From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1792838335; b=ogBtLBpMkX1iU1jrNC2ISCCU2F1LQpthnQ+vRO7ZfGo2Gq/u1miQrV8xqSGmxZ70ALsQ LPQxGGrgk9jaEYHC10lLgOJ5lAfk6KQkzoPd52buUAZUMyGWfdq9AEMXIxNMRVksPSSlo 9pEzh80KyiBNDOxbnlUDMoii9iZ0cWbtrTfdb4r4WGKvYgPqE6y6Ny1JASW8em2E/QFxm 63IPfsTT3JwNCX7uqAKlkMVSE5YRv+2JfXjx27LtsjsboUvKO2J/hccICgJHvKyovWbsU Y1CN6yW0xMMhY0O7Lb6ct04o0CWQJ7+2BJej/AvT9noYv9OTAlGn2UqOY9zLW0Ertmg== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1792838335; h=Received:DKIM-Signature:From:Date:Subject:MIME-Version:Content-Type: Content-Transfer-Encoding:Message-Id:References:In-Reply-To:To:Cc: X-Mailer:X-Developer-Signature:X-Developer-Key; bh=obbBsg8M7cjyeL0jui4mdzYuykuYamVHb+dGvBctifs=; b=naC7oaEQSS2JD5gbt3QP06zxfDm4SWxoYJrsEkUWMsZ2vpzIubMFqu51Poe3/BQyjNge pVMs0fgd4kTyLMHSKFsqr7m3qR99emvCYaG3JsFK43Di84/CN6P2DdIat8MvQYvJsgp9O uhNLSTHxRK2JekUfwsAnBad5O1NMN+3KMIkCOrLAJwfX5Wuf2A9k2CClQeYTrVZitrW7x uAVJbE5aW7kKwtx2se6u3GykCb0lalAv+fXpuFbjCxFjOHPVVyGd+8NgKpkmIRAwksfNj 450FZUrSTAE0fVxgz6mAxKcj8bLa7MpXG1NGJhNNd6ewJWy/yTzTnQNeZdnSsrEIpiw== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=G4ySOftq; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C51D7606A32C; Sat, 24 Oct 2026 10:38:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=G4ySOftq Received: by smtp.kernel.org (Postfix) with ESMTPSA id AD5821F031E0; Sat, 24 Oct 2026 10:38:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1792838334; bh=obbBsg8M7cjyeL0jui4mdzYuykuYamVHb+dGvBctifs=; h=From:Date:Subject:References:In-Reply-To:To:Cc; b=G4ySOftqpWJgO35rq/YhRfyTCLcOgtZaamjwQge+LsmLbT+ZPVgVa81RhTlJdy1BR FF99AtwUoastb4SijORjAIBvcSt1bfDRqZ8ocOZTjr/jlN3Rms97W046ncXv7gF4S8 8JfzuSU7NP47mMP1/CS7BIKdFGHSN4vMNyVmYJyfM33lHWA6tUuEkRscsiWYRSYbXR B0uDFuYsivsGMZM6ix2ExMtQcqWuz4/BHMeDrITNuhEhcW09nkldQhBwsertVlUcrE +h7iQi2bWYdNcThT4vCLmbLRBxfTOP/XgKrnw1inFwpD3yBgCz6fto6qtMmTUS0WNB 4OqKZrl3z5e5g== From: Christian Brauner Date: Sat, 24 Oct 2026 12:38:31 +0200 Subject: [PATCH 5/7] nfs: create the /proc/fs/nfsfs links with proc_self_symlink() X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20261024-work-procfs-fixes-v1-5-46b03c3a8fac@kernel.org> References: <20261024-work-procfs-fixes-v1-0-46b03c3a8fac@kernel.org> In-Reply-To: <20261024-work-procfs-fixes-v1-0-46b03c3a8fac@kernel.org> To: linux-fsdevel@vger.kernel.org Cc: linux-afs@lists.infradead.org, linux-nfs@vger.kernel.org, Alexander Viro , Jan Kara , Aleksa Sarai , Chris Mason , "Christian Brauner (Amutable)" X-Mailer: b4 0.17-dev-ce4c1 X-Developer-Signature: v=1; a=openpgp-sha256; l=1035; i=brauner@kernel.org; h=from:subject:message-id; bh=dTAGUjYXMrITdwfSsOq8T68J+z1OiJPsf8fIDAIiU0I=; b=owGbwMvMwCU28Zj0gdSKO4sYT6slMWTd6VrPq3Fwc0i3v6LD2v4FPOp/tFNr3HaaFE1Vkj5r7 il4/97kjlIWBjEuBlkxRRaHdpNwueU8FZuNMjVg5rAygQxh4OIUgIm49TD8d5P1e/oyfu7li8E/ r5Wvs9PdNkt3D2/Kkhxu7uSE6IurchgZ1my4/pObbSuf6nMWmaccpzq/vai6+2yym8PL7M5987j TGAE= X-Developer-Key: i=brauner@kernel.org; a=openpgp; fpr=4880B8C9BD0E5106FC070F4F7B3C391EFEA93624 /proc/fs/nfsfs/servers and /proc/fs/nfsfs/volumes resolve through /proc/net into /proc/self/net. Create them with proc_self_symlink() so nothing can be mounted on the links themselves. Signed-off-by: Christian Brauner (Amutable) --- fs/nfs/client.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/fs/nfs/client.c b/fs/nfs/client.c index 60386330aeec..97e363ac7a3e 100644 --- a/fs/nfs/client.c +++ b/fs/nfs/client.c @@ -1528,11 +1528,11 @@ int __init nfs_fs_proc_init(void) goto error_0; /* a file of servers with which we're dealing */ - if (!proc_symlink("fs/nfsfs/servers", NULL, "../../net/nfsfs/servers")) + if (!proc_self_symlink("fs/nfsfs/servers", NULL, "../../net/nfsfs/servers")) goto error_1; /* a file of volumes that we have mounted */ - if (!proc_symlink("fs/nfsfs/volumes", NULL, "../../net/nfsfs/volumes")) + if (!proc_self_symlink("fs/nfsfs/volumes", NULL, "../../net/nfsfs/volumes")) goto error_1; return 0; -- 2.53.0