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  1. IMPALA
  2. IMPALA-7288

Codegen crash in FinalizeModule()

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    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Blocker
    • Resolution: Fixed
    • Affects Version/s: Impala 2.12.0, Impala 3.1.0
    • Fix Version/s: Impala 2.13.0, Impala 3.1.0
    • Component/s: Backend
    • Labels:
      None
    • Epic Color:
      ghx-label-5

      Description

      The following sequence crashes Impala 2.12 reliably:

      CREATE TABLE test (c1 CHAR(6),c2 CHAR(6));
      select 1 from test t1, test t2
      where t1.c1 = FROM_TIMESTAMP(cast(t2.c2 as string), 'yyyyMMdd');
      

      hs_err_pid has:

      #
      # A fatal error has been detected by the Java Runtime Environment:
      #
      #  SIGSEGV (0xb) at pc=0x0000000003b36ce4, pid=28459, tid=0x00007f2c49685700
      #
      # JRE version: Java(TM) SE Runtime Environment (8.0_162-b12) (build 1.8.0_162-b12)
      # Java VM: Java HotSpot(TM) 64-Bit Server VM (25.162-b12 mixed mode linux-amd64 compressed oops)
      # Problematic frame:
      # C  [impalad+0x3736ce4]  llvm::Value::getContext() const+0x4
      

      Backtrace is:

      #0  0x00007f2cb217a5f7 in raise () from /lib64/libc.so.6
      #1  0x00007f2cb217bce8 in abort () from /lib64/libc.so.6
      #2  0x00007f2cb4de2f35 in os::abort(bool) () from /usr/java/latest/jre/lib/amd64/server/libjvm.so
      #3  0x00007f2cb4f86f33 in VMError::report_and_die() () from /usr/java/latest/jre/lib/amd64/server/libjvm.so
      #4  0x00007f2cb4de922f in JVM_handle_linux_signal () from /usr/java/latest/jre/lib/amd64/server/libjvm.so
      #5  0x00007f2cb4ddf253 in signalHandler(int, siginfo*, void*) () from /usr/java/latest/jre/lib/amd64/server/libjvm.so
      #6  <signal handler called>
      #7  0x0000000003b36ce4 in llvm::Value::getContext() const ()
      #8  0x0000000003b36cff in llvm::Value::getValueName() const ()
      #9  0x0000000003b36de9 in llvm::Value::getName() const ()
      #10 0x0000000001ba6bb2 in impala::LlvmCodeGen::FinalizeModule (this=0x9b53980)
          at /usr/src/debug/impala-2.12.0-cdh5.15.0/be/src/codegen/llvm-codegen.cc:1076
      #11 0x00000000018f5c0f in impala::FragmentInstanceState::Open (this=0xac0b400)
          at /usr/src/debug/impala-2.12.0-cdh5.15.0/be/src/runtime/fragment-instance-state.cc:255
      #12 0x00000000018f3699 in impala::FragmentInstanceState::Exec (this=0xac0b400)
          at /usr/src/debug/impala-2.12.0-cdh5.15.0/be/src/runtime/fragment-instance-state.cc:80
      #13 0x00000000019028c3 in impala::QueryState::ExecFInstance (this=0x9c6ad00, fis=0xac0b400)
          at /usr/src/debug/impala-2.12.0-cdh5.15.0/be/src/runtime/query-state.cc:410
      #14 0x000000000190113c in impala::QueryState::<lambda()>::operator()(void) const (__closure=0x7f2c49684be8)
          at /usr/src/debug/impala-2.12.0-cdh5.15.0/be/src/runtime/query-state.cc:350
      #15 0x00000000019034dd in boost::detail::function::void_function_obj_invoker0<impala::QueryState::StartFInstances()::<lambda()>, void>::invoke(boost::detail::function::function_buffer &) (function_obj_ptr=...)
          at /usr/src/debug/impala-2.12.0-cdh5.15.0/toolchain/boost-1.57.0-p3/include/boost/function/function_template.hpp:153
      

      Crash is at https://github.com/cloudera/Impala/blob/cdh5-2.12.0_5.15.0/be/src/codegen/llvm-codegen.cc#L1070-L1079.
      The repro steps seem to be quite specific.

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            • Assignee:
              bikramjeet.vig Bikramjeet Vig
              Reporter:
              jeszyb Balazs Jeszenszky
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              Dates

              • Created:
                Updated:
                Resolved: