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-rw-r--r--kernel/sched/ext.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/sched/ext.c b/kernel/sched/ext.c
index 325fd5b9d471..e5cab54dfdd1 100644
--- a/kernel/sched/ext.c
+++ b/kernel/sched/ext.c
@@ -6052,6 +6052,9 @@ __bpf_kfunc_start_defs();
__bpf_kfunc s32 scx_bpf_select_cpu_dfl(struct task_struct *p, s32 prev_cpu,
u64 wake_flags, bool *is_idle)
{
+ if (!ops_cpu_valid(prev_cpu, NULL))
+ goto prev_cpu;
+
if (!static_branch_likely(&scx_builtin_idle_enabled)) {
scx_ops_error("built-in idle tracking is disabled");
goto prev_cpu;