* frame #0: 0x00007fff7270733a libsystem_kernel.dylib`__pthread_kill + 10

    frame #1: 0x00007fff727c3e60 libsystem_pthread.dylib`pthread_kill + 430

    frame #2: 0x00007fff7268e808 libsystem_c.dylib`abort + 120

    frame #3: 0x0000000109225f81 liboslexec.1.11.dylib`OSL_v1_11::pvt::SimplePool<20480>::alloc(this=0x000000010f604410, size=56, alignment=16) at oslexec_pvt.h:1319:9

    frame #4: 0x0000000109225ad1 liboslexec.1.11.dylib`OSL_v1_11::ShadingContext::closure_component_allot(this=0x000000010f6042c0, id=0, prim_size=40, w=0x00007ffeefbeee40) at oslexec_pvt.h:1614:70

    frame #5: 0x0000000109225a87 liboslexec.1.11.dylib`::osl_allocate_closure_component(sg=0x00007ffeefbef138, id=0, size=40) at opclosure.cpp:54:25

    frame #6: 0x000000010f1e505e

    frame #7: 0x00000001090eeeb2 liboslexec.1.11.dylib`OSL_v1_11::ShadingContext::execute(this=0x000000010f6042c0, sgroup=0x000000010f70b0e0, ssg=0x00007ffeefbef138, run=true) at context.cpp:174:13

    frame #8: 0x00000001090628ae liboslexec.1.11.dylib`OSL_v1_11::pvt::ShadingSystemImpl::execute(this=0x000000011280da00, ctx=0x000000010f6042c0, group=0x000000010f70b0e0, ssg=0x00007ffeefbef138, run=true) at shadingsys.cpp:2783:24

    frame #9: 0x0000000109062824 liboslexec.1.11.dylib`OSL_v1_11::ShadingSystem::execute(this=0x000000010f510748, ctx=0x000000010f6042c0, group=0x000000010f70b0e0, globals=0x00007ffeefbef138, run=true) at shadingsys.cpp:262:20

    frame #10: 0x00000001002e1c36 libgraphics.dylib`papillon::execute_surface_shader(context=0x000000010f6042c0, shader=0x000000010f70b0e0, ctx=0x00007ffeefbef2f0) at renderer_services.cpp:50:25

...