From mboxrd@z Thu Jan 1 00:00:00 1970 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 60B2D214A93; Mon, 13 Jan 2025 18:36:14 +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=1736793374; cv=none; b=OPFGQDTE07tQZ1TBGFNLLnvqtuRtJSJ45I+Bh2YvabZKPw6B+A2KvLqbpVS+9skbEnG0ucd6VJrePKs28DjyWgM7kabwj/3EPjZOmEZve5BO4KJqhLca4KY4ujPdG+6h7uKkCgg9cQWcvw0k0fQa8u1c7RN8bbuX/bXGm8UfZB8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736793374; c=relaxed/simple; bh=3b48l85dvIUMxPN97cnDejNJMgKXH/p1dqq279eatcU=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=j0Y5eISP95Q3kZYIVT1qTmaIhLJF2vNtpA6bOqrQ26tw69CBfAPcnQ9H+HC+9KMLgCzqWeKWvd3IaaJYfRtMvQOeeDbkHajjjNnVxhL2kROJ8t9kTp0ab7ocOBz01dmGTxrfAUd/M2mD+VFGaKnl2OOaxW1iUlfeVZ7X2U30A6o= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Ai8U5LSD; 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="Ai8U5LSD" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 11C05C4CED6; Mon, 13 Jan 2025 18:36:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1736793374; bh=3b48l85dvIUMxPN97cnDejNJMgKXH/p1dqq279eatcU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Ai8U5LSDSUNV8443s7Hl3bphm5wzSqnbNIFfdglBx5BYF9CkY/+4Rs8HkG2mpuHty O+GWiUB2nU/i4Kd3olp3J8qC1Hw8QIiarkcfmIfeMUNtdEgOnoupcdXHXAmPYKiiLE WcgFi5l9aQdlXydyC5rUphNYuaALdrWmeLuyZIMrN7m954lcHQDOT1pV7JvX4/MeI/ s4EeM5m9ctRV7PEufjTWlsDi8sYS3sPeZiDZEs+KIO7y1/owW/6YdJ6v2WPKgD/xft eOODTc3aHmnINyAyxd9kpDbYwrXlp5d8Kn6DsqGyCHuG29+6lQ2rFXhBmiE8rHIh7t 7lXxuwM4ZBaFQ== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: David Howells , Masahiro Yamada , Marc Dionne , linux-afs@lists.infradead.org, linux-nfs@vger.kernel.org, Christian Brauner , Sasha Levin , ojeda@kernel.org, maennich@google.com Subject: [PATCH AUTOSEL 5.15 4/6] kheaders: Ignore silly-rename files Date: Mon, 13 Jan 2025 13:35:58 -0500 Message-Id: <20250113183601.1784402-4-sashal@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250113183601.1784402-1-sashal@kernel.org> References: <20250113183601.1784402-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 5.15.176 Content-Transfer-Encoding: 8bit From: David Howells [ Upstream commit 973b710b8821c3401ad7a25360c89e94b26884ac ] Tell tar to ignore silly-rename files (".__afs*" and ".nfs*") when building the header archive. These occur when a file that is open is unlinked locally, but hasn't yet been closed. Such files are visible to the user via the getdents() syscall and so programs may want to do things with them. During the kernel build, such files may be made during the processing of header files and the cleanup may get deferred by fput() which may result in tar seeing these files when it reads the directory, but they may have disappeared by the time it tries to open them, causing tar to fail with an error. Further, we don't want to include them in the tarball if they still exist. With CONFIG_HEADERS_INSTALL=y, something like the following may be seen: find: './kernel/.tmp_cpio_dir/include/dt-bindings/reset/.__afs2080': No such file or directory tar: ./include/linux/greybus/.__afs3C95: File removed before we read it The find warning doesn't seem to cause a problem. Fix this by telling tar when called from in gen_kheaders.sh to exclude such files. This only affects afs and nfs; cifs uses the Windows Hidden attribute to prevent the file from being seen. Signed-off-by: David Howells Link: https://lore.kernel.org/r/20241213135013.2964079-2-dhowells@redhat.com cc: Masahiro Yamada cc: Marc Dionne cc: linux-afs@lists.infradead.org cc: linux-nfs@vger.kernel.org cc: linux-kernel@vger.kernel.org Signed-off-by: Christian Brauner Signed-off-by: Sasha Levin --- kernel/gen_kheaders.sh | 1 + 1 file changed, 1 insertion(+) diff --git a/kernel/gen_kheaders.sh b/kernel/gen_kheaders.sh index c618e37ccea9..1b2b61ca8065 100755 --- a/kernel/gen_kheaders.sh +++ b/kernel/gen_kheaders.sh @@ -82,6 +82,7 @@ find $cpio_dir -type f -print0 | # Create archive and try to normalize metadata for reproducibility. tar "${KBUILD_BUILD_TIMESTAMP:+--mtime=$KBUILD_BUILD_TIMESTAMP}" \ + --exclude=".__afs*" --exclude=".nfs*" \ --owner=0 --group=0 --sort=name --numeric-owner --mode=u=rw,go=r,a+X \ -I $XZ -cf $tarfile -C $cpio_dir/ . > /dev/null -- 2.39.5