Pathname arguments are limited to PATH_MAX bytes.
Reported-by: Tycho Andersen <tycho@tycho.pizza>
Reported-by: Jann Horn <jannh@google.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
In addition,
the supervisor can access other system information that is visible
in user space but which is not accessible from a seccomp filter.
-.\" FIXME
-.\" Suppose we are reading a pathname from /proc/PID/mem
-.\" for a system call such as mkdir(). The pathname can be
-.\" an arbitrary length. How do we know how much (how many
-.\" pages) to read from /proc/PID/mem?
-.
.\"-------------------------------------
.IP 7.
Having obtained information as per the previous step,