On Thu, 15 Feb 2024 11:13:17 GMT, Daniel Jeliński <djelin...@openjdk.org> wrote:
> The reported leak was caused by the death of the `Cleanup-SunPKCS11` thread. > The cleanup thread in turn died because of an exception thrown from > `removeNativeKey` that resulted from 2 threads executing that method at the > same time. > > This PR adds a reachabilityFence to ensure that the key will only be enqueued > for cleanup after the user thread is done with the `removeNativeKey` call. > > No new regression test; the issue is extremely hard to reproduce in a > reasonable time. Existing tier1-3 tests continue to pass. > > In JBS I attached a PoC patch that changes the relative timing of operations; > with that patch and without the changes from this PR I am able to reproduce > the issue within a few seconds. With the changes from this PR the issue did > not reproduce after 10 minutes of testing. This pull request has now been integrated. Changeset: ec9437db Author: Daniel Jeliński <djelin...@openjdk.org> URL: https://git.openjdk.org/jdk/commit/ec9437dbcc242b62e3b099dd05b129760419f025 Stats: 7 lines in 1 file changed: 5 ins; 0 del; 2 mod 8325247: Memory leak in SessionKeyRef class def when using PKCS11 security provider Reviewed-by: valeriep ------------- PR: https://git.openjdk.org/jdk/pull/17870