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[Bug 249673] New: libgcj : Conditional jump or move depends on uninitialised value(s)
  • From: bugzilla_noreply@xxxxxxxxxx
  • Date: Wed, 28 Feb 2007 02:25:02 -0700 (MST)
  • Message-id: <bug-249673-21960@xxxxxxxxxxxxxxxxxxxxxxxxx/>
https://bugzilla.novell.com/show_bug.cgi?id=249673

Summary: libgcj : Conditional jump or move depends on
uninitialised value(s)
Product: openSUSE 10.3
Version: Alpha 1
Platform: x86-64
OS/Version: SuSE Other
Status: NEW
Severity: Normal
Priority: P5 - None
Component: Java
AssignedTo: dbornkessel@xxxxxxxxxx
ReportedBy: dcb314@xxxxxxxxxxx
QAContact: qa@xxxxxxx


I just tried to build package antlr-bootstrap-2.7.6-41
with valgrind on Suse Linux 10.3 Alpha 1.

I used command line

valgrind -q --trace-children=yes rpmbuild -bc antlr-bootstrap.spec

The output contains

--8165-- DWARF2 CFI reader: unhandled CFI instruction 0:10
--8165-- DWARF2 CFI reader: unhandled CFI instruction 0:10
==8165== Conditional jump or move depends on uninitialised value(s)
==8165== at 0x6587C46: GC_push_all_eager (in /usr/lib64/libgcj.so.7.0.0)
==8165== by 0x6590845: GC_with_callee_saves_pushed (in
/usr/lib64/libgcj.so.7.0.0)
==8165== by 0x6589767: GC_push_roots (in /usr/lib64/libgcj.so.7.0.0)
==8165== by 0x65890A1: GC_mark_some (in /usr/lib64/libgcj.so.7.0.0)
==8165== by 0x65812A4: GC_stopped_mark (in /usr/lib64/libgcj.so.7.0.0)
==8165== by 0x65815AA: GC_try_to_collect_inner (in
/usr/lib64/libgcj.so.7.0.0)
==8165== by 0x658AB7B: GC_init_inner (in /usr/lib64/libgcj.so.7.0.0)
==8165== by 0x658AD2D: GC_init (in /usr/lib64/libgcj.so.7.0.0)
==8165== by 0x65854ED: GC_init_gcj_malloc (in /usr/lib64/libgcj.so.7.0.0)
==8165== by 0x608361E: _Jv_InitGC() (in /usr/lib64/libgcj.so.7.0.0)
==8165== by 0x60470A2: _Jv_CreateJavaVM(_Jv_VMInitArgs*) (in
/usr/lib64/libgcj.so.7.0.0)
==8165== by 0x60477FD: _Jv_RunMain(_Jv_VMInitArgs*, java::lang::Class*, char
const*, int, char const**, bool) (in /usr/lib64/libgcj.so.7.0.0)
==8165==

So it seems that there is a problem in routine GC_push_all_eager in libgcj.

Suggest code rework.


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