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

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