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Re: [PATCH] hw/intc: sifive_plic: fix out-of-bound access of source_prio
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From: |
Bin Meng |
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Subject: |
Re: [PATCH] hw/intc: sifive_plic: fix out-of-bound access of source_priority array |
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Date: |
Mon, 28 Nov 2022 18:30:25 +0800 |
On Mon, Nov 28, 2022 at 12:59 AM Jim Shu <jim.shu@sifive.com> wrote:
>
> If the number of interrupt is not multiple of 32, PLIC will have
> out-of-bound access to source_priority array. Compute the number of
> interrupt in the last word to avoid this out-of-bound access of array.
>
> Signed-off-by: Jim Shu <jim.shu@sifive.com>
> ---
> hw/intc/sifive_plic.c | 12 +++++++++++-
> 1 file changed, 11 insertions(+), 1 deletion(-)
>
Reviewed-by: Bin Meng <bmeng@tinylab.org>