Created attachment 119023 [details]
Here are a small test case to reproduce the crash with cairo.
On Fedora 22, "Adobe Source Han Sans Fonts" is the default fonts for Chinese.
But when use the above font to print or create pdf file, cairo crashes.
Adobe fonts URL: https://github.com/adobe-fonts/source-han-sans/
*** This bug has been marked as a duplicate of bug 91902 ***