full-disclosure - Can executable file(can't read) still be coredumped in solaris ?

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Date: Thu Aug 25 11:14:48 2005
From: alert7 at xfocus.org (alert7)
Subject: Can executable file(can't read) still be
	coredumped in solaris ?

hi ,dear friends:

I have tested succeed on solaris 8
Executable file(can't read) can be coredumped . 
Bug I don't know whether it is still exist or not.


[alert7@...aris8 solaris]$ uname -a
SunOS Solaris8 5.8 Generic_108528-29 sun4u sparc SUNW,Ultra-5_10

COREDUMP enable
example

[alert7@...aris8 alert7]$ ls -la test
--wx--x--x   1 root     pubcvs      6344 Aug 16 11:27 test
[alert7@...aris8 alert7]$ id
uid=108(alert7) gid=102(pubcvs)

[alert7@...aris8 alert7]$ ps -ef|grep test
  alert7   440   380  0 13:59:02 pts/2    0:00 ./test ff
[alert7@...aris8 alert7]$ kill -4 440
[alert7@...aris8 alert7]$ ./test ff
Illegal Instruction (core dumped)

[alert7@...aris8 alert7]$ ls -la core
-rw-------   1 alert7   pubcvs     72192 Aug 17 13:59 core
[alert7@...aris8 alert7]$ gdb -q -c core
Core was generated by `./test ff'.
Program terminated with signal 4, Illegal instruction.
#0  0xff31b788 in ?? ()

SIGQUIT
SIGILL
SIGTRAP
SIGIOT
SIGEMT
SIGFPE
SIGBUS
SIGSEGV
SIGSYS
SIGXCPU
SIGXFSZ

these above signal also can cause process coredump if process not set signal handler



-- 
Best Regards
alert7@...cus.org 

Xfocus TEAM
http://www.xfocus.org