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-rw-r--r--src/H5HLcache.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/H5HLcache.c b/src/H5HLcache.c
index 653590d..377bc0f 100644
--- a/src/H5HLcache.c
+++ b/src/H5HLcache.c
@@ -194,6 +194,12 @@ H5HL__hdr_deserialize(H5HL_t *heap, const uint8_t *image, size_t len, H5HL_cache
HGOTO_ERROR(H5E_HEAP, H5E_OVERFLOW, FAIL, "ran off end of input buffer while decoding");
H5F_addr_decode_len(udata->sizeof_addr, &image, &(heap->dblk_addr));
+ /* Check that the datablock address is valid (might not be true
+ * in a corrupt file)
+ */
+ if (!H5_addr_defined(heap->dblk_addr))
+ HGOTO_ERROR(H5E_HEAP, H5E_BADVALUE, FAIL, "bad datablock address");
+
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5HL__hdr_deserialize() */