From: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>
Date: Mon, 17 Apr 2006 11:39:23 +0000 (+0400)
Subject: [PATCH] IPC: access to unmapped vmalloc area in grow_ary()
X-Git-Tag: v2.6.17-rc2~17
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a9a5cd5d2a57fb76dbae2115450f777b69beccf7;p=pandora-kernel.git

[PATCH] IPC: access to unmapped vmalloc area in grow_ary()

grow_ary() should not copy struct ipc_id_ary (it copies new->p, not
new). Due to this, memcpy() src pointer could hit unmapped vmalloc page
when near page boundary.

Found during OpenVZ stress testing

Signed-off-by: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>
Signed-off-by: Kirill Korotaev <dev@openvz.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

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