[jdk13u-dev] Integrated: 8212160: JVMTI agent crashes with "assert(_value != 0LL) failed: resolving NULL _value"

[Ekaterina Vergizova]

On Mon, 25 Jan 2021 11:37:12 GMT, Ekaterina Vergizova <evergizova at openjdk.org> wrote:

> I'd like to backport 8212160 to 13u for parity with 11u.
> The patch doesn't apply cleanly due to minor context differences in nmethod.cpp and serviceThread.cpp (JDK-8235273 and JDK-8170299 are not in 13u), reapplied manually.
> Tested with tier1 and other jvmti tests.
> Follow-up fixes JDK-8235456 and JDK-8236124 are planned to be backported as well.

This pull request has now been integrated.

Changeset: 5c15783b
Author:    Ekaterina Vergizova <evergizova at openjdk.org>
Committer: Yuri Nesterenko <yan at openjdk.org>
URL:       https://git.openjdk.java.net/jdk13u-dev/commit/5c15783b
Stats:     330 lines in 15 files changed: 239 ins; 33 del; 58 mod

8212160: JVMTI agent crashes with "assert(_value != 0LL) failed: resolving NULL _value"

Add local deferred event list to thread to post events outside CodeCache_lock.

Reviewed-by: yan
Backport-of: 8846a8043d1137ab1aeee3a4304d5fa02c9431ad

-------------

PR: https://git.openjdk.java.net/jdk13u-dev/pull/87