Re: [boost] Test failures on sanitize memory - are they caused by lightweight_test?

On Friday, March 13, 2015 03:09 PM, Vicente J. Botet Escriba wrote:

I see a lot of reports that a similar to this one yet [1].

Uninitialized bytes in __interceptor_strlen at offset 88 inside [0x60c00000efa0, 89) ==7257== WARNING: MemorySanitizer: use-of-uninitialized-value #0 0x7f46edfb1de2 in std::logic_error::logic_error(std::__1::basic_string const&) (/usr/lib/libc++.so.1+0x8dde2) #1 0x7f46eeddaf64 in boost::future_error::future_error(boost::system::error_code) /home/ben/development/boost/test/build/boost_root/status/../boost/thread/futures/future_error.hpp:28:7

#2 0x7f46eeddefc8 in boost::broken_promise::broken_promise() /home/ben/development/boost/test/build/boost_root/status/../boost/thread/futures/future_error.hpp:51:9

#3 0x7f46eedcdb02 in boost::promise<int>::~promise() /home/ben/development/boost/test/build/boost_root/status/../boost/thread/future.hpp:1951:63

#4 0x7f46eedc8120 in main /home/ben/development/boost/test/build/boost_root/status/../libs/thread/test/sync/futures/shared_future/move_assign_pass.cpp:39:3

#5 0x7f46ecce0ec4 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21ec4) #6 0x7f46eed7374c in _start (/home/ben/development/boost/test/build/results/boost/bin.v2/libs/thread/test/shared_future__move_asign_p.test/clang-linux-3.6~msan~c14_libc++/debug/address-model-64/architecture-x86/threading-multi/shared_future__move_asign_p+0x6974c)

SUMMARY: MemorySanitizer: use-of-uninitialized-value ??:0 std::logic_error::logic_error(std::__1::basic_string const&) Exiting

Does it corresponds to the same false positive? Have you reached to mask the PO false positive?

New results are up, this one seems to be cleared up by using the sanitised libc++. I currently have no blacklist, I'll see what else needs looking at tomorrow, after the full run has completed. Apologies for the delay. Ben

Vicente

[1] http://www.boost.org/development/tests/develop/developer/output/BenPope%20x8...

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