Michael Semb Wever created CASSANDRA-17813:
----------------------------------------------

             Summary: Scrub/Compaction throws "AssertionError: Illegal bounds 
…", reads throws "IllegalArgumentException: Unable to seek to position … in 
read-only mode"
                 Key: CASSANDRA-17813
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-17813
             Project: Cassandra
          Issue Type: Bug
          Components: Local/SSTable
            Reporter: Michael Semb Wever


Compactions and scrub fail with
{noformat}
java.lang.AssertionError: Illegal bounds [1698255698..792484184); size: 
1039216223
        at org.apache.cassandra.io.util.Memory.checkBounds(Memory.java:345)
        at org.apache.cassandra.io.util.Memory.setByteBuffer(Memory.java:420)
        at 
org.apache.cassandra.io.sstable.IndexSummary.fillTemporaryKey(IndexSummary.java:164)
        at 
org.apache.cassandra.io.sstable.IndexSummary.binarySearch(IndexSummary.java:121)
        at 
org.apache.cassandra.io.sstable.format.SSTableReader.getIndexScanPosition(SSTableReader.java:1268)
        at 
org.apache.cassandra.io.sstable.format.big.BigTableScanner.seekToCurrentRangeStart(BigTableScanner.java:202)
        at 
org.apache.cassandra.io.sstable.format.big.BigTableScanner.access$400(BigTableScanner.java:52)
        at 
org.apache.cassandra.io.sstable.format.big.BigTableScanner$KeyScanningIterator.computeNext(BigTableScanner.java:329)
        at 
org.apache.cassandra.io.sstable.format.big.BigTableScanner$KeyScanningIterator.computeNext(BigTableScanner.java:306)
        at 
org.apache.cassandra.utils.AbstractIterator.hasNext(AbstractIterator.java:47)
        at 
org.apache.cassandra.io.sstable.format.big.BigTableScanner.hasNext(BigTableScanner.java:285)
        at 
org.apache.cassandra.utils.MergeIterator$OneToOne.computeNext(MergeIterator.java:463)
        at 
org.apache.cassandra.utils.AbstractIterator.hasNext(AbstractIterator.java:47)
        at 
org.apache.cassandra.db.partitions.UnfilteredPartitionIterators$2.hasNext(UnfilteredPartitionIterators.java:163)
        at 
org.apache.cassandra.db.transform.BasePartitions.hasNext(BasePartitions.java:92)
        at 
org.apache.cassandra.db.compaction.CompactionIterator.hasNext(CompactionIterator.java:238)
        at 
org.apache.cassandra.db.compaction.CompactionTask.runMayThrow(CompactionTask.java:199)
{noformat}

and reads fail with
{noformat}
java.lang.IllegalArgumentException: Unable to seek to position 
3366498330815836469 in …/md-120354-big-Index.db (133472342807 bytes) in 
read-only mode
 at 
org.apache.cassandra.io.util.RandomAccessReader.seek(RandomAccessReader.java:205)
 ~[apache-cassandra-3.11.6.jar:3.11.6]
 at org.apache.cassandra.io.util.FileHandle.createReader(FileHandle.java:150) 
~[apache-cassandra-3.11.6.jar:3.11.6]
 at 
org.apache.cassandra.io.sstable.format.big.BigTableReader.getPosition(BigTableReader.java:207)
 ~[apache-cassandra-3.11.6.jar:3.11.6]
 at 
org.apache.cassandra.io.sstable.format.SSTableReader.getPosition(SSTableReader.java:1586)
 ~[apache-cassandra-3.11.6.jar:3.11.6]
 at 
org.apache.cassandra.io.sstable.format.big.BigTableReader.iterator(BigTableReader.java:64)
 ~[apache-cassandra-3.11.6.jar:3.11.6]
 at 
org.apache.cassandra.db.rows.UnfilteredRowIteratorWithLowerBound.initializeIterator(UnfilteredRowIteratorWithLowerBound.java:108)
 ~[apache-cassandra-3.11.6.jar:3.11.6]
 at 
org.apache.cassandra.db.rows.LazilyInitializedUnfilteredRowIterator.maybeInit(LazilyInitializedUnfilteredRowIterator.java:48)
 ~[apache-cassandra-3.11.6.jar:3.11.6]
 at 
org.apache.cassandra.db.rows.LazilyInitializedUnfilteredRowIterator.partitionLevelDeletion(LazilyInitializedUnfilteredRowIterator.java:81)
 ~[apache-cassandra-3.11.6.jar:3.11.6]
 at 
org.apache.cassandra.db.rows.UnfilteredRowIteratorWithLowerBound.partitionLevelDeletion(UnfilteredRowIteratorWithLowerBound.java:170)
 ~[apache-cassandra-3.11.6.jar:3.11.6]
 at 
org.apache.cassandra.db.SinglePartitionReadCommand.queryMemtableAndDiskInternal(SinglePartitionReadCommand.java:767)
 ~[apache-cassandra-3.11.6.jar:3.11.6]
 at 
org.apache.cassandra.db.SinglePartitionReadCommand.queryMemtableAndDisk(SinglePartitionReadCommand.java:670)
 ~[apache-cassandra-3.11.6.jar:3.11.6]
 at 
org.apache.cassandra.db.SinglePartitionReadCommand.getThroughCache(SinglePartitionReadCommand.java:581)
 ~[apache-cassandra-3.11.6.jar:3.11.6]
 at 
org.apache.cassandra.db.SinglePartitionReadCommand.queryStorage(SinglePartitionReadCommand.java:503)
 ~[apache-cassandra-3.11.6.jar:3.11.6]
 at org.apache.cassandra.db.ReadCommand.executeLocally(ReadCommand.java:423) 
~[apache-cassandra-3.11.6.jar:3.11.6]
 at 
org.apache.cassandra.db.ReadCommandVerbHandler.doVerb(ReadCommandVerbHandler.java:48)
 ~[apache-cassandra-3.11.6.jar:3.11.6]
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