Messages in this thread | | | From | Guo Ren <> | Date | Thu, 9 Jul 2020 15:59:36 +0800 | Subject | Re: [PATCH] riscv: Enable ELF-ASLR for riscv |
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On Thu, Jul 9, 2020 at 1:32 PM Alex Ghiti <alex@ghiti.fr> wrote: > > Hi Guo, > > Le 7/9/20 à 12:38 AM, guoren@kernel.org a écrit : > > From: Guo Ren <guoren@linux.alibaba.com> > > > > Let riscv enable randomizes the stack, heap and binary images of > > ELF binaries. Seems it's ok at all after qemu & chip test and > > there is no founded side effect. > > > > So just simply select ARCH_HAS_ELF_RANDOMIZE :) > > > > Signed-off-by: Guo Ren <guoren@linux.alibaba.com> > > Cc: Palmer Dabbelt <palmerdabbelt@google.com> > > Cc: Paul Walmsley <paul.walmsley@sifive.com> > > Cc: Zong Li <zong.li@sifive.com> > > Cc: Greentime Hu <green.hu@gmail.com> > > --- > > arch/riscv/Kconfig | 1 + > > 1 file changed, 1 insertion(+) > > > > diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig > > index 91bfc6c..eed6647 100644 > > --- a/arch/riscv/Kconfig > > +++ b/arch/riscv/Kconfig > > @@ -20,6 +20,7 @@ config RISCV > > select ARCH_HAS_GIGANTIC_PAGE > > select ARCH_HAS_MMIOWB > > select ARCH_HAS_PTE_SPECIAL > > + select ARCH_HAS_ELF_RANDOMIZE > > select ARCH_HAS_SET_DIRECT_MAP > > select ARCH_HAS_SET_MEMORY > > select ARCH_HAS_STRICT_KERNEL_RWX if MMU > > > > Actually it is already the case: ARCH_HAS_ELF_RANDOMIZE is already > selected by ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT. Oops :P, Thx for correcting, abandon the patch.
-- Best Regards Guo Ren
ML: https://lore.kernel.org/linux-csky/
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