[bug #25458] cvs: Program terminated with signal 11, Segmentation fault.

[nomad]

URL:
  <http://savannah.nongnu.org/bugs/?25458>

                 Summary: cvs: Program terminated with signal 11,
Segmentation fault.
                 Project: Concurrent Versions System
            Submitted by: nomad
            Submitted on: Sun 01 Feb 2009 01:56:51 PM GMT
                Category: Bug Report
                Severity: 3 - Normal
              Item Group: None
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
                 Release: 
         Discussion Lock: Any
           Fixed Release: None
   Fixed Feature Release: None

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Details:

cvs log/rlog(most probably others cause problems also) failing with: Program
terminated with signal 11, Segmentation fault.

Cause: some how files (under Attic in my case) has the following format:

more /path/to/file/Attic/File.java
--------------------------------
head    1.2;
access;
symbols
locks; strict;
comment @# @;


1.2
date    2004.08.11.16.35.08;    author nomad; state dead;
branches;
next    1.1;
--------------------------------

The problem is "symbols" keyword. At some point in time this file was
deleted, "symbols" keyword present, but no actual "symbols" specified.

[QUESTION1] How does this used to happen I don't know.

Tested workaround (manually) is to replace "symbols" with "symbols;" or to
add actual symbols.

[QUESTION2] Reasonable error code could be returned by cvs.

cvs version:
cvs -v
Concurrent Versions System (CVS) 1.11.17 (client/server)

Copyright (c) 1989-2004 Brian Berliner, david d `zoo' zuhn,
                        Jeff Polk, and other authors

CVS may be copied only under the terms of the GNU General Public License,
a copy of which can be found with the CVS distribution kit.

Specify the --help option for further information about CVS

GDB stack trace of core:
(gdb) bt
#0  0x0807db0c in do_symbols ()
#1  0x0807f66a in RCS_symbols ()
#2  0x08070dd4 in log_fileproc ()
#3  0x0808908b in do_file_proc ()
#4  0x08067f4f in walklist ()
#5  0x08088e29 in do_recursion ()
#6  0x08089a78 in unroll_files_proc ()
#7  0x08067f4f in walklist ()
#8  0x08088851 in start_recursion ()
#9  0x08070487 in rlog_proc ()
#10 0x08077531 in my_module ()
#11 0x08078202 in do_module ()
#12 0x0806ffff in cvslog ()
#13 0x08075e54 in main ()




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