On Mon, Oct 3, 2016 at 5:18 PM, Michael Ellerman <mpe@xxxxxxxxxxxxxx> wrote: > Kees Cook <keescook@xxxxxxxxxxxx> writes: > >> On Mon, Oct 3, 2016 at 9:13 AM, Denys Vlasenko <dvlasenk@xxxxxxxxxx> wrote: >>> On 32-bit powerpc the ELF PLT sections of binaries (built with --bss-plt, >>> or with a toolchain which defaults to it) look like this: > ... >>> >>> Signed-off-by: Jason Gunthorpe <jgunthorpe@xxxxxxxxxxxxxxxxxxxx> >>> Signed-off-by: Denys Vlasenko <dvlasenk@xxxxxxxxxx> >>> Acked-by: Kees Cook <keescook@xxxxxxxxxxxx> >>> Acked-by: Michael Ellerman <mpe@xxxxxxxxxxxxxx> >>> CC: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx> >>> CC: Paul Mackerras <paulus@xxxxxxxxx> >>> CC: "Aneesh Kumar K.V" <aneesh.kumar@xxxxxxxxxxxxxxxxxx> >>> CC: Kees Cook <keescook@xxxxxxxxxxxx> >>> CC: Oleg Nesterov <oleg@xxxxxxxxxx> >>> CC: Michael Ellerman <mpe@xxxxxxxxxxxxxx> >>> CC: Florian Weimer <fweimer@xxxxxxxxxx> >>> CC: linux-mm@xxxxxxxxx >>> CC: linuxppc-dev@xxxxxxxxxxxxxxxx >>> CC: linux-kernel@xxxxxxxxxxxxxxx >>> --- >>> Changes since v5: >>> * made do_brk_flags() error out if any bits other than VM_EXEC are set. >>> (Kees Cook: "With this, I'd be happy to Ack.") >>> See https://patchwork.ozlabs.org/patch/661595/ >> >> Excellent, thanks for the v6! Should this go via the ppc tree or the -mm tree? > > -mm would be best, given the diffstat I think it's less likely to > conflict if it goes via -mm. Okay, excellent. Andrew, do you have this already in email? I think you weren't on the explicit CC from the v6... -Kees -- Kees Cook Nexus Security -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>