filter_log_to_metrics: Fix the bondary condition of overflowing

cosmo0920 · cosmo0920 · commit 8822092abaf8 · 2026-01-30T16:32:13.000+09:00
Signed-off-by: Hiroshi Hatake &lt;hiroshi@chronosphere.io&gt;
diff --git a/plugins/filter_log_to_metrics/log_to_metrics.c b/plugins/filter_log_to_metrics/log_to_metrics.c
@@ -416,7 +416,7 @@ static int set_labels(struct log_to_metrics_ctx *ctx,
     mk_list_foreach(head, &f_ins->properties) {
         kv = mk_list_entry(head, struct flb_kv, _head);
 
-        if (counter >= ctx->label_counter) {
+        if (counter > ctx->label_counter) {
             flb_plg_error(ctx->ins, "internal label counter overflow");
             return -1;
         }

Original file line number	Diff line number	Diff line change
`@@ -416,7 +416,7 @@ static int set_labels(struct log_to_metrics_ctx *ctx,`
`416`	`416`	`mk_list_foreach(head, &f_ins->properties) {`
`417`	`417`	`kv = mk_list_entry(head, struct flb_kv, _head);`
`418`	`418`
`419`		`- if (counter >= ctx->label_counter) {`
	`419`	`+ if (counter > ctx->label_counter) {`
`420`	`420`	`flb_plg_error(ctx->ins, "internal label counter overflow");`
`421`	`421`	`return -1;`
`422`	`422`	`}`