if (iap->ia_valid & ATTR_MODE) {
iap->ia_mode &= S_IALLUGO;
imode = iap->ia_mode |= (imode & ~S_IALLUGO);
+ /* if changing uid/gid revoke setuid/setgid in mode */
+ if ((iap->ia_valid & ATTR_UID) && iap->ia_uid != inode->i_uid) {
+ iap->ia_valid |= ATTR_KILL_PRIV;
+ iap->ia_mode &= ~S_ISUID;
+ }
+ if ((iap->ia_valid & ATTR_GID) && iap->ia_gid != inode->i_gid)
+ iap->ia_mode &= ~S_ISGID;
+ } else {
+ /*
+ * Revoke setuid/setgid bit on chown/chgrp
+ */
+ if ((iap->ia_valid & ATTR_UID) && iap->ia_uid != inode->i_uid)
+ iap->ia_valid |= ATTR_KILL_SUID | ATTR_KILL_PRIV;
+ if ((iap->ia_valid & ATTR_GID) && iap->ia_gid != inode->i_gid)
+ iap->ia_valid |= ATTR_KILL_SGID;
}
- /* Revoke setuid/setgid bit on chown/chgrp */
- if ((iap->ia_valid & ATTR_UID) && iap->ia_uid != inode->i_uid)
- iap->ia_valid |= ATTR_KILL_SUID;
- if ((iap->ia_valid & ATTR_GID) && iap->ia_gid != inode->i_gid)
- iap->ia_valid |= ATTR_KILL_SGID;
-
/* Change the attributes. */
iap->ia_valid |= ATTR_CTIME;
static void kill_suid(struct dentry *dentry)
{
struct iattr ia;
- ia.ia_valid = ATTR_KILL_SUID | ATTR_KILL_SGID;
+ ia.ia_valid = ATTR_KILL_SUID | ATTR_KILL_SGID | ATTR_KILL_PRIV;
mutex_lock(&dentry->d_inode->i_mutex);
notify_change(dentry, &ia);
if (EX_WGATHER(exp)) {
if (atomic_read(&inode->i_writecount) > 1
|| (last_ino == inode->i_ino && last_dev == inode->i_sb->s_dev)) {
- dprintk("nfsd: write defer %d\n", current->pid);
+ dprintk("nfsd: write defer %d\n", task_pid_nr(current));
msleep(10);
- dprintk("nfsd: write resume %d\n", current->pid);
+ dprintk("nfsd: write resume %d\n", task_pid_nr(current));
}
if (inode->i_state & I_DIRTY) {
- dprintk("nfsd: write sync %d\n", current->pid);
+ dprintk("nfsd: write sync %d\n", task_pid_nr(current));
host_err=nfsd_sync(file);
}
#if 0