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Product Link

https://github.com/caryll/otfcc

POC file

https://github.com/Cvjark/Poc/files/9059955/id12_SEGV_sample_otfccdump%2B0x6badae.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
=================================================================
==1197==ERROR: AddressSanitizer: SEGV on unknown address 0x0000000004cc (pc 0x0000006badae bp 0x7ffecbb13010 sp 0x7ffecbb12ce0 T0)
==1197==The signal is caused by a READ memory access.
    #0 0x6badae  (/home/bupt/Desktop/otfcc/bin/release-x64/otfccdump+0x6badae)
    #1 0x527687  (/home/bupt/Desktop/otfcc/bin/release-x64/otfccdump+0x527687)
    #2 0x4fe3fe  (/home/bupt/Desktop/otfcc/bin/release-x64/otfccdump+0x4fe3fe)
    #3 0x4f5710  (/home/bupt/Desktop/otfcc/bin/release-x64/otfccdump+0x4f5710)
    #4 0x7f62e925ec86 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+0x6badae) 
==1197==ABORTING

Crash summary

SUMMARY: AddressSanitizer: SEGV (/home/bupt/Desktop/otfcc/bin/release-x64/otfccdump+0x6badae)