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-rw-r--r--src/lib/openjp2/tcd.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/src/lib/openjp2/tcd.c b/src/lib/openjp2/tcd.c
index 56779852..08c5a765 100644
--- a/src/lib/openjp2/tcd.c
+++ b/src/lib/openjp2/tcd.c
@@ -1182,8 +1182,9 @@ static OPJ_BOOL opj_tcd_code_block_enc_allocate_data(opj_tcd_cblk_enc_t *
{
OPJ_UINT32 l_data_size;
- l_data_size = (OPJ_UINT32)((p_code_block->x1 - p_code_block->x0) *
- (p_code_block->y1 - p_code_block->y0) * (OPJ_INT32)sizeof(OPJ_UINT32));
+ /* The +1 is needed for https://github.com/uclouvain/openjpeg/issues/835 */
+ l_data_size = 1 + (OPJ_UINT32)((p_code_block->x1 - p_code_block->x0) *
+ (p_code_block->y1 - p_code_block->y0) * (OPJ_INT32)sizeof(OPJ_UINT32));
if (l_data_size > p_code_block->data_size) {
if (p_code_block->data) {