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 6AC7F33345A for ; Wed, 20 May 2026 11:16:30 +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=1779275792; cv=none; b=N7ELoiAYHpIgUOc7lZc3MKD/6t9A9e8O6iV64TS79CBdxeYGipyYQglFXQAUDZM3kPYiaOIXK3Qde0Gy0aV8uwo3e0EN53iFrcumv515UAaKP4IQZOfDmUkv0yXVx/mStxitvOzrKGrzpkiQckPnMNw2ABRvJn9IJwrGsnyMj6w= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779275792; c=relaxed/simple; bh=RWJgZ+WZR1MAlh3WD0LwNrT+09RGxXxl3lI40TgwZVM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=NPOi3O7421finxQkkRsbcSNlcCtCjuWRANMvPb9Gbl7DudfH7jFe00LV+yGWFOgQoEdmcs39tzZkVYr8e3/LU0LXfa3DvCQ89cfFlN9315joAdtahrNK35B3uA1YKd5kB+3CltFQFgSlam/hICjmio2w6fCet6VaOK1yHZItk6Y= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=jtfs+Nw7; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="jtfs+Nw7" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 93D611F000E9; Wed, 20 May 2026 11:16:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1779275789; bh=5lwf91DO0miebZkfAtwk5cwraiQ7wkM7sBIV6wUYGXk=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=jtfs+Nw7xn5+FQ7IfQ73ZspFqRoRdBFEN4N4PH+ENa02TkLCnrhFTG/i9PxrkpEU9 w0ubfi8cc2WuK+IgHW757WXMd7e6Cfdl48Rc0gN2GmTdurSQpuB/FTGWSnmW5NgNTu H3DScJ6Y0YQKUErxFpcmTrlxoaVI/e9WFuoAiP2nTJ1rF7vNJpT1AzImq1ZN+p9Wqg s+yr2f6yQbUeVpcT7Bnem5dXyjvv369D1KgyL27imq0iVUkjf0qasS/XQaOXnhz7mK fERq3HhFzYtLL89bJ+VhMRJ/5eRHcturGStC00224tjN3kpXIj+/I+K4caXaFyM206 2JYqopB/2/6zQ== From: Sasha Levin To: stable@vger.kernel.org Cc: Yongpeng Yang , stable@kernel.org, Chao Yu , Jaegeuk Kim , Sasha Levin Subject: [PATCH 6.1.y] f2fs: fix incorrect file address mapping when inline inode is unwritten Date: Wed, 20 May 2026 07:16:27 -0400 Message-ID: <20260520111627.3416675-1-sashal@kernel.org> X-Mailer: git-send-email 2.53.0 In-Reply-To: <2026051215-lily-agonizing-1681@gregkh> References: <2026051215-lily-agonizing-1681@gregkh> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Yongpeng Yang [ Upstream commit 68a0178981a0f493295afa29f8880246e561494c ] When `fileinfo->fi_flags` does not have the `FIEMAP_FLAG_SYNC` bit set and inline data has not been persisted yet, the physical address of the extent is calculated incorrectly for unwritten inline inodes. root@vm:/mnt/f2fs# dd if=/dev/zero of=data.3k bs=3k count=1 root@vm:/mnt/f2fs# f2fs_io fiemap 0 100 data.3k Fiemap: offset = 0 len = 100 logical addr. physical addr. length flags 0 0000000000000000 00000ffffffff16c 0000000000000c00 00000301 This patch fixes the issue by checking if the inode's address is valid. If the inline inode is unwritten, set the physical address to 0 and mark the extent with `FIEMAP_EXTENT_UNKNOWN | FIEMAP_EXTENT_DELALLOC` flags. Cc: stable@kernel.org Fixes: 67f8cf3cee6f ("f2fs: support fiemap for inline_data") Signed-off-by: Yongpeng Yang Reviewed-by: Chao Yu Signed-off-by: Jaegeuk Kim [ renamed `ifolio` to `ipage` in `inline_data_addr()` and `F2FS_INODE()` calls ] Signed-off-by: Sasha Levin --- fs/f2fs/inline.c | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) diff --git a/fs/f2fs/inline.c b/fs/f2fs/inline.c index 33f54e5fd780c..8e09832a0e692 100644 --- a/fs/f2fs/inline.c +++ b/fs/f2fs/inline.c @@ -774,7 +774,7 @@ int f2fs_read_inline_dir(struct file *file, struct dir_context *ctx, int f2fs_inline_data_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, __u64 start, __u64 len) { - __u64 byteaddr, ilen; + __u64 byteaddr = 0, ilen; __u32 flags = FIEMAP_EXTENT_DATA_INLINE | FIEMAP_EXTENT_NOT_ALIGNED | FIEMAP_EXTENT_LAST; struct node_info ni; @@ -807,9 +807,14 @@ int f2fs_inline_data_fiemap(struct inode *inode, if (err) goto out; - byteaddr = (__u64)ni.blk_addr << inode->i_sb->s_blocksize_bits; - byteaddr += (char *)inline_data_addr(inode, ipage) - - (char *)F2FS_INODE(ipage); + if (__is_valid_data_blkaddr(ni.blk_addr)) { + byteaddr = (__u64)ni.blk_addr << inode->i_sb->s_blocksize_bits; + byteaddr += (char *)inline_data_addr(inode, ipage) - + (char *)F2FS_INODE(ipage); + } else { + f2fs_bug_on(F2FS_I_SB(inode), ni.blk_addr != NEW_ADDR); + flags |= FIEMAP_EXTENT_DELALLOC | FIEMAP_EXTENT_UNKNOWN; + } err = fiemap_fill_next_extent(fieinfo, start, byteaddr, ilen, flags); trace_f2fs_fiemap(inode, start, byteaddr, ilen, flags, err); out: -- 2.53.0