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We are using libvorbis 1.3.5 , specifically with Unreal Engine.

We get a rare hang in _get_prev_page_serial. What we see is that _get_next_page returns OV_EOF on ln245 of vorbisfile.c, which then causes us to break out of the inner loop. The outer loop then seeks back to the beginning, and starts reading again, until we get the OV_EOF again in the inner loop... repeat infinitely.

OV_EOF, and possibly other error codes, should perhaps also return or be somehow handled so that it doesn't result in an infinite loop. I'm also guessing _get_prev_page has the same issue.