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x86: initialize 64bit registers for a.out executables

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Previously the data from before the exec was kept in there. Zero
them instead.

[ tglx: arch/x86 adaptation ]

Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Andi Kleen 2007-10-17 18:04:33 +02:00 committed by Thomas Gleixner
parent 1c5b5cfd29
commit f891dd18c1
1 changed files with 2 additions and 0 deletions
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2
arch/x86/ia32/ia32_aout.c
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@ -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)