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| author | Tejun Heo <[email protected]> | 2025-05-05 21:30:39 +0000 |
|---|---|---|
| committer | Tejun Heo <[email protected]> | 2025-05-07 16:24:07 +0000 |
| commit | 428dc9fc0873989d73918d4a9cc22745b7bbc799 (patch) | |
| tree | 8102669845543340f2340f839978639d572069fb /drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c | |
| parent | sched_ext: Fix rq lock state in hotplug ops (diff) | |
| download | kernel-428dc9fc0873989d73918d4a9cc22745b7bbc799.tar.gz kernel-428dc9fc0873989d73918d4a9cc22745b7bbc799.zip | |
sched_ext: bpf_iter_scx_dsq_new() should always initialize iterator
BPF programs may call next() and destroy() on BPF iterators even after new()
returns an error value (e.g. bpf_for_each() macro ignores error returns from
new()). bpf_iter_scx_dsq_new() could leave the iterator in an uninitialized
state after an error return causing bpf_iter_scx_dsq_next() to dereference
garbage data. Make bpf_iter_scx_dsq_new() always clear $kit->dsq so that
next() and destroy() become noops.
Signed-off-by: Tejun Heo <[email protected]>
Fixes: 650ba21b131e ("sched_ext: Implement DSQ iterator")
Cc: [email protected] # v6.12+
Acked-by: Andrea Righi <[email protected]>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c')
0 files changed, 0 insertions, 0 deletions