From 4fc465eb2879799cb0ecd76bae64a6c6b69fe08b Mon Sep 17 00:00:00 2001 From: Shouhei Date: Sat, 4 Apr 2026 13:28:17 +0900 Subject: [PATCH] fix: ignore missing /proc/net/tcp6 and /proc/net/udp6 on IPv6-disabled systems Signed-off-by: Shouhei --- pkg/portutil/procnet/procnet_linux.go | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/pkg/portutil/procnet/procnet_linux.go b/pkg/portutil/procnet/procnet_linux.go index 559ea6d946f..c47302841c6 100644 --- a/pkg/portutil/procnet/procnet_linux.go +++ b/pkg/portutil/procnet/procnet_linux.go @@ -18,6 +18,7 @@ package procnet import ( "bufio" + "errors" "fmt" "os" ) @@ -52,6 +53,10 @@ func ReadStatsFileData(protocol string) ([]string, error) { fp, err := os.Open(fileAddress) if err != nil { + // IPv6-disabled environments do not have these files. + if (fileAddress == netTCP6Stats || fileAddress == netUDP6Stats) && errors.Is(err, os.ErrNotExist) { + return nil, nil + } return nil, err } defer fp.Close()