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Re: BUG #2246: Bad malloc interactions: ecpg, openssl

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Andrew Klosterman <andrew5(at)ece(dot)cmu(dot)edu>
Cc: Stephen Frost <sfrost(at)snowman(dot)net>, pgsql-bugs(at)postgresql(dot)org
Subject: Re: BUG #2246: Bad malloc interactions: ecpg, openssl
Date: 2006-02-15 17:07:47
Message-ID: 2018.1140023267@sss.pgh.pa.us (view raw or flat)
Thread:
Lists: pgsql-bugspgsql-patches
Andrew Klosterman <andrew5(at)ece(dot)cmu(dot)edu> writes:
> With the debug binaries, I was able to step through the program and get to
> what appears to be the function where it bails:  line 1166 of
> postgresql-8.1.0/src/interfaces/libpq/fe-secure.c where SSL_free() is
> called.

BTW, is the address that glibc says is corrupted consistent from run to
run?  If so, you could narrow down the problem pretty quickly by setting
a hardware watchpoint on that address with gdb.  Any hits that are not
from the malloc subroutines are probably the source of the problem.

			regards, tom lane

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