stat(0x0, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$TCSETSW2(0xffffffffffffffff, 0x4b52, 0x0) r0 = syz_open_dev$tty20(0xc, 0x4, 0x1) ioctl$TCSETSW2(r0, 0x4b52, &(0x7f00000000c0)={0x0, 0x7ff, 0x0, 0x0, 0x0, "f5ae1bb8f3c3f5d1c52c8adfa8536a9f643508"})