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Archivio: Settembre 2002 ml@sikurezza.org Soggetto: RE: strano bof nel traceroute... Mittente: Stefano Di Paola Data: 4 Sep 2002 22:18:32 -0000
Ciao a proposito del bof mi sa che e' proprio il bfbtester che da' i numeri infatti se fai: root ~/targzip/bfbtester-2.0.1/src/bfbt:> ./bfbtester -s /bin/ping => /bin/ping (setuid: 0) * Single argument testing *** Crash </bin/ping> *** args: -n [51200] envs: Signal: 11 ( Segmentation fault ) Core? Yes e poi vai a vedere il core: root ~/targzip/bfbtester-2.0.1/src/bfbt:> gdb /bin/ping core ............. Core was generated by `/bin/ping AAAAAAAAAAAAAAAA....'. Program terminated with signal 11, Segmentation fault. #0 0x40070015 in __overflow (f=0x40106d20, ch=-1) at genops.c:197 197 genops.c: No such file or directory. (gdb) bt #0 0x40070015 in __overflow (f=0x40106d20, ch=-1) at genops.c:197 #1 0x4006ef10 in _IO_new_file_xsputn (f=0x40106d20, data=0xbfff0960, n=8192) at fileops.c:803 #2 0x4006379c in _IO_helper_overflow (s=0xbfff08ac, c=65) at vfprintf.c:1704 #3 0x40070017 in __overflow (f=0xbfff08ac, ch=65) at genops.c:197 #4 0x400637bb in _IO_helper_overflow (s=0xbfff08ac, c=65) at vfprintf.c:1707 #5 0x40070017 in __overflow (f=0xbfff08ac, ch=65) at genops.c:197 #6 0x400637bb in _IO_helper_overflow (s=0xbfff08ac, c=65) at vfprintf.c:1707 #7 0x40070017 in __overflow (f=0xbfff08ac, ch=65) at genops.c:197 #8 0x400637bb in _IO_helper_overflow (s=0xbfff08ac, c=65) at vfprintf.c:1707 #9 0x40070017 in __overflow (f=0xbfff08ac, ch=65) at genops.c:197 #10 0x400637bb in _IO_helper_overflow (s=0xbfff08ac, c=65) at vfprintf.c:1707 ...................... e cosi' di seguito non so per quanto.... mi sa che c'e' come dicevi tu che c'e' un sovrannumero di threads. Stesso discorso con /bin/su... Altra cosa e' capire come succede. bye Stefano. ________________________________________________________ http://www.sikurezza.org - Italian Security Mailing List
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