r0 = syz_open_dev$tty20(0xc, 0x4, 0x0)
clock_gettime(0x0, &(0x7f0000000240))
r1 = syz_open_dev$tty20(0xc, 0x4, 0x0)
pipe(&(0x7f00000002c0)={<r2=>0xffffffffffffffff})
r3 = syz_open_dev$tty20(0xc, 0x4, 0x0)
r4 = syz_open_dev$tty20(0xc, 0x4, 0x0)
ppoll(&(0x7f00000004c0)=[{r2}, {r3}, {r1}, {r2}, {r2}, {r0}, {r4}], 0x7, 0x0, 0x0, 0x0)