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From: Steffen Klassert <steffen.klassert@secunet.com>
To: Sabrina Dubroca <sd@queasysnail.net>
Cc: <netdev@vger.kernel.org>, Herbert Xu <herbert@gondor.apana.org.au>
Subject: Re: [PATCH ipsec] xfrm: ipcomp: fix truesize computation on receive
Date: Mon, 5 May 2025 09:21:31 +0200	[thread overview]
Message-ID: <aBhm++T65k7Tqaff@gauss3.secunet.de> (raw)
In-Reply-To: <f507d25958589ed4e6f62cdc4b8df64865865818.1745591479.git.sd@queasysnail.net>

On Fri, Apr 25, 2025 at 04:32:55PM +0200, Sabrina Dubroca wrote:
> ipcomp_post_acomp currently drops all frags (via pskb_trim_unique(skb,
> 0)), and then subtracts the old skb->data_len from truesize. This
> adjustment has already be done during trimming (in skb_condense), so
> we don't need to do it again.
> 
> This shows up for example when running fragmented traffic over ipcomp,
> we end up hitting the WARN_ON_ONCE in skb_try_coalesce.
> 
> Fixes: eb2953d26971 ("xfrm: ipcomp: Use crypto_acomp interface")
> Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>

Patch applied, thanks Sabrina!

      parent reply	other threads:[~2025-05-05  7:31 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-04-25 14:32 [PATCH ipsec] xfrm: ipcomp: fix truesize computation on receive Sabrina Dubroca
2025-04-26  1:53 ` Herbert Xu
2025-05-05  7:21 ` Steffen Klassert [this message]

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