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Posted to dev@orc.apache.org by "Quanlong Huang (Jira)" <ji...@apache.org> on 2020/01/15 23:47:00 UTC
[jira] [Created] (ORC-590) Crash in orc::RleDecoderV2::readByte
Quanlong Huang created ORC-590:
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Summary: Crash in orc::RleDecoderV2::readByte
Key: ORC-590
URL: https://issues.apache.org/jira/browse/ORC-590
Project: ORC
Issue Type: Bug
Components: C++
Reporter: Quanlong Huang
Attachments: RleDecoderV2_next_crash.orc
Hit a crash when reading a corrupt file.
{code}
(gdb) bt
#0 0x00000000006108ad in orc::RleDecoderV2::readByte (this=0xd5a0d0) at /home/quanlong/workspace/orc/c++/src/RLEv2.hh:167
#1 orc::RleDecoderV2::next (this=0xd5a0d0, data=0xd5a1d8, numValues=30, notNull=0x0) at /home/quanlong/workspace/orc/c++/src/RleDecoderV2.cc:119
#2 0x00000000005f6b8c in orc::StringDictionaryColumnReader::StringDictionaryColumnReader (this=this@entry=0xb497a0, type=..., stripe=...) at /home/quanlong/workspace/orc/c++/src/ColumnReader.cc:581
#3 0x00000000005f70bb in orc::buildReader (type=..., stripe=...) at /home/quanlong/workspace/orc/c++/src/ColumnReader.cc:1756
#4 0x00000000005f722b in orc::StructColumnReader::StructColumnReader (this=this@entry=0xb07e40, type=..., stripe=...) at /home/quanlong/workspace/orc/c++/src/ColumnReader.cc:876
#5 0x00000000005f701b in orc::buildReader (type=..., stripe=...) at /home/quanlong/workspace/orc/c++/src/ColumnReader.cc:1787
#6 0x000000000059fd18 in orc::RowReaderImpl::startNextStripe (this=0xae2750) at /home/quanlong/workspace/orc/c++/src/Reader.cc:917
#7 0x00000000005a016a in orc::RowReaderImpl::next (this=0xae2750, data=...) at /home/quanlong/workspace/orc/c++/src/Reader.cc:932
#8 0x0000000000597a78 in scanFile (out=..., filename=<optimized out>, batchSize=batchSize@entry=1024) at /home/quanlong/workspace/orc/tools/src/FileScan.cc:39
#9 0x00000000005972f8 in main (argc=1, argv=<optimized out>) at /home/quanlong/workspace/orc/tools/src/FileScan.cc:84
(gdb) l
162
163 unsigned char readByte() {
164 if (bufferStart == bufferEnd) {
165 int bufferLength;
166 const void* bufferPointer;
167 if (!inputStream->Next(&bufferPointer, &bufferLength)) {
168 throw ParseError("bad read in RleDecoderV2::readByte");
169 }
170 bufferStart = static_cast<const char*>(bufferPointer);
171 bufferEnd = bufferStart + bufferLength;
{code}
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