shithub: jbig2

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jbig2dec: Initialize entire page structure upon allocation.

Without this uninitialized values in the page structure will be
used when parsing segments. An example of this is in
jbig2_immediate_generic_region() when a the height of the page is
used to determine if the region is outside of the page.

--- a/jbig2.c

+++ b/jbig2.c

@@ -150,6 +150,14 @@

         for (index = 0; index < result->max_page_index; index++) {

             result->pages[index].state = JBIG2_PAGE_FREE;

             result->pages[index].number = 0;

+            result->pages[index].width = 0;

+            result->pages[index].height = 0xffffffff;

+            result->pages[index].x_resolution = 0;

+            result->pages[index].y_resolution = 0;

+            result->pages[index].stripe_size = 0;

+            result->pages[index].striped = 0;

+            result->pages[index].end_row = 0;

+            result->pages[index].flags = 0;

             result->pages[index].image = NULL;

         }

     }