Re: [patch] firewire: info leak in ioctl_get_info()

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On Oct 19 Clemens Ladisch wrote:
> Dan Carpenter wrote:
> > There is a 4 byte hole in the bus_reset struct at the end of the struct
> > after ->generation.
> 
> queue_bus_reset_event() uses kzalloc(), and ioctl_get_info() does not copy
> the hole.

Yep.  In other words, the ioctl_get_info() information leak has been
fixed by commit 790198f74c9d "firewire: cdev: fix user memory corruption
(i386 userland on amd64 kernel)".  Its subject doesn't say so, but the
changelog does.
-- 
Stefan Richter
-=====-===-= =-=- =--==
http://arcgraph.de/sr/
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