SEGV src/jsiNumber.c:93 in NumberConstructor

[hope-fly]

Jsish revision

Commit: 9fa798e

Version: v3.5.0

Build platform

Ubuntu 18.04.5 LTS (Linux 5.4.0-44-generic x86_64)

Build steps

export CFLAGS='-fsanitize=address'
make

Test case

var list = [
    'aa',
    'hh'
];
Number.bind(2, 4)();

​

Execution steps & Output

$ ./jsish/jsish poc.js

ASAN:DEADLYSIGNAL
=================================================================
=====ERROR: AddressSanitizer: SEGV on unknown address 0x000000000000 (pc 0x55d872876fd3 bp 0x7ffd8a3d6b10 sp 0x7ffd8a3d6240 T0)
=====The signal is caused by a READ memory access.
=====Hint: address points to the zero page.
    #0 0x55d872876fd2 in NumberConstructor src/jsiNumber.c:93
    #1 0x55d87284a818 in jsi_FuncCallSub src/jsiProto.c:244
    #2 0x55d8727c7fec in jsi_FunctionInvoke src/jsiFunc.c:777
    #3 0x55d8727c7fec in Jsi_FunctionInvoke src/jsiFunc.c:789
    #4 0x55d872843ad6 in jsi_FuncBindCall src/jsiProto.c:299
    #5 0x55d87284a818 in jsi_FuncCallSub src/jsiProto.c:244
    #6 0x55d872b1471a in jsiFunctionSubCall src/jsiEval.c:796
    #7 0x55d872b1471a in jsiEvalFunction src/jsiEval.c:837
    #8 0x55d872b1471a in jsiEvalCodeSub src/jsiEval.c:1264
    #9 0x55d872b2815e in jsi_evalcode src/jsiEval.c:2204
    #10 0x55d872b2c274 in jsi_evalStrFile src/jsiEval.c:2665
    #11 0x55d87281b66a in Jsi_Main src/jsiInterp.c:936
    #12 0x55d87302003a in jsi_main src/main.c:47
    #13 0x7fb276e6fbf6 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21bf6)
    #14 0x55d8727af969 in _start (/usr/local/bin/jsish+0xe8969)

AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV src/jsiNumber.c:93 in NumberConstructor

Credits: Found by OWL337 team.

[hope-fly]

This issue may have a correlation with #66, but I'm not for sure. Report this issue to assist your debug.

[pcmacdon]

FIxed by fix for issue #66