xreader core dumps with segmentation fault on some epub files

[perdakovich]

Distribution

Arch Linux

Package version

xreader 4.6.3

Frequency

Always

Bug description

core dumps on a 321 Mb epub file

dmesg:
[21667.413329] EvJobScheduler[87851]: segfault at 18 ip 00007f5a74724f3a sp 00007f5a23ffdd60 error 4 in libepubdocument.so[8f3a,7f5a7471f000+7000] likely on CPU 4 (core 0, socket 0)

Steps to reproduce

#499

Expected behavior

#499

Additional information

#499