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SubjectRe: [PATCH 6/6] x86: signal: sys_rt_sigreturn() should use sigprocmask()
On Mon, 11 Apr 2011 19:22:29 +0200
Oleg Nesterov <oleg@redhat.com> 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 sigprocmask()->retarget_shared_pending().
>
> Signed-off-by: Oleg Nesterov <oleg@redhat.com>

Reviewed-by: Matt Fleming <matt.fleming@linux.intel.com>

I'm just curious, have you actually seen this bug?


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