GETBULK causing Table Iterator to crash

Hi List,

I just finished implementing a MIB by extending the agent using the table
iterator handlers. GET, SET, GETNEXT work great, no memory leaks, etc. The
problem is that SNMP requests with multiple variable bindings causes the
table iterator to crash.

More specifically, the netsnmp_table_iterator_helper_handler() function in
table_iterator.c attempts to free the same chunk of memory twice during the
innermost loop (the for(request = requests) ...) when the SNMP request
carries more than one variable binding. This is down in the MODE_GETNEXT
case of the switch().

Is this a known issue? Is there a workaround? I checked the bug database
and there did not seem to be any entries concerning table iterators and
GETBULK requests. I also didn't find anything in the coder's mailing list
archive.

This is on NET-Snmp 5.1.1. I also tried code on 5.2.1.2 and it also failed
in the exact same manner, all on Windows XP Professional.

Thanks in advance.
-justin.



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