Messages in this thread Patch in this message | | | Date | Mon, 9 Jan 2023 19:39:21 +0800 (CST) | From | <> | Subject | [PATCH linux-next] tracing: use strscpy() to instead of strncpy() |
| |
From: Xu Panda <xu.panda@zte.com.cn>
The implementation of strscpy() is more robust and safer. That's now the recommended way to copy NUL-terminated strings.
Signed-off-by: Xu Panda <xu.panda@zte.com.cn> Signed-off-by: Yang Yang <yang.yang29@zte.com.cn> --- kernel/trace/trace_events_synth.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/kernel/trace/trace_events_synth.c b/kernel/trace/trace_events_synth.c index 67592eed0be8..cd636edd045e 100644 --- a/kernel/trace/trace_events_synth.c +++ b/kernel/trace/trace_events_synth.c @@ -195,8 +195,7 @@ static int synth_field_string_size(char *type) if (len == 0) return 0; /* variable-length string */
- strncpy(buf, start, len); - buf[len] = '\0'; + strscpy(buf, start, len + 1);
err = kstrtouint(buf, 0, &size); if (err) -- 2.15.2
| |