On Mon, 24 Sep 2001, David S. Miller wrote:
> ifreq copied safely to kernel space, ifr.ifr_name is inside the
> struct and NOT a user pointer.
Sorry, my explanation of the checker may not have been clear enough-- a
format string error does not occur because the kernel dereferences a user
pointer. It happens because the format string to a printing function is
set by the user. You are correct that ifr_name is not a user pointer,
but the contents of that array could contain dangerous placeholders set by
the user. I hope that clears things up.
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This archive was generated by hypermail 2b29 : Sun Sep 30 2001 - 21:00:27 EST