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  1. JDK
  2. JDK-8320253

G1: SIGSEGV in G1ParScanThreadState::trim_queue_to_threshold

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    • gc
    • x86_64
    • os_x

      The following test failed in the JDK22 CI:

      jdk/jshell/T8146368/JShellToolTest8146368.java

      Here's a snippet from the log file:

      #section:testng
      ----------messages:(7/412)----------
      command: testng -Duser.language=ja JShellToolTest8146368
      reason: User specified action: run testng/othervm -Duser.language=ja JShellToolTest8146368
      started: Thu Nov 16 14:23:31 GMT 2023
      Mode: othervm [/othervm specified]
      Additional options from @modules: --add-modules jdk.jshell --add-exports jdk.jshell/jdk.internal.jshell.tool=ALL-UNNAMED
      finished: Thu Nov 16 14:23:33 GMT 2023
      elapsed time (seconds): 1.853
      ----------configuration:(4/127)----------
      Boot Layer
        add modules: jdk.jshell
        add exports: jdk.jshell/jdk.internal.jshell.tool ALL-UNNAMED

      ----------System.out:(19/1071)----------
      config ReplToolTesting.setUp(): success
      #
      # A fatal error has been detected by the Java Runtime Environment:
      #
      # SIGSEGV (0xb) at pc=0x00000001164c67f0, pid=97094, tid=28675
      #
      # JRE version: Java(TM) SE Runtime Environment (22.0+25) (build 22-ea+25-1931)
      # Java VM: Java HotSpot(TM) 64-Bit Server VM (22-ea+25-1931, mixed mode, sharing, tiered, compressed oops, compressed class ptrs, g1 gc, bsd-amd64)
      # Problematic frame:
      # V [libjvm.dylib+0x4c67f0] G1ParScanThreadState::trim_queue_to_threshold(unsigned int)+0x460
      #
      # Core dump will be written. Default location: core.97094
      #
      # An error report file with more information is saved as:
      # /System/Volumes/Data/mesos/work_dir/slaves/0db9c48f-6638-40d0-9a4b-bd9cc7533eb8-S13851/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/1b96e9cb-7ed3-44b9-b553-8a9e56dcfb36/runs/91398d12-5635-463e-9fd6-caf2a48692d0/testoutput/test-support/jtreg_open_test_langtools_tier1/scratch/1/hs_err_pid97094.log
      #
      # If you would like to submit a bug report, please visit:
      # https://bugreport.java.com/bugreport/crash.jsp
      #
      ----------System.err:(0/0)----------
      ----------rerun:(37/8767)*----------

      Here's the crashing thread's stack:

      --------------- T H R E A D ---------------

      Current thread (0x00007fec4785f770): WorkerThread "GC Thread#7" [id=28675, stack(0x0000700006e05000,0x0000700006f05000) (1024K)]

      Stack: [0x0000700006e05000,0x0000700006f05000], sp=0x0000700006f04b70, free space=1022k
      Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
      V [libjvm.dylib+0x4c67f0] G1ParScanThreadState::trim_queue_to_threshold(unsigned int)+0x460
      V [libjvm.dylib+0x4d4542] G1ScanHRForRegionClosure::scan_memregion(unsigned int, MemRegion)+0xd2
      V [libjvm.dylib+0x4d43a3] void G1ScanHRForRegionClosure::ChunkScanner::on_dirty_cards<G1ScanHRForRegionClosure::scan_heap_roots(HeapRegion*)::'lambda'(unsigned char*, unsigned char*)>(G1ScanHRForRegionClosure::scan_heap_roots(HeapRegion*)::'lambda'(unsigned char*, unsigned char*)&&)+0x3d3
      V [libjvm.dylib+0x4d3f44] G1ScanHRForRegionClosure::scan_heap_roots(HeapRegion*)+0x124
      V [libjvm.dylib+0x4d3e00] G1ScanHRForRegionClosure::do_heap_region(HeapRegion*)+0x50
      V [libjvm.dylib+0x4d2c86] G1RemSet::scan_heap_roots(G1ParScanThreadState*, unsigned int, G1GCPhaseTimes::GCParPhases, G1GCPhaseTimes::GCParPhases, bool)+0x126
      V [libjvm.dylib+0x4ed768] G1EvacuateRegionsTask::scan_roots(G1ParScanThreadState*, unsigned int)+0x48
      V [libjvm.dylib+0x4ed615] G1EvacuateRegionsBaseTask::work(unsigned int)+0x75
      V [libjvm.dylib+0xb71acc] WorkerThread::run()+0x7c
      V [libjvm.dylib+0xaaee28] Thread::call_run()+0xa8
      V [libjvm.dylib+0x90aeaa] thread_native_entry(Thread*)+0x10a
      C [libsystem_pthread.dylib+0x68fc] _pthread_start+0xe0
      C [libsystem_pthread.dylib+0x2443] thread_start+0xf

      siginfo: si_signo: 11 (SIGSEGV), si_code: 1 (SEGV_MAPERR), si_addr: 0x000000077fe5e5f8

      I'm starting this bug off as a P2 since this is a Tier1 crash.

            Unassigned Unassigned
            dcubed Daniel Daugherty
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              Created:
              Updated:
              Resolved: