Product Link
https://github.com/caryll/otfcc
POC file
https://github.com/Cvjark/Poc/files/9059957/id33_SEGV_sample_otfccdump%2B0x4fbbb6.zip
Command to reproduce
./otfccbuild --pretty [sample file] -o /dev/null
Product name & version
last github commit code : 617837b
Problem Type
SEGV
Crash Detail
AddressSanitizer:DEADLYSIGNAL
=================================================================
==2966==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000036 (pc 0x0000004fbbb6 bp 0x7ffddb299ed0 sp 0x7ffddb299da0 T0)
==2966==The signal is caused by a READ memory access.
==2966==Hint: address points to the zero page.
#0 0x4fbbb6 (/home/bupt/Desktop/otfcc/bin/release-x64/otfccdump+0x4fbbb6)
#1 0x4f5932 (/home/bupt/Desktop/otfcc/bin/release-x64/otfccdump+0x4f5932)
#2 0x7f3e141cac86 in __libc_start_main /build/glibc-CVJwZb/glibc-2.27/csu/../csu/libc-start.c:310
#3 0x41c549 (/home/bupt/Desktop/otfcc/bin/release-x64/otfccdump+0x41c549)
AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV (/home/bupt/Desktop/otfcc/bin/release-x64/otfccdump+0x4fbbb6)
==2966==ABORTING
Crash summary
SUMMARY: AddressSanitizer: SEGV (/home/bupt/Desktop/otfcc/bin/release-x64/otfccdump+0x4fbbb6)