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authorPeter Zijlstra <peterz@infradead.org>2018-11-02 14:22:25 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-12-01 09:17:16 +0100
commited023646c2cf2366d0d31beef688227b0a2bc15f (patch)
tree0cf48da6468dada6ae490bdb1089052287eaa7c0 /kernel
parentf9fca78e6cf2a44504dac45761c5195973f49c29 (diff)
sched/topology: Fix off by one bug
[ Upstream commit 993f0b0510dad98b4e6e39506834dab0d13fd539 ] 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> Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'kernel')
-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 c0a751464971..74b694392f2f 100644
--- a/kernel/sched/topology.c
+++ b/kernel/sched/topology.c
@@ -1329,7 +1329,7 @@ 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;