[PATCH] tracing: Replace deprecated strncpy() with strscpy() for string keys in hist triggers
From: Devaansh Kumar <hidden>
Date: 2025-05-14 20:20:08
Also in:
linux-kernel-mentees, lkml
Subsystem:
the rest, tracing · Maintainers:
Linus Torvalds, Steven Rostedt, Masami Hiramatsu
strncpy() is deprecated for NUL-terminated destination buffers and must be replaced by strscpy(). See issue: https://github.com/KSPP/linux/issues/90 Signed-off-by: Devaansh Kumar <redacted> --- kernel/trace/trace_events_hist.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/trace/trace_events_hist.c b/kernel/trace/trace_events_hist.c
index 1260c23cfa5f..90a4e486fba8 100644
--- a/kernel/trace/trace_events_hist.c
+++ b/kernel/trace/trace_events_hist.c@@ -5225,7 +5225,7 @@ static inline void add_to_key(char *compound_key, void *key, if (size > key_field->size - 1) size = key_field->size - 1; - strncpy(compound_key + key_field->offset, (char *)key, size); + strscpy(compound_key + key_field->offset, (char *)key, size); } else memcpy(compound_key + key_field->offset, key, size); }
--
2.49.0