AddressSanitizer:DEADLYSIGNAL
=================================================================
==2064573==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000080 (pc 0x7fe5e5c03c63 bp 0x7fff0c41ad10 sp 0x7fff0c41a4c8 T0)
==2064573==The signal is caused by a WRITE memory access.
==2064573==Hint: address points to the zero page.
#0 0x7fe5e5c03c63 in memcpy /build/glibc-eX1tMB/glibc-2.31/string/../sysdeps/x86_64/multiarch/memmove-vec-unaligned-erms.S:144
#1 0x495737 in __asan_memcpy (/home/q1iq/Documents/origin/njs/build/njs+0x495737)
#2 0x51ff27 in njs_array_add /home/q1iq/Documents/origin/njs/src/njs_array.c:335:41
#3 0x51ff27 in njs_array_prototype_concat /home/q1iq/Documents/origin/njs/src/njs_array.c:1757:27
#4 0x53bf9c in njs_function_native_call /home/q1iq/Documents/origin/njs/src/njs_function.c:739:11
#5 0x4e47fa in njs_vmcode_interpreter /home/q1iq/Documents/origin/njs/src/njs_vmcode.c:785:23
#6 0x53b43a in njs_function_lambda_call /home/q1iq/Documents/origin/njs/src/njs_function.c:703:11
#7 0x4e47fa in njs_vmcode_interpreter /home/q1iq/Documents/origin/njs/src/njs_vmcode.c:785:23
#8 0x4deb7b in njs_vm_start /home/q1iq/Documents/origin/njs/src/njs_vm.c:493:11
#9 0x4c8099 in njs_process_script /home/q1iq/Documents/origin/njs/src/njs_shell.c:903:19
#10 0x4c7484 in njs_process_file /home/q1iq/Documents/origin/njs/src/njs_shell.c:632:11
#11 0x4c7484 in main /home/q1iq/Documents/origin/njs/src/njs_shell.c:316:15
#12 0x7fe5e5b6c0b2 in __libc_start_main /build/glibc-eX1tMB/glibc-2.31/csu/../csu/libc-start.c:308:16
#13 0x41dabd in _start (/home/q1iq/Documents/origin/njs/build/njs+0x41dabd)
AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV /build/glibc-eX1tMB/glibc-2.31/string/../sysdeps/x86_64/multiarch/memmove-vec-unaligned-erms.S:144 in memcpy
==2064573==ABORTING
Environment
Proof of concept
Stack dump
Credit
Q1IQ(@Q1IQ)
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