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docker: avoid concurrent map access panic

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Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>
This commit is contained in:
Tonis Tiigi 2020-12-15 17:35:44 -08:00
parent e922d5553d
commit bf323c5bdd
1 changed files with 4 additions and 1 deletions
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5
remotes/docker/resolver.go
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@ -521,7 +521,10 @@ func (r *request) do(ctx context.Context) (*http.Response, error) {
if err != nil {
return nil, err
}
req.Header = r.header
req.Header = http.Header{} // headers need to be copied to avoid concurrent map access
for k, v := range r.header {
req.Header[k] = v
}
if r.body != nil {
body, err := r.body()
if err != nil {