Re: [nmap-svn] r29203 - nmap-exp/aca/nmap/scripts

[Patrick Donnelly <batrick () batbytes com>]

On Sat, Jul 14, 2012 at 8:46 AM, Aleksandar Nikolic
<nikolic.alek () gmail com> wrote:
> Here's the output at the end of the script run
>
> NSE Timing: About 1.96% done; ETC: 17:33 (2:55:32 remaining)
> NSE: MAIN THREAD:  (attack against <target>): HTTP stream started.
> NSE: MONITOR: <target> still up, answer received.
> NSE: MONITOR: <target> still up, answer received.
> NSE: MONITOR: <target> still up, answer received.
> NSE Timing: About 1.96% done; ETC: 17:58 (3:20:36 remaining)
> NSE: MONITOR: <target> still up, answer received.
> NSE: MONITOR: <target> still up, answer received.
> NSE: MONITOR: <target> still up, answer received.
> NSE Timing: About 1.96% done; ETC: 18:24 (3:45:41 remaining)
> NSE: MONITOR: <target> still up, answer received.
> NSE: MONITOR: <target> still up, answer received.
> NSE Timing: About 1.96% done; ETC: 18:50 (4:10:45 remaining)
> NSE: MONITOR: <target> still up, answer received.
> NSE: Finished http-slowloris against <target>:80.
> NSE: Finished http-slowloris against <target>:80.
> NSE: Script Engine Scan Aborted.
> An error was thrown by the engine:
> d:\workspace\nmap-exp\aca\nmap\mswin32\Debug/nse_main.lua:332: attempt
> to index field '?' (a nil value)
> stack traceback:
>         d:\workspace\nmap-exp\aca\nmap\mswin32\Debug/nse_main.lua:332:
> in function 'close'
>         d:\workspace\nmap-exp\aca\nmap\mswin32\Debug/nse_main.lua:932:
> in function 'run'
>         d:\workspace\nmap-exp\aca\nmap\mswin32\Debug/nse_main.lua:1242:
> in function <d:\workspace\nmap-exp\aca\nmap\mswin32\Debug/nse_main.lua:1149>
>         [C]: in ?

This error has been found by Piotr before. We were testing some
solutions. Since the bug has bitten you as well, can you confirm
whether this patch fixes the problem for you.

$ svn diff
Index: nse_main.lua
===================================================================
--- nse_main.lua        (revision 29185)
+++ nse_main.lua        (working copy)
@@ -821,6 +821,8 @@
     };
     setmetatable(thread, thread_mt);
     total, all[co], pending[co] = total+1, thread, thread;
+    num_threads = num_threads + 1;
+    thread:start(timeouts);
     local function info ()
       return status(co), rawget(thread, "error");
     end


-- 
- Patrick Donnelly
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