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agent: Use dup3 system call in unit tests of seccomp

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Use `dup3` system call instead of `dup2` in unit tests of seccomp
because `dup2` is obsolete on aarch64.

Fixes: #2939

Signed-off-by: Manabu Sugimoto <Manabu.Sugimoto@sony.com>
This commit is contained in:
Manabu Sugimoto 2021-11-02 19:32:54 +09:00
parent 1aaa0599d9
commit b468dc500a
1 changed files with 3 additions and 3 deletions
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6
src/agent/rustjail/src/seccomp.rs
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@ -95,7 +95,7 @@ pub fn init_seccomp(scmp: &LinuxSeccomp) -> Result<()> {
mod tests {
use super::*;
use crate::skip_if_not_root;
use libc::{dup2, process_vm_readv, EPERM};
use libc::{dup3, process_vm_readv, EPERM, O_CLOEXEC};
use std::io::Error;
use std::ptr::null;
@ -135,7 +135,7 @@ mod tests {
"syscalls": [
{
"names": [
"dup2"
"dup3"
],
"action": "SCMP_ACT_ERRNO"
},
@ -212,7 +212,7 @@ mod tests {
init_seccomp(&scmp).unwrap();
// Basic syscall with simple rule
syscall_assert!(unsafe { dup2(0, 1) }, -EPERM);
syscall_assert!(unsafe { dup3(0, 1, O_CLOEXEC) }, -EPERM);
// Syscall with permitted arguments
syscall_assert!(unsafe { process_vm_readv(1, null(), 0, null(), 0, 0) }, 0);