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-rw-r--r--src/H5Olayout.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/src/H5Olayout.c b/src/H5Olayout.c
index 5f16837..11d5d1c 100644
--- a/src/H5Olayout.c
+++ b/src/H5Olayout.c
@@ -243,9 +243,14 @@ H5O__layout_decode(H5F_t *f, H5O_t H5_ATTR_UNUSED *open_oh,
H5F_addr_decode(f, &p, &(mesg->storage.u.chunk.idx_addr));
/* Chunk dimensions */
- for(u = 0; u < mesg->u.chunk.ndims; u++)
+ for(u = 0; u < mesg->u.chunk.ndims; u++) {
UINT32DECODE(p, mesg->u.chunk.dim[u]);
+ /* Just in case that something goes very wrong, such as file corruption. */
+ if(mesg->u.chunk.dim[u] == 0)
+ HGOTO_ERROR(H5E_DATASET, H5E_BADVALUE, NULL, "chunk dimension must be positive: mesg->u.chunk.dim[%u] = %u", u, mesg->u.chunk.dim[u])
+ }
+
/* Compute chunk size */
for(u = 1, mesg->u.chunk.size = mesg->u.chunk.dim[0]; u < mesg->u.chunk.ndims; u++)
mesg->u.chunk.size *= mesg->u.chunk.dim[u];