@ sü˙˙panic: pmap_unwire: invalid PDE Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *384027 29770 0 0 0x4000000 0K syz-executor.4 40568 41595 0 0x2 0 1 syz-executor.6 db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:437 panic(ffffffff826560a8) at panic+0x177 sys/kern/subr_prf.c:198 pmap_unwire(fffffd806e464008,20000000) at pmap_unwire+0x1d9 sys/arch/amd64/amd64/pmap.c:2189 uvm_fault_unwire_locked(fffffd806b6da740,20000000,20002000) at uvm_fault_unwire_locked+0x1fc sys/uvm/uvm_fault.c:1678 uvm_map_pageable(fffffd806b6da740,20000000,20002000,1,0) at uvm_map_pageable+0x597 uvm_map_pageable_pgon sys/uvm/uvm_map.c:2089 [inline] uvm_map_pageable(fffffd806b6da740,20000000,20002000,1,0) at uvm_map_pageable+0x597 sys/uvm/uvm_map.c:2330 sys_munlock(ffff800022d7a540,ffff80002e4ccfa8,ffff80002e4ccff0) at sys_munlock+0x100 sys/uvm/uvm_mmap.c:868 syscall(ffff80002e4cd070) at syscall+0x435 mi_syscall sys/sys/syscall_mi.h:101 [inline] syscall(ffff80002e4cd070) at syscall+0x435 sys/arch/amd64/amd64/trap.c:585 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x1e161519320, count: 7 https://www.openbsd.org/ddb.html describes the minimum info required in bug reports. Insufficient info makes it difficult to find and fix bugs.