[PATCH] arm64: signal: don't force known signals to SIGKILL

[Catalin Marinas]

On Mon, Apr 16, 2018 at 04:45:01PM +0100, Mark Rutland wrote:
> Since commit:
> 
>   a7e6f1ca90354a31 ("arm64: signal: Force SIGKILL for unknown signals in force_signal_inject")
> 
> ... any signal which is not SIGKILL will be upgraded to a SIGKILL be
> force_signal_inject(). This includes signals we do expect, such as
> SIGILL triggered by do_undefinstr().
> 
> Fix the check to use a logical AND rather than a logical OR, permitting
> signals whose layout is SIL_FAULT.
> 
> Signed-off-by: Mark Rutland <mark.rutland at arm.com>
> Fixes: a7e6f1ca90354a31 ("arm64: signal: Force SIGKILL for unknown signals in force_signal_inject")
> Cc: Catalin Marinas <catalin.marinas at arm.com>
> Cc: Dave Martin <dave.martin at arm.com>
> Cc: Will Deacon <will.deacon at arm.com>

Queued for 4.17-rc2. Thanks.

-- 
Catalin