Re: [dpdk-dev] [PATCH] test/eal: fix incorrect array sizes

[Michael Santana Francisco <msantana@redhat.com>]

On Wed, Jul 31, 2019 at 2:56 PM David Marchand
<david.marchand@redhat.com> wrote:
>
> Following removal of -c and -n options, the array should have been
> shrunk to avoid launch_proc to access unitialised strings.
>
> Fixes: b4dbacdb1ad7 ("test/eal: set core mask/list config only in dedicated test")
> Fixes: 501fa9a40298 ("test/eal: set memory channel config only in dedicated test")
>
> Signed-off-by: David Marchand <david.marchand@redhat.com>
Good patch, but is it just me or are you off by one in some places? see inline
> ---
>  app/test/test_eal_flags.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/app/test/test_eal_flags.c b/app/test/test_eal_flags.c
> index 827ea88..5b2c0f5 100644
> --- a/app/test/test_eal_flags.c
> +++ b/app/test/test_eal_flags.c
> @@ -244,7 +244,7 @@ test_whitelist_flag(void)
>         snprintf(prefix, sizeof(prefix), "--file-prefix=%s", tmp);
>  #endif
>
> -       const char *wlinval[][11] = {
> +       const char *wlinval[][7] = {
Shoudln't this be wlinval[][6]?
>                 {prgname, prefix, mp_flag,
>                                 pci_whitelist, "error", "", ""},
>                 {prgname, prefix, mp_flag,
> @@ -310,7 +310,7 @@ test_invalid_b_flag(void)
>         snprintf(prefix, sizeof(prefix), "--file-prefix=%s", tmp);
>  #endif
>
> -       const char *blinval[][9] = {
> +       const char *blinval[][5] = {
blinval[][6]?
>                 {prgname, prefix, mp_flag, "-b", "error"},
>                 {prgname, prefix, mp_flag, "-b", "0:0:0"},
>                 {prgname, prefix, mp_flag, "-b", "0:error:0.1"},
> @@ -414,7 +414,7 @@ test_invalid_r_flag(void)
>         snprintf(prefix, sizeof(prefix), "--file-prefix=%s", tmp);
>  #endif
>
> -       const char *rinval[][9] = {
> +       const char *rinval[][5] = {
rinval[][4]?
>                         {prgname, prefix, mp_flag, "-r", "error"},
>                         {prgname, prefix, mp_flag, "-r", "0"},
>                         {prgname, prefix, mp_flag, "-r", "-1"},
> --
> 1.8.3.1
>