Re: [PATCH] do_swap_page() can map random data if swap read fails

On Wed, 11 May 2005, Kirill Korotaev wrote:

> against 2.6.12-rc4
> 
> There is a bug in do_swap_page(): when swap page happens to be unreadable,
> page filled with random data is mapped into user
> address space.
> The fix is to check for PageUptodate and send SIGBUS in case of error.
> 
> Signed-Off-By: Kirill Korotaev <[email protected]>
> Signed-Off-By: Alexey Kuznetsov <[email protected]>

Ah, yes, that surprised me years ago, but I forgot all about it.

Acked-by: Hugh Dickins <[email protected]>
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References:
- [PATCH] do_swap_page() can map random data if swap read fails
  - From: Kirill Korotaev <[email protected]>

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