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-rw-r--r--src/H5Fsuper.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/H5Fsuper.c b/src/H5Fsuper.c
index 4e4fe8d..6a82a6e 100644
--- a/src/H5Fsuper.c
+++ b/src/H5Fsuper.c
@@ -687,7 +687,9 @@ H5F__super_read(H5F_t *f, H5P_genplist_t *fa_plist, hbool_t initial_read)
/* Sanity check - superblock extension should only be defined for
* superblock version >= 2.
*/
- HDassert(sblock->super_vers >= HDF5_SUPERBLOCK_VERSION_2);
+ if (sblock->super_vers < HDF5_SUPERBLOCK_VERSION_2)
+ HGOTO_ERROR(H5E_FILE, H5E_BADVALUE, FAIL,
+ "invalid superblock - extension message should not be defined for version < 2")
/* Check for superblock extension being located "outside" the stored
* 'eoa' value, which can occur with the split/multi VFD.