[Dclib-devel] Invalid read of size 1

[Steven V. I. <st...@va...>]

I think this is because the object is deleted, but somehow it is still
reading from it... Can that be? I don't delete threads from anywhere...

==06:20:12:05.257 26069==
==06:20:12:05.257 26069== 2 errors in context 10 of 41:
==06:20:12:05.257 26069== Invalid read of size 1
==06:20:12:05.257 26069==    at 0x80DDA93:
dlib::threaded_object::should_stop() const
(threaded_object_extension.cpp:169)
==06:20:12:05.257 26069==    by 0x80D230C: ProbePoolHelper::thread()
(ProbePool.cpp:33)
==06:20:12:05.257 26069==    by 0x80E5043:
dlib::threaded_object::thread_helper() (threaded_object_extension.cpp:183)
==06:20:12:05.257 26069==    by 0x80F37CC: void
dlib::dlib_create_new_thread_helper<dlib::threaded_object,
&(dlib::threaded_object::thread_helper())>(void*)
(create_new_thread_extension.h:24)
==06:20:12:05.257 26069==    by 0x80E5171:
dlib::threads_kernel_shared::thread_starter(void*)
(threads_kernel_shared.cpp:231)
==06:20:12:05.257 26069==    by 0x80E5DC8:
dlib::threads_kernel_shared_helpers::thread_starter(void*)
(threads_kernel_2.cpp:39)
==06:20:12:05.257 26069==    by 0x29849A: start_thread (in /lib/
libpthread-2.5.so)
==06:20:12:05.257 26069==    by 0x21842D: clone (in /lib/libc-2.5.so)
==06:20:12:05.257 26069==  Address 0x41A6E2A is 90 bytes inside a block of
size 104 free'd
==06:20:12:05.257 26069==    at 0x4004CF1: operator delete(void*)
(vg_replace_malloc.c:244)
==06:20:12:05.257 26069==    by 0x80D238A:
ProbePoolHelper::~ProbePoolHelper() (ProbePool.cpp:13)
==06:20:12:05.257 26069==    by 0x80D1CE7:
dlib::shared_ptr<ProbePoolHelper>::~shared_ptr() (shared_ptr.h:187)
==06:20:12:05.257 26069==    by 0x80D1D3A: void
std::_Destroy<dlib::shared_ptr<ProbePoolHelper>
>(dlib::shared_ptr<ProbePoolHelper>*) (stl_construct.h:107)
==06:20:12:05.257 26069==    by 0x80D1D50: void
std::__destroy_aux<dlib::shared_ptr<ProbePoolHelper>*>(dlib::shared_ptr<ProbePoolHelper>*,
dlib::shared_ptr<ProbePoolHelper>*, __false_type) (stl_construct.h:122)
==06:20:12:05.257 26069==    by 0x80D1D7F: void
std::_Destroy<dlib::shared_ptr<ProbePoolHelper>*>(dlib::shared_ptr<ProbePoolHelper>*,
dlib::shared_ptr<ProbePoolHelper>*) (stl_construct.h:155)
==06:20:12:05.257 26069==    by 0x80D1D99: void
std::_Destroy<dlib::shared_ptr<ProbePoolHelper>*,
dlib::shared_ptr<ProbePoolHelper> >(dlib::shared_ptr<ProbePoolHelper>*,
dlib::shared_ptr<ProbePoolHelper>*, std::allocator<dlib::shared_ptr<
ProbePoolHelper> >) (stl_construct.h:182)
==06:20:12:05.257 26069==    by 0x80D2020:
std::vector<dlib::shared_ptr<ProbePoolHelper>,
std::allocator<dlib::shared_ptr<ProbePoolHelper> > >::~vector()
(stl_vector.h:272)
==06:20:12:05.257 26069==    by 0x80D144E: ProbePool::~ProbePool()
(ProbePool.cpp:68)
==06:20:12:05.258 26069==    by 0x80C3177: main (main.cpp:61)
==06:20:12:05.258 26069==
==06:20:12:05.258 26069== 2 errors in context 11 of 41:
==06:20:12:05.258 26069== Invalid read of size 1
==06:20:12:05.258 26069==    at 0x80DDA88:
dlib::threaded_object::should_stop() const
(threaded_object_extension.cpp:167)
==06:20:12:05.258 26069==    by 0x80D230C: ProbePoolHelper::thread()
(ProbePool.cpp:33)
==06:20:12:05.258 26069==    by 0x80E5043:
dlib::threaded_object::thread_helper() (threaded_object_extension.cpp:183)
==06:20:12:05.258 26069==    by 0x80F37CC: void
dlib::dlib_create_new_thread_helper<dlib::threaded_object,
&(dlib::threaded_object::thread_helper())>(void*)
(create_new_thread_extension.h:24)
==06:20:12:05.258 26069==    by 0x80E5171:
dlib::threads_kernel_shared::thread_starter(void*)
(threads_kernel_shared.cpp:231)
==06:20:12:05.258 26069==    by 0x80E5DC8:
dlib::threads_kernel_shared_helpers::thread_starter(void*)
(threads_kernel_2.cpp:39)
==06:20:12:05.258 26069==    by 0x29849A: start_thread (in /lib/
libpthread-2.5.so)
==06:20:12:05.258 26069==    by 0x21842D: clone (in /lib/libc-2.5.so)
==06:20:12:05.258 26069==  Address 0x41A6E2A is 90 bytes inside a block of
size 104 free'd
==06:20:12:05.258 26069==    at 0x4004CF1: operator delete(void*)
(vg_replace_malloc.c:244)
==06:20:12:05.258 26069==    by 0x80D238A:
ProbePoolHelper::~ProbePoolHelper() (ProbePool.cpp:13)
==06:20:12:05.258 26069==    by 0x80D1CE7:
dlib::shared_ptr<ProbePoolHelper>::~shared_ptr() (shared_ptr.h:187)
==06:20:12:05.258 26069==    by 0x80D1D3A: void
std::_Destroy<dlib::shared_ptr<ProbePoolHelper>
>(dlib::shared_ptr<ProbePoolHelper>*) (stl_construct.h:107)
==06:20:12:05.258 26069==    by 0x80D1D50: void
std::__destroy_aux<dlib::shared_ptr<ProbePoolHelper>*>(dlib::shared_ptr<ProbePoolHelper>*,
dlib::shared_ptr<ProbePoolHelper>*, __false_type) (stl_construct.h:122)
==06:20:12:05.258 26069==    by 0x80D1D7F: void
std::_Destroy<dlib::shared_ptr<ProbePoolHelper>*>(dlib::shared_ptr<ProbePoolHelper>*,
dlib::shared_ptr<ProbePoolHelper>*) (stl_construct.h:155)
==06:20:12:05.258 26069==    by 0x80D1D99: void
std::_Destroy<dlib::shared_ptr<ProbePoolHelper>*,
dlib::shared_ptr<ProbePoolHelper> >(dlib::shared_ptr<ProbePoolHelper>*,
dlib::shared_ptr<ProbePoolHelper>*, std::allocator<dlib::shared_ptr<
ProbePoolHelper> >) (stl_construct.h:182)
==06:20:12:05.258 26069==    by 0x80D2020:
std::vector<dlib::shared_ptr<ProbePoolHelper>,
std::allocator<dlib::shared_ptr<ProbePoolHelper> > >::~vector()
(stl_vector.h:272)
==06:20:12:05.258 26069==    by 0x80D144E: ProbePool::~ProbePool()
(ProbePool.cpp:68)
==06:20:12:05.258 26069==    by 0x80C3177: main (main.cpp:61)
==06:20:12:05.258 26069==
==06:20:12:05.258 26069== 2 errors in context 12 of 41:
==06:20:12:05.258 26069== Invalid read of size 1
==06:20:12:05.258 26069==    at 0x80DDA7D:
dlib::threaded_object::should_stop() const
(threaded_object_extension.cpp:167)
==06:20:12:05.258 26069==    by 0x80D230C: ProbePoolHelper::thread()
(ProbePool.cpp:33)
==06:20:12:05.258 26069==    by 0x80E5043:
dlib::threaded_object::thread_helper() (threaded_object_extension.cpp:183)
==06:20:12:05.259 26069==    by 0x80F37CC: void
dlib::dlib_create_new_thread_helper<dlib::threaded_object,
&(dlib::threaded_object::thread_helper())>(void*)
(create_new_thread_extension.h:24)
==06:20:12:05.259 26069==    by 0x80E5171:
dlib::threads_kernel_shared::thread_starter(void*)
(threads_kernel_shared.cpp:231)
==06:20:12:05.259 26069==    by 0x80E5DC8:
dlib::threads_kernel_shared_helpers::thread_starter(void*)
(threads_kernel_2.cpp:39)
==06:20:12:05.259 26069==    by 0x29849A: start_thread (in /lib/
libpthread-2.5.so)
==06:20:12:05.259 26069==    by 0x21842D: clone (in /lib/libc-2.5.so)
==06:20:12:05.259 26069==  Address 0x41A6E28 is 88 bytes inside a block of
size 104 free'd
==06:20:12:05.259 26069==    at 0x4004CF1: operator delete(void*)
(vg_replace_malloc.c:244)
==06:20:12:05.259 26069==    by 0x80D238A:
ProbePoolHelper::~ProbePoolHelper() (ProbePool.cpp:13)
==06:20:12:05.259 26069==    by 0x80D1CE7:
dlib::shared_ptr<ProbePoolHelper>::~shared_ptr() (shared_ptr.h:187)
==06:20:12:05.259 26069==    by 0x80D1D3A: void
std::_Destroy<dlib::shared_ptr<ProbePoolHelper>
>(dlib::shared_ptr<ProbePoolHelper>*) (stl_construct.h:107)
==06:20:12:05.259 26069==    by 0x80D1D50: void
std::__destroy_aux<dlib::shared_ptr<ProbePoolHelper>*>(dlib::shared_ptr<ProbePoolHelper>*,
dlib::shared_ptr<ProbePoolHelper>*, __false_type) (stl_construct.h:122)
==06:20:12:05.259 26069==    by 0x80D1D7F: void
std::_Destroy<dlib::shared_ptr<ProbePoolHelper>*>(dlib::shared_ptr<ProbePoolHelper>*,
dlib::shared_ptr<ProbePoolHelper>*) (stl_construct.h:155)
==06:20:12:05.259 26069==    by 0x80D1D99: void
std::_Destroy<dlib::shared_ptr<ProbePoolHelper>*,
dlib::shared_ptr<ProbePoolHelper> >(dlib::shared_ptr<ProbePoolHelper>*,
dlib::shared_ptr<ProbePoolHelper>*, std::allocator<dlib::shared_ptr<
ProbePoolHelper> >) (stl_construct.h:182)
==06:20:12:05.259 26069==    by 0x80D2020:
std::vector<dlib::shared_ptr<ProbePoolHelper>,
std::allocator<dlib::shared_ptr<ProbePoolHelper> > >::~vector()
(stl_vector.h:272)
==06:20:12:05.259 26069==    by 0x80D144E: ProbePool::~ProbePool()
(ProbePool.cpp:68)
==06:20:12:05.259 26069==    by 0x80C3177: main (main.cpp:61)
==06:20:12:05.259 26069==
==06:20:12:05.259 26069== 2 errors in context 13 of 41:
==06:20:12:05.259 26069== Invalid read of size 1
==06:20:12:05.259 26069==    at 0x80DDA93:
dlib::threaded_object::should_stop() const
(threaded_object_extension.cpp:169)
==06:20:12:05.259 26069==    by 0x80D22C5: ProbePoolHelper::thread()
(ProbePool.cpp:46)
==06:20:12:05.259 26069==    by 0x80E5043:
dlib::threaded_object::thread_helper() (threaded_object_extension.cpp:183)
==06:20:12:05.259 26069==    by 0x80F37CC: void
dlib::dlib_create_new_thread_helper<dlib::threaded_object,
&(dlib::threaded_object::thread_helper())>(void*)
(create_new_thread_extension.h:24)
==06:20:12:05.259 26069==    by 0x80E5171:
dlib::threads_kernel_shared::thread_starter(void*)
(threads_kernel_shared.cpp:231)
==06:20:12:05.259 26069==    by 0x80E5DC8:
dlib::threads_kernel_shared_helpers::thread_starter(void*)
(threads_kernel_2.cpp:39)
==06:20:12:05.259 26069==    by 0x29849A: start_thread (in /lib/
libpthread-2.5.so)
==06:20:12:05.259 26069==    by 0x21842D: clone (in /lib/libc-2.5.so)
==06:20:12:05.259 26069==  Address 0x41A6E2A is 90 bytes inside a block of
size 104 free'd
==06:20:12:05.260 26069==    at 0x4004CF1: operator delete(void*)
(vg_replace_malloc.c:244)
==06:20:12:05.260 26069==    by 0x80D238A:
ProbePoolHelper::~ProbePoolHelper() (ProbePool.cpp:13)
==06:20:12:05.260 26069==    by 0x80D1CE7:
dlib::shared_ptr<ProbePoolHelper>::~shared_ptr() (shared_ptr.h:187)
==06:20:12:05.260 26069==    by 0x80D1D3A: void
std::_Destroy<dlib::shared_ptr<ProbePoolHelper>
>(dlib::shared_ptr<ProbePoolHelper>*) (stl_construct.h:107)
==06:20:12:05.260 26069==    by 0x80D1D50: void
std::__destroy_aux<dlib::shared_ptr<ProbePoolHelper>*>(dlib::shared_ptr<ProbePoolHelper>*,
dlib::shared_ptr<ProbePoolHelper>*, __false_type) (stl_construct.h:122)
==06:20:12:05.260 26069==    by 0x80D1D7F: void
std::_Destroy<dlib::shared_ptr<ProbePoolHelper>*>(dlib::shared_ptr<ProbePoolHelper>*,
dlib::shared_ptr<ProbePoolHelper>*) (stl_construct.h:155)
==06:20:12:05.260 26069==    by 0x80D1D99: void
std::_Destroy<dlib::shared_ptr<ProbePoolHelper>*,
dlib::shared_ptr<ProbePoolHelper> >(dlib::shared_ptr<ProbePoolHelper>*,
dlib::shared_ptr<ProbePoolHelper>*, std::allocator<dlib::shared_ptr<
ProbePoolHelper> >) (stl_construct.h:182)
==06:20:12:05.260 26069==    by 0x80D2020:
std::vector<dlib::shared_ptr<ProbePoolHelper>,
std::allocator<dlib::shared_ptr<ProbePoolHelper> > >::~vector()
(stl_vector.h:272)
==06:20:12:05.260 26069==    by 0x80D144E: ProbePool::~ProbePool()
(ProbePool.cpp:68)
==06:20:12:05.260 26069==    by 0x80C3177: main (main.cpp:61)
==06:20:12:05.260 26069==
==06:20:12:05.260 26069== 2 errors in context 14 of 41:
==06:20:12:05.260 26069== Invalid read of size 1
==06:20:12:05.260 26069==    at 0x80DDA88:
dlib::threaded_object::should_stop() const
(threaded_object_extension.cpp:167)
==06:20:12:05.260 26069==    by 0x80D22C5: ProbePoolHelper::thread()
(ProbePool.cpp:46)
==06:20:12:05.260 26069==    by 0x80E5043:
dlib::threaded_object::thread_helper() (threaded_object_extension.cpp:183)
==06:20:12:05.260 26069==    by 0x80F37CC: void
dlib::dlib_create_new_thread_helper<dlib::threaded_object,
&(dlib::threaded_object::thread_helper())>(void*)
(create_new_thread_extension.h:24)
==06:20:12:05.260 26069==    by 0x80E5171:
dlib::threads_kernel_shared::thread_starter(void*)
(threads_kernel_shared.cpp:231)
==06:20:12:05.260 26069==    by 0x80E5DC8:
dlib::threads_kernel_shared_helpers::thread_starter(void*)
(threads_kernel_2.cpp:39)
==06:20:12:05.260 26069==    by 0x29849A: start_thread (in /lib/
libpthread-2.5.so)
==06:20:12:05.260 26069==    by 0x21842D: clone (in /lib/libc-2.5.so)
==06:20:12:05.260 26069==  Address 0x41A6E2A is 90 bytes inside a block of
size 104 free'd
==06:20:12:05.260 26069==    at 0x4004CF1: operator delete(void*)
(vg_replace_malloc.c:244)
==06:20:12:05.260 26069==    by 0x80D238A:
ProbePoolHelper::~ProbePoolHelper() (ProbePool.cpp:13)
==06:20:12:05.260 26069==    by 0x80D1CE7:
dlib::shared_ptr<ProbePoolHelper>::~shared_ptr() (shared_ptr.h:187)
==06:20:12:05.260 26069==    by 0x80D1D3A: void
std::_Destroy<dlib::shared_ptr<ProbePoolHelper>
>(dlib::shared_ptr<ProbePoolHelper>*) (stl_construct.h:107)
==06:20:12:05.261 26069==    by 0x80D1D50: void
std::__destroy_aux<dlib::shared_ptr<ProbePoolHelper>*>(dlib::shared_ptr<ProbePoolHelper>*,
dlib::shared_ptr<ProbePoolHelper>*, __false_type) (stl_construct.h:122)
==06:20:12:05.261 26069==    by 0x80D1D7F: void
std::_Destroy<dlib::shared_ptr<ProbePoolHelper>*>(dlib::shared_ptr<ProbePoolHelper>*,
dlib::shared_ptr<ProbePoolHelper>*) (stl_construct.h:155)
==06:20:12:05.261 26069==    by 0x80D1D99: void
std::_Destroy<dlib::shared_ptr<ProbePoolHelper>*,
dlib::shared_ptr<ProbePoolHelper> >(dlib::shared_ptr<ProbePoolHelper>*,
dlib::shared_ptr<ProbePoolHelper>*, std::allocator<dlib::shared_ptr<
ProbePoolHelper> >) (stl_construct.h:182)
==06:20:12:05.261 26069==    by 0x80D2020:
std::vector<dlib::shared_ptr<ProbePoolHelper>,
std::allocator<dlib::shared_ptr<ProbePoolHelper> > >::~vector()
(stl_vector.h:272)
==06:20:12:05.261 26069==    by 0x80D144E: ProbePool::~ProbePool()
(ProbePool.cpp:68)
==06:20:12:05.261 26069==    by 0x80C3177: main (main.cpp:61)
==06:20:12:05.261 26069==
==06:20:12:05.261 26069== 2 errors in context 15 of 41:
==06:20:12:05.261 26069== Invalid read of size 1
==06:20:12:05.261 26069==    at 0x80DDA7D:
dlib::threaded_object::should_stop() const
(threaded_object_extension.cpp:167)
==06:20:12:05.261 26069==    by 0x80D22C5: ProbePoolHelper::thread()
(ProbePool.cpp:46)
==06:20:12:05.261 26069==    by 0x80E5043:
dlib::threaded_object::thread_helper() (threaded_object_extension.cpp:183)
==06:20:12:05.261 26069==    by 0x80F37CC: void
dlib::dlib_create_new_thread_helper<dlib::threaded_object,
&(dlib::threaded_object::thread_helper())>(void*)
(create_new_thread_extension.h:24)
==06:20:12:05.261 26069==    by 0x80E5171:
dlib::threads_kernel_shared::thread_starter(void*)
(threads_kernel_shared.cpp:231)
==06:20:12:05.261 26069==    by 0x80E5DC8:
dlib::threads_kernel_shared_helpers::thread_starter(void*)
(threads_kernel_2.cpp:39)
==06:20:12:05.261 26069==    by 0x29849A: start_thread (in /lib/
libpthread-2.5.so)
==06:20:12:05.261 26069==    by 0x21842D: clone (in /lib/libc-2.5.so)
==06:20:12:05.261 26069==  Address 0x41A6E28 is 88 bytes inside a block of
size 104 free'd
==06:20:12:05.261 26069==    at 0x4004CF1: operator delete(void*)
(vg_replace_malloc.c:244)
==06:20:12:05.261 26069==    by 0x80D238A:
ProbePoolHelper::~ProbePoolHelper() (ProbePool.cpp:13)
==06:20:12:05.261 26069==    by 0x80D1CE7:
dlib::shared_ptr<ProbePoolHelper>::~shared_ptr() (shared_ptr.h:187)
==06:20:12:05.261 26069==    by 0x80D1D3A: void
std::_Destroy<dlib::shared_ptr<ProbePoolHelper>
>(dlib::shared_ptr<ProbePoolHelper>*) (stl_construct.h:107)
==06:20:12:05.261 26069==    by 0x80D1D50: void
std::__destroy_aux<dlib::shared_ptr<ProbePoolHelper>*>(dlib::shared_ptr<ProbePoolHelper>*,
dlib::shared_ptr<ProbePoolHelper>*, __false_type) (stl_construct.h:122)
==06:20:12:05.261 26069==    by 0x80D1D7F: void
std::_Destroy<dlib::shared_ptr<ProbePoolHelper>*>(dlib::shared_ptr<ProbePoolHelper>*,
dlib::shared_ptr<ProbePoolHelper>*) (stl_construct.h:155)
==06:20:12:05.261 26069==    by 0x80D1D99: void
std::_Destroy<dlib::shared_ptr<ProbePoolHelper>*,
dlib::shared_ptr<ProbePoolHelper> >(dlib::shared_ptr<ProbePoolHelper>*,
dlib::shared_ptr<ProbePoolHelper>*, std::allocator<dlib::shared_ptr<
ProbePoolHelper> >) (stl_construct.h:182)
==06:20:12:05.262 26069==    by 0x80D2020:
std::vector<dlib::shared_ptr<ProbePoolHelper>,
std::allocator<dlib::shared_ptr<ProbePoolHelper> > >::~vector()
(stl_vector.h:272)
==06:20:12:05.262 26069==    by 0x80D144E: ProbePool::~ProbePool()
(ProbePool.cpp:68)
==06:20:12:05.262 26069==    by 0x80C3177: main (main.cpp:61)
==06:20:12:05.262 26069==