panic: receive 3: so 0xfffffd806f6f5190, so_type 3, m 0xfffffd8069ce8d00, m_type 0
Stopped at      db_enter+0x18:  addq    $0x8,%rsp
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
 188678  37763      0           0          0    1  syz-executor.0
*347359  88054      0           0          0    0K dhclient
db_enter() at db_enter+0x18 sys/arch/amd64/amd64/db_interface.c:398
panic(ffffffff821df457) at panic+0x15c sys/kern/subr_prf.c:207
soreceive(fffffd806f6f5190,0,ffff800020abd3d8,0,0,ffff800020abd2e4) at soreceive+0x1727
soo_read(fffffd806fc80260,ffff800020abd3d8,0) at soo_read+0x53 sys/kern/sys_socket.c:70
dofilereadv(ffff800020a7d118,6,ffff800020abd3d8,0,ffff800020abd4c0) at dofilereadv+0x1a1 sys/kern/sys_generic.c:237
sys_read(ffff800020a7d118,ffff800020abd470,ffff800020abd4c0) at sys_read+0x83 sys/kern/sys_generic.c:157
syscall(ffff800020abd540) at syscall+0x4a4 mi_syscall sys/sys/syscall_mi.h:102 [inline]
syscall(ffff800020abd540) at syscall+0x4a4 sys/arch/amd64/amd64/trap.c:570
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x7f7ffffd1a40, 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.