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doc/cephadm: Correct formatting in upgrade.rst Reviewed-by: Zac Dover <zac.dover@proton.me>
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This will automatically run on PR creation and repush. It will check if only docs files have been modified and, if so, will trigger the PR status faker workflow. If it is not a docs-only PR, it will dispatch the regular Jenkins jobs we run for every PR. Signed-off-by: David Galloway <david.galloway@ibm.com>
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Signed-off-by: David Galloway <david.galloway@ibm.com>
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This pull request can no longer be automatically merged: a rebase is needed and changes have to be manually resolved |
djgalloway
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that referenced
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Jun 26, 2025
…ms in destructor
Fix memory leak in test_not_before_queue identified by AddressSanitizer.
Previously, the test was terminating without properly dequeueing all elements,
causing resource leaks during teardown.
This change implements a proper cleanup mechanism that:
1. Advances the queue's time until all elements become eligible for processing
2. Dequeues all remaining elements to ensure proper destruction
3. Guarantees clean teardown even for elements with future timestamps
The fix eliminates ASan-reported leaks occurring in the not_before_queue_t::enqueue
method when test cases were torn down prematurely.
A sample of the error from ASan:
```
Direct leak of 1800 byte(s) in 15 object(s) allocated from:
#0 0x7f71b1f1ab5b in operator new(unsigned long) ../../../../src/libsanitizer/asan/asan_new_delete.cpp:86
#1 0x55fb4c977058 in void not_before_queue_t<tv_t, test_time_t>::enqueue<tv_t const&>(tv_t const&) /home/kefu/dev/ceph/src/common/not_before_queue.h:164
#2 0x55fb4c97748b in NotBeforeTest::load_test_data(std::vector<tv_t, std::allocator<tv_t> > const&) /home/kefu/dev/ceph/src/test/test_not_before_queue.cc:67
#3 0x55fb4c961112 in NotBeforeTest_RemoveIfByClass_no_cond_Test::TestBody() /home/kefu/dev/ceph/src/test/test_not_before_queue.cc:213
#4 0x55fb4ca05f67 in void testing::internal::HandleSehExceptionsInMethodIfSupported<testing::Test, void>(testing::Test*, void (testing::Test::*)(), char const*) /home/kefu/dev/ceph/src/googletest/googletest/src/gtest.cc:2653
#5 0x55fb4ca1c4f7 in void testing::internal::HandleExceptionsInMethodIfSupported<testing::Test, void>(testing::Test*, void (testing::Test::*)(), char const*) /home/kefu/dev/ceph/src/googletest/googletest/src/gtest.cc:2689
#6 0x55fb4c9e1104 in testing::Test::Run() /home/kefu/dev/ceph/src/googletest/googletest/src/gtest.cc:2728
#7 0x55fb4c9e16e2 in testing::TestInfo::Run() /home/kefu/dev/ceph/src/googletest/googletest/src/gtest.cc:2874
#8 0x55fb4c9e73b4 in testing::TestSuite::Run() /home/kefu/dev/ceph/src/googletest/googletest/src/gtest.cc:3052
#9 0x55fb4c9f059b in testing::internal::UnitTestImpl::RunAllTests() /home/kefu/dev/ceph/src/googletest/googletest/src/gtest.cc:6004
#10 0x55fb4ca064ff in bool testing::internal::HandleSehExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool>(testing::internal::UnitTestImpl*, bool (testing::internal::UnitTestImpl::*)(), char const*) /home/kefu/dev/ceph/src/googletest/googletest/src/gtest.cc:2653
#11 0x55fb4ca1d1bf in bool testing::internal::HandleExceptionsInMethodIfSupported<testing::internal::UnitTestImpl, bool>(testing::internal::UnitTestImpl*, bool (testing::internal::UnitTestImpl::*)(), char const*) /home/kefu/dev/ceph/src/googletest/googletest/src/gtest.cc:2689
#12 0x55fb4c9e124d in testing::UnitTest::Run() /home/kefu/dev/ceph/src/googletest/googletest/src/gtest.cc:5583
#13 0x55fb4c97a0b6 in RUN_ALL_TESTS() /home/kefu/dev/ceph/src/googletest/googletest/include/gtest/gtest.h:2334
#14 0x55fb4c979ffc in main /home/kefu/dev/ceph/src/googletest/googlemock/src/gmock_main.cc:71
ceph#15 0x7f71ae833ca7 in __libc_start_call_main ../sysdeps/nptl/libc_start_call_main.h:58
SUMMARY: AddressSanitizer: 1800 byte(s) leaked in 15 allocation(s).
```
Signed-off-by: Kefu Chai <tchaikov@gmail.com>
djgalloway
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that referenced
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Jun 26, 2025
Memory leak was detected by AddressSanitizer in dbstore tests. Objects
inserted into a static objectmap were not being properly freed when
tests completed without explicitly deleting buckets.
The leak occurred because:
- Objects were preserved in a static map after insertion
- Objects were only freed by DB::objectmapDelete() when deleting the
corresponding bucket
- In tests, buckets weren't always deleted after insertion, leaving
objects allocated
ASan rightly pointed this out:
```
Direct leak of 200 byte(s) in 1 object(s) allocated from:
#0 0x55c420f5274d in operator new(unsigned long) (/home/jenkins-build/build/workspace/ceph-pull-requests/build/bin/unittest_dbstore_tests+0x4df74d) (BuildId: c19ed2d2b1ead306fdc59fc311f546a287300010)
#1 0x55c42143cfaf in SQLGetBucket::Execute(DoutPrefixProvider const*, rgw::store::DBOpParams*) /home/jenkins-build/build/workspace/ceph-pull-requests/src/rgw/driver/dbstore/sqlite/sqliteDB.cc:1689:11
#2 0x55c42102751c in rgw::store::DB::ProcessOp(DoutPrefixProvider const*, std::basic_string_view<char, std::char_traits<char>>, rgw::store::DBOpParams*) /home/jenkins-build/build/workspace/ceph-pull-requests/src/rgw/driver/dbstore/common/dbstore.cc:251:16
#3 0x55c4210328c9 in rgw::store::DB::get_bucket_info(DoutPrefixProvider const*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char>> const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char>> const&, RGWBucketInfo&, std::map<std::__cxx11
::basic_string<char, std::char_traits<char>, std::allocator<char>>, ceph::buffer::v15_2_0::list, std::less<std::__cxx11::basic_string<char, std::c
har_traits<char>, std::allocator<char>>>, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char>> const, ceph::buffer::v15_2_0::list>>>*, std::chrono::time_point<ceph::real_clock, std::chrono::duration<unsigned long, std::ratio<1l, 1000000000l>>>*, obj_version*) /home/jenkins-build/build/workspace/ceph-pull-requests/src/rgw/driver/dbstore/common/dbstore.cc:450:9
#4 0x55c421034357 in rgw::store::DB::create_bucket(DoutPrefixProvider const*, std::variant<rgw_user, rgw_account_id> const&, rgw_bucket const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char>> const&, rgw_placement_rule const&, std::map<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char>>, ceph::buffer::v15_2_0::list, std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char>>>, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char>> const, ceph::buffer::v15_2_0::list>>> const&, std::optional<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char>>> const&, std::optional<RGWQuotaInfo> const&, std::optional<std::chrono::time_point<ceph::real_clock, std::chrono::duration<unsigned long, std::ratio<1l, 1000000000l>>>>, obj_version*, RGWBucketInfo&, optional_yield) /home/jenkins-build/build/workspace/ceph-pull-requests/src/rgw/driver/dbstore/common/dbstore.cc:504:9
#5 0x55c420f6c3ed in DBStoreTest_CreateBucket_Test::TestBody() /home/jenkins-build/build/workspace/ceph-pull-requests/src/rgw/driver/dbstore/tests/dbstore_tests.cc:495:13
#6 0x55c42174fa0d in void testing::internal::HandleSehExceptionsInMethodIfSupported<testing::Test, void>(testing::Test*, void (testing::Test::*)(), char const*) /home/jenkins-build/build/workspace/ceph-pull-requests/src/googletest/googletest/src/gtest.cc:2653:10
#7 0x55c421717f25 in void testing::internal::HandleExceptionsInMethodIfSupported<testing::Test, void>(testing::Test*, void (testing::Test::*)(), char const*) /home/jenkins-build/build/workspace/ceph-pull-requests/src/googletest/googletest/src/gtest.cc:2689:14
#8 0x55c4216d4bbd in testing::Test::Run() /home/jenkins-build/build/workspace/ceph-pull-requests/src/googletest/googletest/src/gtest.cc:2728:5
```
In this change, we:
- Free objectmap entries in DB::Destroy() to ensure cleanup on shutdown
- Call DB::Destroy() in DBStoreTest::TearDown() to guarantee cleanup after each test
Signed-off-by: Kefu Chai <tchaikov@gmail.com>
djgalloway
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Jun 26, 2025
Previously, we had Resource leak in Directory::for_each() where
directory streams opened with fdopendir() were never properly closed,
causing a 32KB leak per unclosed directory handle.
In this change, we add closedir() call to properly release directory stream
resources after enumeration completes.
ASan report:
```
Direct leak of 32816 byte(s) in 1 object(s) allocated from:
#0 0x738387320e15 in malloc /usr/src/debug/gcc/gcc/libsanitizer/asan/asan_malloc_linux.cpp:67
#1 0x738381383514 (/usr/lib/libc.so.6+0xe3514) (BuildId: 468e3585c794491a48ea75fceb9e4d6b1464fc35)
#2 0x738381383418 in fdopendir (/usr/lib/libc.so.6+0xe3418) (BuildId: 468e3585c794491a48ea75fceb9e4d6b1464fc35)
#3 0x6433e1aefac4 in for_each<rgw::sal::Directory::fill_cache(const DoutPrefixProvider*, optional_yield, rgw::sal::fill_cache_cb_t&)::<lambda(char const*)> > /home/kefu/dev/ceph/src/rgw/driver/posix/rgw_sal_posix.cc:874
#4 0x6433e1aa10ab in rgw::sal::Directory::fill_cache(DoutPrefixProvider const*, optional_yield, fu2::abi_310::detail::function<fu2::abi_310::detail::config<true, false, 16ul>, fu2::abi_310::detail::property<true, false, int (DoutPrefixProvider const*, rgw_bucket_dir_ent
ry&) const> > const&) /home/kefu/dev/ceph/src/rgw/driver/posix/rgw_sal_posix.cc:1077
#5 0x6433e1aa8974 in rgw::sal::MPDirectory::fill_cache(DoutPrefixProvider const*, optional_yield, fu2::abi_310::detail::function<fu2::abi_310::detail::config<true, false, 16ul>, fu2::abi_310::detail::property<true, false, int (DoutPrefixProvider const*, rgw_bucket_dir_e
ntry&) const> > const&) /home/kefu/dev/ceph/src/rgw/driver/posix/rgw_sal_posix.cc:1384
#6 0x6433e1abf1ee in rgw::sal::POSIXBucket::fill_cache(DoutPrefixProvider const*, optional_yield, fu2::abi_310::detail::function<fu2::abi_310::detail::config<true, false, 16ul>, fu2::abi_310::detail::property<true, false, int (DoutPrefixProvider const*, rgw_bucket_dir_e
ntry&) const> > const&) /home/kefu/dev/ceph/src/rgw/driver/posix/rgw_sal_posix.cc:2236
#7 0x6433e1c43956 in file::listing::BucketCache<rgw::sal::POSIXDriver, rgw::sal::POSIXBucket>::fill(DoutPrefixProvider const*, file::listing::BucketCacheEntry<rgw::sal::POSIXDriver, rgw::sal::POSIXBucket>*, rgw::sal::POSIXBucket*, unsigned int, optional_yield) /home/kef
u/dev/ceph/src/rgw/driver/posix/bucket_cache.h:368
#8 0x6433e1c1c71c in file::listing::BucketCache<rgw::sal::POSIXDriver, rgw::sal::POSIXBucket>::list_bucket(DoutPrefixProvider const*, optional_yield, rgw::sal::POSIXBucket*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, fu2::abi_310::d
etail::function<fu2::abi_310::detail::config<true, false, 16ul>, fu2::abi_310::detail::property<true, false, bool (rgw_bucket_dir_entry const&) const> >) /home/kefu/dev/ceph/src/rgw/driver/posix/bucket_cache.h:410
#9 0x6433e1ac1829 in rgw::sal::POSIXBucket::list(DoutPrefixProvider const*, rgw::sal::Bucket::ListParams&, int, rgw::sal::Bucket::ListResults&, optional_yield) /home/kefu/dev/ceph/src/rgw/driver/posix/rgw_sal_posix.cc:2256
#10 0x6433e1ae1302 in rgw::sal::POSIXMultipartUpload::list_parts(DoutPrefixProvider const*, ceph::common::CephContext*, int, int, int*, bool*, optional_yield, bool) /home/kefu/dev/ceph/src/rgw/driver/posix/rgw_sal_posix.cc:3692
#11 0x6433e1ae2f3b in rgw::sal::POSIXMultipartUpload::complete(DoutPrefixProvider const*, optional_yield, ceph::common::CephContext*, std::map<int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::less<int>, std::allocator<std::pair<
int const, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > >&, std::__cxx11::list<rgw_obj_index_key, std::allocator<rgw_obj_index_key> >&, unsigned long&, bool&, RGWCompressionInfo&, long&, std::__cxx11::basic_string<char, std::char_trait
s<char>, std::allocator<char> >&, ACLOwner&, unsigned long, rgw::sal::Object*, boost::container::flat_map<unsigned int, boost::container::flat_set<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::less<std::__cxx11::basic_string<char, std
::char_traits<char>, std::allocator<char> > >, void>, std::less<unsigned int>, void>&) /home/kefu/dev/ceph/src/rgw/driver/posix/rgw_sal_posix.cc:3770
#12 0x6433e0fffb73 in POSIXMPObjectTest::create_MPObj(rgw::sal::MultipartUpload*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >) /home/kefu/dev/ceph/src/test/rgw/test_rgw_posix_driver.cc:1717
#13 0x6433e0e95ab9 in POSIXMPObjectTest_BucketList_Test::TestBody() /home/kefu/dev/ceph/src/test/rgw/test_rgw_posix_driver.cc:1863
#14 0x6433e1308d17 in void testing::internal::HandleSehExceptionsInMethodIfSupported<testing::Test, void>(testing::Test*, void (testing::Test::*)(), char const*) /home/kefu/dev/ceph/src/googletest/googletest/src/gtest.cc:2653
```
Fixes https://tracker.ceph.com/issues/71505
Signed-off-by: Kefu Chai <tchaikov@gmail.com>
djgalloway
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Jun 26, 2025
Previously, error messages passed to luaL_error() were formatted using
std::string concatenation. Since luaL_error() never returns (it throws
a Lua exception via longjmp), the allocated std::string memory was
leaked, as detected by AddressSanitizer:
```
Direct leak of 105 byte(s) in 1 object(s) allocated from:
#0 0x7fc5f1921a2d in operator new(unsigned long) /usr/src/debug/gcc/gcc/libsanitizer/asan/asan_new_delete.cpp:86
#1 0x563bd89144c7 in std::__new_allocator<char>::allocate(unsigned long, void const*) /usr/include/c++/15.1.1/bits/new_allocator.h:151
#2 0x563bd89144c7 in std::allocator<char>::allocate(unsigned long) /usr/include/c++/15.1.1/bits/allocator.h:203
#3 0x563bd89144c7 in std::allocator_traits<std::allocator<char> >::allocate(std::allocator<char>&, unsigned long) /usr/include/c++/15.1.1/bits/alloc_traits.h:614
#4 0x563bd89144c7 in std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_S_allocate(std::allocator<char>&, unsigned long) /usr/include/c++/15.1.1/bits/basic_string.h:142
#5 0x563bd89144c7 in std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_create(unsigned long&, unsigned long) /usr/include/c++/15.1.1/bits/basic_string.tcc:164
#6 0x563bd896ae1b in std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_mutate(unsigned long, unsigned long, char const*, unsigned long) /usr/include/c++/15.1.1/bits/basic_string.tcc:363
#7 0x563bd896b256 in std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_append(char const*, unsigned long) /usr/include/c++/15.1.1/bits/basic_string.tcc:455
#8 0x563bd896b2bb in std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::append(char const*) /usr/include/c++/15.1.1/bits/basic_string.h:1585
#9 0x563bd943c2f2 in std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > std::operator+<char, std::char_traits<char>, std::allocator<char> >(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >&&, char const*) /usr/include/c++/15.1.1/bits/basic_string.h:3977
#10 0x563bd943c2f2 in rgw::lua::lua_state_guard::runtime_hook(lua_State*, lua_Debug*) /home/kefu/dev/ceph/src/rgw/rgw_lua_utils.cc:245
#11 0x7fc5f139f8ef (/usr/lib/liblua.so.5.4+0xe8ef) (BuildId: b7533e2973d4b0d82e10fc29973ec5a8d355d2b8)
#12 0x7fc5f139fbfe (/usr/lib/liblua.so.5.4+0xebfe) (BuildId: b7533e2973d4b0d82e10fc29973ec5a8d355d2b8)
#13 0x7fc5f13b26fe (/usr/lib/liblua.so.5.4+0x216fe) (BuildId: b7533e2973d4b0d82e10fc29973ec5a8d355d2b8)
#14 0x7fc5f139f581 (/usr/lib/liblua.so.5.4+0xe581) (BuildId: b7533e2973d4b0d82e10fc29973ec5a8d355d2b8)
ceph#15 0x7fc5f139b735 (/usr/lib/liblua.so.5.4+0xa735) (BuildId: b7533e2973d4b0d82e10fc29973ec5a8d355d2b8)
ceph#16 0x7fc5f139ba8f (/usr/lib/liblua.so.5.4+0xaa8f) (BuildId: b7533e2973d4b0d82e10fc29973ec5a8d355d2b8)
ceph#17 0x7fc5f139f696 in lua_pcallk (/usr/lib/liblua.so.5.4+0xe696) (BuildId: b7533e2973d4b0d82e10fc29973ec5a8d355d2b8)
ceph#18 0x563bd8a925ef in rgw::lua::request::execute(rgw::sal::Driver*, RGWREST*, OpsLogSink*, req_state*, RGWOp*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&) /home/kefu/dev/ceph/src/rgw/rgw_lua_request.cc:824
ceph#19 0x563bd8952e3d in TestRGWLua_LuaRuntimeLimit_Test::TestBody() /home/kefu/dev/ceph/src/test/rgw/test_rgw_lua.cc:1628
ceph#20 0x563bd8a37817 in void testing::internal::HandleSehExceptionsInMethodIfSupported<testing::Test, void>(testing::Test*, void (testing::Test::*)(), char const*) /home/kefu/dev/ceph/src/googletest/googletest/src/gtest.cc:2653
ceph#21 0x563bd8a509b5 in void testing::internal::HandleExceptionsInMethodIfSupported<testing::Test, void>(testing::Test*, void (testing::Test::*)(), char const*) (/home/kefu/dev/ceph/build/bin/unittest_rgw_lua+0x11199b5) (BuildId: b2628caba5290d882d25f7bea166f058b682bc85)`
```
This change replaces std::string formatting with stack-allocated buffer
and std::to_chars() to eliminate the memory leak.
Note: We cannot format int64_t directly through luaL_error() because
lua_pushfstring() does not support long long or int64_t format specifiers,
even in Lua 5.4 (see https://www.lua.org/manual/5.4/manual.html#lua_pushfstring).
Since libstdc++ uses int64_t for std::chrono::milliseconds::rep, we use
std::to_chars() for safe, efficient conversion without heap allocation.
The maximum runtime limit was a configuration introduced by 3e3cb15.
Fixes: https://tracker.ceph.com/issues/71595
Signed-off-by: Kefu Chai <tchaikov@gmail.com>
djgalloway
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that referenced
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Jun 26, 2025
Previously, SyncPoint allocated two C_Gather instances tracked by raw
pointers but failed to properly clean them up when only a single sync
point existed, causing memory leaks detected by AddressSanitizer.
This change fixes the leak by modifying AbstractWriteLog::shut_down()
to check for prior sync points in the chain. When the current sync point
is the only one present, we now activate the m_prior_log_entries_persisted
context to ensure:
- The onfinish callback executes and releases the captured strong
reference to the enclosing SyncPoint
- The parent m_sync_point_persist context completes and gets properly
released
This ensures all allocated contexts are cleaned up correctly during
shutdown, eliminating the memory leak.
The ASan report:
```
Indirect leak of 2064 byte(s) in 1 object(s) allocated from:
#0 0x56440919ae2d in operator new(unsigned long) (/home/jenkins-build/build/workspace/ceph-pull-requests/build/bin/unittest_librbd+0x2f3de2d) (BuildId: 6a04677c6ee5235f1a41815df807f97c5b96d4cd)
#1 0x56440bd67751 in __gnu_cxx::new_allocator<Context*>::allocate(unsigned long, void const*) /usr/lib/gcc/x86_64-linux-gnu/11/../../../../include/c++/11/ext/new_allocator.h:127:27
#2 0x56440bd676e0 in std::allocator<Context*>::allocate(unsigned long) /usr/lib/gcc/x86_64-linux-gnu/11/../../../../include/c++/11/bits/allocator.h:185:32
#3 0x56440bd676e0 in std::allocator_traits<std::allocator<Context*>>::allocate(std::allocator<Context*>&, unsigned long) /usr/lib/gcc/x86_64-linux-gnu/11/../../../../include/c++/11/bits/alloc_traits.h:464:20
#4 0x56440bd6730b in std::_Vector_base<Context*, std::allocator<Context*>>::_M_allocate(unsigned long) /usr/lib/gcc/x86_64-linux-gnu/11/../../../../include/c++/11/bits/stl_vector.h:346:20
#5 0x7fd33e00e8d1 in std::vector<Context*, std::allocator<Context*>>::reserve(unsigned long) /usr/lib/gcc/x86_64-linux-gnu/11/../../../../include/c++/11/bits/vector.tcc:78:22
#6 0x7fd33e00c51c in librbd::cache::pwl::SyncPoint::SyncPoint(unsigned long, ceph::common::CephContext*) /home/jenkins-build/build/workspace/ceph-pull-requests/src/librbd/cache/pwl/SyncPoint.cc:20:27
#7 0x56440bd65f26 in decltype(::new((void*)(0)) librbd::cache::pwl::SyncPoint(std::declval<unsigned long&>(), std::declval<ceph::common::CephContext*&>())) std::construct_at<librbd::cache::pwl::SyncPoint, unsigned long&, ceph::common::CephContext*&>(librbd::cache::pwl::SyncPoint*, unsigned long&, ceph::common::CephContext*&) /usr/lib/gcc/x86_64-linux-gnu/11/../../../../include/c++/11/bits/stl_construct.h:97:39
#8 0x56440bd65b98 in void std::allocator_traits<std::allocator<librbd::cache::pwl::SyncPoint>>::construct<librbd::cache::pwl::SyncPoint, unsigned long&, ceph::common::CephContext*&>(std::allocator<librbd::cache::pwl::SyncPoint>&, librbd::cache::pwl::SyncPoint*, unsigned long&, ceph::common::CephContext*&) /usr/lib/gcc/x86_64-linux-gnu/11/../../../../include/c++/11/bits/alloc_traits.h:518:4
#9 0x56440bd657d3 in std::_Sp_counted_ptr_inplace<librbd::cache::pwl::SyncPoint, std::allocator<librbd::cache::pwl::SyncPoint>, (__gnu_cxx::_Lock_policy)2>::_Sp_counted_ptr_inplace<unsigned long&, ceph::common::CephContext*&>(std::allocator<librbd::cache::pwl::SyncPoint>, unsigned long&, ceph::common::CephContext*&) /usr/lib/gcc/x86_64-linux-gnu/11/../../../../include/c++/11/bits/shared_ptr_base.h:519:4
#10 0x56440bd65371 in std::__shared_count<(__gnu_cxx::_Lock_policy)2>::__shared_count<librbd::cache::pwl::SyncPoint, std::allocator<librbd::cache::pwl::SyncPoint>, unsigned long&, ceph::common::CephContext*&>(librbd::cache::pwl::SyncPoint*&, std::_Sp_alloc_shared_tag<std::allocator<librbd::cache::pwl::SyncPoint>>, unsigned long&, ceph::common::CephContext*&) /usr/lib/gcc/x86_64-linux-gnu/11/../../../../include/c++/11/bits/shared_ptr_base.h:651:6
#11 0x56440bd65163 in std::__shared_ptr<librbd::cache::pwl::SyncPoint, (__gnu_cxx::_Lock_policy)2>::__shared_ptr<std::allocator<librbd::cache::pwl::SyncPoint>, unsigned long&, ceph::common::CephContext*&>(std::_Sp_alloc_shared_tag<std::allocator<librbd::cache::pwl::SyncPoint>>, unsigned long&, ceph::common::CephContext*&) /usr/lib/gcc/x86_64-linux-gnu/11/../../../../include/c++/11/bits/shared_ptr_base.h:1342:14
#12 0x56440bd650e6 in std::shared_ptr<librbd::cache::pwl::SyncPoint>::shared_ptr<std::allocator<librbd::cache::pwl::SyncPoint>, unsigned long&, ceph::common::CephContext*&>(std::_Sp_alloc_shared_tag<std::allocator<librbd::cache::pwl::SyncPoint>>, unsigned long&, ceph::common::CephContext*&) /usr/lib/gcc/x86_64-linux-gnu/11/../../../../include/c++/11/bits/shared_ptr.h:409:4
#13 0x56440bd65057 in std::shared_ptr<librbd::cache::pwl::SyncPoint> std::allocate_shared<librbd::cache::pwl::SyncPoint, std::allocator<librbd::cache::pwl::SyncPoint>, unsigned long&, ceph::common::CephContext*&>(std::allocator<librbd::cache::pwl::SyncPoint> const&, unsigned long&, ceph::common::CephContext*&) /usr/lib/gcc/x86_64-linux-gnu/11/../../../../include/c++/11/bits/shared_ptr.h:862:14
#14 0x56440bca97e7 in std::shared_ptr<librbd::cache::pwl::SyncPoint> std::make_shared<librbd::cache::pwl::SyncPoint, unsigned long&, ceph::common::CephContext*&>(unsigned long&, ceph::common::CephContext*&) /usr/lib/gcc/x86_64-linux-gnu/11/../../../../include/c++/11/bits/shared_ptr.h:878:14
ceph#15 0x56440bd443c8 in librbd::cache::pwl::AbstractWriteLog<librbd::MockImageCtx>::new_sync_point(librbd::cache::pwl::DeferredContexts&) /home/jenkins-build/build/workspace/ceph-pull-requests/src/librbd/cache/pwl/AbstractWriteLog.cc:1905:20
ceph#16 0x56440bd42e4c in librbd::cache::pwl::AbstractWriteLog<librbd::MockImageCtx>::flush_new_sync_point(librbd::cache::pwl::C_FlushRequest<librbd::cache::pwl::AbstractWriteLog<librbd::MockImageCtx>>*, librbd::cache::pwl::DeferredContexts&) /home/jenkins-build/build/workspace/ceph-pull-requests/src/librbd/cache/pwl/AbstractWriteLog.cc:1951:3
ceph#17 0x56440bd9cbf2 in librbd::cache::pwl::AbstractWriteLog<librbd::MockImageCtx>::flush_new_sync_point_if_needed(librbd::cache::pwl::C_FlushRequest<librbd::cache::pwl::AbstractWriteLog<librbd::MockImageCtx>>*, librbd::cache::pwl::DeferredContexts&) /home/jenkins-build/build/workspace/ceph-pull-requests/src/librbd/cache/pwl/AbstractWriteLog.cc:1990:5
ceph#18 0x56440bd9c636 in librbd::cache::pwl::AbstractWriteLog<librbd::MockImageCtx>::internal_flush(bool, Context*)::'lambda'(librbd::cache::pwl::GuardedRequestFunctionContext&)::operator()(librbd::cache::pwl::GuardedRequestFunctionContext&) const /home/jenkins-build/build/workspace/ceph-pull-requests/src/librbd/cache/pwl/AbstractWriteLog.cc:2152:9
ceph#19 0x56440bd9b9b4 in boost::detail::function::void_function_obj_invoker<librbd::cache::pwl::AbstractWriteLog<librbd::MockImageCtx>::internal_flush(bool, Context*)::'lambda'(librbd::cache::pwl::GuardedRequestFunctionContext&), void, librbd::cache::pwl::GuardedRequestFunctionContext&>::invoke(boost::detail::function::function_buffer&, librbd::cache::pwl::GuardedRequestFunctionContext&) /opt/ceph/include/boost/function/function_template.hpp:100:11
ceph#20 0x56440bd29321 in boost::function_n<void, librbd::cache::pwl::GuardedRequestFunctionContext&>::operator()(librbd::cache::pwl::GuardedRequestFunctionContext&) const /opt/ceph/include/boost/function/function_template.hpp:789:14
ceph#21 0x56440bd28d85 in librbd::cache::pwl::GuardedRequestFunctionContext::finish(int) /home/jenkins-build/build/workspace/ceph-pull-requests/src/librbd/cache/pwl/Request.h:335:5
ceph#22 0x5644091e0fe0 in Context::complete(int) /home/jenkins-build/build/workspace/ceph-pull-requests/src/include/Context.h:102:5
ceph#23 0x56440bd9b378 in librbd::cache::pwl::AbstractWriteLog<librbd::MockImageCtx>::detain_guarded_request(librbd::cache::pwl::C_BlockIORequest<librbd::cache::pwl::AbstractWriteLog<librbd::MockImageCtx>>*, librbd::cache::pwl::GuardedRequestFunctionContext*, bool) /home/jenkins-build/build/workspace/ceph-pull-requests/src/librbd/cache/pwl/AbstractWriteLog.cc:1202:20
ceph#24 0x56440bd96c50 in librbd::cache::pwl::AbstractWriteLog<librbd::MockImageCtx>::internal_flush(bool, Context*) /home/jenkins-build/build/workspace/ceph-pull-requests/src/librbd/cache/pwl/AbstractWriteLog.cc:2154:3
ceph#25 0x56440bd1e4b5 in librbd::cache::pwl::AbstractWriteLog<librbd::MockImageCtx>::shut_down(Context*) /home/jenkins-build/build/workspace/ceph-pull-requests/src/librbd/cache/pwl/AbstractWriteLog.cc:703:3
ceph#26 0x56440bdb9022 in librbd::cache::pwl::TestMockCacheSSDWriteLog_compare_and_write_compare_matched_Test::TestBody() /home/jenkins-build/build/workspace/ceph-pull-requests/src/test/librbd/cache/pwl/test_mock_SSDWriteLog.cc:403:7
```
Fixes: https://tracker.ceph.com/issues/71335
Signed-off-by: Kefu Chai <tchaikov@gmail.com>
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djgalloway
pushed a commit
that referenced
this pull request
Feb 3, 2026
Previously, SyncPoint allocated two C_Gather instances tracked by raw
pointers but failed to properly clean them up when only a single sync
point existed, causing memory leaks detected by AddressSanitizer.
This change fixes the leak by modifying AbstractWriteLog::shut_down()
to check for prior sync points in the chain. When the current sync point
is the only one present, we now activate the m_prior_log_entries_persisted
context to ensure:
- The onfinish callback executes and releases the captured strong
reference to the enclosing SyncPoint
- The parent m_sync_point_persist context completes and gets properly
released
This ensures all allocated contexts are cleaned up correctly during
shutdown, eliminating the memory leak.
The ASan report:
```
Indirect leak of 2064 byte(s) in 1 object(s) allocated from:
#0 0x56440919ae2d in operator new(unsigned long) (/home/jenkins-build/build/workspace/ceph-pull-requests/build/bin/unittest_librbd+0x2f3de2d) (BuildId: 6a04677c6ee5235f1a41815df807f97c5b96d4cd)
#1 0x56440bd67751 in __gnu_cxx::new_allocator<Context*>::allocate(unsigned long, void const*) /usr/lib/gcc/x86_64-linux-gnu/11/../../../../include/c++/11/ext/new_allocator.h:127:27
#2 0x56440bd676e0 in std::allocator<Context*>::allocate(unsigned long) /usr/lib/gcc/x86_64-linux-gnu/11/../../../../include/c++/11/bits/allocator.h:185:32
#3 0x56440bd676e0 in std::allocator_traits<std::allocator<Context*>>::allocate(std::allocator<Context*>&, unsigned long) /usr/lib/gcc/x86_64-linux-gnu/11/../../../../include/c++/11/bits/alloc_traits.h:464:20
#4 0x56440bd6730b in std::_Vector_base<Context*, std::allocator<Context*>>::_M_allocate(unsigned long) /usr/lib/gcc/x86_64-linux-gnu/11/../../../../include/c++/11/bits/stl_vector.h:346:20
#5 0x7fd33e00e8d1 in std::vector<Context*, std::allocator<Context*>>::reserve(unsigned long) /usr/lib/gcc/x86_64-linux-gnu/11/../../../../include/c++/11/bits/vector.tcc:78:22
#6 0x7fd33e00c51c in librbd::cache::pwl::SyncPoint::SyncPoint(unsigned long, ceph::common::CephContext*) /home/jenkins-build/build/workspace/ceph-pull-requests/src/librbd/cache/pwl/SyncPoint.cc:20:27
#7 0x56440bd65f26 in decltype(::new((void*)(0)) librbd::cache::pwl::SyncPoint(std::declval<unsigned long&>(), std::declval<ceph::common::CephContext*&>())) std::construct_at<librbd::cache::pwl::SyncPoint, unsigned long&, ceph::common::CephContext*&>(librbd::cache::pwl::SyncPoint*, unsigned long&, ceph::common::CephContext*&) /usr/lib/gcc/x86_64-linux-gnu/11/../../../../include/c++/11/bits/stl_construct.h:97:39
#8 0x56440bd65b98 in void std::allocator_traits<std::allocator<librbd::cache::pwl::SyncPoint>>::construct<librbd::cache::pwl::SyncPoint, unsigned long&, ceph::common::CephContext*&>(std::allocator<librbd::cache::pwl::SyncPoint>&, librbd::cache::pwl::SyncPoint*, unsigned long&, ceph::common::CephContext*&) /usr/lib/gcc/x86_64-linux-gnu/11/../../../../include/c++/11/bits/alloc_traits.h:518:4
#9 0x56440bd657d3 in std::_Sp_counted_ptr_inplace<librbd::cache::pwl::SyncPoint, std::allocator<librbd::cache::pwl::SyncPoint>, (__gnu_cxx::_Lock_policy)2>::_Sp_counted_ptr_inplace<unsigned long&, ceph::common::CephContext*&>(std::allocator<librbd::cache::pwl::SyncPoint>, unsigned long&, ceph::common::CephContext*&) /usr/lib/gcc/x86_64-linux-gnu/11/../../../../include/c++/11/bits/shared_ptr_base.h:519:4
#10 0x56440bd65371 in std::__shared_count<(__gnu_cxx::_Lock_policy)2>::__shared_count<librbd::cache::pwl::SyncPoint, std::allocator<librbd::cache::pwl::SyncPoint>, unsigned long&, ceph::common::CephContext*&>(librbd::cache::pwl::SyncPoint*&, std::_Sp_alloc_shared_tag<std::allocator<librbd::cache::pwl::SyncPoint>>, unsigned long&, ceph::common::CephContext*&) /usr/lib/gcc/x86_64-linux-gnu/11/../../../../include/c++/11/bits/shared_ptr_base.h:651:6
#11 0x56440bd65163 in std::__shared_ptr<librbd::cache::pwl::SyncPoint, (__gnu_cxx::_Lock_policy)2>::__shared_ptr<std::allocator<librbd::cache::pwl::SyncPoint>, unsigned long&, ceph::common::CephContext*&>(std::_Sp_alloc_shared_tag<std::allocator<librbd::cache::pwl::SyncPoint>>, unsigned long&, ceph::common::CephContext*&) /usr/lib/gcc/x86_64-linux-gnu/11/../../../../include/c++/11/bits/shared_ptr_base.h:1342:14
#12 0x56440bd650e6 in std::shared_ptr<librbd::cache::pwl::SyncPoint>::shared_ptr<std::allocator<librbd::cache::pwl::SyncPoint>, unsigned long&, ceph::common::CephContext*&>(std::_Sp_alloc_shared_tag<std::allocator<librbd::cache::pwl::SyncPoint>>, unsigned long&, ceph::common::CephContext*&) /usr/lib/gcc/x86_64-linux-gnu/11/../../../../include/c++/11/bits/shared_ptr.h:409:4
#13 0x56440bd65057 in std::shared_ptr<librbd::cache::pwl::SyncPoint> std::allocate_shared<librbd::cache::pwl::SyncPoint, std::allocator<librbd::cache::pwl::SyncPoint>, unsigned long&, ceph::common::CephContext*&>(std::allocator<librbd::cache::pwl::SyncPoint> const&, unsigned long&, ceph::common::CephContext*&) /usr/lib/gcc/x86_64-linux-gnu/11/../../../../include/c++/11/bits/shared_ptr.h:862:14
#14 0x56440bca97e7 in std::shared_ptr<librbd::cache::pwl::SyncPoint> std::make_shared<librbd::cache::pwl::SyncPoint, unsigned long&, ceph::common::CephContext*&>(unsigned long&, ceph::common::CephContext*&) /usr/lib/gcc/x86_64-linux-gnu/11/../../../../include/c++/11/bits/shared_ptr.h:878:14
ceph#15 0x56440bd443c8 in librbd::cache::pwl::AbstractWriteLog<librbd::MockImageCtx>::new_sync_point(librbd::cache::pwl::DeferredContexts&) /home/jenkins-build/build/workspace/ceph-pull-requests/src/librbd/cache/pwl/AbstractWriteLog.cc:1905:20
ceph#16 0x56440bd42e4c in librbd::cache::pwl::AbstractWriteLog<librbd::MockImageCtx>::flush_new_sync_point(librbd::cache::pwl::C_FlushRequest<librbd::cache::pwl::AbstractWriteLog<librbd::MockImageCtx>>*, librbd::cache::pwl::DeferredContexts&) /home/jenkins-build/build/workspace/ceph-pull-requests/src/librbd/cache/pwl/AbstractWriteLog.cc:1951:3
ceph#17 0x56440bd9cbf2 in librbd::cache::pwl::AbstractWriteLog<librbd::MockImageCtx>::flush_new_sync_point_if_needed(librbd::cache::pwl::C_FlushRequest<librbd::cache::pwl::AbstractWriteLog<librbd::MockImageCtx>>*, librbd::cache::pwl::DeferredContexts&) /home/jenkins-build/build/workspace/ceph-pull-requests/src/librbd/cache/pwl/AbstractWriteLog.cc:1990:5
ceph#18 0x56440bd9c636 in librbd::cache::pwl::AbstractWriteLog<librbd::MockImageCtx>::internal_flush(bool, Context*)::'lambda'(librbd::cache::pwl::GuardedRequestFunctionContext&)::operator()(librbd::cache::pwl::GuardedRequestFunctionContext&) const /home/jenkins-build/build/workspace/ceph-pull-requests/src/librbd/cache/pwl/AbstractWriteLog.cc:2152:9
ceph#19 0x56440bd9b9b4 in boost::detail::function::void_function_obj_invoker<librbd::cache::pwl::AbstractWriteLog<librbd::MockImageCtx>::internal_flush(bool, Context*)::'lambda'(librbd::cache::pwl::GuardedRequestFunctionContext&), void, librbd::cache::pwl::GuardedRequestFunctionContext&>::invoke(boost::detail::function::function_buffer&, librbd::cache::pwl::GuardedRequestFunctionContext&) /opt/ceph/include/boost/function/function_template.hpp:100:11
ceph#20 0x56440bd29321 in boost::function_n<void, librbd::cache::pwl::GuardedRequestFunctionContext&>::operator()(librbd::cache::pwl::GuardedRequestFunctionContext&) const /opt/ceph/include/boost/function/function_template.hpp:789:14
ceph#21 0x56440bd28d85 in librbd::cache::pwl::GuardedRequestFunctionContext::finish(int) /home/jenkins-build/build/workspace/ceph-pull-requests/src/librbd/cache/pwl/Request.h:335:5
ceph#22 0x5644091e0fe0 in Context::complete(int) /home/jenkins-build/build/workspace/ceph-pull-requests/src/include/Context.h:102:5
ceph#23 0x56440bd9b378 in librbd::cache::pwl::AbstractWriteLog<librbd::MockImageCtx>::detain_guarded_request(librbd::cache::pwl::C_BlockIORequest<librbd::cache::pwl::AbstractWriteLog<librbd::MockImageCtx>>*, librbd::cache::pwl::GuardedRequestFunctionContext*, bool) /home/jenkins-build/build/workspace/ceph-pull-requests/src/librbd/cache/pwl/AbstractWriteLog.cc:1202:20
ceph#24 0x56440bd96c50 in librbd::cache::pwl::AbstractWriteLog<librbd::MockImageCtx>::internal_flush(bool, Context*) /home/jenkins-build/build/workspace/ceph-pull-requests/src/librbd/cache/pwl/AbstractWriteLog.cc:2154:3
ceph#25 0x56440bd1e4b5 in librbd::cache::pwl::AbstractWriteLog<librbd::MockImageCtx>::shut_down(Context*) /home/jenkins-build/build/workspace/ceph-pull-requests/src/librbd/cache/pwl/AbstractWriteLog.cc:703:3
ceph#26 0x56440bdb9022 in librbd::cache::pwl::TestMockCacheSSDWriteLog_compare_and_write_compare_matched_Test::TestBody() /home/jenkins-build/build/workspace/ceph-pull-requests/src/test/librbd/cache/pwl/test_mock_SSDWriteLog.cc:403:7
```
Fixes: https://tracker.ceph.com/issues/71335
Signed-off-by: Kefu Chai <tchaikov@gmail.com>
(cherry picked from commit 05fd6f9)
djgalloway
pushed a commit
that referenced
this pull request
Mar 23, 2026
The test creates OSD messages (MOSDPGLease, MOSDPGNotify2,
MBackfillReserve, etc.) via ceph::make_message but the mock
PGListener accumulates them in a messages map without clearing them
at test teardown. This caused ~100 leak reports in CI.
Fix by explicitly clearing undispatched messages in TearDown() before
destroying the listeners. This ensures all MessageRef objects are
properly released even if not all messages were dispatched during the
test.
Part of the leak report:
```
==77847==ERROR: LeakSanitizer: detected memory leaks
Direct leak of 86400 byte(s) in 48 object(s) allocated from:
#0 0x61806af7c2bd in operator new(unsigned long) (/ceph/build/bin/unittest_peeringstate+0x9092bd) (BuildId: 9a900986804eedf4e9290ec705e6444f4bf0ba94)
#1 0x61806b4bc9b9 in boost::intrusive_ptr<MOSDPGInfo2> ceph::make_message<MOSDPGInfo2, spg_t&, pg_info_t const&, unsigned int&, unsigned int&, std::optional<pg_lease_t>&, std::optional<pg_lease_ack_t>&>(spg_t&, pg_info_t const&, unsigned int&, unsigned int&, std::optional<pg_lease_t>&, std::optional<pg_lease_ack_t>&) /ceph/src/msg/Message.h:597:11
#2 0x61806b3e182a in BufferedRecoveryMessages::send_info(int, spg_t, unsigned int, unsigned int, pg_info_t const&, std::optional<pg_lease_t>, std::optional<pg_lease_ack_t>) /ceph/src/osd/PeeringState.cc:86:5
#3 0x61806b4c86c9 in PeeringCtxWrapper::send_info(int, spg_t, unsigned int, unsigned int, pg_info_t const&, std::optional<pg_lease_t>, std::optional<pg_lease_ack_t>) /ceph/src/osd/PeeringState.h:269:10
#4 0x61806b48a56c in PeeringState::ReplicaActive::react(PeeringState::ActivateCommitted const&) /ceph/src/osd/PeeringState.cc:7011:8
#5 0x61806b5f7cb6 in boost::statechart::detail::reaction_result boost::statechart::custom_reaction<PeeringState::ActivateCommitted>::react<PeeringState::ReplicaActive, boost::statechart::event_base, void const*>(PeeringState::ReplicaActive&, boost::statechart::event_base const&, void const* const&) /opt/ceph/include/boost/statechart/custom_reaction.hpp:42:15
#6 0x61806b5f7b1d in boost::statechart::detail::reaction_result boost::statechart::simple_state<PeeringState::ReplicaActive, PeeringState::Started, PeeringState::RepNotRecovering, (boost::statechart::history_mode)0>::local_react_impl_non_empty::local_react_impl<boost::mpl::list10<boost::statechart::custom_reaction<PeeringState::ActivateCommitted>, boost::statechart::custom_reaction<DeferRecovery>, boost::statechart::custom_reaction<DeferBackfill>, boost::statechart::custom_reaction<PeeringState::UnfoundRecovery>, boost::statechart::custom_reaction<PeeringState::UnfoundBackfill>, boost::statechart::custom_reaction<PeeringState::RemoteBackfillPreempted>, boost::statechart::custom_reaction<PeeringState::RemoteRecoveryPreempted>, boost::statechart::custom_reaction<RecoveryDone>, boost::statechart::transition<PeeringState::DeleteStart, PeeringState::ToDelete, boost::statechart::detail::no_context<PeeringState::DeleteStart>, &boost::statechart::detail::no_context<PeeringState::DeleteStart>::no_function(PeeringState::DeleteStart const&)>, boost::statechart::custom_reaction<MLease>>, boost::statechart::simple_state<PeeringState::ReplicaActive, PeeringState::Started, PeeringState::RepNotRecovering, (boost::statechart::history_mode)0>>(boost::statechart::simple_state<PeeringState::ReplicaActive, PeeringState::Started, PeeringState::RepNotRecovering, (boost::statechart::history_mode)0>&, boost::statechart::event_base const&, void const*) /opt/ceph/include/boost/statechart/simple_state.hpp:814:11
#7 0x61806b5f79b4 in boost::statechart::detail::reaction_result boost::statechart::simple_state<PeeringState::ReplicaActive, PeeringState::Started, PeeringState::RepNotRecovering, (boost::statechart::history_mode)0>::local_react<boost::mpl::list10<boost::statechart::custom_reaction<PeeringState::ActivateCommitted>, boost::statechart::custom_reaction<DeferRecovery>, boost::statechart::custom_reaction<DeferBackfill>, boost::statechart::custom_reaction<PeeringState::UnfoundRecovery>, boost::statechart::custom_reaction<PeeringState::UnfoundBackfill>, boost::statechart::custom_reaction<PeeringState::RemoteBackfillPreempted>, boost::statechart::custom_reaction<PeeringState::RemoteRecoveryPreempted>, boost::statechart::custom_reaction<RecoveryDone>, boost::statechart::transition<PeeringState::DeleteStart, PeeringState::ToDelete, boost::statechart::detail::no_context<PeeringState::DeleteStart>, &boost::statechart::detail::no_context<PeeringState::DeleteStart>::no_function(PeeringState::DeleteStart const&)>, boost::statechart::custom_reaction<MLease>>>(boost::statechart::event_base const&, void const*) /opt/ceph/include/boost/statechart/simple_state.hpp:850:14
```
Signed-off-by: Kefu Chai <k.chai@proxmox.com>
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