[Bug java/32836] New: infinite loop (SIGSEGV) in java::lang::Throwable::fillInStackTrace

["artem at bizlink dot ru" <gcc-bugzilla@gcc.gnu.org>]

This is Fedora 7.

$ gcj -v
Using built-in specs.
Reading specs from /usr/lib/gcc/i386-redhat-linux/4.1.2/libgcj.spec
rename spec startfile to startfileorig
rename spec lib to liborig
Target: i386-redhat-linux
Configured with: ../configure --prefix=/usr --mandir=/usr/share/man
--infodir=/usr/share/info --enable-shared --enable-threads=posix
--enable-checking=release --with-system-zlib --enable-__cxa_atexit
--disable-libunwind-exceptions
--enable-languages=c,c++,objc,obj-c++,java,fortran,ada --enable-java-awt=gtk
--disable-dssi --enable-plugin
--with-java-home=/usr/lib/jvm/java-1.5.0-gcj-1.5.0.0/jre
--enable-libgcj-multifile --enable-java-maintainer-mode
--with-ecj-jar=/usr/share/java/eclipse-ecj.jar --with-cpu=generic
--host=i386-redhat-linux
Thread model: posix
gcc version 4.1.2 20070502 (Red Hat 4.1.2-12)

There is this curious stack trace (in GDB):

...
#7889 <signal handler called>
#7890 0x006fc7e6 in ?? () from /lib/libgcc_s.so.1
#7891 0x006fd6b2 in _Unwind_Backtrace () from /lib/libgcc_s.so.1
#7892 0x02d9ac4e in _Jv_StackTrace::GetStackTrace () from
/usr/lib/libgcj.so.8rh
#7893 0x02dd5ecc in java::lang::VMThrowable::fillInStackTrace () from
/usr/lib/libgcj.so.8rh
#7894 0x03259492 in java::lang::Throwable::fillInStackTrace () from
/usr/lib/libgcj.so.8rh
#7895 0x03258ddd in java::lang::Throwable::Throwable () from
/usr/lib/libgcj.so.8rh
#7896 0x03258da3 in java::lang::Throwable::Throwable () from
/usr/lib/libgcj.so.8rh
#7897 0x0323cefb in java::lang::Exception::Exception () from
/usr/lib/libgcj.so.8rh
#7898 0x0324369b in java::lang::RuntimeException::RuntimeException () from
/usr/lib/libgcj.so.8rh
#7899 0x032418db in java::lang::NullPointerException::NullPointerException ()
from /usr/lib/libgcj.so.8rh
#7900 0x02d89b08 in ?? () from /usr/lib/libgcj.so.8rh
#7901 <signal handler called>
#7902 0x006fc7e6 in ?? () from /lib/libgcc_s.so.1
#7903 0x006fd6b2 in _Unwind_Backtrace () from /lib/libgcc_s.so.1
---Type <return> to continue, or q <return> to quit---
#7904 0x02d9ac4e in _Jv_StackTrace::GetStackTrace () from
/usr/lib/libgcj.so.8rh
#7905 0x02dd5ecc in java::lang::VMThrowable::fillInStackTrace () from
/usr/lib/libgcj.so.8rh
#7906 0x03259492 in java::lang::Throwable::fillInStackTrace () from
/usr/lib/libgcj.so.8rh
#7907 0x03258ddd in java::lang::Throwable::Throwable () from
/usr/lib/libgcj.so.8rh
#7908 0x03258da3 in java::lang::Throwable::Throwable () from
/usr/lib/libgcj.so.8rh
#7909 0x0323cefb in java::lang::Exception::Exception () from
/usr/lib/libgcj.so.8rh
#7910 0x0324369b in java::lang::RuntimeException::RuntimeException () from
/usr/lib/libgcj.so.8rh
#7911 0x032418db in java::lang::NullPointerException::NullPointerException ()
from /usr/lib/libgcj.so.8rh
#7912 0x02d89b08 in ?? () from /usr/lib/libgcj.so.8rh
#7913 <signal handler called>
#7914 0x006fc7e6 in ?? () from /lib/libgcc_s.so.1
#7915 0x006fd6b2 in _Unwind_Backtrace () from /lib/libgcc_s.so.1
#7916 0x02d9ac4e in _Jv_StackTrace::GetStackTrace () from
/usr/lib/libgcj.so.8rh
#7917 0x02dd5ecc in java::lang::VMThrowable::fillInStackTrace () from
/usr/lib/libgcj.so.8rh
#7918 0x03259492 in java::lang::Throwable::fillInStackTrace () from
/usr/lib/libgcj.so.8rh
#7919 0x03258ddd in java::lang::Throwable::Throwable () from
/usr/lib/libgcj.so.8rh
#7920 0x03258da3 in java::lang::Throwable::Throwable () from
/usr/lib/libgcj.so.8rh
#7921 0x0323cefb in java::lang::Exception::Exception () from
/usr/lib/libgcj.so.8rh
#7922 0x0324369b in java::lang::RuntimeException::RuntimeException () from
/usr/lib/libgcj.so.8rh
#7923 0x032418db in java::lang::NullPointerException::NullPointerException ()
from /usr/lib/libgcj.so.8rh
#7924 0x02d89b08 in ?? () from /usr/lib/libgcj.so.8rh
#7925 <signal handler called>
#7926 0x08368d70 in aga::stpcpy (dest=0x64353f5d "", _src=0x836c92b "&ssi=") at
chomp.cpp:174

As you can see, fillInStackTrace goes into an infinite loop, presumably due to
SIGSEGV in itself, until it stack overflows.

I can provide the binary and the core if somebody is interested in fixing this.


-- 
           Summary: infinite loop (SIGSEGV) in
                    java::lang::Throwable::fillInStackTrace
           Product: gcc
           Version: 4.1.2
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: java
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: artem at bizlink dot ru
 GCC build triplet: i386-redhat-linux
  GCC host triplet: i386-redhat-linux
GCC target triplet: i386-redhat-linux


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32836