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 <jlayton@xxxxxxxxxx>
---
fs/cifs/inode.c | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index 552d68b..515ccc1 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -1555,6 +1555,11 @@ int cifs_setattr(struct dentry *direntry, struct iattr *attrs)
}
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;
--
1.5.2.1
-
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