The patch titled
ecryptfs: allow lower fs to interpret ATTR_KILL_S*ID
has been added to the -mm tree. Its filename is
ecryptfs-allow-lower-fs-to-interpret-attr_kill_sid.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: ecryptfs: allow lower fs to interpret ATTR_KILL_S*ID
From: Jeff Layton <[EMAIL PROTECTED]>
Make sure ecryptfs doesn't trip the BUG() in notify_change. This also allows
the lower filesystem to interpret ATTR_KILL_S*ID in its own way.
Signed-off-by: Jeff Layton <[EMAIL PROTECTED]>
Cc: Michael Halcrow <[EMAIL PROTECTED]>
Cc: Christoph Hellwig <[EMAIL PROTECTED]>
Cc: Neil Brown <[EMAIL PROTECTED]>
Cc: "J. Bruce Fields" <[EMAIL PROTECTED]>
Cc: Chris Mason <[EMAIL PROTECTED]>
Cc: Jeff Mahoney <[EMAIL PROTECTED]>
Cc: "Vladimir V. Saveliev" <[EMAIL PROTECTED]>
Cc: Josef 'Jeff' Sipek <[EMAIL PROTECTED]>
Cc: Trond Myklebust <[EMAIL PROTECTED]>
Cc: Steven French <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
---
fs/ecryptfs/inode.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff -puN
fs/ecryptfs/inode.c~ecryptfs-allow-lower-fs-to-interpret-attr_kill_sid
fs/ecryptfs/inode.c
--- a/fs/ecryptfs/inode.c~ecryptfs-allow-lower-fs-to-interpret-attr_kill_sid
+++ a/fs/ecryptfs/inode.c
@@ -914,6 +914,14 @@ static int ecryptfs_setattr(struct dentr
if (rc < 0)
goto out;
}
+
+ /*
+ * mode change is for clearing setuid/setgid bits. Allow lower fs
+ * to interpret this in its own way.
+ */
+ if (ia->ia_valid & (ATTR_KILL_SUID | ATTR_KILL_SGID))
+ ia->ia_valid &= ~ATTR_MODE;
+
rc = notify_change(lower_dentry, ia);
out:
fsstack_copy_attr_all(inode, lower_inode);
_
Patches currently in -mm which might be from [EMAIL PROTECTED] are
git-cifs.patch
git-nfs.patch
ecryptfs-allow-lower-fs-to-interpret-attr_kill_sid.patch
knfsd-only-set-attr_kill_sid-if-attr_mode-isnt-being-explicitly-set.patch
reiserfs-turn-of-attr_kill_sid-at-beginning-of-reiserfs_setattr.patch
unionfs-fix-unionfs_setattr-to-handle-attr_kill_sid.patch
vfs-make-notify_change-pass-attr_kill_sid-to-setattr-operations.patch
nfs-if-attr_kill_sid-bits-are-set-then-skip-mode-change.patch
cifs-ignore-mode-change-if-its-just-for-clearing-setuid-setgid-bits.patch
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