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[trunk] Import patch from sumatrapdf team. This handle testcase 1851.pdf.SIGSEGV.ce9.948 

Update issue 225
This commit is contained in:
Mathieu Malaterre 2014-02-26 11:25:27 +00:00
parent 4a7ba87d99
commit 37a8d2acc1
1 changed files with 6 additions and 0 deletions
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6
src/lib/openjp2/jp2.c
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@ -1819,6 +1819,12 @@ OPJ_BOOL opj_jp2_read_header_procedure( opj_jp2_t *jp2,
opj_free(l_current_data); opj_free(l_current_data);
return OPJ_FALSE; return OPJ_FALSE;
} }
/* testcase 1851.pdf.SIGSEGV.ce9.948 */
else if (box.length < l_nb_bytes_read) {
opj_event_msg(p_manager, EVT_ERROR, "invalid box size %d (%x)\n", box.length, box.type);
opj_free(l_current_data);
return OPJ_FALSE;
}
l_current_handler = opj_jp2_find_handler(box.type); l_current_handler = opj_jp2_find_handler(box.type);
l_current_data_size = box.length - l_nb_bytes_read; l_current_data_size = box.length - l_nb_bytes_read;