From: Andi Kleen Date: Wed, 17 Oct 2007 16:04:33 +0000 (+0200) Subject: x86: initialize 64bit registers for a.out executables X-Git-Tag: v2.6.24-rc1~476^2~100 X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=f891dd18c107d582c3ab98da5209c930e16baf78;p=linux-2.6-omap-h63xx.git 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 --- diff --git a/arch/x86/ia32/ia32_aout.c b/arch/x86/ia32/ia32_aout.c index 7cf1c29bf90..f82e1a94fcb 100644 --- a/arch/x86/ia32/ia32_aout.c +++ b/arch/x86/ia32/ia32_aout.c @@ -420,6 +420,8 @@ beyond_if: (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)