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BUG #2502: PQclear: "invalid next size"

From: "J(dot) R(dot) Fisher" <psql(at)jeffryfisher(dot)net>
To: pgsql-bugs(at)postgresql(dot)org
Subject: BUG #2502: PQclear: "invalid next size"
Date: 2006-06-28 17:41:02
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-bugs
The following bug has been logged online:

Bug reference:      2502
Logged by:          J. R. Fisher
Email address:      psql(at)jeffryfisher(dot)net
PostgreSQL version: 8.1
Operating system:   Linux
Description:        PQclear: "invalid next size"

One patch of C++, two programs using it. One program runs without a hitch,
the other always explodes. In the debugger, this is what's executing:

result = PQexec (conn->handle, cmd);// char* cmd= "BEGIN"
if (PQresultStatus (result) != PGRES_COMMAND_OK) {
    ... // skipped because result *is* OK
if (!savingCursor) {
    PQclear (result);    // blows up here, but only in one program, not the

*** glibc detected *** free(): invalid next size (normal): 0x08068ab0


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Next:From: Russell FrancisDate: 2006-06-28 18:51:45
Subject: BUG #2503: Query results differ based on record count of unrelated table.
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