==177134==ERROR: AddressSanitizer: heap-use-after-free on address 0x612000a4fbc0 at pc 0x000025051b30 bp 0x7fff99d241c0 sp 0x7fff99d241b0
READ of size 8 at 0x612000a4fbc0 thread T84
    #0 0x25051b2f in ccl::BVHEmbree::build(ccl::Progress&, ccl::Stats*, RTCDeviceTy*) /home/jacques/blender-git/blender/intern/cycles/bvh/bvh_embree.cpp:349
    #1 0x252401e4 in ccl::CPUDevice::build_bvh(ccl::BVH*, ccl::Progress&, bool) /home/jacques/blender-git/blender/intern/cycles/device/device_cpu.cpp:562
    #2 0x27ed64ae in ccl::GeometryManager::device_update_bvh(ccl::Device*, ccl::DeviceScene*, ccl::Scene*, ccl::Progress&) /home/jacques/blender-git/blender/intern/cycles/render/geometry.cpp:1241
    #3 0x27ef9c84 in ccl::GeometryManager::device_update(ccl::Device*, ccl::DeviceScene*, ccl::Scene*, ccl::Progress&) /home/jacques/blender-git/blender/intern/cycles/render/geometry.cpp:1961
    #4 0x2859bfa3 in ccl::Scene::device_update(ccl::Device*, ccl::Progress&) /home/jacques/blender-git/blender/intern/cycles/render/scene.cpp:282
    #5 0x285aea75 in ccl::Scene::update(ccl::Progress&, bool&) /home/jacques/blender-git/blender/intern/cycles/render/scene.cpp:524
    #6 0x28614443 in ccl::Session::update_scene() /home/jacques/blender-git/blender/intern/cycles/render/session.cpp:1047
    #7 0x2860c1e1 in ccl::Session::run_cpu() /home/jacques/blender-git/blender/intern/cycles/render/session.cpp:813
    #8 0x2860fe93 in ccl::Session::run() /home/jacques/blender-git/blender/intern/cycles/render/session.cpp:895
    #9 0x2863fc78 in void std::__invoke_impl<void, void (ccl::Session::*&)(), ccl::Session*&>(std::__invoke_memfun_deref, void (ccl::Session::*&)(), ccl::Session*&) /usr/include/c++/10.2.0/bits/invoke.h:73
    #10 0x2863d2c3 in std::__invoke_result<void (ccl::Session::*&)(), ccl::Session*&>::type std::__invoke<void (ccl::Session::*&)(), ccl::Session*&>(void (ccl::Session::*&)(), ccl::Session*&) /usr/include/c++/10.2.0/bits/invoke.h:95
    #11 0x2863bb3a in void std::_Bind<void (ccl::Session::*(ccl::Session*))()>::__call<void, , 0ul>(std::tuple<>&&, std::_Index_tuple<0ul>) /usr/include/c++/10.2.0/functional:416
    #12 0x28638e4c in void std::_Bind<void (ccl::Session::*(ccl::Session*))()>::operator()<, void>() /usr/include/c++/10.2.0/functional:499
    #13 0x28635505 in void std::__invoke_impl<void, std::_Bind<void (ccl::Session::*(ccl::Session*))()>&>(std::__invoke_other, std::_Bind<void (ccl::Session::*(ccl::Session*))()>&) /usr/include/c++/10.2.0/bits/invoke.h:60
    #14 0x28632258 in std::enable_if<is_invocable_r_v<void, std::_Bind<void (ccl::Session::*(ccl::Session*))()>&>, void>::type std::__invoke_r<void, std::_Bind<void (ccl::Session::*(ccl::Session*))()>&>(std::_Bind<void (ccl::Session::*(ccl::Session*))()>&) /usr/include/c++/10.2.0/bits/invoke.h:110
    #15 0x2862dd2c in std::_Function_handler<void (), std::_Bind<void (ccl::Session::*(ccl::Session*))()> >::_M_invoke(std::_Any_data const&) /usr/include/c++/10.2.0/bits/std_function.h:291
    #16 0x1752bd5d in std::function<void ()>::operator()() const /usr/include/c++/10.2.0/bits/std_function.h:622
    #17 0x2cb33af6 in ccl::thread::run(void*) /home/jacques/blender-git/blender/intern/cycles/util/util_thread.cpp:52
    #18 0x2cb35a3b in void* std::__invoke_impl<void*, void* (*)(void*), ccl::thread*>(std::__invoke_other, void* (*&&)(void*), ccl::thread*&&) /usr/include/c++/10.2.0/bits/invoke.h:60
    #19 0x2cb356bb in std::__invoke_result<void* (*)(void*), ccl::thread*>::type std::__invoke<void* (*)(void*), ccl::thread*>(void* (*&&)(void*), ccl::thread*&&) /usr/include/c++/10.2.0/bits/invoke.h:95
    #20 0x2cb353e4 in void* std::thread::_Invoker<std::tuple<void* (*)(void*), ccl::thread*> >::_M_invoke<0ul, 1ul>(std::_Index_tuple<0ul, 1ul>) /usr/include/c++/10.2.0/thread:264
    #21 0x2cb351f1 in std::thread::_Invoker<std::tuple<void* (*)(void*), ccl::thread*> >::operator()() /usr/include/c++/10.2.0/thread:271
    #22 0x2cb35187 in std::thread::_State_impl<std::thread::_Invoker<std::tuple<void* (*)(void*), ccl::thread*> > >::_M_run() /usr/include/c++/10.2.0/thread:215
    #23 0x329c3213 in execute_native_thread_routine (/home/jacques/blender-git/build_linux/bin/blender+0x329c3213)
    #24 0x7ffff758e3e8 in start_thread (/usr/lib/libpthread.so.0+0x93e8)
    #25 0x7ffff7153292 in __GI___clone (/usr/lib/libc.so.6+0x100292)

0x612000a4fbc0 is located 0 bytes inside of 288-byte region [0x612000a4fbc0,0x612000a4fce0)
freed by thread T0 here:
    #0 0x7ffff7661009 in operator delete(void*, unsigned long) /build/gcc/src/gcc/libsanitizer/asan/asan_new_delete.cpp:172
    #1 0x284af1e2 in ccl::Object::~Object() /home/jacques/blender-git/blender/intern/cycles/render/object.cpp:117
    #2 0x285d3c9a in void ccl::delete_node_from_array<ccl::Object*>(ccl::vector<ccl::Object*, ccl::GuardedAllocator<ccl::Object*> >&, ccl::Object*) /home/jacques/blender-git/blender/intern/cycles/render/scene.cpp:698
    #3 0x285b8fda in void ccl::Scene::delete_node_impl<ccl::Object>(ccl::Object*) /home/jacques/blender-git/blender/intern/cycles/render/scene.cpp:741
    #4 0x24c8b723 in void ccl::Scene::delete_node<ccl::Object>(ccl::Object*) /home/jacques/blender-git/blender/intern/cycles/render/scene.h:320
    #5 0x24c817cd in ccl::id_map<ccl::ObjectKey, ccl::Object>::post_sync(bool) /home/jacques/blender-git/blender/intern/cycles/blender/blender_id_map.h:170
    #6 0x24c649e3 in ccl::BlenderSync::sync_objects(BL::Depsgraph&, BL::SpaceView3D&, float) /home/jacques/blender-git/blender/intern/cycles/blender/blender_object.cpp:566
    #7 0x24bda8e8 in ccl::BlenderSync::sync_data(BL::RenderSettings&, BL::Depsgraph&, BL::SpaceView3D&, BL::Object&, int, int, void**) /home/jacques/blender-git/blender/intern/cycles/blender/blender_sync.cpp:242
    #8 0x24b1873b in ccl::BlenderSession::synchronize(BL::Depsgraph&) /home/jacques/blender-git/blender/intern/cycles/blender/blender_session.cpp:816
    #9 0x24aa8176 in sync_func /home/jacques/blender-git/blender/intern/cycles/blender/blender_python.cpp:398
    #10 0x30961e38 in _PyMethodDef_RawFastCallKeywords Objects/call.c:698

previously allocated by thread T0 here:
    #0 0x7ffff765ff41 in operator new(unsigned long) /build/gcc/src/gcc/libsanitizer/asan/asan_new_delete.cpp:99
    #1 0x285b6d39 in ccl::Object* ccl::Scene::create_node<ccl::Object>() /home/jacques/blender-git/blender/intern/cycles/render/scene.cpp:649
    #2 0x24c7bf0a in ccl::id_map<ccl::ObjectKey, ccl::Object>::add_or_update(ccl::Object**, BL::ID const&, BL::ID const&, ccl::ObjectKey const&) /home/jacques/blender-git/blender/intern/cycles/blender/blender_id_map.h:128
    #3 0x24c58910 in ccl::BlenderSync::sync_object(BL::Depsgraph&, BL::ViewLayer&, BL::DepsgraphObjectInstance&, float, bool, bool, ccl::BlenderObjectCulling&, bool*, ccl::TaskPool*) /home/jacques/blender-git/blender/intern/cycles/blender/blender_object.cpp:224
    #4 0x24c64013 in ccl::BlenderSync::sync_objects(BL::Depsgraph&, BL::SpaceView3D&, float) /home/jacques/blender-git/blender/intern/cycles/blender/blender_object.cpp:529
    #5 0x24bda8e8 in ccl::BlenderSync::sync_data(BL::RenderSettings&, BL::Depsgraph&, BL::SpaceView3D&, BL::Object&, int, int, void**) /home/jacques/blender-git/blender/intern/cycles/blender/blender_sync.cpp:242
    #6 0x24b1873b in ccl::BlenderSession::synchronize(BL::Depsgraph&) /home/jacques/blender-git/blender/intern/cycles/blender/blender_session.cpp:816
    #7 0x24aa8176 in sync_func /home/jacques/blender-git/blender/intern/cycles/blender/blender_python.cpp:398
    #8 0x30961e38 in _PyMethodDef_RawFastCallKeywords Objects/call.c:698

Thread T84 created by T0 here:
    #0 0x7ffff76041c7 in __interceptor_pthread_create /build/gcc/src/gcc/libsanitizer/asan/asan_interceptors.cpp:214
    #1 0x329c32f9 in std::thread::_M_start_thread(std::unique_ptr<std::thread::_State, std::default_delete<std::thread::_State> >, void (*)()) (/home/jacques/blender-git/build_linux/bin/blender+0x329c32f9)
    #2 0x2cb333c9 in ccl::thread::thread(std::function<void ()>, int) /home/jacques/blender-git/blender/intern/cycles/util/util_thread.cpp:35
    #3 0x285f4184 in ccl::Session::start() /home/jacques/blender-git/blender/intern/cycles/render/session.cpp:131
    #4 0x24b1a2bd in ccl::BlenderSession::synchronize(BL::Depsgraph&) /home/jacques/blender-git/blender/intern/cycles/blender/blender_session.cpp:853
    #5 0x24aa8176 in sync_func /home/jacques/blender-git/blender/intern/cycles/blender/blender_python.cpp:398
    #6 0x30961e38 in _PyMethodDef_RawFastCallKeywords Objects/call.c:698

SUMMARY: AddressSanitizer: heap-use-after-free /home/jacques/blender-git/blender/intern/cycles/bvh/bvh_embree.cpp:349 in ccl::BVHEmbree::build(ccl::Progress&, ccl::Stats*, RTCDeviceTy*)
Shadow bytes around the buggy address:
  0x0c2480141f20: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x0c2480141f30: 00 00 00 00 00 00 00 00 00 00 00 00 fa fa fa fa
  0x0c2480141f40: fa fa fa fa fa fa fa fa 00 00 00 00 00 00 00 00
  0x0c2480141f50: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x0c2480141f60: 00 00 00 00 00 00 00 00 00 00 00 00 fa fa fa fa
=>0x0c2480141f70: fa fa fa fa fa fa fa fa[fd]fd fd fd fd fd fd fd
  0x0c2480141f80: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
  0x0c2480141f90: fd fd fd fd fd fd fd fd fd fd fd fd fa fa fa fa
  0x0c2480141fa0: fa fa fa fa fa fa fa fa fd fd fd fd fd fd fd fd
  0x0c2480141fb0: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
  0x0c2480141fc0: fd fd fd fd fd fd fd fd fd fd fd fd fa fa fa fa
Shadow byte legend (one shadow byte represents 8 application bytes):
  Addressable:           00
  Partially addressable: 01 02 03 04 05 06 07 
  Heap left redzone:       fa
  Freed heap region:       fd
  Stack left redzone:      f1
  Stack mid redzone:       f2
  Stack right redzone:     f3
  Stack after return:      f5
  Stack use after scope:   f8
  Global redzone:          f9
  Global init order:       f6
  Poisoned by user:        f7
  Container overflow:      fc
  Array cookie:            ac
  Intra object redzone:    bb
  ASan internal:           fe
  Left alloca redzone:     ca
  Right alloca redzone:    cb
  Shadow gap:              cc
==177134==ABORTING