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Ignore 'Broken Pipe' if child process does not read all of stdin #1244

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merged 2 commits into from
May 3, 2023
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Ignore 'Broken Pipe' if child process does not read all of stdin #1244

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Ignore 'Broken Pipe' if child process does not read all of stdin
arpankapoor May 3, 2023
e3b9649
follow clippy suggestion
arpankapoor May 3, 2023
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11 changes: 9 additions & 2 deletions libafl/src/executors/command.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -135,8 +135,15 @@ impl CommandConfigurator for StdCommandConfigurator {
self.command.stdin(Stdio::piped()).spawn()?;
let mut handle = self.command.spawn()?;
let mut stdin = handle.stdin.take().unwrap();
stdin.write_all(input.target_bytes().as_slice())?;
stdin.flush()?;
if let Err(err) = stdin.write_all(input.target_bytes().as_slice()) {
if err.kind() != std::io::ErrorKind::BrokenPipe {
return Err(err.into());
}
} else if let Err(err) = stdin.flush() {
if err.kind() != std::io::ErrorKind::BrokenPipe {
return Err(err.into());
}
}
drop(stdin);
Ok(handle)
}
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