hI i have simulated a script tcp for wireless network but i have this result :
num_nodes is set 2
INITIALIZE THE LIST xListHead
Starting Simulation...
channel.cc:sendUp - Calc highestAntennaZ_ and distCST_
highestAntennaZ_ = 1.5, distCST_ = 550.0
SORTING LISTS ...DONE!
*** buffer overflow detected ***: ns terminated
======= Backtrace: =========
/lib/i386-linux-gnu/libc.so.6(__fortify_fail+0x45)[0x4438d5]
/lib/i386-linux-gnu/libc.so.6(+0xe66d7)[0x4426d7]
/lib/i386-linux-gnu/libc.so.6(+0xe5a0d)[0x441a0d]
ns(_ZN8CMUTrace10nam_formatEP6Packeti+0x97)[0x81fb527]
ns(_ZN8CMUTrace6formatEP6PacketPKc+0x66)[0x81fbdf6]
ns(_ZN8CMUTrace4recvEP6PacketP7Handler+0x44)[0x81fc124]
ns(_ZN9DCCPAgent6outputEb+0x240)[0x81893c0]
ns(_ZN5Agent7commandEiPKPKc+0x3c9)[0x81471c9]
ns(_ZN8TclClass12dispatch_cmdEPvP10Tcl_InterpiPPKc+0x32)[0x82da146]
/usr/lib/libotcl.so.1(+0x2221)[0xb19221]
/usr/lib/libtcl8.5.so.0(TclInvokeStringCommand+0x77)[0x25efb7]
/usr/lib/libtcl8.5.so.0(+0x1e95e)[0x26095e]
/usr/lib/libtcl8.5.so.0(+0x675d8)[0x2a95d8]
/usr/lib/libtcl8.5.so.0(+0x64863)[0x2a6863]
/usr/lib/libtcl8.5.so.0(+0x69263)[0x2ab263]
/usr/lib/libtcl8.5.so.0(TclObjInterpProcCore+0x131)[0x2f24a1]
/usr/lib/libtcl8.5.so.0(TclObjInterpProc+0x69)[0x2f2359]
/usr/lib/libtcl8.5.so.0(TclInvokeObjectCommand+0xe3)[0x25f0c3]
/usr/lib/libotcl.so.1(+0x23a1)[0xb193a1]
/usr/lib/libtcl8.5.so.0(TclInvokeStringCommand+0x77)[0x25efb7]
/usr/lib/libtcl8.5.so.0(+0x1e95e)[0x26095e]
/usr/lib/libtcl8.5.so.0(+0x675d8)[0x2a95d8]
/usr/lib/libtcl8.5.so.0(TclObjInterpProcCore+0x131)[0x2f24a1]
/usr/lib/libtcl8.5.so.0(TclObjInterpProc+0x69)[0x2f2359]
/usr/lib/libtcl8.5.so.0(TclInvokeObjectCommand+0xe3)[0x25f0c3]
/usr/lib/libotcl.so.1(+0x2221)[0xb19221]
/usr/lib/libtcl8.5.so.0(TclInvokeStringCommand+0x77)[0x25efb7]
/usr/lib/libtcl8.5.so.0(+0x1e95e)[0x26095e]
/usr/lib/libtcl8.5.so.0(+0x1f7d4)[0x2617d4]
/usr/lib/libtcl8.5.so.0(Tcl_EvalEx+0x3b)[0x26116b]
/usr/lib/libtcl8.5.so.0(Tcl_Eval+0x3e)[0x26228e]
/usr/lib/libtcl8.5.so.0(Tcl_GlobalEval+0x37)[0x2633e7]
ns(_ZN3Tcl4evalEPc+0x1b)[0x82d9753]
ns(_ZN9AtHandler6handleEP5Event+0x1b)[0x813307b]
ns(_ZN9Scheduler3runEv+0x3f)[0x813348f]
ns(_ZN9Scheduler7commandEiPKPKc+0x3e4)[0x8133954]
ns(_ZN8TclClass12dispatch_cmdEPvP10Tcl_InterpiPPKc+0x32)[0x82da146]
/usr/lib/libotcl.so.1(+0x2221)[0xb19221]
/usr/lib/libtcl8.5.so.0(TclInvokeStringCommand+0x77)[0x25efb7]
/usr/lib/libtcl8.5.so.0(+0x1e95e)[0x26095e]
/usr/lib/libtcl8.5.so.0(+0x675d8)[0x2a95d8]
/usr/lib/libtcl8.5.so.0(+0x64863)[0x2a6863]
/usr/lib/libtcl8.5.so.0(+0x69263)[0x2ab263]
/usr/lib/libtcl8.5.so.0(TclObjInterpProcCore+0x131)[0x2f24a1]
/usr/lib/libtcl8.5.so.0(TclObjInterpProc+0x69)[0x2f2359]
/usr/lib/libtcl8.5.so.0(TclInvokeObjectCommand+0xe3)[0x25f0c3]
/usr/lib/libotcl.so.1(+0x23a1)[0xb193a1]
/usr/lib/libtcl8.5.so.0(TclInvokeStringCommand+0x77)[0x25efb7]
/usr/lib/libtcl8.5.so.0(+0x1e95e)[0x26095e]
/usr/lib/libtcl8.5.so.0(+0x675d8)[0x2a95d8]
/usr/lib/libtcl8.5.so.0(TclObjInterpProcCore+0x131)[0x2f24a1]
/usr/lib/libtcl8.5.so.0(TclObjInterpProc+0x69)[0x2f2359]
/usr/lib/libtcl8.5.so.0(TclInvokeObjectCommand+0xe3)[0x25f0c3]
/usr/lib/libotcl.so.1(+0x2221)[0xb19221]
/usr/lib/libtcl8.5.so.0(TclInvokeStringCommand+0x77)[0x25efb7]
/usr/lib/libtcl8.5.so.0(+0x1e95e)[0x26095e]
/usr/lib/libtcl8.5.so.0(+0x1f7d4)[0x2617d4]
/usr/lib/libtcl8.5.so.0(Tcl_EvalEx+0x3b)[0x26116b]
/usr/lib/libtcl8.5.so.0(Tcl_FSEvalFileEx+0x29c)[0x2d0f9c]
/usr/lib/libtcl8.5.so.0(Tcl_Main+0x426)[0x2d86c6]
ns(nslibmain+0x1f)[0x82d94df]
ns(main+0x1b)[0x812ab6b]
/lib/i386-linux-gnu/libc.so.6(__libc_start_main+0xf3)[0x375113]
======= Memory map: ========
00110000-00127000 r-xp 00000000 08:01 135022 /lib/i386-linux-gnu/libpthread-2.13.so
00127000-00128000 r--p 00016000 08:01 135022 /lib/i386-linux-gnu/libpthread-2.13.so
00128000-00129000 rw-p 00017000 08:01 135022 /lib/i386-linux-gnu/libpthread-2.13.so
00129000-0012b000 rw-p 00000000 00:00 0
0012b000-00135000 r-xp 00000000 08:01 135007 /lib/i386-linux-gnu/libnss_nis-2.13.so
00135000-00136000 r--p 00009000 08:01 135007 /lib/i386-linux-gnu/libnss_nis-2.13.so
00136000-00137000 rw-p 0000a000 08:01 135007 /lib/i386-linux-gnu/libnss_nis-2.13.so
001be000-001bf000 r-xp 00000000 00:00 0 [vdso]
001cc000-001e8000 r-xp 00000000 08:01 134983 /lib/i386-linux-gnu/libgcc_s.so.1
001e8000-001e9000 r--p 0001b000 08:01 134983 /lib/i386-linux-gnu/libgcc_s.so.1
001e9000-001ea000 rw-p 0001c000 08:01 134983 /lib/i386-linux-gnu/libgcc_s.so.1
00242000-00355000 r-xp 00000000 08:01 44897 /usr/lib/libtcl8.5.so.0
00355000-00357000 r--p 00113000 08:01 44897 /usr/lib/libtcl8.5.so.0
00357000-0035b000 rw-p 00115000 08:01 44897 /usr/lib/libtcl8.5.so.0
0035b000-0035c000 rw-p 00000000 00:00 0
0035c000-004d2000 r-xp 00000000 08:01 134962 /lib/i386-linux-gnu/libc-2.13.so
004d2000-004d4000 r--p 00176000 08:01 134962 /lib/i386-linux-gnu/libc-2.13.so
004d4000-004d5000 rw-p 00178000 08:01 134962 /lib/i386-linux-gnu/libc-2.13.so
004d5000-004d8000 rw-p 00000000 00:00 0
004ff000-00527000 r-xp 00000000 08:01 134992 /lib/i386-linux-gnu/libm-2.13.so
00527000-00528000 r--p 00028000 08:01 134992 /lib/i386-linux-gnu/libm-2.13.so
00528000-00529000 rw-p 00029000 08:01 134992 /lib/i386-linux-gnu/libm-2.13.so
0057d000-00592000 r-xp 00000000 08:01 134997 /lib/i386-linux-gnu/libnsl-2.13.so
00592000-00593000 r--p 00015000 08:01 134997 /lib/i386-linux-gnu/libnsl-2.13.so
00593000-00594000 rw-p 00016000 08:01 134997 /lib/i386-linux-gnu/libnsl-2.13.so
00594000-00596000 rw-p 00000000 00:00 0
007b2000-00890000 r-xp 00000000 08:01 9001 /usr/lib/i386-linux-gnu/libstdc++.so.6.0.16
00890000-00891000 ---p 000de000 08:01 9001 /usr/lib/i386-linux-gnu/libstdc++.so.6.0.16
00891000-00895000 r--p 000de000 08:01 9001 /usr/lib/i386-linux-gnu/libstdc++.so.6.0.16
00895000-00896000 rw-p 000e2000 08:01 9001 /usr/lib/i386-linux-gnu/libstdc++.so.6.0.16
00896000-0089d000 rw-p 00000000 00:00 0
00b17000-00b20000 r-xp 00000000 08:01 44596 /usr/lib/libotcl.so.1.14
00b20000-00b21000 r--p 00008000 08:01 44596 /usr/lib/libotcl.so.1.14
00b21000-00b22000 rw-p 00009000 08:01 44596 /usr/lib/libotcl.so.1.14
00bb9000-00bbc000 r-xp 00000000 08:01 134973 /lib/i386-linux-gnu/libdl-2.13.so
00bbc000-00bbd000 r--p 00002000 08:01 134973 /lib/i386-linux-gnu/libdl-2.13.so
00bbd000-00bbe000 rw-p 00003000 08:01 134973 /lib/i386-linux-gnu/libdl-2.13.so
00c97000-00ca2000 r-xp 00000000 08:01 135003 /lib/i386-linux-gnu/libnss_files-2.13.so
00ca2000-00ca3000 r--p 0000a000 08:01 135003 /lib/i386-linux-gnu/libnss_files-2.13.so
00ca3000-00ca4000 rw-p 0000b000 08:01 135003 /lib/i386-linux-gnu/libnss_files-2.13.so
00ccf000-00ced000 r-xp 00000000 08:01 134949 /lib/i386-linux-gnu/ld-2.13.so
00ced000-00cee000 r--p 0001d000 08:01 134949 /lib/i386-linux-gnu/ld-2.13.so
00cee000-00cef000 rw-p 0001e000 08:01 134949 /lib/i386-linux-gnu/ld-2.13.so
00e64000-00e6c000 r-xp 00000000 08:01 134999 /lib/i386-linux-gnu/libnss_compat-2.13.so
00e6c000-00e6d000 r--p 00007000 08:01 134999 /lib/i386-linux-gnu/libnss_compat-2.13.so
00e6d000-00e6e000 rw-p 00008000 08:01 134999 /lib/i386-linux-gnu/libnss_compat-2.13.so
08048000-083b4000 r-xp 00000000 08:01 44984 /usr/bin/ns
083b4000-083b5000 r--p 0036b000 08:01 44984 /usr/bin/ns
083b5000-08439000 rw-p 0036c000 08:01 44984 /usr/bin/ns
08439000-08441000 rw-p 00000000 00:00 0
0a157000-0a50a000 rw-p 00000000 00:00 0 [heap]
b6da2000-b6da3000 rw-p 00000000 00:00 0
b6da3000-b6daa000 r--s 00000000 08:01 9339 /usr/lib/i386-linux-gnu/gconv/gconv-modules.cache
b6daa000-b6dab000 ---p 00000000 00:00 0
b6dab000-b75ab000 rw-p 00000000 00:00 0
b75ab000-b75ac000 r--p 00859000 08:01 12662 /usr/lib/locale/locale-archive
b75ac000-b75ec000 r--p 002bd000 08:01 12662 /usr/lib/locale/locale-archive
b75ec000-b77ec000 r--p 00000000 08:01 12662 /usr/lib/locale/locale-archive
b77ec000-b77f0000 rw-p 00000000 00:00 0
b7804000-b7806000 rw-p 00000000 00:00 0
bfc44000-bfc65000 rw-p 00000000 00:00 0 [stack]
Aborted
-------------------------------------------------------------
Please what deas it refer this result ? I don't understand it.
Reply me please