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cmd/natc: fix nil pointer

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Fixes #13495

Signed-off-by: Fran Bull <fran@tailscale.com>
This commit is contained in:
Fran Bull
2024-09-17 09:23:33 -07:00
committed by franbull
parent 5f4a4c6744
commit 8b962f23d1
1 changed files with 5 additions and 0 deletions
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5
cmd/natc/natc.go
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@@ -456,6 +456,11 @@ func (c *connector) ignoreDestination(dstAddrs []netip.Addr) bool {
} }
func proxyTCPConn(c net.Conn, dest string) { func proxyTCPConn(c net.Conn, dest string) {
if c.RemoteAddr() == nil {
log.Printf("proxyTCPConn: nil RemoteAddr")
c.Close()
return
}
addrPortStr := c.LocalAddr().String() addrPortStr := c.LocalAddr().String()
_, port, err := net.SplitHostPort(addrPortStr) _, port, err := net.SplitHostPort(addrPortStr)
if err != nil { if err != nil {