Re: [PATCH net v2] bridge: mrp: reject zero test interval to avoid OOM panic

[email protected]
Newsgroups gmane.linux.network.bridge,gmane.linux.network
Message-ID <177496680554.2727366.2524464978514165694.git-patchwork-notify@kernel.org>
Hello:

This patch was applied to netdev/net.git (main)
by Paolo Abeni <[email protected]>:

On Fri, 27 Mar 2026 23:30:00 -0700 you wrote:
> br_mrp_start_test() and br_mrp_start_in_test() accept the user-supplied
> interval value from netlink without validation. When interval is 0,
> usecs_to_jiffies(0) yields 0, causing the delayed work
> (br_mrp_test_work_expired / br_mrp_in_test_work_expired) to reschedule
> itself with zero delay. This creates a tight loop on system_percpu_wq
> that allocates and transmits MRP test frames at maximum rate, exhausting
> all system memory and causing a kernel panic via OOM deadlock.
> 
> [...]

Here is the summary with links:
  - [net,v2] bridge: mrp: reject zero test interval to avoid OOM panic
    https://git.kernel.org/netdev/net/c/fa6e24963342

You are awesome, thank you!
-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html
lmpx.com only provides a reader for public news (NNTP) servers. It is not affiliated with the servers or forums shown here and is not responsible for the content of articles, which is written by their respective authors.