[ 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. -- This message was sent by Atlassian JIRA (v6.4.14#64029)