Re: [Ksummit-discuss] [TECH TOPIC] seccomp feature development
Al Viro <[email protected]> Wed, 20 May 2020 17:31:02 +0100
| Newsgroups | org.linuxfoundation.lists.ksummit-discuss,dev.linux.lists.ksummit |
|---|---|
| Message-ID | <[email protected]> |
On Wed, May 20, 2020 at 09:17:41AM -0700, Kees Cook wrote: > As recently outlined[1], there are are a number of seccomp topics that > need discussion: > > - fd passing > - deep argument inspection > - changing structure sizes > - syscall bitmasks > > Specifically, seccomp needs to grow the ability to inspect Extensible > Argument syscalls, which requires that it inspect userspace memory > without Time-of-Check/Time-of-Use races and without double-copying. > Additionally, since the structures can grow and be nested, there needs > to be a way to ... catch and kill the bullshit ABI "enhancements" that would attempt that kind of garbage. I'm not sure why that is seccomp-related, though... _______________________________________________ Ksummit-discuss mailing list [email protected] https://lists.linuxfoundation.org/mailman/listinfo/ksummit-discuss