Product Link
https://github.com/caryll/otfcc
POC file
https://github.com/Cvjark/Poc/files/9059962/id68_SEGV_sample_otfccdump%2B0x6b6a8f.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
=================================================================
==9840==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000000 (pc 0x0000006b6a8f bp 0x0c2600000041 sp 0x7ffdf341f950 T0)
==9840==The signal is caused by a READ memory access.
==9840==Hint: address points to the zero page.
#0 0x6b6a8f (/home/bupt/Desktop/otfcc/bin/release-x64/otfccdump+0x6b6a8f)
#1 0x5265aa (/home/bupt/Desktop/otfcc/bin/release-x64/otfccdump+0x5265aa)
#2 0x4fe3fe (/home/bupt/Desktop/otfcc/bin/release-x64/otfccdump+0x4fe3fe)
#3 0x4f5710 (/home/bupt/Desktop/otfcc/bin/release-x64/otfccdump+0x4f5710)
#4 0x7f4071149c86 in __libc_start_main /build/glibc-CVJwZb/glibc-2.27/csu/../csu/libc-start.c:310
#5 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+0x6b6a8f)
==9840==ABORTING
Crash summary
SUMMARY: AddressSanitizer: SEGV (/home/bupt/Desktop/otfcc/bin/release-x64/otfccdump+0x6b6a8f)