Audit: fix audit watch use after free

When an audit watch is added to a parent the temporary watch inside the
original krule from userspace is freed.  Yet the original watch is used after
the real watch was created in audit_add_rules()

Signed-off-by: Eric Paris <eparis@redhat.com>
This commit is contained in:
Eric Paris 2009-06-11 14:31:33 -04:00 committed by Al Viro
parent 4e8a2372f9
commit 35aa901c0b

View file

@ -1320,6 +1320,8 @@ static inline int audit_add_rule(struct audit_entry *entry)
mutex_unlock(&audit_filter_mutex);
goto error;
}
/* entry->rule.watch may have changed during audit_add_watch() */
watch = entry->rule.watch;
h = audit_hash_ino((u32)watch->ino);
list = &audit_inode_hash[h];
}