Re: [PATCH] mnt: don't allow to detach the namespace root

[Al Viro]

On Tue, Oct 07, 2014 at 04:00:12PM +0400, Andrey Vagin wrote:
> This patch fixes a bug, which is triggered by following code:
> while (1) {
>         if (umount2("/", MNT_DETACH) ||
> 	    setns(fd, CLONE_NEWNS))
>                 return break;
> }

Excuse me, but that makes no sense whatsoever (not to mention that
reproducer won't compile - return break; alone is enough to make
sure of that).

Could you post the real reproducer?
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/