diff options
author | Peter Zijlstra <peterz@infradead.org> | 2018-11-02 14:22:25 +0100 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-12-01 09:14:02 +0100 |
commit | d81abc59d3f35ea52ec89abe15c5b80267e8f0a7 (patch) | |
tree | cf40959260d354dc3565dd36eac0e617dfc616d1 /kernel | |
parent | ab630e537970e7e3ee2f2539bdbfc9618d761499 (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.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/sched/topology.c b/kernel/sched/topology.c index 9dcd80ed9d4c..867d173dab48 100644 --- a/kernel/sched/topology.c +++ b/kernel/sched/topology.c @@ -1347,7 +1347,7 @@ 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; |