otellogr: Fix nil context panic

CHANGELOG.md

@@ -14,6 +14,7 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
 
 ### Fixed
 
+- Use `context.Background()` as default context instead of nil in `go.opentelemetry.io/contrib/bridges/otellogr`. (#6527)
 - Fix error logged by Jaeger remote sampler on empty or unset `OTEL_TRACES_SAMPLER_ARG` environment variable (#6511)
 
 ## [1.33.0/0.58.0/0.27.0/0.13.0/0.8.0/0.6.0/0.5.0] - 2024-12-12

bridges/otellogr/logsink.go

@@ -176,6 +176,7 @@ func NewLogSink(name string, options ...Option) *LogSink {
 		logger:        c.provider.Logger(name, opts...),
 		levelSeverity: c.levelSeverity,
 		opts:          opts,
+		ctx:           context.Background(),
 	}
 }
 
@@ -240,7 +241,7 @@ func (l *LogSink) Info(level int, msg string, keysAndValues ...any) {
 
 // Init receives optional information about the logr library this
 // implementation does not use it.
-func (l *LogSink) Init(info logr.RuntimeInfo) {
+func (l *LogSink) Init(logr.RuntimeInfo) {
 	// We don't need to do anything here.
 	// CallDepth is used to calculate the caller's PC.
 	// PC is dropped as part of the conversion to the OpenTelemetry log.Record.