[IMPALA-5890] Segmentation fault in ScannerContext::Stream::GetBytesInternal(long, unsigned char**, bool, long*)

• Type: Bug
• Status: Resolved
• Priority: Blocker
• Resolution: Fixed
• Affects Version/s: Impala 2.10.0
• Fix Version/s: Impala 2.11.0
• Component/s: Backend
• Labels: crash regression
• Epic Color: ghx-label-9
• Assignee: Lars Volker
• Reporter: Lars Volker
• Created: 01/Sep/17 19:51
• Updated: 13/Sep/17 14:38
• Resolved: 13/Sep/17 14:32

Description

While investigating IMPALA-5889, I was able to reproducibly crash Impala on latest master. The crash doesn't repro on 2.9 so I suspect it's a regression. I will add reproduction steps shortly.

Issue Links

• is duplicated by: IMPALA-5889 Segmentation fault in ScannerContext::Stream::GetBytesInternal(long, unsigned char**, bool, long*)
• is related to: IMPALA-5922 Scanners should include file and offset information in errors
• is related to: IMPALA-5916 Add truncating files to test_scanners_fuzz.py
• is related to: IMPALA-5914 Remove defensive nullptr check in ScannerContext::Stream::GetNextBuffer()
• is related to: IMPALA-5915 Make all errors coming out of the IoMgr identifiable
• relates to: IMPALA-4223 Avro scanner can crash when HDFS seek fails
• relates to: IMPALA-5889 Segmentation fault in ScannerContext::Stream::GetBytesInternal(long, unsigned char**, bool, long*)