Re: [PATCH] race condition in procfs

[Andrew Morton]

Grzegorz Nosek <grzegorz.nosek@xxxxxxxxx> wrote:
>
> Hello,
> 
> I found a race condition in procfs on SMP systems. The result is an
> oops in processes like pidof. Apparently ->proc_read() gets passed a
> potentially NULL pointer.

Do you know what the race is?

How does one reproduce it?

> The following micro-patch seems to fix it.

It might be right, or it might be a workaround..

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