diff options
Diffstat (limited to 'ext4-make-sure-the-move_ext-ioctl-can-t-overwrite-append-only-files.patch')
| -rw-r--r-- | ext4-make-sure-the-move_ext-ioctl-can-t-overwrite-append-only-files.patch | 34 |
1 files changed, 0 insertions, 34 deletions
diff --git a/ext4-make-sure-the-move_ext-ioctl-can-t-overwrite-append-only-files.patch b/ext4-make-sure-the-move_ext-ioctl-can-t-overwrite-append-only-files.patch deleted file mode 100644 index 14407a5..0000000 --- a/ext4-make-sure-the-move_ext-ioctl-can-t-overwrite-append-only-files.patch +++ /dev/null @@ -1,34 +0,0 @@ -From 1f5a81e41f8b1a782c68d3843e9ec1bfaadf7d72 Mon Sep 17 00:00:00 2001 -From: Theodore Ts'o <tytso@mit.edu> -Date: Wed, 2 Jun 2010 22:04:39 -0400 -Subject: ext4: Make sure the MOVE_EXT ioctl can't overwrite append-only files - -From: Theodore Ts'o <tytso@mit.edu> - -commit 1f5a81e41f8b1a782c68d3843e9ec1bfaadf7d72 upstream. - -Dan Roseberg has reported a problem with the MOVE_EXT ioctl. If the -donor file is an append-only file, we should not allow the operation -to proceed, lest we end up overwriting the contents of an append-only -file. - -Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> -Cc: Dan Rosenberg <dan.j.rosenberg@gmail.com> -Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> - ---- - fs/ext4/move_extent.c | 3 +++ - 1 file changed, 3 insertions(+) - ---- a/fs/ext4/move_extent.c -+++ b/fs/ext4/move_extent.c -@@ -959,6 +959,9 @@ mext_check_arguments(struct inode *orig_ - return -EINVAL; - } - -+ if (IS_IMMUTABLE(donor_inode) || IS_APPEND(donor_inode)) -+ return -EPERM; -+ - /* Ext4 move extent does not support swapfile */ - if (IS_SWAPFILE(orig_inode) || IS_SWAPFILE(donor_inode)) { - ext4_debug("ext4 move extent: The argument files should " |