[Bug 256020] [NEW] dvd+rw-format segfaults on startup

[Matteo Croce]

Public bug reported:

This happens when running dvd+rw-format:

[~]$ dvd+rw-format
*** buffer overflow detected ***: dvd+rw-format terminated
======= Backtrace: =========                              
/lib/libc.so.6(__fortify_fail+0x37)[0x38fa8ff7d7]         
/lib/libc.so.6[0x38fa8fd6a0]                              
/lib/libc.so.6[0x38fa8fe073]                              
dvd+rw-format[0x4015ce]                                   
dvd+rw-format[0x403125]                                   
/lib/libc.so.6(__libc_start_main+0xe6)[0x38fa81e466]      
dvd+rw-format[0x4011b9]                                   
======= Memory map: ========                              
00400000-0040b000 r-xp 00000000 08:04 7283701                            /usr/bin/dvd+rw-format
0060a000-0060b000 r--p 0000a000 08:04 7283701                            /usr/bin/dvd+rw-format
0060b000-0060c000 rw-p 0000b000 08:04 7283701                            /usr/bin/dvd+rw-format
0060c000-0062d000 rw-p 0060c000 00:00 0                                  [heap]                
38f9600000-38f961f000 r-xp 00000000 08:04 1523873                        /lib/ld-2.8.90.so     
38f981e000-38f981f000 r--p 0001e000 08:04 1523873                        /lib/ld-2.8.90.so     
38f981f000-38f9820000 rw-p 0001f000 08:04 1523873                        /lib/ld-2.8.90.so     
38fa800000-38fa969000 r-xp 00000000 08:04 1523874                        /lib/libc-2.8.90.so   
38fa969000-38fab68000 ---p 00169000 08:04 1523874                        /lib/libc-2.8.90.so   
38fab68000-38fab6c000 r--p 00168000 08:04 1523874                        /lib/libc-2.8.90.so   
38fab6c000-38fab6d000 rw-p 0016c000 08:04 1523874                        /lib/libc-2.8.90.so   
38fab6d000-38fab72000 rw-p 38fab6d000 00:00 0                                                  
38fb000000-38fb084000 r-xp 00000000 08:04 1523880                        /lib/libm-2.8.90.so   
38fb084000-38fb283000 ---p 00084000 08:04 1523880                        /lib/libm-2.8.90.so   
38fb283000-38fb284000 r--p 00083000 08:04 1523880                        /lib/libm-2.8.90.so   
38fb284000-38fb285000 rw-p 00084000 08:04 1523880                        /lib/libm-2.8.90.so   
38fb400000-38fb417000 r-xp 00000000 08:04 1523878                        /lib/libpthread-2.8.90.so
38fb417000-38fb616000 ---p 00017000 08:04 1523878                        /lib/libpthread-2.8.90.so
38fb616000-38fb617000 r--p 00016000 08:04 1523878                        /lib/libpthread-2.8.90.so
38fb617000-38fb618000 rw-p 00017000 08:04 1523878                        /lib/libpthread-2.8.90.so
38fb618000-38fb61c000 rw-p 38fb618000 00:00 0                                                     
7fa4d2039000-7fa4d2078000 r--p 00000000 08:04 7439030                    /usr/lib/locale/it_IT.utf8/LC_CTYPE
7fa4d2078000-7fa4d207a000 rw-p 7fa4d2078000 00:00 0                                                         
7fa4d207a000-7fa4d2090000 r-xp 00000000 08:04 1523832                    /lib/libgcc_s.so.1                 
7fa4d2090000-7fa4d228f000 ---p 00016000 08:04 1523832                    /lib/libgcc_s.so.1                 
7fa4d228f000-7fa4d2290000 r--p 00015000 08:04 1523832                    /lib/libgcc_s.so.1                 
7fa4d2290000-7fa4d2291000 rw-p 00016000 08:04 1523832                    /lib/libgcc_s.so.1                 
7fa4d2291000-7fa4d2292000 rw-p 7fa4d2291000 00:00 0                                                         
7fa4d2292000-7fa4d2383000 r-xp 00000000 08:04 7291162                    /usr/lib/libstdc++.so.6.0.10       
7fa4d2383000-7fa4d2583000 ---p 000f1000 08:04 7291162                    /usr/lib/libstdc++.so.6.0.10       
7fa4d2583000-7fa4d258a000 r--p 000f1000 08:04 7291162                    /usr/lib/libstdc++.so.6.0.10       
7fa4d258a000-7fa4d258c000 rw-p 000f8000 08:04 7291162                    /usr/lib/libstdc++.so.6.0.10       
7fa4d258c000-7fa4d259f000 rw-p 7fa4d258c000 00:00 0                                                         
7fa4d25b6000-7fa4d25bd000 r--s 00000000 08:04 7421986                    /usr/lib/gconv/gconv-modules.cache 
7fa4d25bd000-7fa4d25be000 rw-s 00000000 08:04 7913659                    /tmp/dvd+rw-format.fNgfo5 (deleted)
7fa4d25be000-7fa4d25c1000 rw-p 7fa4d25be000 00:00 0                                                         
7fffda5ab000-7fffda5c0000 rw-p 7ffffffea000 00:00 0                      [stack]
7fffda5fe000-7fffda5ff000 r-xp 7fffda5fe000 00:00 0                      [vdso]
ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0                  [vsyscall]

dunno how to debug, it segfaults even with just --help

** Affects: dvd+rw-tools (Ubuntu)
     Importance: Undecided
         Status: New

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dvd+rw-format segfaults on startup
https://bugs.launchpad.net/bugs/256020
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