The patch titled
CIFS: ignore mode change if it's just for clearing setuid/setgid bits
has been added to the -mm tree. Its filename is
cifs-ignore-mode-change-if-its-just-for-clearing-setuid-setgid-bits.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: CIFS: ignore mode change if it's just for clearing setuid/setgid bits
From: Jeff Layton <[EMAIL PROTECTED]>
If the ATTR_KILL_S*ID bits are set then any mode change is only for clearing
the setuid/setgid bits. For CIFS, skip the mode change and let the server
handle it.
Signed-off-by: Jeff Layton <[EMAIL PROTECTED]>
Cc: Steven French <[EMAIL PROTECTED]>
Cc: Christoph Hellwig <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
---
fs/cifs/inode.c | 5 +++++
1 file changed, 5 insertions(+)
diff -puN
fs/cifs/inode.c~cifs-ignore-mode-change-if-its-just-for-clearing-setuid-setgid-bits
fs/cifs/inode.c
---
a/fs/cifs/inode.c~cifs-ignore-mode-change-if-its-just-for-clearing-setuid-setgid-bits
+++ a/fs/cifs/inode.c
@@ -1555,6 +1555,11 @@ int cifs_setattr(struct dentry *direntry
}
time_buf.Attributes = 0;
+
+ /* skip mode change if it's just for clearing setuid/setgid */
+ if (attrs->ia_valid & (ATTR_KILL_SUID|ATTR_KILL_SGID))
+ attrs->ia_valid &= ~ATTR_MODE;
+
if (attrs->ia_valid & ATTR_MODE) {
cFYI(1, ("Mode changed to 0x%x", attrs->ia_mode));
mode = attrs->ia_mode;
_
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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