Re: [PATCH v3] mac802154: Fix potential RCU dereference issue in mac802154_scan_worker

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Hello Jiawei Ye.

On Tue, 24 Sep 2024 06:58:05 +0000, Jiawei Ye wrote:
> In the `mac802154_scan_worker` function, the `scan_req->type` field was
> accessed after the RCU read-side critical section was unlocked. According
> to RCU usage rules, this is illegal and can lead to unpredictable
> behavior, such as accessing memory that has been updated or causing
> use-after-free issues.
> 
> This possible bug was identified using a static analysis tool developed
> by myself, specifically designed to detect RCU-related issues.
> 
> [...]

Applied to wpan/wpan.git, thanks!

[1/1] mac802154: Fix potential RCU dereference issue in mac802154_scan_worker
      https://git.kernel.org/wpan/wpan/c/bff1709b3980

regards,
Stefan Schmidt




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