linux-kernel - Re: [PATCH net] enetc: Fix illegal access when reading affinity

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <163205040906.14261.2098100374293719653.git-patchwork-notify@kernel.org>
Date:   Sun, 19 Sep 2021 11:20:09 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Claudiu Manoil <claudiu.manoil@....com>
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        davem@...emloft.net, kuba@...nel.org
Subject: Re: [PATCH net] enetc: Fix illegal access when reading affinity_hint

Hello:

This patch was applied to netdev/net.git (refs/heads/master):

On Fri, 17 Sep 2021 13:22:05 +0300 you wrote:
> irq_set_affinity_hit() stores a reference to the cpumask_t
> parameter in the irq descriptor, and that reference can be
> accessed later from irq_affinity_hint_proc_show(). Since
> the cpu_mask parameter passed to irq_set_affinity_hit() has
> only temporary storage (it's on the stack memory), later
> accesses to it are illegal. Thus reads from the corresponding
> procfs affinity_hint file can result in paging request oops.
> 
> [...]

Here is the summary with links:
  - [net] enetc: Fix illegal access when reading affinity_hint
    https://git.kernel.org/netdev/net/c/7237a494decf

You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html