Vulnerability Development mailing list archives
Re: core dump
From: klmitch () MIT EDU (Kev)
Date: Thu, 13 Jul 2000 09:51:24 -0400
my question is that i am new into the topic of vulnerability development world and i really wonder why unix like OS dumps core files and what is the importance of it.
A core file is a debugging aid. Basically, it contains a snap-shot of the entire memory area of the process, along with the values of the CPU registers, at the time of a fatal error, such as a SEGV (memory access to a protected region) or a BUS (unaligned access or sometimes page fault) or ABRT or QUIT. (Note this is not an exhaustive list of signals...) One can use a debugging tool such as gdb to poke at the core file in an attempt to figure out what went wrong to cause the problem. -- Kevin L. Mitchell <klmitch () mit edu>
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