Re: [Dclib-devel] Invalid read of size 1

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Are you calling wait() inside the destructor for the object you have that
inherits from threaded_object?  Not doing that might be the reason.

-Davis

On Tue, Jun 23, 2009 at 2:22 AM, Steven Van Ingelgem
<st...@va...>wrote:

> 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==
>
>
>
>
>
>
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