syncd crash in syncd::VendorSai::logSet() during docker startup

[anamehra]

Description

We have observed this syncd crash once on single asic system recentl during config reload:

(gdb) bt
#0 0x00007fce07be70ca in std::_Rb_tree_insert_and_rebalance(bool, std::_Rb_tree_node_base*, std::_Rb_tree_node_base*, std::_Rb_tree_node_base&) () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#1 0x000055e218d7f837 in syncd::VendorSai::logSet(_sai_api_t, _sai_log_level_t) ()
#2 0x000055e218d53487 in syncd::Syncd::saiLoglevelNotify(std::__cxx11::basic_string<char, std::char_traits, std::allocator >, std::__cxx11::basic_string<char, std::char_traits, std::allocator >) ()
#3 0x000055e218d6d5d2 in std::_Function_handler<void (std::__cxx11::basic_string<char, std::char_traits, std::allocator >, std::__cxx11::basic_string<char, std::char_traits, std::allocator >), std::_Bind<void (syncd::Syncd::(syncd::Syncd, std::_Placeholder<1>, std::_Placeholder<2>))(std::__cxx11::basic_string<char, std::char_traits, std::allocator >, std::__cxx11::basic_string<char, std::char_traits, std::allocator >)> >::_M_invoke(std::_Any_data const&, std::__cxx11::basic_string<char, std::char_traits, std::allocator >&&, std::__cxx11::basic_string<char, std::char_traits, std::allocator >&&) ()
#4 0x00007fce08ccdbc9 in swss::Logger::linkToDbWithOutput(std::__cxx11::basic_string<char, std::char_traits, std::allocator > const&, std::function<void (std::__cxx11::basic_string<char, std::char_traits, std::allocator >, std::__cxx11::basic_string<char, std::char_traits, std::allocator >)> const&, std::__cxx11::basic_string<char, std::char_traits, std::allocator > const&, std::function<void (std::__cxx11::basic_string<char, std::char_traits, std::allocator >, std::__cxx11::basic_string<char, std::char_traits, std::allocator >)> const&, std::__cxx11::basic_string<char, std::char_traits, std::allocator > const&) () from /usr/lib/x86_64-linux-gnu/libswsscommon.so.0
#5 0x00007fce08ccdf4a in swss::Logger::linkToDb(std::__cxx11::basic_string<char, std::char_traits, std::allocator > const&, std::function<void (std::__cxx11::basic_string<char, std::char_traits, std::allocator >, std::__cxx11::basic_string<char, std::char_traits, std::allocator >)> const&, std::__cxx11::basic_string<char, std::char_traits, std::allocator > const&) () from /usr/lib/x86_64-linux-gnu/libswsscommon.so.0
#6 0x000055e218d55422 in syncd::Syncd::setSaiApiLogLevel() ()
#7 0x000055e218d66382 in syncd::Syncd::Syncd(std::shared_ptrsairedis::SaiInterface, std::shared_ptrsyncd::CommandLineOptions, bool) ()
#8 0x000055e218d4f82d in syncd_main(int, char**) ()
#9 0x000055e218d4d98f in main ()
(gdb) thread apply all bt

Looks like the crash happened very early in bringup stage. No appearent errors seein in syslogs.

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[tjchadaga]

@anamehra - could you please help clarify the image version and platform on which this is seen?

[tjchadaga]

@anamehra - please also upload the techsupport