uvm_fault(0xffffffff8392de70, 0xffff800027ba2200, 0, 2) -> d kernel: page fault trap, code=2 Stopped at memcpy+0x19: repe movsq (%rsi),%es:(%rdi) TID PID UID PRFLAGS PFLAGS CPU COMMAND * 28664 46257 0 0x2 0 0 syz-executor memcpy() at memcpy+0x19 ufs_inactive(ffff80002a8b2f80) at ufs_inactive+0x2de sys/ufs/ufs/ufs_inode.c:95 VOP_INACTIVE(fffffd806c431ce8,ffff80002a7474c8) at VOP_INACTIVE+0xfb sys/kern/vfs_vops.c:498 vput(fffffd806c431ce8) at vput+0xdc sys/kern/vfs_subr.c:789 VOP_REMOVE(fffffd806e8408a0,fffffd806c431ce8,ffff80002a8b30e8) at VOP_REMOVE+0x199 sys/kern/vfs_vops.c:336 dounlinkat(ffff80002a7474c8,ffffff9c,70c6d1eae170,0) at dounlinkat+0x1c4 sys/kern/vfs_syscalls.c:1923 syscall(ffff80002a8b3250) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80002a8b3250) at syscall+0x962 sys/arch/amd64/amd64/trap.c:783 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x70c6d1eae620, 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. ddb> ddb>