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[trunk] Import patch from sumatrapdf team. Add detection for testcase 1802.pdf.SIGSEGV.36e.894 

Update issue 225
This commit is contained in:
Mathieu Malaterre 2014-02-26 11:06:18 +00:00
parent 1dedf7f0cd
commit 4a39ee9bbc
1 changed files with 5 additions and 0 deletions
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5
src/lib/openjp2/t2.c
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@ -983,6 +983,11 @@ OPJ_BOOL opj_t2_read_packet_header( opj_t2_t* p_t2,
do {
l_cblk->segs[l_segno].numnewpasses = opj_int_min(l_cblk->segs[l_segno].maxpasses - l_cblk->segs[l_segno].numpasses, n);
l_cblk->segs[l_segno].newlen = opj_bio_read(l_bio, l_cblk->numlenbits + opj_uint_floorlog2(l_cblk->segs[l_segno].numnewpasses));
/* testcase 1802.pdf.SIGSEGV.36e.894 */
if (l_cblk->segs[l_segno].newlen > *l_modified_length_ptr) {
opj_bio_destroy(l_bio);
return OPJ_FALSE;
}
n -= l_cblk->segs[l_segno].numnewpasses;
if (n > 0) {