Re: Sound driver security hole?

Itai Nahshon (nahshon@actcom.co.il)
Fri, 30 Jan 1998 16:15:25 +0200

Thomas Sailer wrote:
>
> Consider mmap'ing an ordinary file:
>
> fd = open("some file" ...);
> mmap(..., MAP_SHARED, fd, ...);
> close(fd);

Tom, I tried it and I would say it is not just a bug in the
sound driver. Device close should be called only for the *last*
close on the device. If a device or file is memory mapped
it should still be open internally.

IMHO this is a bug which is *not* related to the sound driver.

Itai

-- 
Itai Nahshon   nahshon@actcom.co.il
        Also   nahshon@vnet.ibm.com