sched_ext: scx_dsq_move() should validate the task belongs to the right scheduler

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scx_bpf_dsq_move[_vtime]() calls scx_dsq_move() to move task from a DSQ to
another. However, @p doesn't necessarily have to come form the containing
iteration and can thus be a task which belongs to another scx_sched. Verify
that @p is on the same scx_sched as the DSQ being iterated.

Signed-off-by: Tejun Heo <tj@kernel.org>
Reviewed-by: Andrea Righi <arighi@nvidia.com>

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Tejun Heo 2026-03-06 07:58:03 -10:00

parent 245d09c594

commit bb4d9fd551

1 changed files with 6 additions and 1 deletions

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kernel/sched/ext.c

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