From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from stravinsky.debian.org (stravinsky.debian.org [82.195.75.108]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1B7A73905F0; Fri, 28 Aug 2026 09:33:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=82.195.75.108 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787909591; cv=none; b=fe21VfLeVC3KGvVPz3LiHdp1yLUb9MxEZkxdgosR+iXpf4oDMRqaYEUUXV5MGF62pvR67OY7l4wNY5grV1K4bg+QACdxdN0cBFZbkE8bWEUZizwnum4AK9EyE6vcKlYFyMerigeMWASNrrOQH/f4Ibgo3GUtTJeGJRkdkUhwTbc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787909591; c=relaxed/simple; bh=gFGESkEnaYY6xmTzY8wle3SNahbizO9UAow6Oloksrg=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=cilhajQ2+8IfUUwUrq8cGNx9rgzQXBztrjOjgKGDQWICTrpRo9sqF3yLyYNrGVldvSbVKmiZCue/tAz1EmcSPtZqnVUaTBZ2nAFh7q8RA8bWoPozCIIfxTzIbQLvRvtRUwNkZAQ7lh8WF8FpMYa2WvjMxgIBDhn7EZRyOE6MB4Y= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=debian.org; spf=pass smtp.mailfrom=debian.org; dkim=pass (2048-bit key) header.d=debian.org header.i=@debian.org header.b=SVnjDUpz; arc=none smtp.client-ip=82.195.75.108 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=debian.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=debian.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=debian.org header.i=@debian.org header.b="SVnjDUpz" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=debian.org; s=smtpauto.stravinsky; h=X-Debian-User:In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=6UJWbhtuWI0OcYV8DoACzNDsaVGPnMK9sBA1/f6ey/M=; b=SVnjDUpzFczRCwN6Z0P0ywFRqy 2SdxrvFcxickFaj8pE3LuY/7HJWy0cTvF9IXAyD8LHSlQLm1jfU7oi2GzHgIQaOqCgTuuoSfZKcjz RFPEAtu3UmGwAS8ieseE44ecCZEKaZUemsj24ea6e8gai+zkr+o1Ut21ZoZD+4FL1ykiLPXTwe2OD iLzcihXaoXe5PNnmL1PK5od9W8jyWPHZddppGJU8swLPv1JLhLvfCHXRq4iXpeaMUCC12eL6UyeDL Yr16JrhDvzRNBySXXodm+UOn7k3XB0GgD0JlzgPJGy25SDh1T+cA1xBlAAn2DJpKEgKUzayCxZOFc T9t5IbRA==; Received: from authenticated-user by stravinsky.debian.org with esmtpsa (TLS1.3:ECDHE_X25519__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim 4.96) (envelope-from ) id 1wzsxD-00Gg0A-2O; Fri, 28 Aug 2026 09:32:55 +0000 Date: Fri, 28 Aug 2026 02:32:50 -0700 From: Breno Leitao To: Denis Arefev Cc: stable@vger.kernel.org, Greg Kroah-Hartman , Wensong Zhang , Simon Horman , Julian Anastasov , Pablo Neira Ayuso , Jozsef Kadlecsik , Florian Westphal , "David S. Miller" , Jakub Kicinski , Dwip Banerjee , netdev@vger.kernel.org, lvs-devel@vger.kernel.org, netfilter-devel@vger.kernel.org, coreteam@netfilter.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 5.10/6.1] ipvs: reload ip header after head reallocation Message-ID: References: <20260828085522.31015-1-arefev@swemel.ru> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260828085522.31015-1-arefev@swemel.ru> X-Debian-User: leitao On Fri, Aug 28, 2026 at 11:55:21AM +0300, Denis Arefev wrote: > From: Florian Westphal > > commit a2f57827bf7c695b8c72dc4511cae8e86582369d upstream. > > __ip_vs_get_out_rt() calls skb_ensure_writable() which may > reallocate skb->head. > > Fixes: 8d8e20e2d7bb ("ipvs: Decrement ttl") > Cc: stable@vger.kernel.org > Assisted-by: Claude:claude-sonnet-4-6 > Acked-by: Julian Anastasov > Signed-off-by: Florian Westphal > [Denis Arefev: adapted for 5.10/6.1: keep EnterFunction/LeaveFunction > instrumentation] yea, the backport seems fine and match commit a2f57827bf7c69 ("ipvs: reload ip header after head reallocation") > Signed-off-by: Denis Arefev Reviewed-by: Breno Leitao