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| author |   Andrea Righi <arighi@nvidia.com> | 2025-03-03 18:51:59 +0100 |
|---|---|---|
| committer |   Tejun Heo <tj@kernel.org> | 2025-03-03 07:55:48 -1000 |
| commit | 9360dfe4cbd62ff1eb8217b815964931523b75b3 (patch) | |
| tree | 02d5452f2b0b802bc740957174f43c9d2914e90c /tools/perf/scripts/python/exported-sql-viewer.py | |
| parent | sched_ext: Fix pick_task_scx() picking non-queued tasks when it's called without balance() (diff) | |
| download | linux-rng-9360dfe4cbd62ff1eb8217b815964931523b75b3.tar.xz linux-rng-9360dfe4cbd62ff1eb8217b815964931523b75b3.zip | |
sched_ext: Validate prev_cpu in scx_bpf_select_cpu_dfl()
If a BPF scheduler provides an invalid CPU (outside the nr_cpu_ids
range) as prev_cpu to scx_bpf_select_cpu_dfl() it can cause a kernel
crash.
To prevent this, validate prev_cpu in scx_bpf_select_cpu_dfl() and
trigger an scx error if an invalid CPU is specified.
Fixes: f0e1a0643a59b ("sched_ext: Implement BPF extensible scheduler class")
Cc: stable@vger.kernel.org # v6.12+
Signed-off-by: Andrea Righi <arighi@nvidia.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'tools/perf/scripts/python/exported-sql-viewer.py')
0 files changed, 0 insertions, 0 deletions