Details
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Bug
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Status: Resolved
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Blocker
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Resolution: Fixed
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None
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None
Description
Running make check on Ubuntu under gdb, I've seen a number of segfaults from the process::EventLoop. Stack traces and debugging sessions below:
(gdb) bt
#0 0x0000000000789c71 in std::move<std::_Tuple_impl<2ul>&> (__t=...) at /usr/bin/../lib/gcc/x86_64-linux-gnu/4.8/../../../../include/c++/4.8/bits/move.h:102
#1 0x00007ffff6821148 in std::_Tuple_impl<1, void (*)()>::_Tuple_impl(<unknown type in build/src/.libs/libmesos-0.22.0.so, CU 0x27e516d, DIE 0x27f7273>) (
this=0x7fffe00228d8, __in=<unknown type in build/src/.libs/libmesos-0.22.0.so, CU 0x27e516d, DIE 0x27f7273>)
at /usr/bin/../lib/gcc/x86_64-linux-gnu/4.8/../../../../include/c++/4.8/tuple:270
#2 0x00007ffff68210a4 in std::_Tuple_impl<0, Duration, void (*)()>::_Tuple_impl(<unknown type in build/src/.libs/libmesos-0.22.0.so, CU 0x27e516d, DIE 0x27f71f7>) (this=0x7fffe00228d8, __in=<unknown type in build/src/.libs/libmesos-0.22.0.so, CU 0x27e516d, DIE 0x27f71f7>)
at /usr/bin/../lib/gcc/x86_64-linux-gnu/4.8/../../../../include/c++/4.8/tuple:271
#3 0x00007ffff6821068 in std::tuple<Duration, void (*)()>::tuple(<unknown type in build/src/.libs/libmesos-0.22.0.so, CU 0x27e516d, DIE 0x27f71c4>) (
this=0x7fffe00228d8) at /usr/bin/../lib/gcc/x86_64-linux-gnu/4.8/../../../../include/c++/4.8/tuple:542
#4 0x00007ffff6821014 in std::_Bind<process::Future<Nothing> (*(Duration, void (*)()))(const Duration &, void (*)())>::_Bind(<unknown type in build/src/.libs/libmesos-0.22.0.so, CU 0x27e516d, DIE 0x27f718d>) (this=0x7fffe00228d0, __b=<unknown type in build/src/.libs/libmesos-0.22.0.so, CU 0x27e516d, DIE 0x27f718d>)
at /usr/bin/../lib/gcc/x86_64-linux-gnu/4.8/../../../../include/c++/4.8/functional:1342
#5 0x00007ffff6820f86 in std::_Function_base::_Base_manager<std::_Bind<process::Future<Nothing> (*(Duration, void (*)()))(Duration const&, void (*)())> >::_M_init_functor(std::_Any_data&, std::_Bind<process::Future<Nothing> (*(Duration, void (*)()))(Duration const&, void (*)())>&&, std::integral_constant<bool, false>) (__functor=..., __f=<unknown type in build/src/.libs/libmesos-0.22.0.so, CU 0x27e516d, DIE 0x27f714b>)
at /usr/bin/../lib/gcc/x86_64-linux-gnu/4.8/../../../../include/c++/4.8/functional:1987
#6 0x00007ffff6820ab0 in std::_Function_base::_Base_manager<std::_Bind<process::Future<Nothing> (*(Duration, void (*)()))(Duration const&, void (*)())> >::_M_init_functor(std::_Any_data&, std::_Bind<process::Future<Nothing> (*(Duration, void (*)()))(Duration const&, void (*)())>&&) (__functor=...,
__f=<unknown type in build/src/.libs/libmesos-0.22.0.so, CU 0x27e516d, DIE 0x27f7115>)
at /usr/bin/../lib/gcc/x86_64-linux-gnu/4.8/../../../../include/c++/4.8/functional:1958
#7 0x00007ffff68208e6 in std::function<process::Future<Nothing> ()>::function<std::_Bind<process::Future<Nothing> (*(Duration, void (*)()))(const Duration &, void (*)())>, void>(std::_Bind<process::Future<Nothing> (*(Duration, void (*)()))(const Duration &, void (*)())>) (this=0x7fffe85ca9d0, __f=...)
at /usr/bin/../lib/gcc/x86_64-linux-gnu/4.8/../../../../include/c++/4.8/functional:2451
#8 0x00007ffff681fe55 in process::EventLoop::delay (duration=..., function=0x7ffff6729580 <process::tick()>) at ../../../3rdparty/libprocess/src/libev.cpp:98
#9 0x00007ffff672a151 in process::tick () at ../../../3rdparty/libprocess/src/clock.cpp:125
#10 0x00007ffff681fcb2 in process::internal::handle_delay (loop=0x7ffff7dd91f0 <default_loop_struct>, timer=0x7fffe00279b0, revents=256)
at ../../../3rdparty/libprocess/src/libev.cpp:64
#11 0x00007ffff685f8c5 in ev_invoke_pending (loop=0x7ffff7dd91f0 <default_loop_struct>) at ev.c:2994
#12 0x00007ffff6860803 in ev_run (loop=0x7ffff7dd91f0 <default_loop_struct>, flags=<optimized out>) at ev.c:3394
#13 0x00007ffff681fffb in ev_loop (loop=0x7ffff7dd91f0 <default_loop_struct>, flags=0) at 3rdparty/libev-4.15/ev.h:826
#14 0x00007ffff681ff49 in process::EventLoop::run () at ../../../3rdparty/libprocess/src/libev.cpp:114
#15 0x00007ffff21d2182 in start_thread (arg=0x7fffe85cb700) at pthread_create.c:312
#16 0x00007ffff1eff00d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
(gdb) frame 8
#8 0x00007ffff681fe55 in process::EventLoop::delay (duration=..., function=0x7ffff6729580 <process::tick()>) at ../../../3rdparty/libprocess/src/libev.cpp:98
98 run_in_event_loop<Nothing>(
(gdb) list
93 } // namespace internal {
94
95
96 void EventLoop::delay(const Duration& duration, void(*function)(void))
97 {
98 run_in_event_loop<Nothing>(
99 lambda::bind(&internal::delay, duration, function));
100 }
101
102
(gdb) p duration
$1 = (const Duration &) @0x7fffe000da90: {static NANOSECONDS = 1, static MICROSECONDS = 1000, static MILLISECONDS = 1000000, static SECONDS = 1000000000,
static MINUTES = 60000000000, static HOURS = 3600000000000, static DAYS = 86400000000000, static WEEKS = 604800000000000, nanos = 91569920}
(gdb) p function
$2 = (void (*)(void)) 0x7ffff6729580 <process::tick()>
(gdb) bt
#0 std::map<std::string, process::ProcessBase*, std::less<std::string>, std::allocator<std::pair<std::string const, process::ProcessBase*> > >::end (
this=0x7fffe0022620) at /usr/bin/../lib/gcc/x86_64-linux-gnu/4.8/../../../../include/c++/4.8/bits/stl_map.h:339
#1 0x00007ffff67c29dc in std::map<std::string, process::ProcessBase*, std::less<std::string>, std::allocator<std::pair<std::string const, process::ProcessBase*> > >::operator[] (this=0x32f6478, __k=...) at /usr/bin/../lib/gcc/x86_64-linux-gnu/4.8/../../../../include/c++/4.8/bits/stl_map.h:463
#2 0x00007ffff67a476a in process::ProcessManager::use (this=0x32f6470, pid=...) at ../../../3rdparty/libprocess/src/process.cpp:1944
#3 0x00007ffff67b1288 in process::ProcessManager::deliver (this=0x32f6470, to=..., event=0x7fffe00155c0, sender=0x0)
at ../../../3rdparty/libprocess/src/process.cpp:2113
#4 0x00007ffff67b5a0f in process::internal::dispatch(process::UPID const&, std::shared_ptr<std::function<void (process::ProcessBase*)> > const&, Option<std::type_info const*> const&) (pid=..., f=..., functionType=...) at ../../../3rdparty/libprocess/src/process.cpp:3032
#5 0x00007ffff681ab72 in process::dispatch<process::ReaperProcess> (pid=...,
method=(void (process::ReaperProcess::*)(process::ReaperProcess * const)) 0x7ffff6819800 <process::ReaperProcess::wait()>)
at ../../../3rdparty/libprocess/include/process/c++11/dispatch.hpp:81
#6 0x00007ffff681aa9f in operator() (this=0x7fffe0022620) at ../../../3rdparty/libprocess/include/process/c++11/delay.hpp:24
#7 0x00007ffff681a82d in std::_Function_handler<void (), process::Timer process::delay<process::ReaperProcess>(Duration const&, process::PID<process::ReaperProcess> const&, void (process::ReaperProcess::*)())::{lambda()#1}>::_M_invoke(std::_Any_data const&) (__functor=...)
at /usr/bin/../lib/gcc/x86_64-linux-gnu/4.8/../../../../include/c++/4.8/functional:2071
#8 0x000000000078114e in std::function<void ()>::operator()() const (this=0x7fffe0015c80)
at /usr/bin/../lib/gcc/x86_64-linux-gnu/4.8/../../../../include/c++/4.8/functional:2464
#9 0x00007ffff67b7e2c in process::Timer::operator() (this=0x7fffe0015c60) at ../../../3rdparty/libprocess/include/process/timer.hpp:30
#10 0x00007ffff67a462d in process::timedout (timers=...) at ../../../3rdparty/libprocess/src/process.cpp:676
#11 0x00007ffff67f54c3 in std::_Bind<void (*(std::_Placeholder<1>))(std::list<process::Timer, std::allocator<process::Timer> > const&)>::__call<void, std::list<process::Timer, std::allocator<process::Timer> > const&, 0ul>(std::tuple<std::list<process::Timer, std::allocator<process::Timer> > const&>&&, std::_Index_tuple<0ul>) (this=0x32f7870, __args=<unknown type in build/src/.libs/libmesos-0.22.0.so, CU 0x262cc71, DIE 0x26f28e2>)
at /usr/bin/../lib/gcc/x86_64-linux-gnu/4.8/../../../../include/c++/4.8/functional:1295
#12 0x00007ffff67f546d in std::_Bind<void (*(std::_Placeholder<1>))(std::list<process::Timer, std::allocator<process::Timer> > const&)>::operator()<std::list<process::Timer, std::allocator<process::Timer> > const&, void>(std::list<process::Timer, std::allocator<process::Timer> > const&) (this=0x32f7870, __args=...)
at /usr/bin/../lib/gcc/x86_64-linux-gnu/4.8/../../../../include/c++/4.8/functional:1353
#13 0x00007ffff67f5222 in std::_Function_handler<void (std::list<process::Timer, std::allocator<process::Timer> > const&), std::_Bind<void (*(std::_Placeholder<1>))(std::list<process::Timer, std::allocator<process::Timer> > const&)> >::_M_invoke(std::_Any_data const&, std::list<process::Timer, std::allocator<process::Timer> > const&) (__functor=..., __args=...) at /usr/bin/../lib/gcc/x86_64-linux-gnu/4.8/../../../../include/c++/4.8/functional:2071
#14 0x00007ffff6737c38 in std::function<void (std::list<process::Timer, std::allocator<process::Timer> > const&)>::operator()(std::list<process::Timer, std::allocator<process::Timer> > const&) const (this=0x7ffff7dc86b0 <process::clock::callback>, __args=...)
at /usr/bin/../lib/gcc/x86_64-linux-gnu/4.8/../../../../include/c++/4.8/functional:2464
#15 0x00007ffff67347cb in process::tick () at ../../../3rdparty/libprocess/src/clock.cpp:129
#16 0x00007ffff682a2d2 in process::internal::handle_delay (loop=0x7ffff7dd91a0 <default_loop_struct>, timer=0x7fffe0015580, revents=256)
at ../../../3rdparty/libprocess/src/libev.cpp:64
#17 0x00007ffff6869ee5 in ev_invoke_pending (loop=0x7ffff7dd91a0 <default_loop_struct>) at ev.c:2994
#18 0x00007ffff686ae23 in ev_run (loop=0x7ffff7dd91a0 <default_loop_struct>, flags=<optimized out>) at ev.c:3394
#19 0x00007ffff682a61b in ev_loop (loop=0x7ffff7dd91a0 <default_loop_struct>, flags=0) at 3rdparty/libev-4.15/ev.h:826
#20 0x00007ffff682a569 in process::EventLoop::run () at ../../../3rdparty/libprocess/src/libev.cpp:114
#21 0x00007ffff2205182 in start_thread (arg=0x7fffe85fe700) at pthread_create.c:312
#22 0x00007ffff1f3200d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
(gdb) frame 2
#2 0x00007ffff67a476a in process::ProcessManager::use (this=0x32f6470, pid=...) at ../../../3rdparty/libprocess/src/process.cpp:1944
1944 return ProcessReference(processes[pid.id]);
(gdb) p pid.id
$3 = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>},
_M_p = 0x7fffcc008768 "reaper(1)"}}
(gdb) bt
#0 std::_Any_data::_M_access (this=0x7fffe85fd9d0) at /usr/bin/../lib/gcc/x86_64-linux-gnu/4.8/../../../../include/c++/4.8/functional:1799
#1 0x00007ffff682b345 in std::_Any_data::_M_access<std::_Bind<process::Future<Nothing> (*(Duration, void (*)()))(Duration const&, void (*)())>*>() const (
this=0x7fffe85fd9d0) at /usr/bin/../lib/gcc/x86_64-linux-gnu/4.8/../../../../include/c++/4.8/functional:1809
#2 0x00007ffff682b225 in std::_Function_base::_Base_manager<std::_Bind<process::Future<Nothing> (*(Duration, void (*)()))(Duration const&, void (*)())> >::_M_get_pointer(std::_Any_data const&) (__source=...) at /usr/bin/../lib/gcc/x86_64-linux-gnu/4.8/../../../../include/c++/4.8/functional:1893
#3 0x00007ffff682b133 in std::_Function_handler<process::Future<Nothing> (), std::_Bind<process::Future<Nothing> (*(Duration, void (*)()))(Duration const&, void (*)())> >::_M_invoke(std::_Any_data const&) (__functor=...) at /usr/bin/../lib/gcc/x86_64-linux-gnu/4.8/../../../../include/c++/4.8/functional:2056
#4 0x00007ffff5e0068d in std::function<process::Future<Nothing> ()>::operator()() const (this=0x7fffe85fd9d0)
at /usr/bin/../lib/gcc/x86_64-linux-gnu/4.8/../../../../include/c++/4.8/functional:2464
#5 0x00007ffff682ac21 in process::run_in_event_loop<Nothing>(std::function<process::Future<Nothing> ()> const&) (f=...)
at ../../../3rdparty/libprocess/src/libev.hpp:67
#6 0x00007ffff682a4a2 in process::EventLoop::delay (duration=..., function=0x7ffff6733ba0 <process::tick()>) at ../../../3rdparty/libprocess/src/libev.cpp:98
#7 0x00007ffff6734771 in process::tick () at ../../../3rdparty/libprocess/src/clock.cpp:125
#8 0x00007ffff682a2f2 in process::internal::handle_delay (loop=0x7ffff7dd91a0 <default_loop_struct>, timer=0x7fffe0015f70, revents=256)
at ../../../3rdparty/libprocess/src/libev.cpp:64
#9 0x00007ffff6869f05 in ev_invoke_pending (loop=0x7ffff7dd91a0 <default_loop_struct>) at ev.c:2994
#10 0x00007ffff686ae43 in ev_run (loop=0x7ffff7dd91a0 <default_loop_struct>, flags=<optimized out>) at ev.c:3394
#11 0x00007ffff682a63b in ev_loop (loop=0x7ffff7dd91a0 <default_loop_struct>, flags=0) at 3rdparty/libev-4.15/ev.h:826
#12 0x00007ffff682a589 in process::EventLoop::run () at ../../../3rdparty/libprocess/src/libev.cpp:114
#13 0x00007ffff2205182 in start_thread (arg=0x7fffe85fe700) at pthread_create.c:312
#14 0x00007ffff1f3200d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
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