils) 2.19.50.0.1.20081007
COMPILER_PATH=/usr/libexec/gcc/x86_64-pc-linux-gnu/4.4.0-pre9999/:/usr/libexec/gcc/x86_64-pc-linux-gnu/4.4.0-pre9999/:/usr/libexec/gcc/x86_64-pc-linux-gnu/:/usr/lib/gcc/x86_64-pc-linux-gnu/4.4.0-pre9999/:/usr/lib/gcc/x86_64-pc-linux-gnu/:/usr/libexec/gcc/x86_64-pc-linux-gnu/4.4.0-pre9999/:/usr/libexec/gcc/x86_64-pc-linux-gnu/:/usr/lib/gcc/x86_64-pc-linux-gnu/4.4.0-pre9999/:/usr/lib/gcc/x86_64-pc-linux-gnu/:/usr/lib/gcc/x86_64-pc-linux-gnu/4.4.0-pre9999/../../../../x86_64-pc-linux-gnu/bin/
LIBRARY_PATH=/usr/lib/gcc/x86_64-pc-linux-gnu/4.4.0-pre9999/:/usr/lib/gcc/x86_64-pc-linux-gnu/4.4.0-pre9999/:/usr/lib/gcc/x86_64-pc-linux-gnu/4.4.0-pre9999/../../../../lib64/:/lib/../lib64/:/usr/lib/../lib64/:/usr/lib/gcc/x86_64-pc-linux-gnu/4.4.0-pre9999/../../../../x86_64-pc-linux-gnu/lib/:/usr/lib/gcc/x86_64-pc-linux-gnu/4.4.0-pre9999/../../../:/lib/:/usr/lib/
COLLECT_GCC_OPTIONS='-v' '-save-temps' '-o' 'relation-test' '-O1' '-I../glib'
'-I..' '-mtune=generic'
 /usr/libexec/gcc/x86_64-pc-linux-gnu/4.4.0-pre9999/collect2 --eh-frame-hdr -m
elf_x86_64 -dynamic-linker /lib64/ld-linux-x86-64.so.2 -o relation-test
/usr/lib/gcc/x86_64-pc-linux-gnu/4.4.0-pre9999/../../../../lib64/crt1.o
/usr/lib/gcc/x86_64-pc-linux-gnu/4.4.0-pre9999/../../../../lib64/crti.o
/usr/lib/gcc/x86_64-pc-linux-gnu/4.4.0-pre9999/crtbegin.o
-L/usr/lib/gcc/x86_64-pc-linux-gnu/4.4.0-pre9999
-L/usr/lib/gcc/x86_64-pc-linux-gnu/4.4.0-pre9999
-L/usr/lib/gcc/x86_64-pc-linux-gnu/4.4.0-pre9999/../../../../lib64
-L/lib/../lib64 -L/usr/lib/../lib64
-L/usr/lib/gcc/x86_64-pc-linux-gnu/4.4.0-pre9999/../../../../x86_64-pc-linux-gnu/lib
-L/usr/lib/gcc/x86_64-pc-linux-gnu/4.4.0-pre9999/../../.. relation-test.o
../glib/.libs/libglib-2.0.so --rpath
/var/tmp/portage/dev-libs/glib-2.18.2/work/glib-2.18.2/glib/.libs -lgcc
--as-needed -lgcc_s --no-as-needed -lc -lgcc --as-needed -lgcc_s --no-as-needed
/usr/lib/gcc/x86_64-pc-linux-gnu/4.4.0-pre9999/crtend.o
/usr/lib/gcc/x86_64-pc-linux-gnu/4.4.0-pre9999/../../../../lib64/crtn.o

kali ~ # gcc -O1 relation-test.i -lglib-2.0 -o relation-test

kali ~ # gdb ./relation-test
GNU gdb 6.8
Copyright (C) 2008 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-pc-linux-gnu"...
(no debugging symbols found)
(gdb) run
Starting program: /root/relation-test

Program received signal SIGSEGV, Segmentation fault.
IA__g_int_hash (v=0x7fffdb813000) at gutils.c:3162
3162    gutils.c: No such file or directory.
        in gutils.c
(gdb) bt
#0  IA__g_int_hash (v=0x7fffdb813000) at gutils.c:3162
#1  0x00007f4cd3345d83 in IA__g_hash_table_lookup (hash_table=0x1931080,
key=0x7fffdb813000) at ghash.c:118
#2  0x00007f4cd3361c08 in IA__g_relation_insert (relation=0x1930010) at
grel.c:211
#3  0x000000000040075e in main ()


-- 
           Summary: segfault in glib testsuite with trunk
           Product: gcc
           Version: 4.4.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: regression
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: dirtyepic at gentoo dot org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38223

More information about the Gcc-bugs mailing list