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vmm: config: Don't close reserved FDs from NetConfig::drop()

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Fixes: #5203

Signed-off-by: Bo Chen <chen.bo@intel.com>
This commit is contained in:
Bo Chen 2023-02-14 16:15:46 -08:00 committed by Rob Bradford
parent 4f945743cb
commit 0110fb4edc
1 changed files with 5 additions and 0 deletions
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5
vmm/src/config.rs
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@ -1154,6 +1154,11 @@ impl Drop for NetConfig {
fn drop(&mut self) { fn drop(&mut self) {
if let Some(mut fds) = self.fds.take() { if let Some(mut fds) = self.fds.take() {
for fd in fds.drain(..) { for fd in fds.drain(..) {
// Skip reserved FDs
if fd <= 2 {
continue;
}
// SAFETY: Safe as the fd was given to the config by the API // SAFETY: Safe as the fd was given to the config by the API
unsafe { libc::close(fd) }; unsafe { libc::close(fd) };
} }