Neil Conway created MESOS-3939:
----------------------------------
Summary: ubsan error in net::IP::create(sockaddr const&):
misaligned address
Key: MESOS-3939
URL: https://issues.apache.org/jira/browse/MESOS-3939
Project: Mesos
Issue Type: Bug
Reporter: Neil Conway
Priority: Minor
Running ubsan from GCC 5.2 on the current Mesos unit tests yields this, among
other problems:
{noformat}
/mesos/3rdparty/libprocess/3rdparty/stout/include/stout/ip.hpp:230:56: runtime
error: reference binding to misaligned address 0x00000199629c for type 'const
struct sockaddr_storage', which requires 8 byte alignment
0x00000199629c: note: pointer points here
00 00 00 00 02 00 00 00 ff ff ff 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00
^
#0 0x5950cb in net::IP::create(sockaddr const&)
(/home/vagrant/build-mesos-ubsan/3rdparty/libprocess/3rdparty/stout-tests+0x5950cb)
#1 0x5970cd in
net::IPNetwork::fromLinkDevice(std::__cxx11::basic_string<char,
std::char_traits<char>, std::allocator<char> > const&, int)
(/home/vagrant/build-mesos-ubsan/3rdparty/libprocess/3rdparty/stout-tests+0x5970cd)
#2 0x58e006 in NetTest_LinkDevice_Test::TestBody()
(/home/vagrant/build-mesos-ubsan/3rdparty/libprocess/3rdparty/stout-tests+0x58e006)
#3 0x85abd5 in void
testing::internal::HandleSehExceptionsInMethodIfSupported<testing::Test,
void>(testing::Test*, void (testing::Test::*)(), char const*)
(/home/vagrant/build-mesos-ubsan/3rdparty/libprocess/3rdparty/stout-tests+0x85abd5)
#4 0x848abc in void
testing::internal::HandleExceptionsInMethodIfSupported<testing::Test,
void>(testing::Test*, void (testing::Test::*)(), char const*)
(/home/vagrant/build-mesos-ubsan/3rdparty/libprocess/3rdparty/stout-tests+0x848abc)
#5 0x7e2755 in testing::Test::Run()
(/home/vagrant/build-mesos-ubsan/3rdparty/libprocess/3rdparty/stout-tests+0x7e2755)
#6 0x7e44a0 in testing::TestInfo::Run()
(/home/vagrant/build-mesos-ubsan/3rdparty/libprocess/3rdparty/stout-tests+0x7e44a0)
#7 0x7e5ffa in testing::TestCase::Run()
(/home/vagrant/build-mesos-ubsan/3rdparty/libprocess/3rdparty/stout-tests+0x7e5ffa)
#8 0x7ffe21 in testing::internal::UnitTestImpl::RunAllTests()
(/home/vagrant/build-mesos-ubsan/3rdparty/libprocess/3rdparty/stout-tests+0x7ffe21)
#9 0x85d7a5 in bool
testing::internal::HandleSehExceptionsInMethodIfSupported<testing::internal::UnitTestImpl,
bool>(testing::internal::UnitTestImpl*, bool
(testing::internal::UnitTestImpl::*)(), char const*)
(/home/vagrant/build-mesos-ubsan/3rdparty/libprocess/3rdparty/stout-tests+0x85d7a5)
#10 0x84b37a in bool
testing::internal::HandleExceptionsInMethodIfSupported<testing::internal::UnitTestImpl,
bool>(testing::internal::UnitTestImpl*, bool
(testing::internal::UnitTestImpl::*)(), char const*)
(/home/vagrant/build-mesos-ubsan/3rdparty/libprocess/3rdparty/stout-tests+0x84b37a)
#11 0x7f8a4a in testing::UnitTest::Run()
(/home/vagrant/build-mesos-ubsan/3rdparty/libprocess/3rdparty/stout-tests+0x7f8a4a)
#12 0x608a96 in RUN_ALL_TESTS()
(/home/vagrant/build-mesos-ubsan/3rdparty/libprocess/3rdparty/stout-tests+0x608a96)
#13 0x60896b in main
(/home/vagrant/build-mesos-ubsan/3rdparty/libprocess/3rdparty/stout-tests+0x60896b)
#14 0x7fd0f0c7fa3f in __libc_start_main
(/lib/x86_64-linux-gnu/libc.so.6+0x20a3f)
#15 0x4145c8 in _start
(/home/vagrant/build-mesos-ubsan/3rdparty/libprocess/3rdparty/stout-tests+0x4145c8)
{noformat}
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