r0 = syz_open_dev$tty20(0xc, 0x4, 0x1)
writev(r0, &(0x7f0000000340)=[{&(0x7f0000000040)="eccf3023ca6de74d96c46c002e4205eb223e56f72f35579b6314dd76aa92a256721fa83f8e2bda3e58366678b727c79bb72fc19ead49d3425f98096e00f9a0baf7104bafbac116c042e55f12302f5a0cb91960d073e00d1b9cb246c817466ac7a5f4ade7ff11cd50d27910463603aebb90d40918dc5f9743c1e75411c39e15d0b429bda61c52acd7a813c0abab5afeee1ccfe96f349036c5f81e928990", 0x9d}, {&(0x7f0000000100)="ea75f3f454ebb9dd6e9bf70c1ba4b7350e50a249062714ec36262f0b189ca37a19ef391d2706d2cd73efe6e14191df9125fcf3fc643691cc78217f7ff8aaf1f8b82936f3e058341836f0afe6ba98a3a947e13c718c55f56230c6020d063271c9eb98cdd28918c4a5e2bdc2f7f94e9932075a3620d6fa5a59f59278921fac00e7419a671be2e7db9e7c63d7819ef8bb1142f0cf342ed47d4e02569bf6a672305a03db04eea627", 0xa6}, {&(0x7f0000000400)="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", 0x560}, {&(0x7f00000001c0)="7e6ded852ca188392703f0b806db0849a0e559040c67c047802a51ac03e49911323bd46994c53774298ae245669710084fb9417e0824693355a6c4713d63c73d40ab08216f257b6e1c229b1c4c7728ccf71052c515cb75", 0x57}], 0x4)