[jira] [Resolved] (IMPALA-5813) AddressSanitizer does not always give a usable backtrace

["Tim Armstrong (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IMPALA-5813?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tim Armstrong resolved IMPALA-5813.
-----------------------------------
    Resolution: Won't Fix

I think this was just a side-effect of codegen.

> AddressSanitizer does not always give a usable backtrace
> --------------------------------------------------------
>
>                 Key: IMPALA-5813
>                 URL: https://issues.apache.org/jira/browse/IMPALA-5813
>             Project: IMPALA
>          Issue Type: Bug
>          Components: Infrastructure
>    Affects Versions: Impala 2.10.0
>            Reporter: Tim Armstrong
>            Priority: Minor
>
> In some cases I'm not getting a usable backtrace:
> {code}
> ==31149==ERROR: AddressSanitizer: use-after-poison on address 0x7f84f99cf87f at pc 0x0000010219cf bp 0x7f861e3023b0 sp 0x7f861e301b60
> READ of size 10 at 0x7f84f99cf87f thread T1986
>     #0 0x10219ce in __interceptor_memcmp /data/jenkins/workspace/verify-impala-toolchain-package-build/label/ec2-package-ubuntu-16-04/toolchain/source/llvm/llvm-3.8.0.src-p1/projects/compiler-rt/lib/asan/../sanitizer_common/sanitizer_common_interceptors.inc:418
>     #1 0x7f86bbfa012b  (<unknown module>)
> {code}
> This makes it hard to debug the problem.
> One workaround is to disable codegen.



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