Messages in this thread | | | Subject | Re: [PATCH v1 6/8] x86/entry/clearregs: Add number of arguments to syscall tables | From | Andy Lutomirski <> | Date | Tue, 9 Jan 2018 17:26:43 -0800 |
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> On Jan 9, 2018, at 5:03 PM, Andi Kleen <andi@firstfloor.org> wrote: > > From: Andi Kleen <ak@linux.intel.com> > > In order to sanitize the system call arguments properly > we need to know the number of syscall arguments for each > syscall. Add a new column to the 32bit and 64bit syscall > tables to list the number of arguments. >
Surely we can do this in the SYSCALL_DEFINE macros. Or at least statically check it.
Also, what attack are we protecting against anyway?
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