Bug#302717: mkisofs: hangs on linking previous session

[Mikael Bouillot]

Package: mkisofs
Version: 4:2.01+01a01-2
Severity: important
Tags: patch


  I sent a bug report to Joerg Schilling but it bounced, so I'm sending
this again to debian:

----- Forwarded message -----

  Hi,

  I'm using mkisofs through growisofs for automatic backup on DVD+RW. I
recently witnessed mkisofs hang during the merging of a previous session
and I tracked it down to that:

  In check_rr_dates() (multi.c), I had a record with a "CE" attribute,
which made the parser read an extension record, but that record did not
have itself a "CE" attribute so the loop kept reading and parsing that
extension record over and over.

  I don't know anything about Rock Ridge, but it is obvious that the
extension record should be parsed only once, so I simply set cont_extent
to zero after reading the extension record.


  I hope that helps.

----- End forwarded message -----

  I got this problem while using growisofs (dvd+rw-tools) with:

  growisofs -M /dev/dvd -R -J -input-charset utf-8 -joliet-long -root pipo2 
-old-root pipo1

  and it happened on a file with a very long name indeed (113 8 bit
chars).

-- System Information:
Debian Release: 3.1
  APT prefers unstable
  APT policy: (500, 'unstable')
Architecture: i386 (i686)
Kernel: Linux 2.6.8.1-alia-2
Locale: LANG=C, LC_CTYPE=fr_FR (charmap=ISO-8859-1)

Versions of packages mkisofs depends on:
ii  libc6                       2.3.2.ds1-20 GNU C Library: Shared libraries an
ii  zlib1g                      1:1.2.2-4    compression library - runtime

-- no debconf information

diff -ru cdrtools-2.01+01a01/mkisofs/multi.c 
cdrtools-2.01+01a01+mikael/mkisofs/multi.c
--- cdrtools-2.01+01a01/mkisofs/multi.c 2004-05-15 16:59:40.000000000 +0000
+++ cdrtools-2.01+01a01+mikael/mkisofs/multi.c  2005-03-31 23:07:13.475748710 
+0000
@@ -605,6 +605,7 @@
                         */
                        pnt = &sector[cont_offset];
                        len = cont_size;
+                       cont_extent = 0;
                }
        }