cvs commit: src/sys/netipsec xform.h xform_ipip.c

Bjoern A. Zeeb bz at FreeBSD.org
Thu Mar 30 19:20:12 UTC 2006


On Thu, 30 Mar 2006, Bjoern A. Zeeb wrote:

> bz          2006-03-30 18:57:04 UTC
>
>  FreeBSD src repository
>
>  Modified files:
>    sys/netipsec         xform.h xform_ipip.c
>  Log:
>  Fix more stack corruptions on amd64.
>
>  Vararg functions have a different calling convention than regular
>  functions on amd64. Casting a varag function to a regular one to
>  match the function pointer declaration will hide the varargs from
>  the caller and we will end up with an incorrectly setup stack.

I will try to go over sys/net*/** or even sys/** somewhen the next
days and see if I can find more of them.

If anybody knows an easy way to find all casted function pointers
that are using varargs let me know ;-)

-- 
Bjoern A. Zeeb				bzeeb at Zabbadoz dot NeT


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