[LTP] [PATCH 04/10] Add SAFE_PRCTL macro

[Li Wang]

Reviewed-by: Li Wang <liwang@redhat.com>

On Mon, Jul 1, 2024 at 11:43 PM Andrea Cervesato <andrea.cervesato@suse.de>
wrote:

> From: Andrea Cervesato <andrea.cervesato@suse.com>
>
> Signed-off-by: Andrea Cervesato <andrea.cervesato@suse.com>
> ---
>  include/tst_safe_macros.h |  6 ++++++
>  lib/tst_safe_macros.c     | 16 ++++++++++++++++
>  2 files changed, 22 insertions(+)
>
> diff --git a/include/tst_safe_macros.h b/include/tst_safe_macros.h
> index 7748bd34f..733a2506e 100644
> --- a/include/tst_safe_macros.h
> +++ b/include/tst_safe_macros.h
> @@ -504,6 +504,12 @@ int safe_sscanf(const char *file, const int lineno,
> const char *restrict buffer,
>  #define SAFE_SSCANF(buffer, format, ...) \
>         safe_sscanf(__FILE__, __LINE__, (buffer), (format),
>  ##__VA_ARGS__)
>
> +int safe_prctl(const char *file, const int lineno,
> +       int option, unsigned long arg2, unsigned long arg3,
> +       unsigned long arg4, unsigned long arg5);
> +#define SAFE_PRCTL(option, arg2, arg3, arg4, arg5) \
> +       safe_prctl(__FILE__, __LINE__, (option), (arg2), (arg3), (arg4),
> (arg5))
> +
>  int safe_landlock_create_ruleset(const char *file, const int lineno,
>         const struct landlock_ruleset_attr *attr,
>         size_t size , uint32_t flags);
> diff --git a/lib/tst_safe_macros.c b/lib/tst_safe_macros.c
> index ba997eb7c..a81037161 100644
> --- a/lib/tst_safe_macros.c
> +++ b/lib/tst_safe_macros.c
> @@ -10,6 +10,7 @@
>  #include <errno.h>
>  #include <sched.h>
>  #include <sys/ptrace.h>
> +#include <sys/prctl.h>
>  #include "config.h"
>  #ifdef HAVE_SYS_FANOTIFY_H
>  # include <sys/fanotify.h>
> @@ -711,6 +712,21 @@ int safe_mprotect(const char *file, const int lineno,
>         return rval;
>  }
>
> +int safe_prctl(const char *file, const int lineno,
> +       int option, unsigned long arg2, unsigned long arg3,
> +       unsigned long arg4, unsigned long arg5)
> +{
> +       int rval;
> +
> +       rval = prctl(option, arg2, arg3, arg4, arg5);
> +       if (rval == -1) {
> +               tst_brk_(file, lineno, TBROK | TERRNO,
> +                       "prctl(%d, %lu, %lu, %lu, %lu)",
> +                       option, arg2, arg3, arg4, arg5);
> +       }
> +
> +       return rval;
> +}
>
>  int safe_landlock_create_ruleset(const char *file, const int lineno,
>         const struct landlock_ruleset_attr *attr,
>
> --
> 2.43.0
>
>
> --
> Mailing list info: https://lists.linux.it/listinfo/ltp
>
>

-- 
Regards,
Li Wang