[PATCH 4.14 04/94] tools/power turbostat: fix possible sprintf buffer overflow
From: Greg Kroah-Hartman
Date: Mon Oct 08 2018 - 14:42:03 EST
4.14-stable review patch. If anyone has any objections, please let me know.
------------------
From: Len Brown <len.brown@xxxxxxxxx>
commit 46c2797826cc6d1ae36fcbd966e76f9fa1907eef upstream.
Signed-off-by: Len Brown <len.brown@xxxxxxxxx>
Cc: Alakesh Haloi <alakeshh@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
tools/power/x86/turbostat/turbostat.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@@ -1485,7 +1485,7 @@ int get_mp(int cpu, struct msr_counter *
if (get_msr(cpu, mp->msr_num, counterp))
return -1;
} else {
- char path[128];
+ char path[128 + PATH_BYTES];
if (mp->flags & SYSFS_PERCPU) {
sprintf(path, "/sys/devices/system/cpu/cpu%d/%s",