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[1.5] Check the number of tiles

This commit is contained in:
Mathieu Malaterre 2014-03-18 14:19:21 +00:00
parent 910af7edec
commit 6e0162a8a6
1 changed files with 9 additions and 0 deletions
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9
libopenjpeg/j2k.c
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@ -549,6 +549,15 @@ static void j2k_read_siz(opj_j2k_t *j2k) {
cp->tw = int_ceildiv(image->x1 - cp->tx0, cp->tdx); cp->tw = int_ceildiv(image->x1 - cp->tx0, cp->tdx);
cp->th = int_ceildiv(image->y1 - cp->ty0, cp->tdy); cp->th = int_ceildiv(image->y1 - cp->ty0, cp->tdy);
/* gdal_fuzzer_check_number_of_tiles.jp2 */
if (cp->tw == 0 || cp->th == 0 || cp->tw > 65535 / cp->th) {
opj_event_msg(j2k->cinfo, EVT_ERROR,
"Invalid number of tiles : %u x %u (maximum fixed by jpeg2000 norm is 65535 tiles)\n",
cp->tw, cp->th);
return;
}
#ifdef USE_JPWL #ifdef USE_JPWL
if (j2k->cp->correct) { if (j2k->cp->correct) {
/* if JPWL is on, we check whether TX errors have damaged /* if JPWL is on, we check whether TX errors have damaged