Re: [PATCH v7 0/3] MR4243: Draft: rtworkq: free cancelled work items

[Yuxuan Shui (＠yshui)]

On Wed Mar  6 06:18:22 2024 +0000, Yuxuan Shui wrote:
> Hmm, i think the clearer version does have a use-after-free problem. If
> the item is freed in `queue_cancel_item` while
> `scheduled_item_cancelable_callback`/`waiting_item_cancelable_callback`
> is running, the latter will use-after-free.
> I am afraid my original version is still the only way to do this. @zhiyi
> do you have thoughts? since you have worked on this part of code just recently?

~~Or maybe we can put the whole callback into critical section~~ I don't think this would help.