afs: Fix netns teardown to cancel the preallocation charger

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CVE-2026-74427 · Microsoft / collected KEV context

cve-program · CVE-2026-74427

• https://git.kernel.org/stable/c/63ccaf1bdf8be2330f47f9b5b233dd3fd04acbd9
• https://git.kernel.org/stable/c/f5096e18b6b7fbd1c2a1942e275a51bcfdfb2ad1
• https://git.kernel.org/stable/c/59e8b7652f6cbfb62d377ead0ad553c1b4e39a7a
• https://git.kernel.org/stable/c/85d5fb80fe4f0cc836b6df83f26de204fe102ff7
• https://git.kernel.org/stable/c/a33975ff2b6ea47b8f29956403374b1cdd057539
• https://git.kernel.org/stable/c/b83ecf80e28afb7b6595ba79932e77ca68a5a83d
• https://git.kernel.org/stable/c/eec89c5f8e1adc1de4824042ef75f62aed804153
• https://git.kernel.org/stable/c/47694fbc9d24ab6bf210f91e8efe06a10a478064

No related operational record is retained in the current change model.