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Date:   Sat, 05 Feb 2022 04:30:09 +0000
To:     Eric Dumazet <>
Subject: Re: [PATCH net] tcp: take care of mixed splice()/sendmsg(MSG_ZEROCOPY)


This patch was applied to netdev/net.git (master)
by Jakub Kicinski <>:

On Thu,  3 Feb 2022 14:55:47 -0800 you wrote:
> From: Eric Dumazet <>
> syzbot found that mixing sendpage() and sendmsg(MSG_ZEROCOPY)
> calls over the same TCP socket would again trigger the
> infamous warning in inet_sock_destruct()
> 	WARN_ON(sk_forward_alloc_get(sk));
> [...]

Here is the summary with links:
  - [net] tcp: take care of mixed splice()/sendmsg(MSG_ZEROCOPY) case

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