[LTP] [PATCH v3 8/8] Add ioctl_pidfd06 test
    Cyril Hrubis 
    chrubis@suse.cz
       
    Wed Jul 23 15:08:50 CEST 2025
    
    
  
Hi!
> +static void run(void)
> +{
> +	int pidfd;
> +	pid_t pid_child;
> +
> +	memset(args, 0, sizeof(struct tst_clone_args));
> +	memset(info, 0, sizeof(struct pidfd_info));
> +
> +	info->mask = PIDFD_INFO_EXIT;
> +
> +	args->flags = CLONE_PIDFD | CLONE_NEWUSER | CLONE_NEWPID;
> +	args->pidfd = (uint64_t)&pidfd;
> +	args->exit_signal = SIGCHLD;
> +
> +	pid_child = SAFE_CLONE(args);
> +	if (!pid_child)
> +		exit(100);
> +
> +	SAFE_WAITPID(pid_child, NULL, 0);
> +
> +	memset(args, 0, sizeof(struct tst_clone_args));
> +
> +	args->flags = CLONE_NEWUSER | CLONE_NEWPID;
> +	args->exit_signal = SIGCHLD;
> +
> +	if (!SAFE_CLONE(args)) {
> +		TST_EXP_FAIL(ioctl(pidfd, PIDFD_GET_INFO, info), ESRCH);
> +		exit(0);
> +	}
SAFE_CLOSE(pid_child) here?
Otherwise we end up out of file descriptors with large enough -i
parameter.
Otherwise:
Reviewed-by: Cyril Hrubis <chrubis@suse.cz>
-- 
Cyril Hrubis
chrubis@suse.cz
    
    
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