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https://issues.apache.org/jira/browse/IMPALA-5031?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16886209#comment-16886209
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ASF subversion and git services commented on IMPALA-5031:
---------------------------------------------------------
Commit a852b9fb749860221d8919ac94efc39115d8a65b in impala's branch
refs/heads/master from Jim Apple
[ https://gitbox.apache.org/repos/asf?p=impala.git;h=a852b9f ]
IMPALA-5031: Out-of-range enums are undefined behavior
This eliminates an out-of-range enum value in the end-to-end
tests. The interesting part of the backtrace is:
exec/parquet/parquet-column-readers.cc:1530:112: runtime error: load
of value 38, which is not a valid value for type 'Encoding::type'
#0 BaseScalarColumnReader::ReadDataPage()
exec/parquet/parquet-column-readers.cc:1530:112
#1 BaseScalarColumnReader::NextPage()
exec/parquet/parquet-column-readers.cc:1769:28
#2 bool ScalarColumnReader<long, (parquet::Type::type)2, true>
::ReadValueBatch<false>(int, int, unsigned char*, int*)
exec/parquet/parquet-column-readers.cc:459:12
#3 ScalarColumnReader<long, (parquet::Type::type)2, true>
::ReadNonRepeatedValueBatch(MemPool*, int, int, unsigned char*,
int*) exec/parquet/parquet-column-readers.cc:106:12
#4 HdfsParquetScanner::AssembleRows(vector<ParquetColumnReader*>
const&, RowBatch*, bool*)
exec/parquet/hdfs-parquet-scanner.cc:1113:42
#5 HdfsParquetScanner::GetNextInternal(RowBatch*)
exec/parquet/hdfs-parquet-scanner.cc:456:19
#6 HdfsParquetScanner::ProcessSplit()
exec/parquet/hdfs-parquet-scanner.cc:353:21
#7 HdfsScanNode::ProcessSplit(vector<FilterContext> const&,
MemPool*, io::ScanRange*, long*) exec/hdfs-scan-node.cc:514:21
#8 HdfsScanNode::ScannerThread(bool, long)
exec/hdfs-scan-node.cc:415:7
#9 HdfsScanNode::ThreadTokenAvailableCb(ThreadResourcePool*)::$_0
::operator()() const exec/hdfs-scan-node.cc:337:13
Change-Id: Ia86de44daaf56a941fb95b15d5dfd7b5a2752129
Reviewed-on: http://gerrit.cloudera.org:8080/13804
Reviewed-by: Impala Public Jenkins <[email protected]>
Tested-by: Impala Public Jenkins <[email protected]>
> UBSAN clean and method for testing UBSAN cleanliness
> ----------------------------------------------------
>
> Key: IMPALA-5031
> URL: https://issues.apache.org/jira/browse/IMPALA-5031
> Project: IMPALA
> Issue Type: Task
> Components: Backend, Infrastructure
> Affects Versions: Impala 2.9.0
> Reporter: Jim Apple
> Assignee: Jim Apple
> Priority: Minor
>
> http://releases.llvm.org/3.8.0/tools/clang/docs/UndefinedBehaviorSanitizer.html
> builds are supported after https://gerrit.cloudera.org/#/c/6186/, but
> Impala's test suite triggers many errors under UBSAN. Those errors should be
> fixed and then there should be a way to run the test suite under UBSAN and
> fail if there were any errors detected.
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