syz_open_dev$tty1(0xc, 0x4, 0x1)
r0 = syz_open_dev$vcsn(&(0x7f0000000040), 0x1, 0x581800)
ioctl$KDGETMODE(r0, 0x4b3b, &(0x7f0000000080))
syz_open_dev$tty1(0xc, 0x4, 0x1)
r1 = syz_open_dev$tty1(0xc, 0x4, 0x1)
ioctl$TIOCVHANGUP(r1, 0x4b4a, 0x0)
openat$cgroup(0xffffffffffffffff, &(0x7f0000000580)='syz0\x00', 0x200002, 0x0)
r2 = syz_open_dev$tty1(0xc, 0x4, 0x1)
readv(r2, &(0x7f0000000700)=[{&(0x7f0000000600)=""/241, 0xf1}], 0x1)