Re: Snort3: bug with "-z" when it only in config

Hi,

Really good find. Thanks for reporting this.

We will investigate and fix the problem.

Tom


From: Snort-devel <[email protected]<mailto:[email protected]>> on behalf of Meridoff via Snort-devel <[email protected]<mailto:[email protected]>>
Reply-To: Meridoff <[email protected]<mailto:[email protected]>>
Date: Tuesday, November 20, 2018 at 11:03 AM
To: "[email protected]<mailto:[email protected]>" <[email protected]<mailto:[email protected]>>
Subject: [Snort-devel] Snort3: bug with "-z" when it only in config

Hello, when option -z (total instances) is given only in config (snort["-z"]=true),
then it equals to 1 (default ?) for some of inspectors/plugins/modules, because they inited between parse_cmd_line and parse_config (where -z lies).

Due to this bug/feature for many instances we have access to uninted array  p->pp_class.init[slot] in function InspectorManager::thread_init (), when slot > 1 but this array for some inspectors (appid ,telnet ,etc) has length 1 (see PHClass costructor).

So we must duplicate "-z" in command line or do not use snort["-z"]=true at all.

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