r0 = syz_open_dev$vcsa(&(0x7f0000000000), 0x4, 0x1)
write$P9_RFLUSH(r0, &(0x7f0000000080)={0x7}, 0x7)
write$P9_RVERSION(r0, &(0x7f00000003c0)={0x13, 0x65, 0xffff, 0x0, 0x6, '9P2000'}, 0x13)