oci: check for valid PID before kill(pid, 0)
check that the container has a valid pid before attempting to use
kill($PID, 0) on it.  If the PID==0, it means the container is already
stopped.
@@ -429,6 +429,10 @@ func (r *ConmonOCIRuntime) StopContainer(ctr *Container, timeout uint, all bool)
}
if err := r.KillContainer(ctr, uint(unix.SIGKILL), all); err != nil {
+ // If the PID is 0, then the container is already stopped.
+ if ctr.state.PID == 0 {
+ return nil
+ }
// Again, check if the container is gone. If it is, exit cleanly.
if aliveErr := unix.Kill(ctr.state.PID, 0); errors.Is(aliveErr, unix.ESRCH) {
return nil
