From 27f73183e27b765278b5f41dccd0efdb1a67d5cc Mon Sep 17 00:00:00 2001
From: Glenn Song <43005495+glennsong09@users.noreply.github.com>
Date: Tue, 12 Mar 2024 14:01:23 -0500
Subject: Initialize selection type in chunk struct (#4087)

---
 src/H5Dchunk.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/H5Dchunk.c b/src/H5Dchunk.c
index 173f390..415a57e 100644
--- a/src/H5Dchunk.c
+++ b/src/H5Dchunk.c
@@ -1060,6 +1060,10 @@ H5D__chunk_io_init(H5D_io_info_t *io_info, H5D_dset_io_info_t *dinfo)
     fm->single_space      = NULL;
     fm->single_piece_info = NULL;
 
+    /* Initialize selection type in memory and file */
+    fm->msel_type = H5S_SEL_ERROR;
+    fm->fsel_type = H5S_SEL_ERROR;
+
     /* Check if the memory space is scalar & make equivalent memory space */
     if ((sm_ndims = H5S_GET_EXTENT_NDIMS(dinfo->mem_space)) < 0)
         HGOTO_ERROR(H5E_DATASPACE, H5E_CANTGET, FAIL, "unable to get dimension number");
-- 
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