From nobody Fri Dec 19 20:12:25 2025 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 86AB21534F1; Wed, 13 Mar 2024 16:47:08 +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=1710348428; cv=none; b=as2FXuLY8PRTBjPZR4Ho8BZF3NZUHKYsotLUj4cDMYhRAMv8cyv3493AKD2EYkvLNLrXvfUoaFHzDIP57+OcOD7pyDMoAmtyCe0JWJjDaMliHP3TUA/FJ5H0f2cYOwIH5SfqfFNKH7ObIZkVXtVSlH9naTB7ZlYsfqnlK3Fv4C8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710348428; c=relaxed/simple; bh=67liw3T/StQ4cXBr9axLBR840ACqH5dgsHUqaBCJwWg=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=QiW5Dg7dEAd7HvT4LxXLFYBeeIw20EVa670UYsGbZRw7DqVarHwRSkYJnkz6BFPrEUSOPDcjgF6bDsvDXCN5KHKNJBP3oVow9s6K9U5usHpcRWH28WYiv8lzl/HreSKmbS1TXw29zZjMZf6LabmrymNlGwao+8YTSN00/6MTRdw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Q017PVcm; 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="Q017PVcm" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 596E3C433C7; Wed, 13 Mar 2024 16:47:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1710348428; bh=67liw3T/StQ4cXBr9axLBR840ACqH5dgsHUqaBCJwWg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Q017PVcmPg69PTTrybF/umNswuo/WlWcgIwCBhuHiQ/PdSzzea6vXsBUpQ2hS9RZU OMs8CKJatV3zExVs4UU0c0OzoDdNVo558onmZO1JYoacOhHIx44NsRHO8LCAdAD5Ai U9UMiV1zDGFCYLAmk9pfznR3yzvMEwriacleMMpzLBodzs+oXyC4VrbfrZO3FyAn5h PWYaejvBVFU1bBS+m8XkPLhCxQJEhdgVbnyMf0b35ct+p0qII90Rm8KOmEz+tBnGp5 ROXnxM8rMYx4eCS2MvhEUlA0JVGeSG3K8L4oGtbNm+mabS6q60uiciN5jx6siTgdY+ oaQzaKi1t2kxQ== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Jason Xing , Paolo Abeni , Sasha Levin Subject: [PATCH 5.10 23/73] netrom: Fix a data-race around sysctl_netrom_transport_acknowledge_delay Date: Wed, 13 Mar 2024 12:45:50 -0400 Message-ID: <20240313164640.616049-24-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240313164640.616049-1-sashal@kernel.org> References: <20240313164640.616049-1-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/v5.x/stable-review/patch-5.10.213-rc1.gz X-KernelTest-Tree: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git X-KernelTest-Branch: linux-5.10.y X-KernelTest-Patches: git://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git X-KernelTest-Version: 5.10.213-rc1 X-KernelTest-Deadline: 2024-03-15T16:46+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 678a7bbd84bf2..5a5cca18ae0c6 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