git: openjdk/jdk21u-dev: master: 8226919: attach in linux hangs due to permission denied accessing /proc/pid/root

[Goetz Lindenmaier]

Changeset: c70ef074
Branch: master
Author:    Goetz Lindenmaier <goetz at openjdk.org>
Date:      2025-07-03 13:28:28 +0000
URL:       https://git.openjdk.org/jdk21u-dev/commit/c70ef07456028d40cdfc14300e2c947d4d97c26f

8226919: attach in linux hangs due to permission denied accessing /proc/pid/root

Backport-of: ac4607ed81eb75f43e7d1062e38506972738d086

! src/jdk.attach/linux/classes/sun/tools/attach/VirtualMachineImpl.java