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Date: Wed, 17 Jan 2024 13:44:18 +0100
From: Pablo Neira Ayuso <pablo@netfilter.org>
To: Fedor Pchelkin <pchelkin@ispras.ru>
Cc: Simon Horman <horms@verge.net.au>, Julian Anastasov <ja@ssi.bg>,
	Jozsef Kadlecsik <kadlec@netfilter.org>,
	Florian Westphal <fw@strlen.de>,
	"David S. Miller" <davem@davemloft.net>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
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	lvs-devel@vger.kernel.org, netfilter-devel@vger.kernel.org,
	coreteam@netfilter.org, linux-kernel@vger.kernel.org,
	Alexey Khoroshilov <khoroshilov@ispras.ru>,
	lvc-project@linuxtesting.org
Subject: Re: [PATCH net] net: ipvs: avoid stat macros calls from preemptible
 context
Message-ID: <ZafLoqDyHxuah5Hi@calendula>
References: <20240115143923.31243-1-pchelkin@ispras.ru>
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In-Reply-To: <20240115143923.31243-1-pchelkin@ispras.ru>
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On Mon, Jan 15, 2024 at 05:39:22PM +0300, Fedor Pchelkin wrote:
> Inside decrement_ttl() upon discovering that the packet ttl has exceeded,
> __IP_INC_STATS and __IP6_INC_STATS macros can be called from preemptible
> context having the following backtrace:
> 
> check_preemption_disabled: 48 callbacks suppressed
> BUG: using __this_cpu_add() in preemptible [00000000] code: curl/1177
> caller is decrement_ttl+0x217/0x830

Applied to nf.git, thanks