> On Thursday, September 10, 2015 03:48:52 PM Daniel P. Berrange wrote: > > On Wed, Sep 09, 2015 at 09:55:33PM -0400, namn...@safe-mail.net wrote: > > > + > > > + /* shmget */ > > > + rc = seccomp_rule_add(ctx, SCMP_ACT_ALLOW, SCMP_SYS(shmget), 2, > > > + SCMP_A0(SCMP_CMP_EQ, IPC_PRIVATE), > > > + SCMP_A2(SCMP_CMP_EQ, IP_CREAT|0777)); > > > > I'm not familiar with semantics of these seccomp rules, but is this > > saying that the second arg must be exactly equal to IP_CREAT|0777 ? > > Yes. > > > If the app passes IP_CREAT|0600, would that be permitted instead ? > > The latter is what I see gtk2 source code passing for mode. > > It wouldn't match the rule as written above, if it doesn't match any other > configured rules it would hit the default filter action. > > -- > paul moore > security @ redhat
I'd already replied to that but in a new top-level thread because I had an updated patch. Did I misunderstand the "contributing a patch" FAQ? Anyway, I added the IP_CREAT|0600 rule to the v2 patch: https://lists.nongnu.org/archive/html/qemu-devel/2015-09/msg02953.html
