Hello: This patch was applied to netdev/net.git (master) by Jakub Kicinski <kuba@xxxxxxxxxx>: On Mon, 6 Feb 2023 13:28:49 -0800 you wrote: > After calling irq_set_affinity_and_hint(), the cpumask pointer is > saved in desc->affinity_hint, and will be used later when reading > /proc/irq/<num>/affinity_hint. So the cpumask variable needs to be > persistent. Otherwise, we are accessing freed memory when reading > the affinity_hint file. > > Also, need to clear affinity_hint before free_irq(), otherwise there > is a one-time warning and stack trace during module unloading: > > [...] Here is the summary with links: - [net,v3] net: mana: Fix accessing freed irq affinity_hint https://git.kernel.org/netdev/net/c/18a048370b06 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html