Re: RFC: seccomp-bpf support

Hi,

On 2019-08-28 14:47:04 -0400, Joshua Brindle wrote:
> A prime example is madvise() which was a catastrophic failure that 1)
> isn't preventable by any LSM including SELinux, 2) isn't used by PG
> and is therefore a good candidate for a kill list, and 3) a clear win
> in the dont-let-PG-be-a-vector-for-kernel-compromise arena.

IIRC it's used by glibc as part of its malloc implementation (also
threading etc) - but not necessarily hit during the most common
paths. That's *precisely* my problem with this approach.

Greetings,

Andres Freund