Re: [patch 09/35 error-handling] reiserfs: add locking around error buffer

[Andi Kleen]

Jeff Mahoney <jeffm@xxxxxxxx> writes:

>  The formatting of the error buffer is race prone. It uses static buffers
>  for both formatting and output. While overwriting the error buffer
>  can product garbled output, overwriting the format buffer with incompatible
>  % directives can cause crashes.

Really? Just curious but could you describe the steps how a garbled printk can
leads to a crash?

Thanks,

-Andi

-- 
ak@xxxxxxxxxxxxxxx -- Speaking for myself only.
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