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Re: [PATCH 1/1] s390/ipl: fix off-by-one in update_machine_ipl_propertie


From: Cornelia Huck
Subject: Re: [PATCH 1/1] s390/ipl: fix off-by-one in update_machine_ipl_properties()
Date: Fri, 20 Mar 2020 18:25:18 +0100

On Fri, 20 Mar 2020 15:31:01 +0100
Halil Pasic <address@hidden> wrote:

> In update_machine_ipl_properties() the array ascii_loadparm needs to
> hold the 8 char lodparm and a string terminating zero char.

s/lodparm/loadparm/

> Let's increase the size of ascii_loadparm accordingly.
> 
> Signed-off-by: Halil Pasic <address@hidden>
> Fixes: 0a01e082a4 ("s390/ipl: sync back loadparm")

Fixes: Coverity CID 1421966

> 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

Thanks, queued to s390-fixes.




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