[LTP] [PATCH 2/2] shmctl03: Fix shmmax clamped to INT_MAX in 32bit compat mode

[Cyril Hrubis]

Hi!
> Reported-by: Wei Gao <wegao@suse.com>
> Reviewed-by: Petr Vorel <pvorel@suse.cz>
> Signed-off-by: Andrea Cervesato <andrea.cervesato@suse.com>
> [ pvorel: separate into its own commit, write the commit message ]
> Co-developed-by: Petr Vorel <pvorel@suse.cz>
> Signed-off-by: Petr Vorel <pvorel@suse.cz>
> ---
>  testcases/kernel/syscalls/shmctl/shmctl03.c | 6 +++++-
>  1 file changed, 5 insertions(+), 1 deletion(-)
> 
> diff --git a/testcases/kernel/syscalls/shmctl/shmctl03.c b/testcases/kernel/syscalls/shmctl/shmctl03.c
> index 9e1c2f0990..0056f2c4b4 100644
> --- a/testcases/kernel/syscalls/shmctl/shmctl03.c
> +++ b/testcases/kernel/syscalls/shmctl/shmctl03.c
> @@ -30,7 +30,11 @@ static void verify_ipcinfo(void)
>  	else
>  		tst_res(TPASS, "shmmin = 1");
>  
> -	TST_ASSERT_ULONG(PATH_KERN_SHMMAX, info.shmmax);
> +	if (tst_is_compat_mode() && info.shmmax == INT_MAX)
> +		tst_res(TPASS, "shmmax clamped to INT_MAX in compat mode");

This should be turned into PATH_KERN_SHMMAX >= INT_MAX check instead of
printing TPASS blindly.

> +	else
> +		TST_ASSERT_ULONG(PATH_KERN_SHMMAX, info.shmmax);
> +
>  	TST_ASSERT_ULONG(PATH_KERN_SHMMNI, info.shmmni);
>  	TST_ASSERT_ULONG(PATH_KERN_SHMALL, info.shmall);
>  }
> -- 
> 2.55.0
> 

-- 
Cyril Hrubis
chrubis@suse.cz