r0 = syz_open_dev$tty20(0xc, 0x4, 0x0)
writev(r0, &(0x7f0000000580)=[{&(0x7f0000000040)="a183cb81ff2d9c13916c4d81f981d03f93287df13c4cacf43ea514fdc8a0645f3cf743cd53cf182a897ed18cf2767767b1680148f89ec4c8fb1f944300b7d8fb414e8c0d4dd310fff921fc4c4ad71e5ddfcc7f9695533cdd31609efe96201ee952d8ea95f915bcd359bf33330a588ab4ffadd734d152d06dbd63ebb91a34d3eb6c56aa355094c12dbf6021c965eb8bb5f84c67c0d05a7a302d94ab38485c910ea9d9fb2b01d03b8afbf3ce6f757da552ec001da80adfb0", 0xb7}, {&(0x7f0000000100)="677c5c70233bab09ffe0ebd1dcbf994b6bbfb5d5f6cae9edaa966ed7a85db89c71806f9e96d5390d55bbfb44809194cdc6ec858d0f22a27f71240089765c", 0x3e}, {&(0x7f0000000140)="7c8ef21a0af367b92c7b62b693af22166a222d556c67d37eca4ccb963f7116acbc7da8ae6f361369d238532bbc4a2e37ea8af87bcc57435bdf697f805b191ee6e52b9ae5734727ca731c4434c2bb351bc4669ba1a913348a49bc27f94da548c73fc2d4c0", 0x64}, {&(0x7f00000001c0)="eda3cc1dccd5fcaad14064076a0eb3f26dd92c02b2b19f62e47d442d2cf771abf5cc6591821954d992b7c9f369674096a3160d44a845de5b3e5830608cd607458be97ee8cd8574b7b92ba73967a55e172aae922b75bd2a3df9fa001b6c63e0975715343ee9d044fdfb604e0b2130a97fb12ec9fcd69f40c038884de346f3d283243664e7b6bb20792e461ba47c7576960fa1088f7616caca80c807d0e004219250e36f9ab0a3ef7bf95658577f67fb03849398f2adbe28fc71e999c56fee9c916372090d54245c0a385e142357f717adf043fda326278e0b1f1af154af758255056bb93477c5bb573fd15c24d3d7d68cfe2c7180", 0xf4}, {&(0x7f00000002c0)="06f5fc30d653432cdeb58976583b8ab9f3c9c1c19313531bf4e529f079120a7b11a799e0c867a705f7bfc1a8442d3b3071efd6", 0x33}, {&(0x7f0000000300)="dd5f73f3ee6b2a597e38e81d926ea1efabb5", 0x12}], 0x6)