Negative maxTimeoutSeconds

[zhdkirill]

Setting a small timeout value in a scraper (Prometheus) without changing the default offset leads to negative timeout values.
Prometheus configured to scrape every 200ms with default Blackbox offset of 500ms leads to timeout of -0.3s.

The possibility of a negative value of maxTimeoutSeconds is not checked here.

blackbox_exporter/main.go

Line 445 in f4a5173

if module.Timeout.Seconds() < maxTimeoutSeconds && module.Timeout.Seconds() > 0 {