An assertion is triggered in the luaG_runerror()
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Sergey Bronnikov
May 11, 2026, 2:27:32 PMMay 11
to lua-l
Hello,
an assertion is triggered on execution of a Lua chunk below:
./lua -e "
> local obj = setmetatable({}, {
__index = function(l, ...)
local _ = l > 1
end
})
obj:method();
> "
lua: ldebug.c:865: void luaG_runerror(lua_State *, const char *, ...): Assertion `(((((&((ci)->func.p)->val)))->tt_) == (((((6) | ((0) << 4))) | (1 << 6))))' failed.
Aborted (core dumped)
Reproduced on the latest version of Lua (53b41d0cddd80bf33fdc631bdd32e3ba53842b89)
that built with enabled macro -DLUAI_ASSERT. The assertion started appearing after the following commit:
commit 36c1f6d949a4d3dfcbe898d80b1be1efe8e5325c
Author: Roberto I <rob...@inf.puc-rio.br>
Date: Wed Apr 29 15:17:55 2026 -0300
Small correction in luaP_opmodes
OP_VARARGPREP neither sets nor uses L->top.
How to reproduce:
make -j MYCFLAGS="-O0 -DLUAI_ASSERT -ggdb"
Full backtrace:
(gdb) bt
#0 __pthread_kill_implementation (no_tid=0, signo=6, threadid=<optimized out>) at ./nptl/pthread_kill.c:44
#1 __pthread_kill_internal (signo=6, threadid=<optimized out>) at ./nptl/pthread_kill.c:78
#2 __GI___pthread_kill (threadid=<optimized out>, signo=signo@entry=6) at ./nptl/pthread_kill.c:89
#3 0x00007ffff7c4527e in __GI_raise (sig=sig@entry=6) at ../sysdeps/posix/raise.c:26
#4 0x00007ffff7c288ff in __GI_abort () at ./stdlib/abort.c:79
#5 0x00007ffff7c2881b in __assert_fail_base (fmt=0x7ffff7dd01e8 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n",
assertion=assertion@entry=0x5555555ba666 "(((((&((ci)->func.p)->val)))->tt_) == (((((6) | ((0) << 4))) | (1 <
< 6))))", file=file@entry=0x5555555ba634 "ldebug.c", line=line@entry=865,
function=function@entry=0x5555555baa2f "void luaG_runerror(lua_State *, const char *, ...)")
at ./assert/assert.c:96
#6 0x00007ffff7c3b517 in __assert_fail (
assertion=0x5555555ba666 "(((((&((ci)->func.p)->val)))->tt_) == (((((6) | ((0) << 4))) | (1 << 6))))",
file=0x5555555ba634 "ldebug.c", line=865,
function=0x5555555baa2f "void luaG_runerror(lua_State *, const char *, ...)") at ./assert/assert.c:105
#7 0x0000555555567724 in luaG_runerror (L=0x5555555d6828, fmt=0x5555555ba980 "attempt to compare %s with %s")
at ldebug.c:865
#8 0x0000555555567a88 in luaG_ordererror (L=0x5555555d6828, p1=0x7fffffffa620, p2=0x5555555d69d0)
at ldebug.c:813
#9 0x0000555555586c78 in luaT_callorderTM (L=0x5555555d6828, p1=0x7fffffffa620, p2=0x5555555d69d0, event=TM_LT)
at ltm.c:205
#10 0x0000555555586d12 in luaT_callorderiTM (L=0x5555555d6828, p1=0x7fffffffa620, v2=1, flip=1, isfloat=0,
event=TM_LT) at ltm.c:223
#11 0x00005555555993e8 in luaV_execute (L=0x5555555d6828, ci=0x5555555dd010) at lvm.c:1696
#12 0x000055555556c015 in ccall (L=0x5555555d6828, func=0x5555555d69b0, nResults=1, inc=1) at ldo.c:774
#13 0x000055555556bf08 in luaD_call (L=0x5555555d6828, func=0x5555555d69b0, nResults=1) at ldo.c:784
#14 0x000055555558679e in luaT_callTMres (L=0x5555555d6828, f=0x5555555dc9a0, p1=0x5555555d6970,
p2=0x5555555dc970, res=0x5555555d6980) at ltm.c:129
#15 0x000055555558a17f in luaV_finishget (L=0x5555555d6828, t=0x5555555d6970, key=0x5555555dc970,
val=0x5555555d6980, tag=32 ' ') at lvm.c:312
#16 0x0000555555591714 in luaV_execute (L=0x5555555d6828, ci=0x5555555d7bd0) at lvm.c:1437
#17 0x000055555556c015 in ccall (L=0x5555555d6828, func=0x5555555d6950, nResults=0, inc=65537) at ldo.c:774
#18 0x000055555556c058 in luaD_callnoyield (L=0x5555555d6828, func=0x5555555d6950, nResults=0) at ldo.c:792
#19 0x0000555555563d4f in f_call (L=0x5555555d6828, ud=0x7fffffffcc28) at lapi.c:1071
#20 0x0000555555569d59 in luaD_rawrunprotected (L=0x5555555d6828, f=0x555555563d20 <f_call>, ud=0x7fffffffcc28)
at ldo.c:166
#21 0x000055555556cbc1 in luaD_pcall (L=0x5555555d6828, func=0x555555563d20 <f_call>, u=0x7fffffffcc28,
old_top=80, ef=64) at ldo.c:1096
#22 0x0000555555563bfb in lua_pcallk (L=0x5555555d6828, nargs=0, nresults=0, errfunc=3, ctx=0, k=0x0)
at lapi.c:1097
#23 0x000055555555c35a in docall (L=0x5555555d6828, narg=0, nres=0) at lua.c:168
#24 0x000055555555c2c2 in dochunk (L=0x5555555d6828, status=0) at lua.c:204
#25 0x000055555555c28b in dostring (L=0x5555555d6828,
s=0x7fffffffd7e1 "\nlocal obj = setmetatable({}, {\n __index = function(l, ...)\n local _ = l > 1\n
end\n})\nobj:method();\n", name=0x5555555b738e "=(command line)") at lua.c:215
#26 0x000055555555c023 in runargs (L=0x5555555d6828, argv=0x7fffffffd248, n=3) at lua.c:369
#27 0x000055555555b8cf in pmain (L=0x5555555d6828) at lua.c:757
#28 0x000055555556b65a in precallC (L=0x5555555d6828, func=0x5555555d6910, status=2, f=0x55555555b770 <pmain>)
at ldo.c:663
#29 0x000055555556bbb8 in luaD_precall (L=0x5555555d6828, func=0x5555555d6910, nresults=1) at ldo.c:732
#30 0x000055555556bfee in ccall (L=0x5555555d6828, func=0x5555555d6910, nResults=1, inc=65537) at ldo.c:772
#31 0x000055555556c058 in luaD_callnoyield (L=0x5555555d6828, func=0x5555555d6910, nResults=1) at ldo.c:792
#32 0x0000555555563d4f in f_call (L=0x5555555d6828, ud=0x7fffffffd0a8) at lapi.c:1071
#33 0x0000555555569d59 in luaD_rawrunprotected (L=0x5555555d6828, f=0x555555563d20 <f_call>, ud=0x7fffffffd0a8)
at ldo.c:166
#34 0x000055555556cbc1 in luaD_pcall (L=0x5555555d6828, func=0x555555563d20 <f_call>, u=0x7fffffffd0a8,
old_top=16, ef=0) at ldo.c:1096
#35 0x0000555555563bfb in lua_pcallk (L=0x5555555d6828, nargs=2, nresults=1, errfunc=0, ctx=0, k=0x0)
at lapi.c:1097
#36 0x000055555555b68b in main (argc=3, argv=0x7fffffffd248) at lua.c:788
Sergey
an assertion is triggered on execution of a Lua chunk below:
./lua -e "
> local obj = setmetatable({}, {
__index = function(l, ...)
local _ = l > 1
end
})
obj:method();
> "
lua: ldebug.c:865: void luaG_runerror(lua_State *, const char *, ...): Assertion `(((((&((ci)->func.p)->val)))->tt_) == (((((6) | ((0) << 4))) | (1 << 6))))' failed.
Aborted (core dumped)
Reproduced on the latest version of Lua (53b41d0cddd80bf33fdc631bdd32e3ba53842b89)
that built with enabled macro -DLUAI_ASSERT. The assertion started appearing after the following commit:
commit 36c1f6d949a4d3dfcbe898d80b1be1efe8e5325c
Author: Roberto I <rob...@inf.puc-rio.br>
Date: Wed Apr 29 15:17:55 2026 -0300
Small correction in luaP_opmodes
OP_VARARGPREP neither sets nor uses L->top.
How to reproduce:
make -j MYCFLAGS="-O0 -DLUAI_ASSERT -ggdb"
Full backtrace:
(gdb) bt
#0 __pthread_kill_implementation (no_tid=0, signo=6, threadid=<optimized out>) at ./nptl/pthread_kill.c:44
#1 __pthread_kill_internal (signo=6, threadid=<optimized out>) at ./nptl/pthread_kill.c:78
#2 __GI___pthread_kill (threadid=<optimized out>, signo=signo@entry=6) at ./nptl/pthread_kill.c:89
#3 0x00007ffff7c4527e in __GI_raise (sig=sig@entry=6) at ../sysdeps/posix/raise.c:26
#4 0x00007ffff7c288ff in __GI_abort () at ./stdlib/abort.c:79
#5 0x00007ffff7c2881b in __assert_fail_base (fmt=0x7ffff7dd01e8 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n",
assertion=assertion@entry=0x5555555ba666 "(((((&((ci)->func.p)->val)))->tt_) == (((((6) | ((0) << 4))) | (1 <
< 6))))", file=file@entry=0x5555555ba634 "ldebug.c", line=line@entry=865,
function=function@entry=0x5555555baa2f "void luaG_runerror(lua_State *, const char *, ...)")
at ./assert/assert.c:96
#6 0x00007ffff7c3b517 in __assert_fail (
assertion=0x5555555ba666 "(((((&((ci)->func.p)->val)))->tt_) == (((((6) | ((0) << 4))) | (1 << 6))))",
file=0x5555555ba634 "ldebug.c", line=865,
function=0x5555555baa2f "void luaG_runerror(lua_State *, const char *, ...)") at ./assert/assert.c:105
#7 0x0000555555567724 in luaG_runerror (L=0x5555555d6828, fmt=0x5555555ba980 "attempt to compare %s with %s")
at ldebug.c:865
#8 0x0000555555567a88 in luaG_ordererror (L=0x5555555d6828, p1=0x7fffffffa620, p2=0x5555555d69d0)
at ldebug.c:813
#9 0x0000555555586c78 in luaT_callorderTM (L=0x5555555d6828, p1=0x7fffffffa620, p2=0x5555555d69d0, event=TM_LT)
at ltm.c:205
#10 0x0000555555586d12 in luaT_callorderiTM (L=0x5555555d6828, p1=0x7fffffffa620, v2=1, flip=1, isfloat=0,
event=TM_LT) at ltm.c:223
#11 0x00005555555993e8 in luaV_execute (L=0x5555555d6828, ci=0x5555555dd010) at lvm.c:1696
#12 0x000055555556c015 in ccall (L=0x5555555d6828, func=0x5555555d69b0, nResults=1, inc=1) at ldo.c:774
#13 0x000055555556bf08 in luaD_call (L=0x5555555d6828, func=0x5555555d69b0, nResults=1) at ldo.c:784
#14 0x000055555558679e in luaT_callTMres (L=0x5555555d6828, f=0x5555555dc9a0, p1=0x5555555d6970,
p2=0x5555555dc970, res=0x5555555d6980) at ltm.c:129
#15 0x000055555558a17f in luaV_finishget (L=0x5555555d6828, t=0x5555555d6970, key=0x5555555dc970,
val=0x5555555d6980, tag=32 ' ') at lvm.c:312
#16 0x0000555555591714 in luaV_execute (L=0x5555555d6828, ci=0x5555555d7bd0) at lvm.c:1437
#17 0x000055555556c015 in ccall (L=0x5555555d6828, func=0x5555555d6950, nResults=0, inc=65537) at ldo.c:774
#18 0x000055555556c058 in luaD_callnoyield (L=0x5555555d6828, func=0x5555555d6950, nResults=0) at ldo.c:792
#19 0x0000555555563d4f in f_call (L=0x5555555d6828, ud=0x7fffffffcc28) at lapi.c:1071
#20 0x0000555555569d59 in luaD_rawrunprotected (L=0x5555555d6828, f=0x555555563d20 <f_call>, ud=0x7fffffffcc28)
at ldo.c:166
#21 0x000055555556cbc1 in luaD_pcall (L=0x5555555d6828, func=0x555555563d20 <f_call>, u=0x7fffffffcc28,
old_top=80, ef=64) at ldo.c:1096
#22 0x0000555555563bfb in lua_pcallk (L=0x5555555d6828, nargs=0, nresults=0, errfunc=3, ctx=0, k=0x0)
at lapi.c:1097
#23 0x000055555555c35a in docall (L=0x5555555d6828, narg=0, nres=0) at lua.c:168
#24 0x000055555555c2c2 in dochunk (L=0x5555555d6828, status=0) at lua.c:204
#25 0x000055555555c28b in dostring (L=0x5555555d6828,
s=0x7fffffffd7e1 "\nlocal obj = setmetatable({}, {\n __index = function(l, ...)\n local _ = l > 1\n
end\n})\nobj:method();\n", name=0x5555555b738e "=(command line)") at lua.c:215
#26 0x000055555555c023 in runargs (L=0x5555555d6828, argv=0x7fffffffd248, n=3) at lua.c:369
#27 0x000055555555b8cf in pmain (L=0x5555555d6828) at lua.c:757
#28 0x000055555556b65a in precallC (L=0x5555555d6828, func=0x5555555d6910, status=2, f=0x55555555b770 <pmain>)
at ldo.c:663
#29 0x000055555556bbb8 in luaD_precall (L=0x5555555d6828, func=0x5555555d6910, nresults=1) at ldo.c:732
#30 0x000055555556bfee in ccall (L=0x5555555d6828, func=0x5555555d6910, nResults=1, inc=65537) at ldo.c:772
#31 0x000055555556c058 in luaD_callnoyield (L=0x5555555d6828, func=0x5555555d6910, nResults=1) at ldo.c:792
#32 0x0000555555563d4f in f_call (L=0x5555555d6828, ud=0x7fffffffd0a8) at lapi.c:1071
#33 0x0000555555569d59 in luaD_rawrunprotected (L=0x5555555d6828, f=0x555555563d20 <f_call>, ud=0x7fffffffd0a8)
at ldo.c:166
#34 0x000055555556cbc1 in luaD_pcall (L=0x5555555d6828, func=0x555555563d20 <f_call>, u=0x7fffffffd0a8,
old_top=16, ef=0) at ldo.c:1096
#35 0x0000555555563bfb in lua_pcallk (L=0x5555555d6828, nargs=2, nresults=1, errfunc=0, ctx=0, k=0x0)
at lapi.c:1097
#36 0x000055555555b68b in main (argc=3, argv=0x7fffffffd248) at lua.c:788
Sergey
Roberto Ierusalimschy
May 12, 2026, 3:56:57 PMMay 12
to lu...@googlegroups.com
> an assertion is triggered on execution of a Lua chunk below:
>
> ./lua -e "
> > local obj = setmetatable({}, {
> __index = function(l, ...)
> local _ = l > 1
> end
> })
> obj:method();
> > "
> lua: ldebug.c:865: void luaG_runerror(lua_State *, const char *, ...):
> Assertion `(((((&((ci)->func.p)->val)))->tt_) == (((((6) | ((0) << 4))) |
> (1 << 6))))' failed.
> Aborted (core dumped)
Thanks for the feedback. Indeed, the commit 36c1f6d was wrong:
>
> ./lua -e "
> > local obj = setmetatable({}, {
> __index = function(l, ...)
> local _ = l > 1
> end
> })
> obj:method();
> > "
> lua: ldebug.c:865: void luaG_runerror(lua_State *, const char *, ...):
> Assertion `(((((&((ci)->func.p)->val)))->tt_) == (((((6) | ((0) << 4))) |
> (1 << 6))))' failed.
> Aborted (core dumped)
Although OP_VARARGPREP does not need to be preceded by an "OT"
instruction (it is never preceded by any instruction), it does need
a correct L->top to work properly. (The comment in lopcodes.h:420
is misleading.)
-- Roberto
Sergey Bronnikov
May 15, 2026, 10:09:04 AMMay 15
to lua-l
Hello,
the behavior also can be reproduced by the following chunk (select.lua):
```
local function fn()
return function(...)
local n = select("#", ...)
assert(n == 1, tostring(n))
end
end
local f = fn()
f(1)
```
return function(...)
local n = select("#", ...)
assert(n == 1, tostring(n))
end
end
local f = fn()
f(1)
```
make -j "MYCFLAGS=-DLUAI_ASSERT"
./lua select.lua
./lua: select.lua:4: 0
stack traceback:
[C]: in global 'assert'
select.lua:4: in local 'f'
select.lua:9: in main chunk
[C]: in ?
./lua: select.lua:4: 0
stack traceback:
[C]: in global 'assert'
select.lua:4: in local 'f'
select.lua:9: in main chunk
[C]: in ?
Reverting the commit 36c1f6d solves the issue.
Sergey
Sergey Bronnikov
May 26, 2026, 7:27:38 AMMay 26
to lua-l
Hello,
yet another reproducer, I suppose the root cause is the same.
At least reverting 36c1f6d helps.
cat <<EOF > chunk.lua
xpcall(collectgarbage, function(_, ...)
error('')
end, '')
EOF
How to reproduce:
make MYCFLAGS="-Og -g -Wall -DLUAI_ASSERT -DLUA_USE_APICHECK"
./lua assert.lua
lua: ldebug.c:411: lua_getinfo: Assertion `((((((func)->tt_)) & 0x0F)) == (6))' failed.
Aborted (core dumped)
Full backtrace:
(gdb) bt
#0 __pthread_kill_implementation (no_tid=0, signo=6, threadid=<optimized out>) at ./nptl/pthread_kill.c:44
#1 __pthread_kill_internal (signo=6, threadid=<optimized out>) at ./nptl/pthread_kill.c:78
#2 __GI___pthread_kill (threadid=<optimized out>, signo=signo@entry=6) at ./nptl/pthread_kill.c:89
#3 0x00007ffff7c4527e in __GI_raise (sig=sig@entry=6) at ../sysdeps/posix/raise.c:26
#4 0x00007ffff7c288ff in __GI_abort () at ./stdlib/abort.c:79
#5 0x00007ffff7c2881b in __assert_fail_base (fmt=0x7ffff7dd01e8 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n",
file=file@entry=0x555555591479 "ldebug.c", line=line@entry=411,
function=function@entry=0x55555559b3b8 <__PRETTY_FUNCTION__.16> "lua_getinfo") at ./assert/assert.c:96
#6 0x00007ffff7c3b517 in __assert_fail (
file=file@entry=0x555555591479 "ldebug.c", line=line@entry=411,
function=function@entry=0x55555559b3b8 <__PRETTY_FUNCTION__.16> "lua_getinfo") at ./assert/assert.c:105
#7 0x0000555555562eb4 in lua_getinfo (L=L@entry=0x5555555af828, what=what@entry=0x555555592471 "Sl",
ar=ar@entry=0x7fffffffc440) at ldebug.c:411
#8 0x000055555557f4ce in luaL_where (L=L@entry=0x5555555af828, level=level@entry=1) at lauxlib.c:223
#9 0x0000555555586df7 in luaB_error (L=0x5555555af828) at lbaselib.c:120
#10 0x0000555555564dfd in precallC (L=L@entry=0x5555555af828, func=0x5555555b5b60, func@entry=0x5555555afa30,
status=<optimized out>, status@entry=1, f=0x555555586da0 <luaB_error>) at ldo.c:663
#11 0x00005555555653f9 in luaD_precall (L=L@entry=0x5555555af828, func=0x5555555afa30, nresults=<optimized out>)
at ldo.c:732
#12 0x000055555557dac4 in luaV_execute (L=L@entry=0x5555555af828, ci=0x5555555b59e0) at lvm.c:1729
#13 0x00005555555655b0 in ccall (L=L@entry=0x5555555af828, func=0x5555555af9f0, nResults=nResults@entry=1,
inc=inc@entry=65537) at ldo.c:774
#14 0x0000555555565740 in luaD_callnoyield (L=L@entry=0x5555555af828, func=<optimized out>,
nResults=nResults@entry=1) at ldo.c:792
#15 0x000055555556310b in luaG_errormsg (L=0x5555555af828) at ldebug.c:847
#16 0x0000555555560ddf in lua_error (L=L@entry=0x5555555af828) at lapi.c:1267
#17 0x000055555557f5c9 in luaL_error (L=L@entry=0x5555555af828,
fmt=fmt@entry=0x555555592552 "bad %s #%d to '%s' (%s)") at lauxlib.c:245
#18 0x000055555557fb60 in luaL_argerror (L=L@entry=0x5555555af828, arg=arg@entry=1,
extramsg=0x5555555b69d8 "invalid option ''") at lauxlib.c:192
#19 0x0000555555580421 in luaL_checkoption (L=L@entry=0x5555555af828, arg=arg@entry=1,
def=def@entry=0x555555592a78 "collect", lst=lst@entry=0x5555555acdc0 <opts>) at lauxlib.c:374
#20 0x0000555555586ebe in luaB_collectgarbage (L=0x5555555af828) at lbaselib.c:208
#21 0x0000555555564dfd in precallC (L=L@entry=0x5555555af828, func=func@entry=0x5555555af9b0,
status=<optimized out>, status@entry=0, f=0x555555586e9b <luaB_collectgarbage>) at ldo.c:663
#22 0x00005555555653f9 in luaD_precall (L=L@entry=0x5555555af828, func=func@entry=0x5555555af9b0,
nresults=nresults@entry=-1) at ldo.c:732
#23 0x0000555555565595 in ccall (L=L@entry=0x5555555af828, func=0x5555555af9b0, nResults=-1,
inc=inc@entry=65537) at ldo.c:772
#24 0x0000555555565740 in luaD_callnoyield (L=L@entry=0x5555555af828, func=<optimized out>,
nResults=<optimized out>) at ldo.c:792
#25 0x000055555555d843 in f_call (L=L@entry=0x5555555af828, ud=ud@entry=0x7fffffffcac0) at lapi.c:1071
#26 0x0000555555564118 in luaD_rawrunprotected (L=L@entry=0x5555555af828, f=f@entry=0x55555555d830 <f_call>,
ud=ud@entry=0x7fffffffcac0) at ldo.c:166
#27 0x0000555555565b70 in luaD_pcall (L=L@entry=0x5555555af828, func=func@entry=0x55555555d830 <f_call>,
u=u@entry=0x7fffffffcac0, old_top=176, ef=<optimized out>) at ldo.c:1096
#28 0x0000555555560649 in lua_pcallk (L=L@entry=0x5555555af828, nargs=nargs@entry=1,
nresults=nresults@entry=-1, errfunc=errfunc@entry=2, ctx=ctx@entry=2,
k=k@entry=0x555555586143 <finishpcall>) at lapi.c:1097
#29 0x00005555555861f8 in luaB_xpcall (L=0x5555555af828) at lbaselib.c:497
#30 0x0000555555564dfd in precallC (L=L@entry=0x5555555af828, func=func@entry=0x5555555af970,
status=<optimized out>, status@entry=1, f=0x555555586184 <luaB_xpcall>) at ldo.c:663
#31 0x00005555555653f9 in luaD_precall (L=L@entry=0x5555555af828, func=0x5555555af970, nresults=<optimized out>)
at ldo.c:732
#32 0x000055555557dac4 in luaV_execute (L=L@entry=0x5555555af828, ci=0x5555555b0bd0) at lvm.c:1729
#33 0x00005555555655b0 in ccall (L=L@entry=0x5555555af828, func=0x5555555af950, nResults=-1,
inc=inc@entry=65537) at ldo.c:774
#34 0x0000555555565740 in luaD_callnoyield (L=L@entry=0x5555555af828, func=<optimized out>,
nResults=<optimized out>) at ldo.c:792
#35 0x000055555555d843 in f_call (L=L@entry=0x5555555af828, ud=ud@entry=0x7fffffffce00) at lapi.c:1071
#36 0x0000555555564118 in luaD_rawrunprotected (L=L@entry=0x5555555af828, f=f@entry=0x55555555d830 <f_call>,
ud=ud@entry=0x7fffffffce00) at ldo.c:166
#37 0x0000555555565b70 in luaD_pcall (L=L@entry=0x5555555af828, func=func@entry=0x55555555d830 <f_call>,
u=u@entry=0x7fffffffce00, old_top=80, ef=<optimized out>) at ldo.c:1096
#38 0x0000555555560649 in lua_pcallk (L=L@entry=0x5555555af828, nargs=nargs@entry=0,
nresults=nresults@entry=-1, errfunc=errfunc@entry=3, ctx=ctx@entry=0, k=k@entry=0x0) at lapi.c:1097
#39 0x000055555555be46 in docall (L=L@entry=0x5555555af828, narg=0, nres=nres@entry=-1) at lua.c:168
#40 0x000055555555c4e7 in handle_script (L=L@entry=0x5555555af828, argv=0x7fffffffd2b0) at lua.c:272
#41 0x000055555555cab6 in pmain (L=0x5555555af828) at lua.c:760
#42 0x0000555555564dfd in precallC (L=L@entry=0x5555555af828, func=func@entry=0x5555555af910,
status=<optimized out>, status@entry=2, f=0x55555555c90d <pmain>) at ldo.c:663
#43 0x00005555555653f9 in luaD_precall (L=L@entry=0x5555555af828, func=func@entry=0x5555555af910,
nresults=nresults@entry=1) at ldo.c:732
#44 0x0000555555565595 in ccall (L=L@entry=0x5555555af828, func=0x5555555af910, nResults=1, inc=inc@entry=65537)
at ldo.c:772
#45 0x0000555555565740 in luaD_callnoyield (L=L@entry=0x5555555af828, func=<optimized out>,
nResults=<optimized out>) at ldo.c:792
#46 0x000055555555d843 in f_call (L=L@entry=0x5555555af828, ud=ud@entry=0x7fffffffd120) at lapi.c:1071
#47 0x0000555555564118 in luaD_rawrunprotected (L=L@entry=0x5555555af828, f=f@entry=0x55555555d830 <f_call>,
ud=ud@entry=0x7fffffffd120) at ldo.c:166
#48 0x0000555555565b70 in luaD_pcall (L=L@entry=0x5555555af828, func=func@entry=0x55555555d830 <f_call>,
u=u@entry=0x7fffffffd120, old_top=16, ef=<optimized out>) at ldo.c:1096
#49 0x0000555555560649 in lua_pcallk (L=L@entry=0x5555555af828, nargs=nargs@entry=2, nresults=nresults@entry=1,
errfunc=errfunc@entry=0, ctx=ctx@entry=0, k=k@entry=0x0) at lapi.c:1097
#50 0x000055555555cb5e in main (argc=2, argv=0x7fffffffd2a8) at lua.c:788
(gdb)
Sergey
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