Hi,
I run snmpd on uClinux. Sometimes it crashes. I have found a place, where this
problem has occured.
In snmp_set_var_value function (snmp_client.c)
..........................
/*
* xxx-rks: why the unconditional free? why not use existing
* memory, if len < vars->val_len ?
*/
if (vars->val.string && vars->val.string != vars->buf) {
free(vars->val.string);
}
Sometimes snmpd tries to free allocated memory here, which was not allocated.
It is not clear for me why it happened and why this condition (vars->val.string
&& vars->val.string != vars->buf)
is true.
thank you,
Andrey
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