From 5f3470fcd0f6b4e8be178b3c18c03de21fd29012 Mon Sep 17 00:00:00 2001
From: Mathieu Malaterre <mathieu.malaterre@gmail.com>
Date: Wed, 26 Feb 2014 11:14:27 +0000
Subject: [PATCH] [trunk] Import patch from sumatrapdf team. This handle
 testcase 3635.pdf.asan.77.2930 Update issue 225

---
 src/lib/openjp2/j2k.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/lib/openjp2/j2k.c b/src/lib/openjp2/j2k.c
index 3cdbfcef..5bbad1b9 100644
--- a/src/lib/openjp2/j2k.c
+++ b/src/lib/openjp2/j2k.c
@@ -4481,6 +4481,14 @@ static OPJ_BOOL opj_j2k_read_rgn (opj_j2k_t *p_j2k,
         };
 #endif /* USE_JPWL */
 
+        /* testcase 3635.pdf.asan.77.2930 */
+        if (l_comp_room >= l_nb_comp) {
+                opj_event_msg(p_manager, EVT_ERROR,
+                        "JPWL: bad component number in RGN (%d when there are only %d)\n",
+                        l_comp_room, l_nb_comp);
+                return OPJ_FALSE;
+        }
+
         opj_read_bytes(p_header_data,(OPJ_UINT32 *) (&(l_tcp->tccps[l_comp_no].roishift)),1);   /* SPrgn */
         ++p_header_data;