software is full of bugs and limitations ...

gistfile1.txt

/usr/local/bin/siege -c 2000 http://a.b.c.d:9000/
** SIEGE 3.0.8
** Preparing 2000 concurrent users for battle.
The server is now under siege...*** buffer overflow detected ***: /usr/local/bin/siege terminated
======= Backtrace: =========
/lib/x86_64-linux-gnu/libc.so.6(__fortify_fail+0x37)[0x7f059b2cbe67]
/lib/x86_64-linux-gnu/libc.so.6(+0x109d60)[0x7f059b2cad60]
/lib/x86_64-linux-gnu/libc.so.6(+0x10ae1e)[0x7f059b2cbe1e]
/usr/local/bin/siege[0x410e20]
/usr/local/bin/siege[0x405ad4]
/usr/local/bin/siege[0x405d36]
/usr/local/bin/siege[0x406da4]
/usr/local/bin/siege[0x408176]
/lib/x86_64-linux-gnu/libpthread.so.0(+0x7e9a)[0x7f059bbc0e9a]
/lib/x86_64-linux-gnu/libc.so.6(clone+0x6d)[0x7f059b2b531d]
======= Memory map: ========
00400000-0041d000 r-xp 00000000 fc:01 418530                             /usr/local/bin/siege
0061c000-0061d000 r--p 0001c000 fc:01 418530                             /usr/local/bin/siege
0061d000-0061e000 rw-p 0001d000 fc:01 418530                             /usr/local/bin/siege
0061e000-00621000 rw-p 00000000 00:00 0 
01a75000-01b3e000 rw-p 00000000 00:00 0                                  [heap]