Re: PAX: size overflow detected in function __vhost_add_used_n drivers/vhost/vhost.c:1517

From	"PaX Team" <pageexec@freemail.hu>
Newsgroups	linux.kernel
Subject	Re: PAX: size overflow detected in function __vhost_add_used_n drivers/vhost/vhost.c:1517
Date	2015-12-05 21:30 +0100
Message-ID	<qCrCW-5JB-5@gated-at.bofh.it> (permalink)
References	<qCr9U-5ju-9@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On 5 Dec 2015 at 20:51, Toralf Förster wrote:

> run into the following at a 64bit hardened stable Gentoo Linux while
> running the following command at the host (probably just the ssh login
> was it yet) : 
> 
> $ cd ~/devel/linux/; git archive --prefix linux-4.4.x/ v4.4-rc3 | (ssh root@n22kvm "cd /usr/src/; sudo tar -xf-")
> 
> 
> Dec  5 20:39:26 t44 kernel: PAX: size overflow detected in function __vhost_add_used_n drivers/vhost/vhost.c:1517 cicus.491_193 max, count: 7, decl: last_used_idx; num: 0; context: vhost_virtqueue;

it was already reported (and is fixed):
  https://forums.grsecurity.net/viewtopic.php?f=3&t=4329

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PAX: size overflow detected in function __vhost_add_used_n  drivers/vhost/vhost.c:1517 Toralf Förster <toralf.foerster@gmx.de> - 2015-12-05 21:00 +0100
  Re: PAX: size overflow detected in function __vhost_add_used_n drivers/vhost/vhost.c:1517 "PaX Team" <pageexec@freemail.hu> - 2015-12-05 21:30 +0100

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