* [PATCH linux-next] perf auxtrace: use strscpy() is more robust and safer
@ 2022-09-22 1:28 cgel.zte
0 siblings, 0 replies; only message in thread
From: cgel.zte @ 2022-09-22 1:28 UTC (permalink / raw)
To: acme
Cc: mingo, mark.rutland, alexander.shishkin, jolsa, namhyung,
adrian.hunter, irogers, ak, linux-perf-users, linux-kernel,
ye xingchen, Zeal Robot
From: ye xingchen <ye.xingchen@zte.com.cn>
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@zte.com.cn>
Signed-off-by: ye xingchen <ye.xingchen@zte.com.cn>
---
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
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