From: Will Deacon will.deacon@arm.com
commit 24951465cbd279f60b1fdc2421b3694405bcff42 upstream.
arch/arm/ defines a SIGMINSTKSZ of 2k, so we should use the same value for compat tasks.
Cc: Arnd Bergmann arnd@arndb.de Cc: Dominik Brodowski linux@dominikbrodowski.net Cc: "Eric W. Biederman" ebiederm@xmission.com Cc: Andrew Morton akpm@linux-foundation.org Cc: Al Viro viro@zeniv.linux.org.uk Cc: Oleg Nesterov oleg@redhat.com Reviewed-by: Dave Martin Dave.Martin@arm.com Reported-by: Steve McIntyre steve.mcintyre@arm.com Tested-by: Steve McIntyre 93sam@debian.org Signed-off-by: Will Deacon will.deacon@arm.com Signed-off-by: Catalin Marinas catalin.marinas@arm.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- arch/arm64/include/asm/compat.h | 1 + 1 file changed, 1 insertion(+)
--- a/arch/arm64/include/asm/compat.h +++ b/arch/arm64/include/asm/compat.h @@ -234,6 +234,7 @@ static inline compat_uptr_t ptr_to_compa }
#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) {