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logtail, net/portmapper, wgengine/magicsock: use fmt.Appendf

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Fixes #5206

Change-Id: I490bb92e774ce7c044040537e2cd864fcf1dbe5a
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
This commit is contained in:
Brad Fitzpatrick
2022-08-03 21:29:11 -07:00
committed by Brad Fitzpatrick
parent 4aa88bc2c0
commit 5381437664
4 changed files with 4 additions and 7 deletions
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2
wgengine/magicsock/magicsock.go
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@@ -811,7 +811,7 @@ func (c *Conn) pickDERPFallback() int {
}
h := fnv.New64()
h.Write([]byte(fmt.Sprintf("%p/%d", c, processStartUnixNano))) // arbitrary
fmt.Fprintf(h, "%p/%d", c, processStartUnixNano) // arbitrary
return ids[rand.New(rand.NewSource(int64(h.Sum64()))).Intn(len(ids))]
}