Re: PROBLEM: tun/tap crashes if open() /dev/net/tun and thenpoll() it.

[David Miller]

From: Mariusz Kozlowski <m.kozlowski@xxxxxxxxxx>
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@xxxxxxxxx>
> Signed-off-by: Mariusz Kozlowski <m.kozlowski@xxxxxxxxxx>

Applied, thanks!
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