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additional test to avoid crash due to invalid image size, patch by Christopher Layne

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Antonin Descampe 2008-05-22 12:34:29 +00:00
parent 65e5ff0fb4
commit f4d394d932
2 changed files with 10 additions and 0 deletions
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3
ChangeLog
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@ -5,6 +5,9 @@ What's New for OpenJPEG
! : changed ! : changed
+ : added + : added
May 22, 2008
* [antonin] additional test to avoid crash due to invalid image size, patch by Christopher Layne
May 20, 2008 May 20, 2008
* [antonin] memory leak fixed in openjpeg.c (opj_destroy_cstr_info()), patch by Carsten Juttner * [antonin] memory leak fixed in openjpeg.c (opj_destroy_cstr_info()), patch by Carsten Juttner

7
libopenjpeg/j2k.c
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@ -467,6 +467,13 @@ static void j2k_read_siz(opj_j2k_t *j2k) {
cp->tx0 = cio_read(cio, 4); /* XT0siz */ cp->tx0 = cio_read(cio, 4); /* XT0siz */
cp->ty0 = cio_read(cio, 4); /* YT0siz */ cp->ty0 = cio_read(cio, 4); /* YT0siz */
if ((image->x0<0)||(image->x1<0)||(image->y0<0)||(image->y1<0)) {
opj_event_msg(j2k->cinfo, EVT_ERROR,
"%s: invalid image size (x0:%d, x1:%d, y0:%d, y1:%d)\n",
image->x0,image->x1,image->y0,image->y1);
return;
}
image->numcomps = cio_read(cio, 2); /* Csiz */ image->numcomps = cio_read(cio, 2); /* Csiz */
#ifdef USE_JPWL #ifdef USE_JPWL