kern/120967: [udf] [panic] crash happens on mounting an UDF DVD

[Andrew Muhametshin]

The following reply was made to PR kern/120967; it has been noted by GNATS.

From: Andrew Muhametshin <andrew at dobrohot.org>
To: bug-followup at FreeBSD.org
Cc:  
Subject: Re: kern/120967: [udf] [panic] crash happens on mounting an UDF DVD
Date: Sun, 24 Feb 2008 03:08:15 +0300

 2008/2/23, Volker:
 > I'm wondering if you can additionally show output of
 >
 > dumpfs /dev/acd0
 > tunefs -p /dev/acd0
 
 $ dumpfs /dev/acd0
 dumpfs: /dev/acd0: could not read superblock to fill out disk
 
 $ tunefs -p /dev/acd0
 tunefs: /dev/acd0: could not read superblock to fill out disk
 
 
 I must note, that this issue happens only with some specific UDF DVD's, 
 otehrs seem work fine.  Burner software info string is empty.
 
 The next example may be useful:
 Filenames containing spaces and Cyrillic symbols and the Number sign 
 (U+2116)
 
 In FreeBSD:
 ----------------------
 $ mount_cd9660 -CKOI8-R /dev/acd0 /cdrom/
 $ cd /cdrom/data/photos/
 $ ls -la ./*56*
    ls: ./st. Kildinskaya,  building  56.xml: No such file or directory
    ls: ./st. Kildinskaya,  building  56_s.xml: No such file or directory
    -r-xr-xr-x  1 root  wheel  303872 18 ÏËÔ 19:40 ./ÕÌ. ðÅÒÏ×ÓËÏÊ_2564.xml
    -r-xr-xr-x  1 root  wheel   44364 18 ÏËÔ 12:06 ./ÕÌ. ðÅÒÏ×ÓËÏÊ_2564_s.xml
 
 $ umount /cdrom
 
 $ mount_udf -CKOI8-R /dev/acd0 /cdrom/
 $ cd /cdrom/data/photos/
 !!!CRASH!!!
 
 In Linux:
 ----------------------
 $ mount -t iso9660 -o iocharset=koi8-r /dev/hdc /mnt/cdrom/
 $ cd /mnt/cdrom/data/photos/
 $ ls -la ./*56*
    -r-xr-xr-x 1 root root  59239 ïËÔ 18 12:05 st. Kildinskaya,  building 
 ? 56.xml
    -r-xr-xr-x 1 root root 720820 ïËÔ 14 16:48 st. Kildinskaya,  building 
 ? 56_s.xml
    -r-xr-xr-x 1 root root  44364 ïËÔ 18 12:06 ÕÌ. ðÅÒÏ×ÓËÏÊ_2564_s.xml
    -r-xr-xr-x 1 root root 303872 ïËÔ 18 19:40 ÕÌ. ðÅÒÏ×ÓËÏÊ_2564.xml
 $ umount /cdrom
 $ mount -t udf -o iocharset=koi8-r /dev/hdc /mnt/cdrom/
 $ cd /mnt/cdrom/data/photos/
 $ ls -la ./*56*
    -r-xr-xr-x 1 root root  44364 ïËÔ 18 12:06 ÕÌ. ðÅÒÏ×ÓËÏÊ_2564_s.xml
    -r-xr-xr-x 1 root root 303872 ïËÔ 18 19:40 ÕÌ. ðÅÒÏ×ÓËÏÊ_2564.xml
 
 In Windows
 ----------------------
 D:\data\photos>dir *56*.xml
 <...>
    14.10.2007  15:48           720 820 st. Kildinskaya,  building N 56.xml
    18.10.2007  11:05            59 239 st. Kildinskaya,  building  N 
 56_s.xml
    18.10.2007  18:40           303 872 ÕÌ. ðÅÒÏ×ÓËÏÊ_2564.xml
    18.10.2007  11:06            44 364 ÕÌ. ðÅÒÏ×ÓËÏÊ_2564_s.xmll
 <...>
 !!! *N* = Number sign (U+2116) !!!