Re: mmotm 2014-07-02-15-07 uploaded (stack protector)

2014-07-02 Thread Randy Dunlap
On 07/02/14 17:57, Kees Cook wrote: > Hi Randy, > > And to explain more specifically what's happening: > > On Wed, Jul 02, 2014 at 04:21:06PM -0700, Randy Dunlap wrote: >> config-r8736:CONFIG_CC_STACKPROTECTOR_STRONG=y >> [...] >> build-r8736.out:/local/lnx/MM/mmotm-2014-0702-1507/Makefile:662: C

Re: mmotm 2014-07-02-15-07 uploaded (stack protector)

2014-07-02 Thread Kees Cook
On Wed, Jul 02, 2014 at 06:00:19PM -0700, Andi Kleen wrote: > > The problem is that if you make kbuild hard-fail when selecting this missing > > compiler option, you can never switch it back because "make menuconfig" will > > refuse to build since the compiler option would be missing. Being silent

Re: mmotm 2014-07-02-15-07 uploaded (stack protector)

2014-07-02 Thread Andi Kleen
> The problem is that if you make kbuild hard-fail when selecting this missing > compiler option, you can never switch it back because "make menuconfig" will > refuse to build since the compiler option would be missing. Being silent > about the missing option (and/or falling back to other options)

Re: mmotm 2014-07-02-15-07 uploaded (stack protector)

2014-07-02 Thread Andrew Morton
On Wed, 2 Jul 2014 17:51:00 -0700 Kees Cook wrote: > > It's hard to tell what the original author wanted, perhaps they wanted > > it to error out. It looks intentional. Clearly they didn't think of > > randconfig > > though. > > The problem is that if you make kbuild hard-fail when selecting th

Re: mmotm 2014-07-02-15-07 uploaded (stack protector)

2014-07-02 Thread Kees Cook
Hi Randy, And to explain more specifically what's happening: On Wed, Jul 02, 2014 at 04:21:06PM -0700, Randy Dunlap wrote: > config-r8736:CONFIG_CC_STACKPROTECTOR_STRONG=y > [...] > build-r8736.out:/local/lnx/MM/mmotm-2014-0702-1507/Makefile:662: Cannot use > CONFIG_CC_STACKPROTECTOR_STRONG: -fs

Re: mmotm 2014-07-02-15-07 uploaded (stack protector)

2014-07-02 Thread Kees Cook
On Wed, Jul 02, 2014 at 05:22:31PM -0700, Andi Kleen wrote: > On Wed, Jul 02, 2014 at 04:21:06PM -0700, Randy Dunlap wrote: > > On 07/02/14 15:08, a...@linux-foundation.org wrote: > > > The mm-of-the-moment snapshot 2014-07-02-15-07 has been uploaded to > > > > > >http://www.ozlabs.org/~akpm/m

Re: mmotm 2014-07-02-15-07 uploaded (stack protector)

2014-07-02 Thread Randy Dunlap
On 07/02/14 17:22, Andi Kleen wrote: > On Wed, Jul 02, 2014 at 04:21:06PM -0700, Randy Dunlap wrote: >> On 07/02/14 15:08, a...@linux-foundation.org wrote: >>> The mm-of-the-moment snapshot 2014-07-02-15-07 has been uploaded to >>> >>>http://www.ozlabs.org/~akpm/mmotm/ >>> >>> mmotm-readme.txt

Re: mmotm 2014-07-02-15-07 uploaded (stack protector)

2014-07-02 Thread Andi Kleen
On Wed, Jul 02, 2014 at 04:21:06PM -0700, Randy Dunlap wrote: > On 07/02/14 15:08, a...@linux-foundation.org wrote: > > The mm-of-the-moment snapshot 2014-07-02-15-07 has been uploaded to > > > >http://www.ozlabs.org/~akpm/mmotm/ > > > > mmotm-readme.txt says > > > > README for mm-of-the-mom

Re: mmotm 2014-07-02-15-07 uploaded (stack protector)

2014-07-02 Thread Randy Dunlap
On 07/02/14 15:08, a...@linux-foundation.org wrote: > The mm-of-the-moment snapshot 2014-07-02-15-07 has been uploaded to > >http://www.ozlabs.org/~akpm/mmotm/ > > mmotm-readme.txt says > > README for mm-of-the-moment: > > http://www.ozlabs.org/~akpm/mmotm/ > > This is a snapshot of my -mm