linux-kernel - Re: [PATCH net] net: hsr: remove WARN_ONCE() in send_hsr_supervision

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Date: Mon, 29 Jan 2024 11:30:26 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Nikita Zhandarovich <n.zhandarovich@...tech.ru>
Cc: davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
 pabeni@...hat.com, r-gunasekaran@...com, horms@...nel.org,
 wojciech.drewek@...el.com, m-karicheri2@...com, netdev@...r.kernel.org,
 linux-kernel@...r.kernel.org, lvc-project@...uxtesting.org,
 syzbot+3ae0a3f42c84074b7c8e@...kaller.appspotmail.com
Subject: Re: [PATCH net] net: hsr: remove WARN_ONCE() in
 send_hsr_supervision_frame()

Hello:

This patch was applied to netdev/net.git (main)
by David S. Miller <davem@...emloft.net>:

On Wed, 24 Jan 2024 02:21:47 -0800 you wrote:
> Syzkaller reported [1] hitting a warning after failing to allocate
> resources for skb in hsr_init_skb(). Since a WARN_ONCE() call will
> not help much in this case, it might be prudent to switch to
> netdev_warn_once(). At the very least it will suppress syzkaller
> reports such as [1].
> 
> Just in case, use netdev_warn_once() in send_prp_supervision_frame()
> for similar reasons.
> 
> [...]

Here is the summary with links:
  - [net] net: hsr: remove WARN_ONCE() in send_hsr_supervision_frame()
    https://git.kernel.org/netdev/net/c/37e8c97e5390

You are awesome, thank you!
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