[PATCH] perf/x86: Replace strncpy() with memcpy() for vendor string

[Usman Akinyemi]

strncpy() is unsafe for fixed-size binary data as
it may not NUL-terminate and is deprecated for such
usage. Since we're copying raw CPUID register values,
memcpy() is the correct and safe choice.

Signed-off-by: Usman Akinyemi <usmanakinyemi202@xxxxxxxxx>
---
 tools/perf/arch/x86/util/header.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/tools/perf/arch/x86/util/header.c b/tools/perf/arch/x86/util/header.c
index 412977f8aa83..43ba55627817 100644
--- a/tools/perf/arch/x86/util/header.c
+++ b/tools/perf/arch/x86/util/header.c
@@ -16,9 +16,9 @@ void get_cpuid_0(char *vendor, unsigned int *lvl)
 	unsigned int b, c, d;
 
 	cpuid(0, 0, lvl, &b, &c, &d);
-	strncpy(&vendor[0], (char *)(&b), 4);
-	strncpy(&vendor[4], (char *)(&d), 4);
-	strncpy(&vendor[8], (char *)(&c), 4);
+	memcpy(&vendor[0], (char *)(&b), 4);
+	memcpy(&vendor[4], (char *)(&d), 4);
+	memcpy(&vendor[8], (char *)(&c), 4);
 	vendor[12] = '\0';
 }
 
-- 
2.49.0