On Wed, Jul 25, 2018 at 02:45:12PM +0100, Will Deacon wrote: > arch/arm/ defines a SIGMINSTKSZ of 2k, so we should use the same value > for compat tasks. > > Cc: Arnd Bergmann <[email protected]> > Cc: Dominik Brodowski <[email protected]> > Cc: "Eric W. Biederman" <[email protected]> > Cc: Andrew Morton <[email protected]> > Cc: Al Viro <[email protected]> > Cc: Oleg Nesterov <[email protected]> > Reported-by: Steve McIntyre <[email protected]> > Signed-off-by: Will Deacon <[email protected]>
Reviewed-by: Dave Martin <[email protected]> > --- > arch/arm64/include/asm/compat.h | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/arm64/include/asm/compat.h b/arch/arm64/include/asm/compat.h > index 1a037b94eba1..cee28a05ee98 100644 > --- a/arch/arm64/include/asm/compat.h > +++ b/arch/arm64/include/asm/compat.h > @@ -159,6 +159,7 @@ static inline compat_uptr_t ptr_to_compat(void __user > *uptr) > } > > #define compat_user_stack_pointer() > (user_stack_pointer(task_pt_regs(current))) > +#define COMPAT_MINSIGSTKSZ 2048 > > static inline void __user *arch_compat_alloc_user_space(long len) > { > -- > 2.1.4 > > > _______________________________________________ > linux-arm-kernel mailing list > [email protected] > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
