From nobody Mon Feb 9 01:44:50 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 4AF4460260; Wed, 13 Mar 2024 16:38:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710347882; cv=none; b=OG5dxW163G6jEcIkrV8vmHOCCDItd5GyL3zBoLUPYdkQRCU4+ReZfE9rYqFhKMYTLGRgiIF1lVOwVnCK0rj4NkO/maB92mnV3L3M3JyH+ty3DAWKjJ4fuvtLFjr2UJZBp/UtroAU2QQN4/rB3A8xh/yLuR1EsTRqS/UzuSvZNe0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710347882; c=relaxed/simple; bh=fLQHb5qGqiXhLR8cviwdurGweM6rBgE/X+d140bFl1g=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=B/R2v+Em8E5/ahDSz24kFNymStH8bzHz6vb7OPSxCBy36hdCYqi+u9lu91x0INqLetD+YAAzoC2HiG1Rnj8qvXfU/nWfdhJVgT4Xaqc/B+FSkTK1EqVTceEOt28KZ6wNoOkP0xn3An+UkuInpRrA0OEdQo9kl69hTX+U5W2EBgU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=DrwptALM; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="DrwptALM" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6D779C433F1; Wed, 13 Mar 2024 16:38:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1710347882; bh=fLQHb5qGqiXhLR8cviwdurGweM6rBgE/X+d140bFl1g=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=DrwptALM4OwvVlgGXNOHUCr9k2VabV3jDTTpKx+ZWmqVank/tWxcNY+qknUOyC0Zb ueTiQ43bNKw3YGKjTda/xnhHkAsruITqUx8dBdNcy/BvwlHJvslax41xfBO4nEsu3D madM+6ftweNDANoMBwJtmry+Yv56jW1wy0JhJamvdNhwlHjox7J+qpXAns6BB19SHu m7exlIkuRpp0CnVGww901AmfDL9B/Bqbk/WfyOQUy2335so/6rutHZ7tFcqTZjWo6O XoRH4puNalcrpSp4qn2829wT3JihOv3/kd0/Gbgk5fUT3zHQi9x76ADG5xwGajYuLy p3H5E4lJFIhsA== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Jason Xing , Paolo Abeni , Sasha Levin Subject: [PATCH 6.6 43/60] netrom: Fix a data-race around sysctl_netrom_transport_acknowledge_delay Date: Wed, 13 Mar 2024 12:36:50 -0400 Message-ID: <20240313163707.615000-44-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240313163707.615000-1-sashal@kernel.org> References: <20240313163707.615000-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-KernelTest-Patch: http://kernel.org/pub/linux/kernel/v6.x/stable-review/patch-6.6.22-rc1.gz X-KernelTest-Tree: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git X-KernelTest-Branch: linux-6.6.y X-KernelTest-Patches: git://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git X-KernelTest-Version: 6.6.22-rc1 X-KernelTest-Deadline: 2024-03-15T16:36+00:00 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Jason Xing [ Upstream commit 806f462ba9029d41aadf8ec93f2f99c5305deada ] We need to protect the reader reading the sysctl value because the value can be changed concurrently. Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Signed-off-by: Jason Xing Signed-off-by: Paolo Abeni Signed-off-by: Sasha Levin --- net/netrom/af_netrom.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c index a3b02f090bba2..474044072baf9 100644 --- a/net/netrom/af_netrom.c +++ b/net/netrom/af_netrom.c @@ -455,7 +455,7 @@ static int nr_create(struct net *net, struct socket *so= ck, int protocol, nr->t1 =3D msecs_to_jiffies(READ_ONCE(sysctl_netrom_transport_timeout)); nr->t2 =3D - msecs_to_jiffies(sysctl_netrom_transport_acknowledge_delay); + msecs_to_jiffies(READ_ONCE(sysctl_netrom_transport_acknowledge_delay)); nr->n2 =3D msecs_to_jiffies(READ_ONCE(sysctl_netrom_transport_maximum_tries)); nr->t4 =3D --=20 2.43.0