Assertion buf->tail failed in buf_assert_ok at src/lib/buf/buffers.c:919

Latest master on macOS 10.15.6

Jul 30 09:50:12.000 [notice] Bootstrapped 100% (done): Done
Jul 30 09:50:13.000 [err] tor_assertion_failed_: Bug: src/lib/buf/buffers.c:919: buf_assert_ok: Assertion buf->tail failed; aborting. (on Tor 0.4.5.0-alpha-dev 9164d7c75e619182)
Jul 30 09:50:13.000 [err] Bug: Tor 0.4.5.0-alpha-dev (git-9164d7c75e619182): Assertion buf->tail failed in buf_assert_ok at src/lib/buf/buffers.c:919: . Stack trace: (on Tor 0.4.5.0-alpha-dev 9164d7c75e619182)
Jul 30 09:50:13.000 [err] Bug:     0   tor                                 0x000000010c69dbd9 log_backtrace_impl + 89 (on Tor 0.4.5.0-alpha-dev 9164d7c75e619182)
Jul 30 09:50:13.000 [err] Bug:     1   tor                                 0x000000010c699a92 tor_assertion_failed_ + 322 (on Tor 0.4.5.0-alpha-dev 9164d7c75e619182)
Jul 30 09:50:13.000 [err] Bug:     2   tor                                 0x000000010c675d6f buf_assert_ok + 495 (on Tor 0.4.5.0-alpha-dev 9164d7c75e619182)
Jul 30 09:50:13.000 [err] Bug:     3   tor                                 0x000000010c4e3d7c assert_connection_ok + 220 (on Tor 0.4.5.0-alpha-dev 9164d7c75e619182)
Jul 30 09:50:13.000 [err] Bug:     4   tor                                 0x000000010c4eecc6 conn_read_callback + 326 (on Tor 0.4.5.0-alpha-dev 9164d7c75e619182)
Jul 30 09:50:13.000 [err] Bug:     5   libevent-2.1.7.dylib                0x000000010ca0bfde event_process_active_single_queue + 1186 (on Tor 0.4.5.0-alpha-dev 9164d7c75e619182)
Jul 30 09:50:13.000 [err] Bug:     6   libevent-2.1.7.dylib                0x000000010ca08ddb event_base_loop + 1174 (on Tor 0.4.5.0-alpha-dev 9164d7c75e619182)
Jul 30 09:50:13.000 [err] Bug:     7   tor                                 0x000000010c4f1115 do_main_loop + 309 (on Tor 0.4.5.0-alpha-dev 9164d7c75e619182)
Jul 30 09:50:13.000 [err] Bug:     8   tor                                 0x000000010c623be8 tor_run_main + 296 (on Tor 0.4.5.0-alpha-dev 9164d7c75e619182)
Jul 30 09:50:13.000 [err] Bug:     9   tor                                 0x000000010c542f1d tor_main + 125 (on Tor 0.4.5.0-alpha-dev 9164d7c75e619182)
Jul 30 09:50:13.000 [err] Bug:     10  tor                                 0x000000010c4de01b main + 27 (on Tor 0.4.5.0-alpha-dev 9164d7c75e619182)
Jul 30 09:50:13.000 [err] Bug:     11  libdyld.dylib                       0x00007fff67dd5cc9 start + 1 (on Tor 0.4.5.0-alpha-dev 9164d7c75e619182)