r0 = syz_open_dev$tty20(0xc, 0x4, 0x0) stat(&(0x7f0000000000)='.\x00', &(0x7f0000001c00)={0x0, 0x0, 0x0, 0x0, 0x0}) setresuid(0x0, r1, 0x0) ioctl$VT_DISALLOCATE(r0, 0x560a)