fix: check data nil

Signed-off-by: aimuz <mr.imuz@gmail.com>
kubernetes · May 17, 2023 · 5c4e670 · 5c4e670
1 parent ec6347c
commit 5c4e670
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/klog.go b/klog.go
@@ -873,7 +873,7 @@ func (l *loggingT) output(s severity.Severity, logger *logWriter, buf *buffer.Bu
 		if logger.writeKlogBuffer != nil {
 			logger.writeKlogBuffer(data)
 		} else {
-			if data[len(data)-1] == '\n' {
+			if len(data) > 0 && data[len(data)-1] == '\n' {
 				data = data[:len(data)-1]
 			}
 			// TODO: set 'severity' and caller information as structured log info