panic: unhandled af 77 Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *236605 51357 0 0 0x4000000 0 syz-executor.0 db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398 panic(ffffffff821b6e57) at panic+0x15c sys/kern/subr_prf.c:207 unhandled_af(4d) at unhandled_af+0x16 pf_addrcpy(ffff8000214568f8,ffff800021456bf0,4d) at pf_addrcpy+0x99 sys/net/pf.c:409 pfioctl(4900,c0504417,ffff800021456bf0,1,ffff8000ffff3b40) at pfioctl+0x43c0 sys/net/pf_ioctl.c:1827 VOP_IOCTL(fffffd805db94340,c0504417,ffff800021456bf0,1,fffffd806c3bea80,ffff8000ffff3b40) at VOP_IOCTL+0x88 sys/kern/vfs_vops.c:291 vn_ioctl(fffffd80615fcf00,c0504417,ffff800021456bf0,ffff8000ffff3b40) at vn_ioctl+0xb7 sys/kern/vfs_vnops.c:533 sys_ioctl(ffff8000ffff3b40,ffff800021456d08,ffff800021456d50) at sys_ioctl+0x5b9 syscall(ffff800021456dd0) at syscall+0x507 sys/arch/amd64/amd64/trap.c:555 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x3cb013a1770, count: 5 https://www.openbsd.org/ddb.html describes the minimum info required in bug reports. Insufficient info makes it difficult to find and fix bugs.