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-rw-r--r--kernel/trace/trace_functions_graph.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/trace/trace_functions_graph.c b/kernel/trace/trace_functions_graph.c
index 79f4bac..6bff236 100644
--- a/kernel/trace/trace_functions_graph.c
+++ b/kernel/trace/trace_functions_graph.c
@@ -641,7 +641,8 @@ trace_print_graph_duration(unsigned long long duration, struct trace_seq *s)
/* Print nsecs (we don't want to exceed 7 numbers) */
if (len < 7) {
- snprintf(nsecs_str, 8 - len, "%03lu", nsecs_rem);
+ snprintf(nsecs_str, min(sizeof(nsecs_str), 8UL - len), "%03lu",
+ nsecs_rem);
ret = trace_seq_printf(s, ".%s", nsecs_str);
if (!ret)
return TRACE_TYPE_PARTIAL_LINE;
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