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Product Link

https://github.com/caryll/otfcc

POC file

https://github.com/Cvjark/Poc/files/9059954/id11_SEGV_sample_otfccdump%2B0x5266a8.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
=================================================================
==130785==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000004 (pc 0x0000005266a8 bp 0x7ffd2f8bb3f0 sp 0x7ffd2f8baa80 T0)
==130785==The signal is caused by a READ memory access.
==130785==Hint: address points to the zero page.
==130785==WARNING: failed to fork (errno 12)
==130785==WARNING: failed to fork (errno 12)
==130785==WARNING: failed to fork (errno 12)
==130785==WARNING: failed to fork (errno 12)
==130785==WARNING: failed to fork (errno 12)
==130785==WARNING: Failed to use and restart external symbolizer!
    #0 0x5266a8  (/home/bupt/Desktop/otfcc/bin/release-x64/otfccdump+0x5266a8)
    #1 0x4fe3fe  (/home/bupt/Desktop/otfcc/bin/release-x64/otfccdump+0x4fe3fe)
    #2 0x4f5710  (/home/bupt/Desktop/otfcc/bin/release-x64/otfccdump+0x4f5710)
    #3 0x7f952a4e0c86  (/lib/x86_64-linux-gnu/libc.so.6+0x21c86)
    #4 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+0x5266a8) 
==130785==ABORTING

Crash summary

SUMMARY: AddressSanitizer: SEGV (/home/bupt/Desktop/otfcc/bin/release-x64/otfccdump+0x5266a8)