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https://issues.apache.org/jira/browse/AVRO-4248?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18075569#comment-18075569
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Andrew Pilloud commented on AVRO-4248:
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I believe this is purely a sanitizer issue on x86, it might be a crash on other
architectures but I don't have any examples.
> ASAN misaligned address in BufferDetail.hh
> ------------------------------------------
>
> Key: AVRO-4248
> URL: https://issues.apache.org/jira/browse/AVRO-4248
> Project: Apache Avro
> Issue Type: Bug
> Components: c++
> Affects Versions: 1.8.0
> Reporter: Andrew Pilloud
> Priority: Trivial
> Labels: pull-request-available
> Time Spent: 10m
> Remaining Estimate: 0h
>
> We're on a really old version of Avro, but this appears to still exist at
> head.
> avro/api/buffer/detail/BufferDetail.hh:355:13: runtime error: store to
> misaligned address 0x7d5a4dde650f for type 'long', which requires 8 byte
> alignment
> 0x7d5a4dde650f: note: pointer points here
> 72 22 00 04 ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab ab
> ab ab ab ab ab ab ab ab
> ^
> #0 0x7f4b2c7b93bf in void avro::detail::BufferImpl::writeTo<long>(long,
> boost::integral_constant<bool, true> const&)
> avro/api/buffer/detail/BufferDetail.hh:355:78
> #1 0x7f4b2c7b40d1 in writeTo<long> avro/api/buffer/Buffer.hh:141:17
> #2 0x7f4b2c7b40d1 in writeValue avro/api/Writer.hh:90:17
> #3 0x7f4b2c7b40d1 in writeDouble avro/api/Serializer.hh:71:17
> #4 0x7f4b2c7b40d1 in void
> TestSchema::writeEncoding<avro::Serializer<avro::WriterImpl<avro::NullValidator>>>(avro::Serializer<avro::WriterImpl<avro::NullValidator>>&,
> int) third_party/avro/test/unittest.cc:245:11
> #5 0x7f4b2c79e8d9 in TestSchema::printEncoding()
> avro/test/unittest.cc:278:9
> #6 0x7f4b2c73637c in TestSchema::test() avro/test/unittest.cc:545:9
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