--- arch/sparc/kernel/process_32.c

+++ arch/sparc/kernel/process_32.c

@@ -526,7 +526,7 @@ int copy_thread(unsigned long clone_flag

* Set some valid stack frames to give to the child.

*/

childstack = (struct sparc_stackf __user *)

- (sp & ~0x7UL);

+ (sp & ~0xfUL);

parentstack = (struct sparc_stackf __user *)

regs->u_regs[UREG_FP];