Re: [PATCH v2 7/7] x86: signal: sys_rt_sigreturn() should useset_current_blocked()

From: Matt Fleming
Date: Fri Apr 22 2011 - 10:14:35 EST


On Mon, 18 Apr 2011 15:46:41 +0200
Oleg Nesterov <oleg@xxxxxxxxxx> wrote:

> Normally sys_rt_sigreturn() restores the old current->blocked which was
> changed by handle_signal(), and unblocking is always fine.
>
> But the debugger or application itself can change frame->uc_sigmask and
> thus we need set_current_blocked()->retarget_shared_pending().
>
> Signed-off-by: Oleg Nesterov <oleg@xxxxxxxxxx>

Reviewed-by: Matt Fleming <matt.fleming@xxxxxxxxxxxxxxx>

But does sys_sigreturn() also need this change?
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