diff --git a/fs/hfsplus/unicode.c b/fs/hfsplus/unicode.c
index c8d1b2be7854ea5a829dfe6749121d0a70182903..8e5485859d36236beceaf207020a3cf1ac28e6b2 100644
--- a/fs/hfsplus/unicode.c
+++ b/fs/hfsplus/unicode.c
@@ -132,7 +132,14 @@ int hfsplus_uni2asc(struct super_block *sb,
 
 	op = astr;
 	ip = ustr->unicode;
+
 	ustrlen = be16_to_cpu(ustr->length);
+	if (ustrlen > HFSPLUS_MAX_STRLEN) {
+		ustrlen = HFSPLUS_MAX_STRLEN;
+		pr_err("invalid length %u has been corrected to %d\n",
+			be16_to_cpu(ustr->length), ustrlen);
+	}
+
 	len = *len_p;
 	ce1 = NULL;
 	compose = !test_bit(HFSPLUS_SB_NODECOMPOSE, &HFSPLUS_SB(sb)->flags);