r0 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000480), 0x0, 0x0)
r1 = syz_open_dev$tty1(0xc, 0x4, 0x1)
dup2(r1, r0)
writev(r0, &(0x7f0000000000)=[{&(0x7f00000004c0)="21afbf9b4d", 0x5}], 0x1)