Attachment #37111 for bug #83143

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			value &= 0xffff;
			return 0;
		case offsetof(struct user_regs_struct,fs_base):
			if (value >= TASK_SIZE)
				return -EIO;
			child->thread.fs = value;
			return 0;
		case offsetof(struct user_regs_struct,gs_base):
			if (value >= TASK_SIZE)
				return -EIO;
			child->thread.gs = value;
			return 0;
		case offsetof(struct user_regs_struct, eflags):

Return to bug 83143

Lines 257-269 static int putreg(struct task_struct *ch Link Here

(-)linux/arch/x86_64/kernel/ptrace.c (-4 / +4 lines)
257	value &= 0xffff;	257	value &= 0xffff;
258	return 0;	258	return 0;
259	case offsetof(struct user_regs_struct,fs_base):	259	case offsetof(struct user_regs_struct,fs_base):
260	if (!((value >> 48) == 0 \|\| (value >> 48) == 0xffff))	260	if (value >= TASK_SIZE)
261	return -EIO;	261	return -EIO;
262	child->thread.fs = value;	262	child->thread.fs = value;
263	return 0;	263	return 0;
264	case offsetof(struct user_regs_struct,gs_base):	264	case offsetof(struct user_regs_struct,gs_base):
265	if (!((value >> 48) == 0 \|\| (value >> 48) == 0xffff))	265	if (value >= TASK_SIZE)
266	return -EIO;	266	return -EIO;
267	child->thread.gs = value;	267	child->thread.gs = value;
268	return 0;	268	return 0;
269	case offsetof(struct user_regs_struct, eflags):	269	case offsetof(struct user_regs_struct, eflags):