Re: [PATCH net v4] mptcp: fix soft lockup in mptcp_recvmsg()

From: patchwork-bot+netdevbpf

Date: Tue Mar 31 2026 - 22:10:32 EST


Hello:

This patch was applied to netdev/net.git (main)
by Jakub Kicinski <kuba@xxxxxxxxxx>:

On Mon, 30 Mar 2026 20:03:35 +0800 you wrote:
> syzbot reported a soft lockup in mptcp_recvmsg() [0].
>
> When receiving data with MSG_PEEK | MSG_WAITALL flags, the skb is not
> removed from the sk_receive_queue. This causes sk_wait_data() to always
> find available data and never perform actual waiting, leading to a soft
> lockup.
>
> [...]

Here is the summary with links:
- [net,v4] mptcp: fix soft lockup in mptcp_recvmsg()
https://git.kernel.org/netdev/net/c/5dd8025a49c2

You are awesome, thank you!
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