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graphic: 0.818
semantic: 0.778
device: 0.724
performance: 0.683
vnc: 0.670
network: 0.574
debug: 0.534
boot: 0.489
PID: 0.418
permissions: 0.400
socket: 0.376
other: 0.317
files: 0.171
KVM: 0.046
Invalid subprocess commands spawns successfully when running under QEMU
Description of problem:
When executing a subprocess from with a non-existing command EQMU still spawns a process.
Consider this small rust program for instance:
```rust
use std::process::Command;
fn main() {
match Command::new("thisdoesnotexist").spawn() {
Ok(child) => {
println!("Child process id is {}", child.id());
}
Err(_) => {
println!("This should happen");
}
}
}
```
**Executing with `qemu-aarch64`:**
```shell
qemu-aarch64 ./rust-app
Child process id is 20182
```
**Executing regularly:**
```shell
./rust-app
This should happen
```
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