Messages in this thread | | | Date | Mon, 6 Jan 2020 09:23:15 +0100 | From | Peter Zijlstra <> | Subject | Re: [PATCH bpf-next] bpf: Make trampolines W^X |
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On Sat, Jan 04, 2020 at 09:49:10AM +0900, Andy Lutomirski wrote:
> > - Mark memory as non executable (set_memory_nx). While module_alloc for > > x86 allocates the memory as PAGE_KERNEL and not PAGE_KERNEL_EXEC, not > > all implementations of module_alloc do so > > How about fixing this instead?
We only care about STRICT_MODULE_RMW (iow, arm, arm64, s390, x86). Of those only s390 seems to be 'off'.
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