From: Kirill Korotaev <dev@sw.ru>
Date: Tue, 17 May 2005 04:53:50 +0000 (-0700)
Subject: [PATCH] do_swap_page() can map random data if swap read fails
X-Git-Tag: v2.6.12-rc5~124
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b81074800b98ac50b64d4c8d34e8abf0fda5e3d1;p=pandora-kernel.git

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

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 <dev@sw.ru>
Signed-Off-By: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>
Acked-by: Hugh Dickins <hugh@veritas.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

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