linux-kernel - Re: [PATCH] net: Fix the gso BUG_ON that treat the skb which head_frag is true as non head

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Date: Thu, 16 May 2024 13:59:45 -0400
From: Willem de Bruijn <willemdebruijn.kernel@...il.com>
To: dracoding <dracodingfly@...il.com>, 
 davem@...emloft.net, 
 kuba@...nel.org, 
 ast@...nel.org, 
 daniel@...earbox.net, 
 andrii@...nel.org, 
 kafai@...com, 
 songliubraving@...com, 
 yhs@...com, 
 john.fastabend@...il.com, 
 kpsingh@...nel.org
Cc: netdev@...r.kernel.org, 
 linux-kernel@...r.kernel.org, 
 bpf@...r.kernel.org, 
 Fred Li <dracodingfly@...il.com>
Subject: Re: [PATCH] net: Fix the gso BUG_ON that treat the skb which
 head_frag is true as non head_frag

dracoding wrote:
> From: Fred Li <dracodingfly@...il.com>
> 
> The crashed kernel version is 5.16.20, and I have not test this patch
> because I dont find a way to reproduce it, and the mailine may be
> has the same problem.

That is a pretty old kernel.

There has been work in this space in the meantime. Such as commit
3dcbdb134f32 ("net: gso: Fix skb_segment splat when splitting gso_size
mangled skb having linear-headed frag_list") or commit 9e4b7a99a03a
("net: gso: fix panic on frag_list with mixed head alloc types").