On Fri, 18 Nov 2016 12:24:37 +0100, Dmitry Vyukov said:
> WARNINGs mean kernel bugs.
> The one in ucma_write() points to user programming error
> or a malicious attempt. This is not a kernel bug, remove it.
> - if (WARN_ON_ONCE(!ib_safe_file_access(filp)))
> + if (!ib_safe_file_access(filp))
> return -EACCES;
In that case, wouldn't this be better?
if (!ib_safe_file_access(filp)) {
printk_once("Process %d (%s) tried to do something hinky", pid, comm);
return _EACCESS;
}
so the sysadmin becomes aware of the malicious attempt?
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