promhttp: fix panic on requests with nil URL#2065
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Signed-off-by: Sai Asish Y <say.apm35@gmail.com>
kakkoyun
approved these changes
Jul 23, 2026
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Fixes #2064. The name[] filtering added in #1925 reads req.URL.Query() unconditionally, so serving a hand-constructed
&http.Request{}(common in handler tests, worked fine before 1.24) now panics with a nil pointer dereference. Guard the URL before reading query params and add a regression test.