Re: libnetsnmp SEGV on free_enums

On 06/02/2008, Frank Fegert <[email protected]> wrote:
> i'm using a multi-threaded application (spine, http://cacti.net/spine_info.php)
> on Solaris 10 which uses libnetsnmp. Pretty often the application hangs,
> which i traced back to a SEGV occuring in free_enums(). See below for the
> gdb backtrace. I already updated net-snmp from 5.3.1 to 5.4.1, but the
> problem still persists. Can someone tell my why the free(pp->label) line
> fails? It seems like a valid call to me.

That should be OK, yes.
All I can think of is that something is trying to release the same MIB
modules (or the same enumeration definitions) more than once.
It might be worth investigating exactly which MIB modules are being
released, and (in particular), which enumeration is triggering this problem.


Is the snmp subsystem shutdown and re-initialised repeatedly,
or does this only happen once (when you close down Cacti completely)?


Dave

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