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authorPeter Zijlstra <peterz@infradead.org>2018-11-02 14:22:25 +0100
committerIngo Molnar <mingo@kernel.org>2018-11-04 00:40:03 +0100
commit993f0b0510dad98b4e6e39506834dab0d13fd539 (patch)
treea87e1227438aed493097db201463da1a95e4bdb5
parenta68d75081aeccfb169575bea6f452a5a12b9f49b (diff)
downloadlinux-993f0b0510dad98b4e6e39506834dab0d13fd539.tar.gz
sched/topology: Fix off by one bug
With the addition of the NUMA identity level, we increased @level by one and will run off the end of the array in the distance sort loop. Fixed: 051f3ca02e46 ("sched/topology: Introduce NUMA identity node sched domain") Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-kernel@vger.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
-rw-r--r--kernel/sched/topology.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/sched/topology.c b/kernel/sched/topology.c
index 9d74371e4aad..8d7f15ba5916 100644
--- a/kernel/sched/topology.c
+++ b/kernel/sched/topology.c
@@ -1337,7 +1337,7 @@ void sched_init_numa(void)
int level = 0;
int i, j, k;
- sched_domains_numa_distance = kzalloc(sizeof(int) * nr_node_ids, GFP_KERNEL);
+ sched_domains_numa_distance = kzalloc(sizeof(int) * (nr_node_ids + 1), GFP_KERNEL);
if (!sched_domains_numa_distance)
return;