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v2: Prevent killing all container processes when exec is failed

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If an exec is failed(such as executable file not found in $PATH), the
`execs.id` will be empty. This leads to all the container processes
being killed when calling `Kill` on such exec id.

Fixes: #2001
Signed-off-by: Li Yuxuan <liyuxuan04@baidu.com>
This commit is contained in:
Li Yuxuan 2019-08-23 23:51:39 +08:00
parent eb0a3d23d9
commit 4cf0703c58
1 changed files with 8 additions and 0 deletions
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8
containerd-shim-v2/service.go
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@ -675,6 +675,14 @@ func (s *service) Kill(ctx context.Context, r *taskAPI.KillRequest) (_ *ptypes.E
return nil, err
}
processID = execs.id
if processID == "" {
logrus.WithFields(logrus.Fields{
"sandbox": s.sandbox.ID(),
"Container": c.id,
"ExecID": r.ExecID,
}).Debug("Id of exec process to be signalled is empty")
return empty, errors.New("The exec process does not exist")
}
}
return empty, s.sandbox.SignalProcess(c.id, processID, signum, r.All)