On Sat, Oct 04, 2014 at 02:21:54PM +0000, Bjoern A. Zeeb wrote: > > On 04 Oct 2014, at 08:08 , Mateusz Guzik <m...@freebsd.org> wrote: > > > Author: mjg > > Date: Sat Oct 4 08:08:56 2014 > > New Revision: 272505 > > URL: https://svnweb.freebsd.org/changeset/base/272505 > > > > Log: > > Plug capability races. > > > > fp and appropriate capability lookups were not atomic, which could result > > in > > improper capabilities being checked. > > > > This could result either in protection bypass or in a spurious ENOTCAPABLE. > > > > Make fp + capability check atomic with the help of sequence counters. > > > > Reviewed by: kib > > MFC after: 3 weeks > > > > Modified: > > head/sys/kern/kern_descrip.c > > head/sys/sys/filedesc.h > > … > > > This file is included from user space. There is no opt_capsicum.h there. > Including an opt_* in the header file seems wrong in a lot of ways usually. > > I tried to add a bandaid for the moment with r272523 which (to be honest) > makes it worse. > > This needs a better fix.
Hi, this also breaks the nvidia-driver port (also with your fix). BR, Stefan _______________________________________________ svn-src-head@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
