bt full for Lua Webserver

#0  0x08020390 in HardFault_Handler ()
No symbol table info available.
#1  <signal handler called>
No symbol table info available.
#2  0x0812c426 in luaD_rawrunprotected (L=0x55555555, L@entry=0x30008034, f=0x55555555, f@entry=0x8128b5d <f_call>, ud=0x55555555, ud@entry=0x2402b160) at ../../libraries/AP_Scripting/lua/src/ldo.c:155
        oldnCcalls = 65535
        lj = {
          previous = 0x55555555,
          b = {-1104822011, 0, 0, 0, 1106247680, 0, 1163984896, 1127481344, 0, -2147483632, 0, 0, 0, 0, 0, 0, 0, 0, 0, 805390032, 805429760, 805429760, 805339188},
          status = 2
        }
#3  0x0812cbd6 in luaD_pcall (L=L@entry=0x30008034, func=func@entry=0x8128b5d <f_call>, u=u@entry=0x2402b160, old_top=296, ef=0) at ../../libraries/AP_Scripting/lua/src/ldo.c:738
        status = <optimized out>
        old_ci = 0x3001f228
        old_allowhooks = 1 '\001'
        old_nny = 2
        old_errfunc = 0
#4  0x08129dfa in lua_pcallk (L=L@entry=0x30008034, nargs=<optimized out>, nresults=nresults@entry=-1, errfunc=errfunc@entry=0, ctx=ctx@entry=0, k=k@entry=0x812b98d <finishpcall>) at ../../libraries/AP_Scripting/lua/src/lapi.c:969
        c = {
          func = 0x30021270,
          nresults = -1
        }
        status = <optimized out>
        func = <optimized out>
#5  0x0812ba9e in luaB_pcall (L=0x30008034) at ../../libraries/AP_Scripting/lua/src/lbaselib.c:427
        status = <optimized out>
#6  0x0812c9de in luaD_precall (L=L@entry=0x30008034, func=func@entry=0x30021260, nresults=nresults@entry=2) at ../../libraries/AP_Scripting/lua/src/ldo.c:443
        n = <optimized out>
        f = 0x812ba65 <luaB_pcall>
        ci = 0x3001f228
#7  0x0813736e in luaV_execute (L=L@entry=0x30008034) at ../../libraries/AP_Scripting/lua/src/lvm.c:1138
        b = <optimized out>
        nresults = 2
        i = <optimized out>
        ra = 0x30021260
        a = <optimized out>
        a = <optimized out>
        ci = 0x3001e7f8
        cl = <optimized out>
        k = <optimized out>
        base = 0x30021228
        newframe = <optimized out>
#8  0x0812cba6 in luaD_call (nResults=<optimized out>, func=<optimized out>, L=0x30008034) at ../../libraries/AP_Scripting/lua/src/ldo.c:508
No locals.
#9  luaD_callnoyield (L=0x30008034, func=<optimized out>, nResults=<optimized out>) at ../../libraries/AP_Scripting/lua/src/ldo.c:518
No locals.
#10 0x0812c416 in luaD_rawrunprotected (L=0x0, L@entry=0x30008034, f=0x30008034, f@entry=0x8128b5d <f_call>, ud=0x8128b5d <f_call>, ud@entry=0x2402b310) at ../../libraries/AP_Scripting/lua/src/ldo.c:145
        oldnCcalls = 65535
        lj = {
          previous = 0x0,
          b = {805339188, 0, 8, 604156512, 0, 1, 1, 805339240, 604156512, 135447557, 135453531, 135451068, 17760256, 1065353216, 1079395230, 1106247680, 1431655765, 1431655765, 1431655765, 1431655765, -1104822011, 0, 0},
          status = 0
        }
#11 0x0812cbd6 in luaD_pcall (L=L@entry=0x30008034, func=func@entry=0x8128b5d <f_call>, u=u@entry=0x2402b310, old_top=8, ef=0) at ../../libraries/AP_Scripting/lua/src/ldo.c:738
        status = <optimized out>
        old_ci = 0x30008068
        old_allowhooks = 1 '\001'
        old_nny = 1
        old_errfunc = 0
#12 0x08129dfa in lua_pcallk (L=L@entry=0x30008034, nargs=nargs@entry=0, nresults=nresults@entry=-1, errfunc=errfunc@entry=0, ctx=ctx@entry=0, k=k@entry=0x0) at ../../libraries/AP_Scripting/lua/src/lapi.c:969
        c = {
          func = 0x30015680,
          nresults = -1
        }
        status = <optimized out>
        func = <optimized out>
#13 0x0811e380 in lua_scripts::run_next_script (this=this@entry=0x2402b590, L=L@entry=0x30008034) at ../../libraries/AP_Scripting/lua_scripts.cpp:332
        start_time_ms = 179937
        script = 0x30012480
        stack_top = 0
#14 0x0811e764 in lua_scripts::run (this=0x2402b590, this@entry=0x2402b428) at ../../libraries/AP_Scripting/lua_scripts.cpp:585
        sanity = <optimized out>
        script_name = 0x300108a8 "/APM/scripts/webserver.lua"
        loadEnd = <optimized out>
        runEnd = <optimized out>
        endMem = <optimized out>
        now_ms = <optimized out>
        startMem = 78811
        error_prints = <optimized out>
        succeeded_initial_load = <optimized out>
        L = 0x30008034
        inital_mem = <optimized out>
        loaded_mem = <optimized out>
        dir_disable = <optimized out>
        loaded = <optimized out>
        script = <optimized out>
#15 0x0811d960 in AP_Scripting::thread (this=0x2402b590) at ../../libraries/AP_Scripting/AP_Scripting.cpp:304
        lua = 0x2402b428
        cleared = <optimized out>
#16 0x08175c16 in Functor<void>::operator() (this=0x2402b428) at ../../libraries/AP_HAL/utility/functor.h:54
No locals.
#17 ChibiOS::Scheduler::thread_create_trampoline (ctx=0x2402b428) at ../../libraries/AP_HAL_ChibiOS/Scheduler.cpp:683
        t = 0x2402b428
#18 0x08020f2e in __port_thread_start ()
No symbol table info available.
Backtrace stopped: previous frame identical to this frame (corrupt stack?)