Re: [PATCH 3/7] seccomp_filter: Enable ftrace-based system callfiltering

From: Steven Rostedt
Date: Thu Apr 28 2011 - 12:28:23 EST


On Wed, 2011-04-27 at 22:08 -0500, Will Drewry wrote:

> The only other twist is that it is possible to delay enforcement by one
> system call by supplying a "on_next_syscall: 1" 'filter'. This allows
> for a launcher process to fork(), prctl(), then execve() leaving the
> launched binary in a filtered state.

I wonder if the more "unixy" thing to do is, instead of on_next_sycall,
have "enable_on_exec". Where the user could do multiple syscalls but the
filter will not take place until an exec is made?

-- Steve


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