[PATCH linux-next] perf auxtrace: use strscpy() is more robust and safer

From: cgel . zte
Date: Wed Sep 21 2022 - 21:28:58 EST


From: ye xingchen <ye.xingchen@xxxxxxxxxx>

The implementation of strscpy() is more robust and safer.

That's now the recommended way to copy NUL terminated strings.

Reported-by: Zeal Robot <zealci@xxxxxxxxxx>
Signed-off-by: ye xingchen <ye.xingchen@xxxxxxxxxx>
---
tools/perf/util/auxtrace.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/perf/util/auxtrace.c b/tools/perf/util/auxtrace.c
index b59c278fe9ed..81ee28983071 100644
--- a/tools/perf/util/auxtrace.c
+++ b/tools/perf/util/auxtrace.c
@@ -1208,7 +1208,7 @@ void auxtrace_synth_guest_error(struct perf_record_auxtrace_error *auxtrace_erro
auxtrace_error->fmt = 1;
auxtrace_error->ip = ip;
auxtrace_error->time = timestamp;
- strlcpy(auxtrace_error->msg, msg, MAX_AUXTRACE_ERROR_MSG);
+ strscpy(auxtrace_error->msg, msg, MAX_AUXTRACE_ERROR_MSG);
if (machine_pid) {
auxtrace_error->fmt = 2;
auxtrace_error->machine_pid = machine_pid;
--
2.25.1