future: detach promise after making it ready. #10
Conversation
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Signed-off-by: Radoslaw Zarzynski <[email protected]>
cyx1231st
pushed a commit
to cyx1231st/seastar
that referenced
this pull request
Jan 2, 2020
This reverts commit 33406cf. It introduces memory leaks: Direct leak of 24 byte(s) in 1 object(s) allocated from: #0 0x7fb773b389d7 in operator new(unsigned long) (/lib64/libasan.so.5+0x10f9d7) ceph#1 0x108f0d4 in seastar::reactor::poller::~poller() ../src/core/reactor.cc:2879 ceph#2 0x11c1e59 in std::experimental::fundamentals_v1::_Optional_base<seastar::reactor::poller, true>::~_Optional_base() /usr/include/c++/9/experimental/optional:288 ceph#3 0x118f2d7 in std::experimental::fundamentals_v1::optional<seastar::reactor::poller>::~optional() /usr/include/c++/9/experimental/optional:491 ceph#4 0x108c5a5 in seastar::reactor::run() ../src/core/reactor.cc:2587 ceph#5 0xf1a822 in seastar::app_template::run_deprecated(int, char**, std::function<void ()>&&) ../src/core/app-template.cc:199 ceph#6 0xf1885d in seastar::app_template::run(int, char**, std::function<seastar::future<int> ()>&&) ../src/core/app-template.cc:115 ceph#7 0xeb2735 in operator() ../src/testing/test_runner.cc:72 ceph#8 0xebb342 in _M_invoke /usr/include/c++/9/bits/std_function.h:300 ceph#9 0xf3d8b0 in std::function<void ()>::operator()() const /usr/include/c++/9/bits/std_function.h:690 ceph#10 0x1034c72 in seastar::posix_thread::start_routine(void*) ../src/core/posix.cc:52 ceph#11 0x7fb7738804e1 in start_thread /usr/src/debug/glibc-2.30-13-g919af705ee/nptl/pthread_create.c:479 Reported-by: Rafael Avila de Espindola <[email protected]>
tchaikov
pushed a commit
that referenced
this pull request
May 13, 2021
…o_with Fixes failures in debug mode: ``` $ build/debug/tests/unit/closeable_test -l all -t deferred_close_test WARNING: debug mode. Not for benchmarking or production random-seed=3064133628 Running 1 test case... Entering test module "../../tests/unit/closeable_test.cc" ../../tests/unit/closeable_test.cc(0): Entering test case "deferred_close_test" ../../src/testing/seastar_test.cc(43): info: check true has passed ==9449==WARNING: ASan doesn't fully support makecontext/swapcontext functions and may produce false positives in some cases! terminate called after throwing an instance of 'seastar::broken_promise' what(): broken promise ==9449==WARNING: ASan is ignoring requested __asan_handle_no_return: stack top: 0x7fbf1f49f000; bottom 0x7fbf40971000; size: 0xffffffffdeb2e000 (-558702592) False positive error reports may follow For details see google/sanitizers#189 ================================================================= ==9449==AddressSanitizer CHECK failed: ../../../../libsanitizer/asan/asan_thread.cpp:356 "((ptr[0] == kCurrentStackFrameMagic)) != (0)" (0x0, 0x0) #0 0x7fbf45f39d0b (/lib64/libasan.so.6+0xb3d0b) #1 0x7fbf45f57d4e (/lib64/libasan.so.6+0xd1d4e) #2 0x7fbf45f3e724 (/lib64/libasan.so.6+0xb8724) #3 0x7fbf45eb3e5b (/lib64/libasan.so.6+0x2de5b) #4 0x7fbf45eb51e8 (/lib64/libasan.so.6+0x2f1e8) #5 0x7fbf45eb7694 (/lib64/libasan.so.6+0x31694) #6 0x7fbf45f39398 (/lib64/libasan.so.6+0xb3398) #7 0x7fbf45f3a00b in __asan_report_load8 (/lib64/libasan.so.6+0xb400b) #8 0xfe6d52 in bool __gnu_cxx::operator!=<dl_phdr_info*, std::vector<dl_phdr_info, std::allocator<dl_phdr_info> > >(__gnu_cxx::__normal_iterator<dl_phdr_info*, std::vector<dl_phdr_info, std::allocator<dl_phdr_info> > > const&, __gnu_cxx::__normal_iterator<dl_phdr_info*, std::vector<dl_phdr_info, std::allocator<dl_phdr_info> > > const&) /usr/include/c++/10/bits/stl_iterator.h:1116 #9 0xfe615c in dl_iterate_phdr ../../src/core/exception_hacks.cc:121 #10 0x7fbf44bd1810 in _Unwind_Find_FDE (/lib64/libgcc_s.so.1+0x13810) #11 0x7fbf44bcd897 (/lib64/libgcc_s.so.1+0xf897) #12 0x7fbf44bcea5f (/lib64/libgcc_s.so.1+0x10a5f) #13 0x7fbf44bcefd8 in _Unwind_RaiseException (/lib64/libgcc_s.so.1+0x10fd8) #14 0xfe6281 in _Unwind_RaiseException ../../src/core/exception_hacks.cc:148 scylladb#15 0x7fbf457364bb in __cxa_throw (/lib64/libstdc++.so.6+0xaa4bb) scylladb#16 0x7fbf45e10a21 (/lib64/libboost_unit_test_framework.so.1.73.0+0x1aa21) scylladb#17 0x7fbf45e20fe0 in boost::execution_monitor::execute(boost::function<int ()> const&) (/lib64/libboost_unit_test_framework.so.1.73.0+0x2afe0) scylladb#18 0x7fbf45e21094 in boost::execution_monitor::vexecute(boost::function<void ()> const&) (/lib64/libboost_unit_test_framework.so.1.73.0+0x2b094) scylladb#19 0x7fbf45e43921 in boost::unit_test::unit_test_monitor_t::execute_and_translate(boost::function<void ()> const&, unsigned long) (/lib64/libboost_unit_test_framework.so.1.73.0+0x4d921) scylladb#20 0x7fbf45e5eae1 (/lib64/libboost_unit_test_framework.so.1.73.0+0x68ae1) scylladb#21 0x7fbf45e5ed31 (/lib64/libboost_unit_test_framework.so.1.73.0+0x68d31) scylladb#22 0x7fbf45e2e547 in boost::unit_test::framework::run(unsigned long, bool) (/lib64/libboost_unit_test_framework.so.1.73.0+0x38547) scylladb#23 0x7fbf45e43618 in boost::unit_test::unit_test_main(bool (*)(), int, char**) (/lib64/libboost_unit_test_framework.so.1.73.0+0x4d618) scylladb#24 0x44798d in seastar::testing::entry_point(int, char**) ../../src/testing/entry_point.cc:77 scylladb#25 0x4134b5 in main ../../include/seastar/testing/seastar_test.hh:65 scylladb#26 0x7fbf44a1b1e1 in __libc_start_main (/lib64/libc.so.6+0x281e1) scylladb#27 0x4133dd in _start (/home/bhalevy/dev/seastar/build/debug/tests/unit/closeable_test+0x4133dd) ``` Signed-off-by: Benny Halevy <[email protected]> Message-Id: <[email protected]>
Matan-B
pushed a commit
that referenced
this pull request
Jul 7, 2024
in main(), we creates an instance of `http_server_control` using
new, but we never destroy it. this is identified by ASan
```
==2190125==ERROR: LeakSanitizer: detected memory leaks
Direct leak of 8 byte(s) in 1 object(s) allocated from:
#0 0x55e21cf487bd in operator new(unsigned long) /home/kefu/dev/llvm-project/compiler-rt/lib/asan/asan_new_delete.cpp:86:3
#1 0x55e21cf6cf31 in main::$_0::operator()() const::'lambda'()::operator()() const /home/kefu/dev/seastar/apps/httpd/main.cc:121:27
#2 0x55e21cf6b4cc in int std::__invoke_impl<int, main::$_0::operator()() const::'lambda'()>(std::__invoke_other, main::$_0::operator()() const::'lambda'()&&) /usr/lib/gcc/x86_64-redhat-linux/14/../../../../incl
ude/c++/14/bits/invoke.h:61:14
#3 0x55e21cf6b46c in std::__invoke_result<main::$_0::operator()() const::'lambda'()>::type std::__invoke<main::$_0::operator()() const::'lambda'()>(main::$_0::operator()() const::'lambda'()&&) /usr/lib/gcc/x86_
64-redhat-linux/14/../../../../include/c++/14/bits/invoke.h:96:14
#4 0x55e21cf6b410 in decltype(auto) std::__apply_impl<main::$_0::operator()() const::'lambda'(), std::tuple<>>(main::$_0::operator()() const::'lambda'()&&, std::tuple<>&&, std::integer_sequence<unsigned long, .
..>) /usr/lib/gcc/x86_64-redhat-linux/14/../../../../include/c++/14/tuple:2921:14
#5 0x55e21cf6b3b2 in decltype(auto) std::apply<main::$_0::operator()() const::'lambda'(), std::tuple<>>(main::$_0::operator()() const::'lambda'()&&, std::tuple<>&&) /usr/lib/gcc/x86_64-redhat-linux/14/../../../
../include/c++/14/tuple:2936:14
#6 0x55e21cf6b283 in seastar::future<int> seastar::futurize<int>::apply<main::$_0::operator()() const::'lambda'()>(main::$_0::operator()() const::'lambda'()&&, std::tuple<>&&) /home/kefu/dev/seastar/include/sea
star/core/future.hh:2005:28
#7 0x55e21cf6b043 in seastar::futurize<std::invoke_result<main::$_0::operator()() const::'lambda'()>::type>::type seastar::async<main::$_0::operator()() const::'lambda'()>(seastar::thread_attributes, main::$_0:
:operator()() const::'lambda'()&&)::'lambda'()::operator()() const /home/kefu/dev/seastar/include/seastar/core/thread.hh:260:13
#8 0x55e21cf6ae74 in seastar::noncopyable_function<void ()>::direct_vtable_for<seastar::futurize<std::invoke_result<main::$_0::operator()() const::'lambda'()>::type>::type seastar::async<main::$_0::operator()()
const::'lambda'()>(seastar::thread_attributes, main::$_0::operator()() const::'lambda'()&&)::'lambda'()>::call(seastar::noncopyable_function<void ()> const*) /home/kefu/dev/seastar/include/seastar/util/noncopyable
_function.hh:129:20
#9 0x7f5d757a0fb3 in seastar::noncopyable_function<void ()>::operator()() const /home/kefu/dev/seastar/include/seastar/util/noncopyable_function.hh:215:16
#10 0x7f5d75ef5611 in seastar::thread_context::main() /home/kefu/dev/seastar/src/core/thread.cc:311:9
#11 0x7f5d75ef50eb in seastar::thread_context::s_main(int, int) /home/kefu/dev/seastar/src/core/thread.cc:287:43
#12 0x7f5d72f8a18f (/lib64/libc.so.6+0x5a18f) (BuildId: b098f1c75a76548bb230d8f551eae07a2aeccf06)
```
so, in this change, let's hold it using a smart pointer, so we
can destroy it when it leaves the lexical scope.
Signed-off-by: Kefu Chai <[email protected]>
Closes scylladb#2224
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
Summary
TBD.