panic: rw_enter: vmmaplk locking against myself Stopped at db_enter+0xa: popq %rbp TID PID UID PRFLAGS PFLAGS CPU COMMAND *330359 48889 0 0 0x4000000 0 syz-executor0 db_enter() at db_enter+0xa panic() at panic+0x147 _rw_enter(0,ffff800014aef758) at _rw_enter+0x2fa uvmfault_lookup(1,ffffff003f12bc60) at uvmfault_lookup+0x99 uvm_fault(ffff8000ffffc710,ffff800014aeb000,0,6000118) at uvm_fault+0x6e pageflttrap() at pageflttrap+0x197 kerntrap(0) at kerntrap+0x7c alltraps_kern(6,42,6000100,0,0,1) at alltraps_kern+0x7b _bpf_mtap(ffff800000074340,1,ffff800000074340,ffffff0037b30200) at _bpf_mtap+0x68 bpf_mtap_ether(ffff800014aefbb8,42,ffff800000074340) at bpf_mtap_ether+0xeb ifiq_input(ffff800000171050,ffff800000171290,ffffff0037b30200) at ifiq_input+0x105 vio_rxeof(ffff800000171050) at vio_rxeof+0x220 vio_rx_intr(ffffffff) at vio_rx_intr+0x23 virtio_check_vqs(ffff80000001c300) at virtio_check_vqs+0x166 end trace frame: 0xffff800014aefcb0, count: 0 https://www.openbsd.org/ddb.html describes the minimum info required in bug reports. Insufficient info makes it difficult to find and fix bugs.