From: David Miller <davem@davemloft.net>
To: m.kozlowski@tuxland.pl
Cc: herbert@gondor.apana.org.au, netdev@vger.kernel.org,
abacabadabacaba@gmail.com, maxk@qualcomm.com,
linux-net@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: PROBLEM: tun/tap crashes if open() /dev/net/tun and then poll() it.
Date: Mon, 06 Jul 2009 13:08:41 -0700 (PDT) [thread overview]
Message-ID: <20090706.130841.109675901.davem@davemloft.net> (raw)
In-Reply-To: <20090706074835.3fe641f0@mako-desktop>
From: Mariusz Kozlowski <m.kozlowski@tuxland.pl>
Date: Mon, 6 Jul 2009 07:48:35 +0200
> Fix NULL pointer dereference in tun_chr_pool() introduced by
> commit 33dccbb050bbe35b88ca8cf1228dcf3e4d4b3554 and triggered
> by this code:
>
> int fd;
> struct pollfd pfd;
> fd = open("/dev/net/tun", O_RDWR);
> pfd.fd = fd;
> pfd.events = POLLIN | POLLOUT;
> poll(&pfd, 1, 0);
>
> Reported-by: Eugene Kapun <abacabadabacaba@gmail.com>
> Signed-off-by: Mariusz Kozlowski <m.kozlowski@tuxland.pl>
Applied, thanks!
prev parent reply other threads:[~2009-07-06 20:08 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-04 8:36 PROBLEM: tun/tap crashes if open() /dev/net/tun and then poll() it Eugene Kapun
2009-07-05 22:11 ` Mariusz Kozlowski
2009-07-06 1:12 ` Herbert Xu
2009-07-06 5:48 ` Mariusz Kozlowski
2009-07-06 20:08 ` David Miller [this message]
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