From 2313b97bc0ccedf951ffdd85ffd3629169cfd80b Mon Sep 17 00:00:00 2001 From: Emily Ehlert Date: Thu, 13 Nov 2025 19:16:08 +0000 Subject: [PATCH] tools/power turbostat: Set per_cpu_msr_sum to NULL after free Set per_cpu_msr_sum to NULL after freeing it in the error path of msr_sum_record() to prevent potential use-after-free issues. Signed-off-by: Emily Ehlert Signed-off-by: Len Brown --- tools/power/x86/turbostat/turbostat.c | 1 + 1 file changed, 1 insertion(+) diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c index 2854b66eb7480..8154d110dd07d 100644 --- a/tools/power/x86/turbostat/turbostat.c +++ b/tools/power/x86/turbostat/turbostat.c @@ -6652,6 +6652,7 @@ release_timer: timer_delete(timerid); release_msr: free(per_cpu_msr_sum); + per_cpu_msr_sum = NULL; } /* -- 2.47.3