Commit 201c373e8e ("sched/debug: Limit sd->*_idx range on sysctl")
was an incomplete bug fix. This patch fixs sd->*_idx limit range to
[0 ~ CPU_LOAD_IDX_MAX - 1] avioding array overflow caused by setting
sd->*_idx to CPU_LOAD_IDX_MAX on sysctl.Signed-off-by: Libin <huawei.li...@huawei.com> --- kernel/sched/core.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 7f12624..ba89ada 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -4999,7 +4999,7 @@ static void sd_free_ctl_entry(struct ctl_table **tablep) } static int min_load_idx = 0; -static int max_load_idx = CPU_LOAD_IDX_MAX; +static int max_load_idx = CPU_LOAD_IDX_MAX - 1; static void set_table_entry(struct ctl_table *entry, -- 1.6.0.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
