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    Subject[REVIEW][PATCH 03/26] signal/arm64: Use force_sig not force_sig_fault for SIGKILL
    It really only matters to debuggers but the SIGKILL does not have any
    si_codes that use the fault member of the siginfo union. Correct this
    the simple way and call force_sig instead of force_sig_fault when the
    signal is SIGKILL.

    Cc: stable@vger.kernel.org
    Cc: Dave Martin <Dave.Martin@arm.com>
    Cc: James Morse <james.morse@arm.com>
    Cc: Will Deacon <will.deacon@arm.com>
    Fixes: af40ff687bc9 ("arm64: signal: Ensure si_code is valid for all fault signals")
    Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
    ---
    arch/arm64/kernel/traps.c | 5 +++++
    1 file changed, 5 insertions(+)

    diff --git a/arch/arm64/kernel/traps.c b/arch/arm64/kernel/traps.c
    index ade32046f3fe..0feb17bdcaa0 100644
    --- a/arch/arm64/kernel/traps.c
    +++ b/arch/arm64/kernel/traps.c
    @@ -282,6 +282,11 @@ void arm64_notify_die(const char *str, struct pt_regs *regs,
    current->thread.fault_address = 0;
    current->thread.fault_code = err;

    + if (signo == SIGKILL) {
    + arm64_show_signal(signo, str);
    + force_sig(signo, current);
    + return;
    + }
    arm64_force_sig_fault(signo, sicode, addr, str);
    } else {
    die(str, regs, err);
    --
    2.21.0
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