r0 = openat(0xffffffffffffff9c, &(0x7f00000003c0)='./file0\x00', 0x6e2, 0x0)
ftruncate(r0, 0x8000)
r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0)
sendfile(r1, r0, 0x0, 0x1)