On Wed, 1 Feb 2023 15:13:41 GMT, Matthew Donovan <d...@openjdk.org> wrote:
>> https://bugs.openjdk.org/browse/JDK-8300416 > > test/jdk/java/security/MessageDigest/TestCloneable.java line 95: > >> 93: >> 94: System.out.println(": Shared data check"); >> 95: if (!Arrays.equals(d1.digest(), d2.digest())) { > > If d1 and d2 don't share memory and each thread processes random bytes, how > can the digests be equal? In the case where ByteBuffer has allocated a direct buffer, a new internal byte array gets allocated. This is the shared memory that's causing the problem. See MessageDigestSpi.java line 220. Oops got to update the copyright. ------------- PR: https://git.openjdk.org/jdk/pull/12348