On 11/17/16, Michael Ellerman <m...@ellerman.id.au> wrote: > Denis Kirjanov <k...@linux-powerpc.org> writes: > >> On Friday, September 30, 2016, Christophe Leroy <christophe.le...@c-s.fr> >> wrote: >> >>> Add HAVE_CC_STACKPROTECTOR to powerpc. This is copied from ARM. >>> >>> Not tested on PPC64, compile ok with ppc64_ >> >> >> Hi Christophe, >> >> are you going to test it on ppc64? If not, I can take it
Not yet, I've broken my test machine :/ I need some time to recover > > Did you get around to testing it? > > It seems to be working here: > > root@mpe-ubuntu-le:/sys/kernel/debug/provoke-crash# echo CORRUPT_STACK > > DIRECT > Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: > c000000000671ed8 > > CPU: 1 PID: 3835 Comm: bash Not tainted > 4.9.0-rc5-compiler_gcc-6.2.0-00075-gf41db6c7a3c8-dirty #464 > Call Trace: > [c0000000dbf73a30] [c000000000541728] dump_stack+0xb8/0x100 (unreliable) > > [c0000000dbf73a70] [c000000000219ba8] panic+0x14c/0x320 > [c0000000dbf73b10] [c0000000000c27ec] __stack_chk_fail+0x2c/0x30 > [c0000000dbf73b70] [c000000000671ed8] lkdtm_CORRUPT_STACK+0x88/0x90 > [c0000000dbf73bf0] [6161616161616161] 0x6161616161616161 > Rebooting in 10 seconds.. > > > cheers >
