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-rw-r--r--runsc/sandbox/sandbox.go12
1 files changed, 7 insertions, 5 deletions
diff --git a/runsc/sandbox/sandbox.go b/runsc/sandbox/sandbox.go
index 6177d6aa7..8de75ae57 100644
--- a/runsc/sandbox/sandbox.go
+++ b/runsc/sandbox/sandbox.go
@@ -701,6 +701,13 @@ func (s *Sandbox) createSandboxProcess(conf *boot.Config, args *Args, startSyncF
nextFD++
}
+ if args.Attached {
+ // Kill sandbox if parent process exits in attached mode.
+ cmd.SysProcAttr.Pdeathsig = syscall.SIGKILL
+ // Tells boot that any process it creates must have pdeathsig set.
+ cmd.Args = append(cmd.Args, "--attached")
+ }
+
// Add container as the last argument.
cmd.Args = append(cmd.Args, s.ID)
@@ -709,11 +716,6 @@ func (s *Sandbox) createSandboxProcess(conf *boot.Config, args *Args, startSyncF
log.Debugf("Donating FD %d: %q", i+3, f.Name())
}
- if args.Attached {
- // Kill sandbox if parent process exits in attached mode.
- cmd.SysProcAttr.Pdeathsig = syscall.SIGKILL
- }
-
log.Debugf("Starting sandbox: %s %v", binPath, cmd.Args)
log.Debugf("SysProcAttr: %+v", cmd.SysProcAttr)
if err := specutils.StartInNS(cmd, nss); err != nil {