Re: corrupted double-linked list - Mailing list pgsql-hackers

From Tom Lane
Subject Re: corrupted double-linked list
Date
Msg-id 3848.1252518468@sss.pgh.pa.us
Whole thread Raw
In response to corrupted double-linked list  (Maarten Foqué <maarten.foque@edchq.com>)
Responses Re: corrupted double-linked list
List pgsql-hackers
Maarten Foqué <maarten.foque@edchq.com> writes:
> The program crashes on PQclear(resu) with the following:
> *** glibc detected *** ./incident_relay: corrupted double-linked list:
> 0x09c459c8 ***

This looks like a memory-stomp type of bug.  There's no reason to assume
that PQclear is the cause; it's more likely the victim of a stomp that
occurred sometime earlier.  I'd suggest running the app under valgrind
or electric fence or some other memory-overrun-catcher.
        regards, tom lane


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