netdev - Re: [PATCH net-next] net-sysfs: remove possible sleep from an RCU read-side critical section

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] [day] [month] [year] [list]

Date:   Mon, 22 Mar 2021 20:40:07 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Antoine Tenart <atenart@...nel.org>
Cc:     davem@...emloft.net, kuba@...nel.org, alexander.duyck@...il.com,
        netdev@...r.kernel.org, oliver.sang@...el.com, willy@...radead.org
Subject: Re: [PATCH net-next] net-sysfs: remove possible sleep from an RCU
 read-side critical section

Hello:

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

On Mon, 22 Mar 2021 16:43:29 +0100 you wrote:
> xps_queue_show is mostly made of an RCU read-side critical section and
> calls bitmap_zalloc with GFP_KERNEL in the middle of it. That is not
> allowed as this call may sleep and such behaviours aren't allowed in RCU
> read-side critical sections. Fix this by using GFP_NOWAIT instead.
> 
> Fixes: 5478fcd0f483 ("net: embed nr_ids in the xps maps")
> Reported-by: kernel test robot <oliver.sang@...el.com>
> Suggested-by: Matthew Wilcox <willy@...radead.org>
> Signed-off-by: Antoine Tenart <atenart@...nel.org>
> 
> [...]

Here is the summary with links:
  - [net-next] net-sysfs: remove possible sleep from an RCU read-side critical section
    https://git.kernel.org/netdev/net-next/c/7f08ec6e0426

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