From: Bowen Yu <yubowen8@huawei.com> mainline inclusion from mainline-v6.16-rc1 commit 9c5075fc9d322670d4a82881bf41922a90fe423a category: bugfix bugzilla: https://atomgit.com/openeuler/kernel/issues/9163 CVE: NA Reference: https://web.git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commi... ---------------------------------------------------------------------- Setting the length of str_governor with a magic number could cause overflow when max length increases, it is better to use the defined macro in this case. Signed-off-by: Bowen Yu <yubowen8@huawei.com> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Link: https://patch.msgid.link/20250519070908.930879-1-yubowen8@huawei.com Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Signed-off-by: Bowen Yu <yubowen8@huawei.com> Signed-off-by: Hongye Lin <linhongye@h-partners.com> --- drivers/cpufreq/cpufreq.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index fca922b84490..6fb64dece82e 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -831,7 +831,7 @@ static ssize_t show_scaling_governor(struct cpufreq_policy *policy, char *buf) static ssize_t store_scaling_governor(struct cpufreq_policy *policy, const char *buf, size_t count) { - char str_governor[16]; + char str_governor[CPUFREQ_NAME_LEN]; int ret; ret = sscanf(buf, "%15s", str_governor); -- 2.33.0