File 0005-bootchart-Do-not-try-to-access-data-for-no... of Package systemd.578

Overview Repositories Revisions Requests Users Attributes Meta

File 0005-bootchart-Do-not-try-to-access-data-for-non-existing.patch of Package systemd.578

From c119700c06b248b1c2a082b40b1a346f58d89da0 Mon Sep 17 00:00:00 2001
From: Philippe De Swert <philippe.deswert@jollamobile.com>
Date: Sun, 28 Sep 2014 18:12:51 +0300
Subject: [PATCH] bootchart: Do not try to access data for non-existing CPU's

Cpu's are assigned normally, so starting at 0, so the MAX_CPU index will
always be one smaller than the actual number.

Found with Coverity.
---
 src/bootchart/store.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git src/bootchart/store.c src/bootchart/store.c
index 3099ff1..9ea1b27 100644
--- src/bootchart/store.c
+++ src/bootchart/store.c
@@ -199,7 +199,7 @@ vmstat_next:
 
                 if (strstr(key, "cpu")) {
                         r = safe_atoi((const char*)(key+3), &c);
-                        if (r < 0 || c > MAXCPUS)
+                        if (r < 0 || c > MAXCPUS -1)
                                 /* Oops, we only have room for MAXCPUS data */
                                 break;
                         sampledata->runtime[c] = atoll(rt);
-- 
1.7.9.2

Places

File 0005-bootchart-Do-not-try-to-access-data-for-non-existing.patch of Package systemd.578

Places