Hi Stefan,
> Make sure the the extra_isize field (offset 128) is initialized to 0
^^^ that ?
> to mark any extra data as invalid.
>
> Signed-off-by: Stefan Brüns <stefan.bru...@rwth-aachen.de>
> ---
> fs/ext4/ext4_write.c | 12 +++++-------
> 1 file changed, 5 insertions(+), 7 deletions(-)
>
> v3: Patch added to series
>
> diff --git a/fs/ext4/ext4_write.c b/fs/ext4/ext4_write.c
> index 81a750b..38fbf68 100644
> --- a/fs/ext4/ext4_write.c
> +++ b/fs/ext4/ext4_write.c
> @@ -454,7 +454,7 @@ static int ext4fs_delete_file(int inodeno)
> node_inode->data = ext4fs_root;
> node_inode->ino = inodeno;
> node_inode->inode_read = 0;
> - memcpy(&(node_inode->inode), &inode, sizeof(struct
> ext2_inode));
> + memcpy(&(node_inode->inode), &inode, fs->inodesz);
>
> for (i = 0; i < no_blocks; i++) {
> blknr =
> read_allocated_block(&(node_inode->inode), i); @@ -560,7 +560,7 @@
> static int ext4fs_delete_file(int inodeno)
> read_buffer = read_buffer + blkoff;
> inode_buffer = (struct ext2_inode *)read_buffer;
> - memset(inode_buffer, '\0', sizeof(struct ext2_inode));
> + memset(inode_buffer, '\0', fs->inodesz);
>
> /* write the inode to original position in inode table */
> if (ext4fs_put_metadata(start_block_address, blkno))
> @@ -866,7 +866,7 @@ int ext4fs_write(const char *fname, unsigned char
> *buffer, ALLOC_CACHE_ALIGN_BUFFER(char, filename, 256);
> memset(filename, 0x00, 256);
>
> - g_parent_inode = zalloc(sizeof(struct ext2_inode));
> + g_parent_inode = zalloc(fs->inodesz);
> if (!g_parent_inode)
> goto fail;
>
> @@ -969,8 +969,7 @@ int ext4fs_write(const char *fname, unsigned char
> *buffer, if (ext4fs_log_journal(temp_ptr, parent_itable_blkno))
> goto fail;
>
> - memcpy(temp_ptr + blkoff, g_parent_inode,
> - sizeof(struct ext2_inode));
> + memcpy(temp_ptr + blkoff, g_parent_inode,
> fs->inodesz); if (ext4fs_put_metadata(temp_ptr, parent_itable_blkno))
> goto fail;
> } else {
> @@ -978,8 +977,7 @@ int ext4fs_write(const char *fname, unsigned char
> *buffer,
> * If parent and child fall in same inode table block
> * both should be kept in 1 buffer
> */
> - memcpy(temp_ptr + blkoff, g_parent_inode,
> - sizeof(struct ext2_inode));
> + memcpy(temp_ptr + blkoff, g_parent_inode,
> fs->inodesz); gd_index--;
> if (ext4fs_put_metadata(temp_ptr, itable_blkno))
> goto fail;
Reviewed-by: Lukasz Majewski <l.majew...@samsung.com>
--
Best regards,
Lukasz Majewski
Samsung R&D Institute Poland (SRPOL) | Linux Platform Group
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