diff options
Diffstat (limited to 'kernel/sched/autogroup.c')
| -rw-r--r-- | kernel/sched/autogroup.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/kernel/sched/autogroup.c b/kernel/sched/autogroup.c index bb4b9fe026a1..e3d1ba7e3a94 100644 --- a/kernel/sched/autogroup.c +++ b/kernel/sched/autogroup.c @@ -4,6 +4,7 @@ #include <linux/utsname.h> #include <linux/security.h> #include <linux/export.h> +#include <linux/nospec.h> #include "sched.h" @@ -212,7 +213,7 @@ int proc_sched_autogroup_set_nice(struct task_struct *p, int nice) static unsigned long next = INITIAL_JIFFIES; struct autogroup *ag; unsigned long shares; - int err; + int err, idx; if (nice < MIN_NICE || nice > MAX_NICE) return -EINVAL; @@ -230,7 +231,9 @@ int proc_sched_autogroup_set_nice(struct task_struct *p, int nice) next = HZ / 10 + jiffies; ag = autogroup_task_get(p); - shares = scale_load(sched_prio_to_weight[nice + 20]); + + idx = array_index_nospec(nice + 20, 40); + shares = scale_load(sched_prio_to_weight[idx]); down_write(&ag->lock); err = sched_group_set_shares(ag->tg, shares); |