Product Link
https://github.com/caryll/otfcc
POC file
https://github.com/Cvjark/Poc/files/9059948/id5_SEGV_sample_otfccdump%2B0x4fbc0b.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
=================================================================
==9104==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000004 (pc 0x0000004fbc0b bp 0x7ffd4665c270 sp 0x7ffd4665c140 T0)
==9104==The signal is caused by a READ memory access.
==9104==Hint: address points to the zero page.
#0 0x4fbc0b (/home/bupt/Desktop/otfcc/bin/release-x64/otfccdump+0x4fbc0b)
#1 0x4f5932 (/home/bupt/Desktop/otfcc/bin/release-x64/otfccdump+0x4f5932)
#2 0x7fada3943c86 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+0x4fbc0b)
==9104==ABORTING
Crash summary
SUMMARY: AddressSanitizer: SEGV (/home/bupt/Desktop/otfcc/bin/release-x64/otfccdump+0x4fbc0b)