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Re: [PATCH 1/1] s390/ipl: fix off-by-one in update_machine_ipl_propertie
From: |
David Hildenbrand |
Subject: |
Re: [PATCH 1/1] s390/ipl: fix off-by-one in update_machine_ipl_properties() |
Date: |
Fri, 27 Mar 2020 10:15:50 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.6.0 |
On 20.03.20 15:31, Halil Pasic wrote:
> In update_machine_ipl_properties() the array ascii_loadparm needs to
> hold the 8 char lodparm and a string terminating zero char.
>
> Let's increase the size of ascii_loadparm accordingly.
>
> Signed-off-by: Halil Pasic <address@hidden>
> Fixes: 0a01e082a4 ("s390/ipl: sync back loadparm")
> Reported-by: Peter Maydell <address@hidden>
> ---
> hw/s390x/ipl.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/hw/s390x/ipl.c b/hw/s390x/ipl.c
> index b81942e1e6..8c3e019571 100644
> --- a/hw/s390x/ipl.c
> +++ b/hw/s390x/ipl.c
> @@ -546,7 +546,7 @@ static void
> update_machine_ipl_properties(IplParameterBlock *iplb)
> /* Sync loadparm */
> if (iplb->flags & DIAG308_FLAGS_LP_VALID) {
> uint8_t *ebcdic_loadparm = iplb->loadparm;
> - char ascii_loadparm[8];
> + char ascii_loadparm[9];
> int i;
>
> for (i = 0; i < 8 && ebcdic_loadparm[i]; i++) {
>
> base-commit: 226cd20706e20264c176f8edbaf17d7c9b7ade4a
>
Reviewed-by: David Hildenbrand <address@hidden>
--
Thanks,
David / dhildenb