openjpeg: Prevent a buffer overflow in opj_j2k_read_SQcd_SQcc.

third_party/libopenjpeg20/0016-read_SQcd_SQcc_overflow.patch

Index: third_party/libopenjpeg20/0016-read_SQcd_SQcc_overflow.patch
diff --git a/third_party/libopenjpeg20/0016-read_SQcd_SQcc_overflow.patch b/third_party/libopenjpeg20/0016-read_SQcd_SQcc_overflow.patch
new file mode 100644
index 0000000000000000000000000000000000000000..7b8bfca42f31226483121b5cf5eeadbf99030288
--- /dev/null
+++ b/third_party/libopenjpeg20/0016-read_SQcd_SQcc_overflow.patch
@@ -0,0 +1,15 @@
+diff --git a/third_party/libopenjpeg20/j2k.c b/third_party/libopenjpeg20/j2k.c
+index c7aa8db..b5f6fe9 100644
+--- a/third_party/libopenjpeg20/j2k.c
++++ b/third_party/libopenjpeg20/j2k.c
+@@ -9010,7 +9010,9 @@ static OPJ_BOOL opj_j2k_read_SQcd_SQcc(opj_j2k_t *p_j2k,
+                                 p_j2k->m_specific_param.m_decoder.m_default_tcp;
+ 
+         /* precondition again*/
+-        assert(p_comp_no <  p_j2k->m_private_image->numcomps);
++        if (p_comp_no >=  p_j2k->m_private_image->numcomps) {
++            return OPJ_FALSE;
++        }
+ 
+         l_tccp = &l_tcp->tccps[p_comp_no];
+         l_current_ptr = p_header_data;