libgcj/5782: prims.cc produces null pointer while allocating an uninitialized object

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* libgcj/5782: prims.cc produces null pointer while allocating an uninitialized object
@ 2002-02-25 21:26 toddastock
  0 siblings, 0 replies; 2+ messages in thread
From: toddastock @ 2002-02-25 21:26 UTC (permalink / raw)
  To: gcc-gnats


>Number:         5782
>Category:       libgcj
>Synopsis:       prims.cc null pointer while allocating an unitialized object.
>Confidential:   no
>Severity:       critical
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Mon Feb 25 19:56:02 PST 2002
>Closed-Date:
>Last-Modified:
>Originator:     
>Release:        3.1 20020225 (experimental)
>Organization:
>Environment:
System: Linux escher 2.4.9-21 #1 Thu Jan 17 14:16:30 EST 2002 i686 unknown
Architecture: i686

	
host: i686-pc-linux-gnu
build: i686-pc-linux-gnu
target: i686-pc-linux-gnu
configured with: ./configure --enable-threads=posix --prefix=/home/tstock/local --disable-shared --enable-languages=c++,java : (reconfigured)  : (reconfigured) 
>Description:
In prims.cc it's possible to reach _Jv_AllocObjectNoFinalizer with class size equal to zero.  Thus causing the _Jv_AllocObj to fail and throw a null pointer exception.
Nothing prior to the NestedCreater.create() call in the test case initializes the class TestDecl2 so the size is zero.  It's initialized upon entering _Jv_AllocObjectNoFinalizer, but the size field is not re-read.
>How-To-Repeat:
File: Test.java:
========================================
import java.io.*;
import java.util.*;
import java.lang.reflect.*;

public class Test
  {

  static Class clz = null;

  public static void main (String[] args)
    {

      Test t = new Test( );
      try
        {
	  clz = Class.forName( "TestDecl1" );
          t.doit( clz );
        }
      catch( ClassNotFoundException e )
        {
        }
    }

  interface NestedCreator
    {
      public Object create(Object parent)
          throws InvocationTargetException, IllegalAccessException, InstantiationException;
    }

  public void doit (final Class bean)
    {
      NestedCreator creator = null;
      try
        {
          Method[] methods = bean.getMethods();
          for( int i=0; i<methods.length; i++ )
            {
              final Method m = methods[i];
              final String name = m.getName();

              if( ! "dummy".equals(name) ) continue;

              Class[] args = m.getParameterTypes();
              final Constructor c = args[0].getConstructor(new Class[] {});
              creator = new NestedCreator()
                {
                  public Object create(Object parent)
                    throws InvocationTargetException, IllegalAccessException, InstantiationException
                    {
                      Object o = c.newInstance(new Object[] {});
                      m.invoke(parent, new Object[] {o});
                      return o;
                    }
                 };
            }
        }
      catch( NoSuchMethodException nse )
        {
        }

      try
        {
// Throws NullPointerException
          System.err.println("create="+creator.create( Test.clz.newInstance() ));
        }
      catch( IllegalAccessException e )
        {
        }
      catch( InstantiationException e )
        {
        }
      catch( InvocationTargetException e )
        {
        }
    }
  }
File: TestDecl1.java:
========================================
public class TestDecl1 extends TestDecl {

}
File: TestDecl2.java:
========================================
public class TestDecl2 extends TestDecl {

}
File: TestDecl.java:
========================================
public abstract class TestDecl {

  public void dummy( TestDecl2 o )
    {
      System.err.println("dummy");
    }
}
>Fix:
This may not be the appropriate fix for the problem.  Possibly you would want to run _Jv_InitClass prior to entering the _Jv_AllocObjectNoFinalizer.
Index: prims.cc
===================================================================
RCS file: /cvsroot/gcc/gcc/libjava/prims.cc,v
retrieving revision 1.71
diff -u -r1.71 prims.cc
--- prims.cc	7 Feb 2002 18:59:50 -0000	1.71
+++ prims.cc	26 Feb 2002 03:00:17 -0000
@@ -381,6 +381,7 @@
 _Jv_AllocObjectNoFinalizer (jclass klass, jint size)
 {
   _Jv_InitClass (klass);
+  if( size == 0 ) size = klass->size();
   jobject obj = (jobject) _Jv_AllocObj (size, klass);
   jvmpi_notify_alloc (klass, size, obj);
   return obj;
>Release-Note:
>Audit-Trail:
>Unformatted:


^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: libgcj/5782: prims.cc produces null pointer while allocating an uninitialized object
@ 2002-03-02 10:36 Todd Stock
  0 siblings, 0 replies; 2+ messages in thread
From: Todd Stock @ 2002-03-02 10:36 UTC (permalink / raw)
  To: nobody; +Cc: gcc-prs

The following reply was made to PR libgcj/5782; it has been noted by GNATS.

From: Todd Stock <toddastock@yahoo.com>
To: tromey@redhat.com
Cc: gcc-gnats@gcc.gnu.org
Subject: Re: libgcj/5782: prims.cc produces null pointer while allocating an uninitialized object
Date: Sat, 02 Mar 2002 10:35:25 -0800

 This is a multi-part message in MIME format.
 --------------060107080409010301080602
 Content-Type: text/plain; charset=us-ascii; format=flowed
 Content-Transfer-Encoding: 7bit
 
 The package I have been working on that has helped to show these 
 problems is Jakarta Ant 1.4.  I know that not all the examples that I 
 have created really make much sence, but it's better than just pointing 
 at the entire Jakarta Ant package.
 
 Anyways I setup a script session to demonstrate the problem that I am 
 having with this bug.  I am pretty sure that the variable creator is not 
 null.  I am also sure that the null pointer exception is coming from a 
 seg fault thrown in the garbage collector.  Attached is the scripted 
 output of a session showing the problem and where it happens.  I also 
 attached the Java code and compiled classes.
 
 To ensure an even playing field I have cleaned my entire source tree and 
 downloaded a new one.  So any of the changes that I had made earlier 
 shouldn't be a problem here.
 
 -Todd
 
 --------------060107080409010301080602
 Content-Type: text/plain;
  name="typescript"
 Content-Transfer-Encoding: 7bit
 Content-Disposition: inline;
  filename="typescript"
 
 Script started on Sat Mar  2 10:22:44 2002
 $ cat .gdbinit
 handle SIGPIPE nostop noprint
 handle SIGPWR nostop noprint
 handle SIGXCPU nostop noprint
 directory /home/tstock/src2/gcc/libjava/java/lang
 directory /home/tstock/src2/gcc/libjava/include
 directory /home/tstock/src2/gcc/libjava/gcj
 directory /home/tstock/src2/gcc/boehm-gc/include/private
 directory /home/tstock/src2/gcc/i686-pc-linux-gnu/libjava/include
 set args -Djava.class.path=.:/home/tstock/src2/gcc/i686-pc-linux-gnu/libjava Test
 $ LD_LIBRARY_PATH=/home/tstock/src2/gcc/gcc:/home/tstock/sr c2/gcc/i686-pc-linux-gnu/libjava/.libs:/home/tstock/src2/gcc/i686-pc-linux-gnu/boehm-gc/.libs:/home/tstock/src2/gcc/i686-pc-linux-gnu/zlib/.libs gdb /home/tstock/src2/gcc/i686-pc-linux-gnu/libjava/.libs/gij
 GNU gdb 2002-02-27-cvs
 Copyright 2002 Free Software Foundation, Inc.
 GDB is free software, covered by the GNU General Public License, and you are
 welcome to change it and/or distribute copies of it under certain conditions.
 Type "show copying" to see the conditions.
 There is absolutely no warranty for GDB.  Type "show warranty" for details.
 This GDB was configured as "i686-pc-linux-gnu"...
 (gdb) break main
 Breakpoint 1 at 0x8048aa4: file gij.cc, line 55.
 (gdb) run
 Starting program: /home/tstock/src2/gcc/i686-pc-linux-gnu/libjava/.libs/gij -Djava.class.path=.:/home/tstock/src2/gcc/i686-pc-linux-gnu/libjava Test
 [New Thread 1024 (LWP 10372)]
 [Switching to Thread 1024 (LWP 10372)]
 
 Breakpoint 1, main (argc=3, argv=0xbffff604) at gij.cc:55
 55	  int last_D_option = 0;
 (gdb) break natClass.cc:149
 Breakpoint 2 at 0x40235753: file java/lang/natClass.cc, line 149.
 (gdb) cont
 Continuing.
 [New Thread 2049 (LWP 10373)]
 [New Thread 1026 (LWP 10374)]
 
 Breakpoint 2, java::lang::Class::getConstructor(JArray<java::lang::Class*>*) (
     this=0x80965b0, param_types=0x807dfd8) at java/lang/natClass.cc:149
 149		  cons->declaringClass = this;
 (gdb) print this->size()
 $1 = 0
 (gdb) print &this->name->data[0]
 $2 = 0x8079934 "TestDecl2"
 (gdb) break natMethod.cc:363
 Breakpoint 3 at 0x40246553: file java/lang/reflect/natMethod.cc, line 363.
 (gdb) cont
 Continuing.
 creator=Test$1@809edb0
 
 Breakpoint 3, _Jv_CallAnyMethodA(java::lang::Object*, java::lang::Class*, _Jv_Method*, bool, JArray<java::lang::Class*>*, jvalue*, jvalue*) (obj=0x0, 
     return_type=0x80965b0, meth=0x80e02d0, is_constructor=1 '\001', 
     parameter_types=0x807dfc8, args=0xbfffec7c, result=0xbfffec98)
     at java/lang/reflect/natMethod.cc:363
 363	      obj = JvAllocObject (return_type);
 (gdb) print return_type->size()
 $3 = 0
 (gdb) print &return_type->name->data[0]
 $4 = 0x8079934 "TestDecl2"
 (gdb) s
 JvAllocObject (cls=0x80965b0) at cni.h:26
 26	  return _Jv_AllocObject (cls, cls->size());
 (gdb) s
 java::lang::Class::size() (this=0x80965b0) at Class.h:217
 217	      return size_in_bytes;
 (gdb) s
 218	    }
 (gdb) s
 _Jv_AllocObject (klass=0x80965b0, size=0) at prims.cc:402
 402	  jobject obj = _Jv_AllocObjectNoFinalizer (klass, size);
 (gdb) s
 _Jv_AllocObjectNoFinalizer (klass=0x80965b0, size=0) at prims.cc:392
 392	  _Jv_InitClass (klass);
 (gdb) n
 393	  jobject obj = (jobject) _Jv_AllocObj (size, klass);
 (gdb) s
 _Jv_AllocObj (size=0, klass=0x80965b0) at java-gc.h:42
 42	  return GC_local_gcj_malloc (size, klass->vtable);
 (gdb) 
 GC_local_gcj_malloc (bytes=0, ptr_to_struct_containing_descr=0x80f3bc0)
     at linux_threads.c:393
 393	    if (EXPECT(!SMALL_ENOUGH(bytes), 0)) {
 Current language:  auto; currently c
 (gdb) 
 396		int index = INDEX_FROM_BYTES(bytes);
 (gdb) 
 397		ptr_t * my_fl = ((GC_thread)GC_getspecific(GC_thread_key))
 (gdb) 
 GC_getspecific (key=0x8072000) at specific.h:75
 75	    long qtid = quick_thread_id();
 (gdb) 
 quick_thread_id () at specific.h:50
 50	    return (long)(&dummy) >> 12;
 (gdb) 
 51	}
 (gdb) 
 GC_getspecific (key=0x8072000) at specific.h:76
 76	    unsigned hash_val = CACHE_HASH(qtid);
 (gdb) 
 77	    tse * volatile * entry_ptr = key -> cache + hash_val;
 (gdb) 
 78	    tse * entry = *entry_ptr;   /* Must be loaded only once.	*/
 (gdb) 
 79	    if (entry -> qtid == qtid) return entry -> value;
 (gdb) 
 81	}
 (gdb) 
 GC_local_gcj_malloc (bytes=0, ptr_to_struct_containing_descr=0x80f3bc0)
     at linux_threads.c:399
 399		ptr_t my_entry = *my_fl;
 (gdb) 
 400		if (EXPECT((word)my_entry >= HBLKSIZE, 1)) {
 (gdb) 
 401		    GC_PTR result = (GC_PTR)my_entry;
 (gdb) 
 408		    *(volatile ptr_t *)my_fl = obj_link(my_entry);
 (gdb) 
 
 Program received signal SIGSEGV, Segmentation fault.
 0x40630a3e in GC_local_gcj_malloc (bytes=0, 
     ptr_to_struct_containing_descr=0x80f3bc0) at linux_threads.c:408
 408		    *(volatile ptr_t *)my_fl = obj_link(my_entry);
 (gdb) where
 #0  0x40630a3e in GC_local_gcj_malloc (bytes=0, 
     ptr_to_struct_containing_descr=0x80f3bc0) at linux_threads.c:408
 #1  0x403e6f97 in _Jv_AllocObj (size=0, klass=0x80965b0) at java-gc.h:42
 #2  0x40212c4b in _Jv_AllocObjectNoFinalizer (klass=0x80965b0, size=0)
     at prims.cc:393
 #3  0x40212c95 in _Jv_AllocObject (klass=0x80965b0, size=0) at prims.cc:402
 #4  0x403e71ee in JvAllocObject (cls=0x80965b0) at cni.h:26
 #5  0x4024655e in _Jv_CallAnyMethodA(java::lang::Object*, java::lang::Class*, _Jv_Method*, bool, JArray<java::lang::Class*>*, jvalue*, jvalue*) (obj=0x0, 
     return_type=0x80965b0, meth=0x80e02d0, is_constructor=1 '\001', 
     parameter_types=0x807dfc8, args=0xbfffec7c, result=0xbfffec98)
     at java/lang/reflect/natMethod.cc:363
 #6  0x40246def in _Jv_CallAnyMethodA(java::lang::Object*, java::lang::Class*, _Jv_Method*, bool, JArray<java::lang::Class*>*, JArray<java::lang::Object*>*) (
     obj=0x0, return_type=0x80965b0, meth=0x80e02d0, is_constructor=1 '\001', 
     parameter_types=0x807dfc8, args=0x807dfd0)
     at java/lang/reflect/natMethod.cc:565
 #7  0x402449dd in java::lang::reflect::Constructor::newInstance(JArray<java::lang::Object*>*) (this=0x809edc8, args=0x807dfd0)
     at java/lang/reflect/natConstructor.cc:56
 #8  0x403d63bf in ffi_call_SYSV () at /tmp/ccxPhNcD.s:40
 #9  0x403d639e in ffi_raw_call (cif=0x80f4ee0, 
     fn=0x4024492e <java::lang::reflect::Constructor::newInstance(JArray<java::la---Type <return> to continue, or q <return> to quit---
 ng::Object*>*)>, rvalue=0xbfffee28, fake_avalue=0xbfffeef0)
     at src/x86/ffi.c:498
 #10 0x402286e3 in _Jv_InterpMethod::continue1(_Jv_InterpMethodInvocation*) (
     this=0x80ab7e0, inv=0xbfffeee4) at interpret.cc:739
 #11 0x403e7b51 in _Jv_InterpMethod::run(ffi_cif*, void*, ffi_raw*, _Jv_InterpMethodInvocation*) (this=0x80ab7e0, cif=0x80ab248, retp=0xbfffef60, 
     args=0xbfffef80, inv=0xbfffeee4) at interpret.cc:246
 #12 0x402283b0 in _Jv_InterpMethod::run_normal(ffi_cif*, void*, ffi_raw*, void*) (cif=0x80ab248, ret=0xbfffef60, args=0xbfffef80, __this=0x80ab7e0)
     at interpret.cc:370
 #13 0x403d61da in ffi_closure_raw_SYSV () at src/x86/ffi.c:386
 #14 0x403d63bf in ffi_call_SYSV () at /tmp/ccxPhNcD.s:40
 #15 0x403d639e in ffi_raw_call (cif=0x80f4f10, fn=0x80ab230, 
     rvalue=0xbffff088, fake_avalue=0xbffff150) at src/x86/ffi.c:498
 #16 0x402286e3 in _Jv_InterpMethod::continue1(_Jv_InterpMethodInvocation*) (
     this=0x80a5900, inv=0xbffff144) at interpret.cc:739
 #17 0x403e7b51 in _Jv_InterpMethod::run(ffi_cif*, void*, ffi_raw*, _Jv_InterpMethodInvocation*) (this=0x80a5900, cif=0x80ab520, retp=0xbffff1e0, 
     args=0xbffff200, inv=0xbffff144) at interpret.cc:246
 #18 0x402283b0 in _Jv_InterpMethod::run_normal(ffi_cif*, void*, ffi_raw*, void*) (cif=0x80ab520, ret=0xbffff1e0, args=0xbffff200, __this=0x80a5900)
     at interpret.cc:370
 #19 0x403d61da in ffi_closure_raw_SYSV () at src/x86/ffi.c:386
 ---Type <return> to continue, or q <return> to quit---
 #20 0x403d63bf in ffi_call_SYSV () at /tmp/ccxPhNcD.s:40
 #21 0x403d639e in ffi_raw_call (cif=0x80bf2e0, fn=0x80ab508, 
     rvalue=0xbffff308, fake_avalue=0xbffff3d0) at src/x86/ffi.c:498
 #22 0x402286e3 in _Jv_InterpMethod::continue1(_Jv_InterpMethodInvocation*) (
     this=0x80c4f50, inv=0xbffff3c4) at interpret.cc:739
 #23 0x403e7b51 in _Jv_InterpMethod::run(ffi_cif*, void*, ffi_raw*, _Jv_InterpMethodInvocation*) (this=0x80c4f50, cif=0x80ab910, retp=0xbffff430, 
     args=0xbffff450, inv=0xbffff3c4) at interpret.cc:246
 #24 0x402283b0 in _Jv_InterpMethod::run_normal(ffi_cif*, void*, ffi_raw*, void*) (cif=0x80ab910, ret=0xbffff430, args=0xbffff450, __this=0x80c4f50)
     at interpret.cc:370
 #25 0x403d61da in ffi_closure_raw_SYSV () at src/x86/ffi.c:386
 #26 0x40232fc7 in gnu::gcj::runtime::FirstThread::call_main() (this=0x80befc0)
     at gnu/gcj/runtime/natFirstThread.cc:46
 #27 0x402c2ac8 in gnu.gcj.runtime.FirstThread.run() (this=0x80befc0)
     at gnu/gcj/runtime/FirstThread.java:54
 #28 0x4024216f in _Jv_ThreadRun(java::lang::Thread*) (thread=0x80befc0)
     at java/lang/natThread.cc:285
 #29 0x4021415f in _Jv_RunMain(java::lang::Class*, char const*, int, char const**, bool) (klass=0x0, name=0xbffff9a8 "Test", argc=1, argv=0xbffff60c, 
     is_jar=false) at prims.cc:1027
 #30 0x08048e19 in main (argc=3, argv=0xbffff604) at gij.cc:139
 #31 0x40687627 in __libc_start_main (main=0x8048a94 <main>, argc=3, 
 ---Type <return> to continue, or q <return> to quit---
     ubp_av=0xbffff604, init=0x8048788 <_init>, fini=0x8048e50 <_fini>, 
     rtld_fini=0x4000dcc4 <_dl_fini>, stack_end=0xbffff5fc)
     at ../sysdeps/generic/libc-start.c:129
 (gdb) cont
 Continuing.
 Exception in thread "main" java.lang.NullPointerException
    at 0x40212164: Jv_ThrowSignal (/home/tstock/src2/gcc/i686-pc-linux-gnu/libjava/.libs/libgcj.so.2:0)
    at 0x402121b1
    at 0xbfffeaf4
    at 0x403e6f97: Z12_Jv_AllocObjiPN4java4lang5ClassE (/home/tstock/src2/gcc/i686-pc-linux-gnu/libjava/.libs/libgcj.so.2:0)
    at 0x40212c4b: Jv_AllocObjectNoFinalizer (/home/tstock/src2/gcc/i686-pc-linux-gnu/libjava/.libs/libgcj.so.2:0)
    at 0x40212c95: Jv_AllocObject (/home/tstock/src2/gcc/i686-pc-linux-gnu/libjava/.libs/libgcj.so.2:0)
    at 0x403e71ee: Z13JvAllocObjectPN4java4lang5ClassE (/home/tstock/src2/gcc/i686-pc-linux-gnu/libjava/.libs/libgcj.so.2:0)
    at 0x4024655e: Z18_Jv_CallAnyMethodAPN4java4lang6ObjectEPNS0_5ClassEP10_Jv_MethodbP6JArrayIS4_EP6jvalueSB_ (/home/tstock/src2/gcc/i686-pc-linux-gnu/libjava/.libs/libgcj.so.2:0)
    at 0x40246def: Z18_Jv_CallAnyMethodAPN4java4lang6ObjectEPNS0_5ClassEP10_Jv_MethodbP6JArrayIS4_EPS7_IS2_E (/home/tstock/src2/gcc/i686-pc-linux-gnu/libjava/.libs/libgcj.so.2:0)
    at 0x402449dd: ZN4java4lang7reflect11Constructor11newInstanceEP6JArrayIPNS0_6ObjectEE (/home/tstock/src2/gcc/i686-pc-linux-gnu/libjava/.libs/libgcj.so.2:0)
    at 0x403d63bf: ffi_call_SYSV (/home/tstock/src2/gcc/i686-pc-linux-gnu/libjava/.libs/libgcj.so.2:0)
    at 0x403d639e: ffi_raw_call (/home/tstock/src2/gcc/i686-pc-linux-gnu/libjava/.libs/libgcj.so.2:0)
    at 0x402286e3: ZN16_Jv_InterpMethod9continue1EP26_Jv_InterpMethodInvocation (/home/tstock/src2/gcc/i686-pc-linux-gnu/libjava/.libs/libgcj.so.2:0)
    at 0x403e7b51: ZN16_Jv_InterpMethod3runEP7ffi_cifPvP7ffi_rawP26_Jv_InterpMethodInvocation (/home/tstock/src2/gcc/i686-pc-linux-gnu/libjava/.libs/libgcj.so.2:0)
    at 0x402283b0: ZN16_Jv_InterpMethod10run_normalEP7ffi_cifPvP7ffi_rawS2_ (/home/tstock/src2/gcc/i686-pc-linux-gnu/libjava/.libs/libgcj.so.2:0)
    at 0x403d61da
    at 0x403d63bf: ffi_call_SYSV (/home/tstock/src2/gcc/i686-pc-linux-gnu/libjava/.libs/libgcj.so.2:0)
    at 0x403d639e: ffi_raw_call (/home/tstock/src2/gcc/i686-pc-linux-gnu/libjava/.libs/libgcj.so.2:0)
    at 0x402286e3: ZN16_Jv_InterpMethod9continue1EP26_Jv_InterpMethodInvocation (/home/tstock/src2/gcc/i686-pc-linux-gnu/libjava/.libs/libgcj.so.2:0)
    at 0x403e7b51: ZN16_Jv_InterpMethod3runEP7ffi_cifPvP7ffi_rawP26_Jv_InterpMethodInvocation (/home/tstock/src2/gcc/i686-pc-linux-gnu/libjava/.libs/libgcj.so.2:0)
    at 0x402283b0: ZN16_Jv_InterpMethod10run_normalEP7ffi_cifPvP7ffi_rawS2_ (/home/tstock/src2/gcc/i686-pc-linux-gnu/libjava/.libs/libgcj.so.2:0)
    at 0x403d61da
    at 0x403d63bf: ffi_call_SYSV (/home/tstock/src2/gcc/i686-pc-linux-gnu/libjava/.libs/libgcj.so.2:0)
    at 0x403d639e: ffi_raw_call (/home/tstock/src2/gcc/i686-pc-linux-gnu/libjava/.libs/libgcj.so.2:0)
    at 0x402286e3: ZN16_Jv_InterpMethod9continue1EP26_Jv_InterpMethodInvocation (/home/tstock/src2/gcc/i686-pc-linux-gnu/libjava/.libs/libgcj.so.2:0)
    at 0x403e7b51: ZN16_Jv_InterpMethod3runEP7ffi_cifPvP7ffi_rawP26_Jv_InterpMethodInvocation (/home/tstock/src2/gcc/i686-pc-linux-gnu/libjava/.libs/libgcj.so.2:0)
    at 0x402283b0: ZN16_Jv_InterpMethod10run_normalEP7ffi_cifPvP7ffi_rawS2_ (/home/tstock/src2/gcc/i686-pc-linux-gnu/libjava/.libs/libgcj.so.2:0)
    at 0x403d61da
    at 0x40232fc7: ZN3gnu3gcj7runtime11FirstThread9call_mainEv (/home/tstock/src2/gcc/i686-pc-linux-gnu/libjava/.libs/libgcj.so.2:0)
    at 0x402c2ac8: ZN3gnu3gcj7runtime11FirstThread3runEv (/home/tstock/src2/gcc/i686-pc-linux-gnu/libjava/.libs/libgcj.so.2:0)
    at 0x4024216f: Z13_Jv_ThreadRunPN4java4lang6ThreadE (/home/tstock/src2/gcc/i686-pc-linux-gnu/libjava/.libs/libgcj.so.2:0)
    at 0x4021415f: Z11_Jv_RunMainPN4java4lang5ClassEPKciPS4_b (/home/tstock/src2/gcc/i686-pc-linux-gnu/libjava/.libs/libgcj.so.2:0)
    at 0x08048e19: ?? (/usr/src/build/53700-i386/BUILD/glibc-2.2.4/csu/init.c:0)
    at 0x40687627: _libc_start_main (/lib/i686/libc.so.6:0)
    at 0x080488d1: Jv_RegisterClasses (java.class.path=.:/home/tstock/src2/gcc/i686-pc-linux-gnu/libjava:0)
 
 Program exited with code 01.
 (gdb) q
 $ 
 Script done on Sat Mar  2 10:24:10 2002
 
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 --------------060107080409010301080602--
 
 
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2002-02-25 21:26 libgcj/5782: prims.cc produces null pointer while allocating an uninitialized object toddastock
2002-03-02 10:36 Todd Stock

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