r0 = syz_open_dev$tty20(0xc, 0x4, 0x1)
writev(r0, &(0x7f0000000340)=[{&(0x7f0000000100)="ad3806a999089ee500255c9b35a1bfb8b6aa39557ff2f17f898e7d64a49ffa97ce10722b2ab2395939f0bd6de034a692ca968c072a6ee81891d9176e1a64d62b67d10e042809f7d7f50d35bf35953541ea17f46cb2c23ac4de530a2abf4379c3b044dbcb4442b03d887aa93483d3e2927927a547fcf9d54e44b76f5a2c0def002ee0405b5fcbc1680ae4d16b97aea10cfa0e2666cef798222af32cab6afd798c80091d828811fec30ed59e1cfdf606a018d1740d2d02e45d26bec20e31e84b33e425836736dd9b71", 0xc8}, {0x0, 0x2}], 0x2)