Re: [PATCH] LoongArch: Disable executable stack by default

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On Fri, Jul 29, 2022 at 10:28 AM Xi Ruoyao <xry111@xxxxxxxxxxx> wrote:
>
> On Tue, 2022-07-26 at 21:02 +0800, Huacai Chen wrote:
> > Disable executable stack for LoongArch by default, as all modern
> > architectures do.
>
> Should this be a 5.19 fix?  IIUC after the first release we'll be
> impossible to change it because it would "break userspace".
>
> Note that 5.19 release is scheduled this weekend.
Already queued for 5.19-final, thanks.

Huacai
>
> > Signed-off-by: Huacai Chen <chenhuacai@xxxxxxxxxxx>
> > ---
> >  arch/loongarch/include/asm/elf.h | 2 --
> >  1 file changed, 2 deletions(-)
> >
> > diff --git a/arch/loongarch/include/asm/elf.h
> > b/arch/loongarch/include/asm/elf.h
> > index f3960b18a90e..5f3ff4781fda 100644
> > --- a/arch/loongarch/include/asm/elf.h
> > +++ b/arch/loongarch/include/asm/elf.h
> > @@ -288,8 +288,6 @@ struct arch_elf_state {
> >         .interp_fp_abi = LOONGARCH_ABI_FP_ANY,  \
> >  }
> >
> > -#define elf_read_implies_exec(ex, exec_stk) (exec_stk ==
> > EXSTACK_DEFAULT)
> > -
> >  extern int arch_elf_pt_proc(void *ehdr, void *phdr, struct file *elf,
> >                             bool is_interp, struct arch_elf_state
> > *state);
> >
>
> --
> Xi Ruoyao <xry111@xxxxxxxxxxx>
> School of Aerospace Science and Technology, Xidian University



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