Re: [PATCH v5 3/8] powerpc/mm/ptdump: debugfs handler for W+X checks at runtime

2022-04-07 Thread Christophe Leroy
Le 06/04/2022 à 20:55, Kees Cook a écrit : > *thread necromancy* > > Is this patch still something folks are working on? It'd be nice to be > able to trigger this check at runtime. The series was taken over by Jordan. v15 of the series was accepted, but that particular patch was dropped in

Re: [PATCH v5 3/8] powerpc/mm/ptdump: debugfs handler for W+X checks at runtime

2022-04-06 Thread Kees Cook
*thread necromancy* Is this patch still something folks are working on? It'd be nice to be able to trigger this check at runtime. -Kees On Wed, Feb 26, 2020 at 05:35:46PM +1100, Russell Currey wrote: > Very rudimentary, just > > echo 1 > [debugfs]/check_wx_pages > > and check the kernel

Re: [PATCH v5 3/8] powerpc/mm/ptdump: debugfs handler for W+X checks at runtime

2020-02-26 Thread Kees Cook
On Wed, Feb 26, 2020 at 05:35:46PM +1100, Russell Currey wrote: > Very rudimentary, just > > echo 1 > [debugfs]/check_wx_pages > > and check the kernel log. Useful for testing strict module RWX. > > Updated the Kconfig entry to reflect this. Oh, I like this! This would be handy to have

[PATCH v5 3/8] powerpc/mm/ptdump: debugfs handler for W+X checks at runtime

2020-02-25 Thread Russell Currey
Very rudimentary, just echo 1 > [debugfs]/check_wx_pages and check the kernel log. Useful for testing strict module RWX. Updated the Kconfig entry to reflect this. Also fixed a typo. Signed-off-by: Russell Currey --- arch/powerpc/Kconfig.debug | 6 --