<p></p>
<blockquote>
<p dir="auto">With <a class="user-mention" data-hovercard-type="user" data-hovercard-url="/users/chenhuacai/hovercard" data-octo-click="hovercard-link-click" data-octo-dimensions="link_type:self" href="https://github.com/chenhuacai">@chenhuacai</a>'s <a href="https://github.com/xen0n/linux/commit/593f8c0180fc1056e3ea0ca91ce9a8096f40b7ef">latest patch</a>, every test passes except this:</p>
</blockquote>
<p dir="auto">Yes, this looks plausible.</p>
<p dir="auto">As I said earlier, another problem with the current implementation of <code>do_syscall</code> is that unlike other architectures, here the ptracer cannot change the first syscall argument because it is currently stored in <code>regs->orig_a0</code> which is out of reach of ptracers.  What do you think about exposing <code>regs->orig_a0</code> to ptracers?</p>

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