r0 = openat$procfs(0xffffffffffffff9c, &(0x7f00000010c0)='/proc/diskstats\x00', 0x0, 0x0)
pread64(r0, &(0x7f0000000040)=""/4126, 0x105c, 0x0)
r1 = syz_open_dev$tty1(0xc, 0x4, 0x1)
ioctl$TIOCSLCKTRMIOS(r1, 0x560a, &(0x7f0000000200))