From f891dd18c107d582c3ab98da5209c930e16baf78 Mon Sep 17 00:00:00 2001 From: Andi Kleen Date: Wed, 17 Oct 2007 18:04:33 +0200 Subject: [PATCH] x86: initialize 64bit registers for a.out executables Previously the data from before the exec was kept in there. Zero them instead. [ tglx: arch/x86 adaptation ] Signed-off-by: Andi Kleen Signed-off-by: Ingo Molnar Signed-off-by: Thomas Gleixner --- arch/x86/ia32/ia32_aout.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/x86/ia32/ia32_aout.c b/arch/x86/ia32/ia32_aout.c index 7cf1c29bf90e..f82e1a94fcb7 100644 --- a/arch/x86/ia32/ia32_aout.c +++ b/arch/x86/ia32/ia32_aout.c @@ -420,6 +420,8 @@ static int load_aout_binary(struct linux_binprm * bprm, struct pt_regs * regs) (regs)->eflags = 0x200; (regs)->cs = __USER32_CS; (regs)->ss = __USER32_DS; + regs->r8 = regs->r9 = regs->r10 = regs->r11 = + regs->r12 = regs->r13 = regs->r14 = regs->r15 = 0; set_fs(USER_DS); if (unlikely(current->ptrace & PT_PTRACED)) { if (current->ptrace & PT_TRACE_EXEC)