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  1. JDK
  2. JDK-8323702

SIGSEGV in {jbyte,jshort,jint}_disjoint_arraycopy

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    Description

      ADDITIONAL SYSTEM INFORMATION :
      OS:PRETTY_NAME="Debian GNU/Linux 11 (bullseye)"
      uname:Linux 5.10.0-26-amd64 #1 SMP Debian 5.10.197-1+ntap0 (2023-10-12) x86_64

      CPU:total 80 (initial active 80) (20 cores per cpu, 2 threads per core) family 6 model 85 stepping 4 microcode 0x2006b06, cmov, cx8, fxsr, mmx, sse, sse2, sse3, ssse3, sse4.1, sse4.2, popcnt, avx, avx2, aes, clmul, erms, rtm, 3dnowpref, lzcnt, ht, tsc, tscinvbit, bmi1, bmi2, adx, fma
      CPU Model and flags from /proc/cpuinfo:
      model name : Intel(R) Xeon(R) Gold 6148 CPU @ 2.40GHz
      flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc art arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid dca sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch cpuid_fault epb cat_l3 cdp_l3 invpcid_single intel_ppin ssbd mba ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid ept_ad fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm cqm mpx rdt_a avx512f avx512dq rdseed adx smap clflushopt clwb intel_pt avx512cd avx512bw avx512vl xsaveopt xsavec xgetbv1 xsaves cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local dtherm ida arat pln pts hwp hwp_act_window hwp_epp hwp_pkg_req pku ospke md_clear flush_l1d

      Memory: 4k page, physical 194787284k(13977732k free), swap 0k(0k free)

      vm_info: OpenJDK 64-Bit Server VM (11.0.21+9) for linux-amd64 JRE (11.0.21+9), built on Oct 17 2023 21:44:42 by "" with gcc 7.5.0
      # JRE version: OpenJDK Runtime Environment Temurin-11.0.21+9 (11.0.21+9) (build 11.0.21+9)
      # Java VM: OpenJDK 64-Bit Server VM Temurin-11.0.21+9 (11.0.21+9, mixed mode, tiered, compressed oops, g1 gc, linux-amd64)

      A DESCRIPTION OF THE PROBLEM :
      Testing of a custom preview release of Cassandra on JDK 11 performed by our customer is crashing every 1-2 hours with SIGSEGV in one of jbyte_disjoint_arraycopy (most frequently), jshort_disjoint_arraycopy, or jint_disjoint_arraycopy (least frequently).

      Since no other frames are reported in the stack in the hs_err file than the problematic one, we have not been able to find out which code triggers this problem. We do however know that the same JDK worked with a previous preview build, and are working on bisecting the changes in Cassandra to discover what is triggering this issue.

      The most similar prior issue we have been able to find is https://bugs.openjdk.org/browse/JDK-8255039, which was resolved by https://bugs.openjdk.org/browse/JDK-8254790. But since that fix should be present in the JVM version we are using, this appears to be a different issue.


      FREQUENCY : often


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              webbuggrp Webbug Group
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