From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 8482F562600; Wed, 9 Sep 2026 14:08:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788962898; cv=none; b=lRcXJjAtlsM7pKhRIctNgi1n+3jW2cxM15wlr75vhLm+ENbeB5C73y964McLnJDQ/0QmZTXj0/gon6hdokgcNfxB9w2AT/CyGoEYqwHWg4nHLpQVeoSP0PheCAncYUKudscUJFeofjv0Cqx3sa/32aGP1vP3l8f9irqWAwEDWB0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788962898; c=relaxed/simple; bh=pT183lMGRXq9V5yhiVhqJsZr/eyXs4WwsDgPIEIY4Vw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=f0bdq1a6dL+p2qDVY2FLyVgz/zG5BznSSQDT41BJkCNh+nZQQwBrmx63UgEMGfeVff4Qj1gEI/zSP0Ar+Nf7vU7HAcculTKg2vylMcdVoMKigNlwUiKigaOshc9WBjo7NK+iV1ZJUNSSdKJc1W8d+H35rSkzVQd03/i3495BodM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=SycJIloL; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="SycJIloL" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 945441F00A3A; Wed, 9 Sep 2026 14:08:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1788962897; bh=/+/ncy2xSMfAWynsU0kAIcNtVmFg106k2bZwzA2miHc=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=SycJIloL6ZQSM/PCe/etkH32EOEgQARsy3kB5015E6XrJjgELQQrTTa3zMERUgCJ6 zjlyCxmqJ7CLZYY6od5jin0TCvC8TJOJCCnMmDR8+nDb6Amyf5LeXsZQ81X3rkbcza NWIpNrcfGQWv0Otc2HVARqZvYbqkSJ9Gs4dsl9BQ= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, stable@kernel.org, Chao Yu , Jaegeuk Kim Subject: [PATCH 7.2 449/556] f2fs: fix to avoid move_range and defragment on device_alias file Date: Wed, 9 Sep 2026 15:42:09 +0200 Message-ID: <20260909134246.382854692@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260909134230.441546314@linuxfoundation.org> References: <20260909134230.441546314@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 7.2-stable review patch. If anyone has any objections, please let me know. ------------------ From: Chao Yu commit 1b4db09b7f10895dc1a0bc32704c7de05188fb1d upstream. It's forbidden to migrate blocks of device alias file. Cc: stable@kernel.org Fixes: 128d333f0dff ("f2fs: introduce device aliasing file") Signed-off-by: Chao Yu Signed-off-by: Jaegeuk Kim Signed-off-by: Greg Kroah-Hartman --- fs/f2fs/file.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -3083,6 +3083,9 @@ static int f2fs_ioc_defragment(struct fi if (f2fs_readonly(sbi->sb)) return -EROFS; + if (IS_DEVICE_ALIASING(inode)) + return -EOPNOTSUPP; + if (copy_from_user(&range, (struct f2fs_defragment __user *)arg, sizeof(range))) return -EFAULT; @@ -3135,7 +3138,8 @@ static int f2fs_move_file_range(struct f if (!S_ISREG(src->i_mode) || !S_ISREG(dst->i_mode)) return -EINVAL; - if (IS_ENCRYPTED(src) || IS_ENCRYPTED(dst)) + if (IS_ENCRYPTED(src) || IS_ENCRYPTED(dst) || + IS_DEVICE_ALIASING(src) || IS_DEVICE_ALIASING(dst)) return -EOPNOTSUPP; if (pos_out < 0 || pos_in < 0)