$ ./mjs-bin poc5.js
AddressSanitizer:DEADLYSIGNAL
=================================================================
==24826==ERROR: AddressSanitizer: SEGV on unknown address 0x55c28365e53c (pc 0x55c28365e5af bp 0x7ffd08aa99f0 sp 0x7ffd08aa96d8 T0)
==24826==The signal is caused by a WRITE memory access.
#0 0x55c28365e5af /home/v/jse/mjs/mjs.c:12995:3
#1 0x55c28366a4d4 in mjs_exec_internal /home/v/jse/mjs/mjs.c:9044:5
#2 0x55c28366acb3 in mjs_exec_file /home/v/jse/mjs/mjs.c:9067:11
#3 0x55c28367c5e8 in main /home/v/jse/mjs/mjs.c:11423:11
#4 0x7fe045f72d8f in __libc_start_call_main csu/../sysdeps/nptl/libc_start_call_main.h:58:16
AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV /home/v/jse/mjs/mjs.c:12995:3
==24826==ABORTING
Environment
Ubuntu 22.04.3 LTS
Affected Version
MJS 2.20.0
Step to reproduce
Contents of PoCfile
ASAN Report