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tools/power turbostat: fix possible sprintf buffer overflow 

Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Len Brown 2017-12-08 17:38:17 -05:00
parent fd3933ca7b
commit 46c2797826
1 changed files with 1 additions and 1 deletions
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tools/power/x86/turbostat/turbostat.c
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@ -1529,7 +1529,7 @@ int get_mp(int cpu, struct msr_counter *mp, unsigned long long *counterp)
if (get_msr(cpu, mp->msr_num, counterp)) if (get_msr(cpu, mp->msr_num, counterp))
return -1; return -1;
} else { } else {
char path[128]; char path[128 + PATH_BYTES];
if (mp->flags & SYSFS_PERCPU) { if (mp->flags & SYSFS_PERCPU) {
sprintf(path, "/sys/devices/system/cpu/cpu%d/%s", sprintf(path, "/sys/devices/system/cpu/cpu%d/%s",