r0 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000480), 0x0, 0x0) syz_io_uring_submit(0x0, 0x0, &(0x7f0000000000)=@IORING_OP_RECVMSG={0xa, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0}, 0x0) ioctl$TCSBRKP(r0, 0x5425, 0x0)