==173333==WARNING: ASan doesn't fully support makecontext/swapcontext functions and may produce false positives in some cases!
AddressSanitizer:DEADLYSIGNAL
=================================================================
==173361==ERROR: AddressSanitizer: SEGV on unknown address 0x7f1270bf5990 (pc 0x7f1ea39ff637 bp 0x7fff5e5d4660 sp 0x7fff5e5d45a0 T0)
==173361==The signal is caused by a READ memory access.                                                                                                                       
    #0 0x7f1ea39ff637 in __pthread_clockjoin_ex nptl/pthread_join_common.c:43
    #1 0x7f1ea7eece45 in operator() ../../../../src/libsanitizer/asan/asan_interceptors.cpp:288
    #2 0x7f1ea7eece45 in Join<___interceptor_pthread_join(void*, void**)::<lambda()> > ../../../../src/libsanitizer/sanitizer_common/sanitizer_thread_arg_retval.h:75
    #3 0x7f1ea7eece45 in pthread_join ../../../../src/libsanitizer/asan/asan_interceptors.cpp:287                           
    #4 0x7f12873afda1  (/lib/x86_64-linux-gnu/libgallium-25.0.5-1.so+0x5afda1) (BuildId: 17b621a998972f5828194cce760f15e26f24192a)
    #5 0x7f128737afc5  (/lib/x86_64-linux-gnu/libgallium-25.0.5-1.so+0x57afc5) (BuildId: 17b621a998972f5828194cce760f15e26f24192a)
    #6 0x7f128737b05b  (/lib/x86_64-linux-gnu/libgallium-25.0.5-1.so+0x57b05b) (BuildId: 17b621a998972f5828194cce760f15e26f24192a)
    #7 0x7f1ea39ad290 in __run_exit_handlers stdlib/exit.c:118                                                                                                                
    #8 0x7f1ea39ad359 in __GI_exit stdlib/exit.c:148
    #9 0x7f1ea56ea31b  (/lib/x86_64-linux-gnu/libvirglrenderer.so.1+0x5d31b) (BuildId: ceb8424098f27e5dd1d311de4b93633a279bf8a1)
    #10 0x7f1ea56e9fb6  (/lib/x86_64-linux-gnu/libvirglrenderer.so.1+0x5cfb6) (BuildId: ceb8424098f27e5dd1d311de4b93633a279bf8a1)
    #11 0x7f1ea56aa0c1 in virgl_renderer_init (/lib/x86_64-linux-gnu/libvirglrenderer.so.1+0x1d0c1) (BuildId: ceb8424098f27e5dd1d311de4b93633a279bf8a1)
    #12 0x5629e11b1875 in virtio_gpu_virgl_init ../../hw/display/virtio-gpu-virgl.c:1178
    #13 0x5629e119fc12 in virtio_gpu_gl_handle_ctrl ../../hw/display/virtio-gpu-gl.c:78 
    #14 0x5629e1193ed1 in virtio_gpu_ctrl_bh ../../hw/display/virtio-gpu.c:1127                                                                                               
    #15 0x5629e1c30ad3 in aio_bh_call ../../util/async.c:172                                                                                                                  
    #16 0x5629e1c30efc in aio_bh_poll ../../util/async.c:219
    #17 0x5629e1beb9ad in aio_dispatch ../../util/aio-posix.c:436
    #18 0x5629e1c31c67 in aio_ctx_dispatch ../../util/async.c:361