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cmd/tsconnect: fix null pointer dereference when DNS lookups fail 

If we never had a chance to open the SSH session we should not try to
close it.

Fixes #6089

Signed-off-by: Mihai Parparita <mihai@tailscale.com>
This commit is contained in:
Mihai Parparita 2022-10-31 14:05:43 -07:00 committed by Mihai Parparita
parent e2519813b1
commit 2be951a582
1 changed files with 4 additions and 0 deletions
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4
cmd/tsconnect/wasm/wasm_js.go
View File

@ -463,6 +463,10 @@ func (s *jsSSHSession) Run() {
} }
func (s *jsSSHSession) Close() error { func (s *jsSSHSession) Close() error {
if s.session == nil {
// We never had a chance to open the session, ignore the close request.
return nil
}
return s.session.Close() return s.session.Close()
} }