My sendmail logs looked like this:
Apr 27 04:25:50 nameserver2 clamav-milter[4431]: ClamAv: private data not NULL
Apr 27 04:25:50 nameserver2 clamav-milter[4417]: ClamAv: private data not NULL
Apr 27 04:25:52 nameserver2 clamav-milter[4427]: ClamAv: private data not NULL
Apr 27 04:25:52 nameserver2 clamav-milter[4429]: ClamAv: private data not NULL
Apr 27 04:25:52 nameserver2 sendmail[4484]: i3R8PMaZ004484: Milter (clamav-milter): timeout before data read
Apr 27 04:25:52 nameserver2 sendmail[4484]: i3R8PMaZ004484: Milter (clamav-milter): to error state
The ClamAv private data not null error comes from libmilter/handler.c. It is printed when the libmilter state engine returns and the private data != null check is performed then, before the libmilter spawned thread terminates.
Supposedly, in the state engine libmilter/engine.c mi_engine() we have this
}
if (sendreply(r, sd, &timeout, ctx) != MI_SUCCESS)
{
ret = MI_FAILURE;
break;
}call_abort = ST_IN_MAIL(curstate);
And since in clamav-milter.c we have this:
static sfsistat clamfi_close(SMFICTX *ctx) { #ifdef CL_DEBUG struct privdata *privdata = (struct privdata *)smfi_getpriv(ctx);
cli_dbgmsg("clamfi_close\n");
if(privdata != NULL) {
if(use_syslog)
syslog(LOG_DEBUG, "clamfi_close, privdata != NULL");
else
cli_warnmsg("clamfi_close, privdata != NULL");
}
#endif if(logVerbose)
syslog(LOG_DEBUG, "clamfi_close");return SMFIS_CONTINUE; }
That might explain that libmilter would not call clmfi_abort after a timeout sending the repy to sendmail and instead would only call clamfi_close (after mi_engine breaks out of the state loop)
Perhaps the CL_DEBUG should be removed and clamfi_free called on privdata != null?
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