epub: Avoid crash when index list has extraneous entry

mate-desktop / atril

A document viewer for MATE

http://www.mate-desktop.org

GNU General Public License v2.0

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Closed correctmost closed 5 months ago

correctmost commented 5 months ago

This commit also fixes an incorrect sizeof call detected by AddressSanitizer.

Closes #599

Note: My testing occurred against the 1.26 branch
I verified the EPUB from #599 can now be opened with Atril
I verified that AddressSanitizer did not report any memory issues when loading the EPUB