Date: Wed, 20 Sep 2000 16:45:47 +0200 From: Maxime Henrion <mux@qualys.com> To: stable@freebsd.org Subject: internal identd problem Message-ID: <39C8CD9B.17F70429@qualys.com>
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Hi,
I read the thread about the cpu hog problem of the internal identd
problem and tried to reproduce it on my box. I did a truss on the inetd
process and got this :
select(0x8,0xbfbff46c,0x0,0x0,0xbfbfd45c) = 1 (0x1)
ioctl(7,FIONREAD,0xbfbfd444) = 0 (0x0)
read(0x7,0xbfbfd46c,0x0) = 0 (0x0)
gettimeofday(0xbfbfd45c,0x0) = 0 (0x0)
[...]
a lot of times.
It seems it's a very common problem. The return value of read() is not
checked against 0 (0 means that the other side disconnected) and so, it
loops until the connection times out.
I will look at inetd sources to fix this bug as soon as possible and I
think I will come shortly with a patch.
Regards,
Maxime Henrion
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