Uploaded image for project: 'JDK'
  1. JDK
  2. JDK-8288139

JavaThread touches oop after GC barrier is detached

    XMLWordPrintable

Details

    • b28
    • Verified

    Backports

      Description

        Similar to JDK-8286830, JavaThread touches oop after GC barrier is detached. This time in SharedRuntime::get_java_tid() call, where it tries to resolve JavaThread::_threadObj.

        #21 OopHandle::resolve (this=0x7f2828ee4ee0) at /home/zhengyu/ws/jdk/src/hotspot/share/oops/oopHandle.inline.hpp:34
        #22 JavaThread::threadObj (this=this@entry=0x7f27bcc75240) at /home/zhengyu/ws/jdk/src/hotspot/share/runtime/thread.cpp:796
        #23 0x00007f2850b38e3c in SharedRuntime::get_java_tid (thread=0x7f27bcc75240)
            at /home/zhengyu/ws/jdk/src/hotspot/share/runtime/thread.hpp:1582
        #24 0x00007f2850e207c5 in ThreadsSMRSupport::remove_thread (thread=thread@entry=0x7f27bcc75240)
            at /home/zhengyu/ws/jdk/src/hotspot/share/runtime/threadSMR.cpp:1005
        #25 0x00007f2850e0ac1c in Threads::remove (p=p@entry=0x7f27bcc75240, is_daemon=is_daemon@entry=false)
            at /home/zhengyu/ws/jdk/src/hotspot/share/runtime/thread.cpp:3605
        #26 0x00007f2850e13937 in JavaThread::exit (this=this@entry=0x7f27bcc75240, destroy_vm=destroy_vm@entry=false,
            exit_type=exit_type@entry=JavaThread::normal_exit) at /home/zhengyu/ws/jdk/src/hotspot/share/runtime/thread.cpp:1540
        #27 0x00007f2850e13f9b in JavaThread::post_run (this=0x7f27bcc75240) at /home/zhengyu/ws/jdk/src/hotspot/share/runtime/thread.cpp:1336
        #28 0x00007f2850e132a1 in Thread::call_run (this=this@entry=0x7f27bcc75240)
            at /home/zhengyu/ws/jdk/src/hotspot/share/runtime/thread.cpp:370
        #29 0x00007f28509baf3c in thread_native_entry (thread=0x7f27bcc75240) at /home/zhengyu/ws/jdk/src/hotspot/os/linux/os_linux.cpp:706
        #30 0x00007f2851690609 in start_thread (arg=<optimized out>) at pthread_create.c:477
        #31 0x00007f28517ec133 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

        Attachments

          Issue Links

            backported by

            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8288918 JavaThread touches oop after GC barrier is detached

            • P2 - Crashes, loss of data, severe memory leak.
            • Resolved

            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8291125 JavaThread touches oop after GC barrier is detached

            • P2 - Crashes, loss of data, severe memory leak.
            • Resolved

            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8291277 JavaThread touches oop after GC barrier is detached

            • P2 - Crashes, loss of data, severe memory leak.
            • Resolved
            blocks

            Bug - A problem which impairs or prevents the functions of the product. JDK-8288129 Shenandoah: Skynet test crashed with iu + aggressive

            • P3 - Major loss of function.
            • Resolved
            duplicates

            Bug - A problem which impairs or prevents the functions of the product. JDK-8283898 Shenandoah: Crash with thread SATB queue has an unexpected active state

            • P3 - Major loss of function.
            • Closed
            relates to

            Bug - A problem which impairs or prevents the functions of the product. JDK-8289091 move oop safety check from SharedRuntime::get_java_tid() to JavaThread::threadObj()

            • P3 - Major loss of function.
            • Resolved

            Enhancement - null JDK-8185005 Improve performance of ThreadMXBean.getThreadInfo(long ids[], int maxDepth)

            • P4 - Minor loss of function, or other problem where easy workaround is present.
            • Resolved

            Enhancement - null JDK-8253180 ZGC: Implementation of JEP 376: ZGC: Concurrent Thread-Stack Processing

            • P4 - Minor loss of function, or other problem where easy workaround is present.
            • Resolved

            Enhancement - null JDK-8289004 investigate if SharedRuntime::get_java_tid parameter should be a JavaThread*

            • P4 - Minor loss of function, or other problem where easy workaround is present.
            • Resolved

            Bug - A problem which impairs or prevents the functions of the product. JDK-8283898 Shenandoah: Crash with thread SATB queue has an unexpected active state

            • P3 - Major loss of function.
            • Closed
            links to

            Commit Commit openjdk/jdk19/a1449886

            Review Review openjdk/jdk17u-dev/1515

            Review Review openjdk/jdk19/21

            Activity

              People

                dcubed Daniel Daugherty
                zgu Zhengyu Gu
                Votes:
                0 Vote for this issue
                Watchers:
                9 Start watching this issue

                Dates

                  Created:
                  Updated:
                  Resolved: