On 2014.11.17 at 13:02 -0800, Kees Cook wrote: > On Mon, Nov 17, 2014 at 5:58 AM, Ingo Molnar wrote: > > > > * Markus Trippelsdorf wrote: > > > >> On 2014.11.17 at 08:42 +0100, Markus Trippelsdorf wrote: > >> > On 2014.11.16 at 10:07 +0100, Ingo Molnar wrote: > >> > > > >> > > Junjie Mao (1): > >> > > x86, kaslr: Prevent .bss from overlaping initrd > >> > > >> > This breaks the build for me: > >> > ... > >> > OBJCOPY arch/x86/boot/compressed/vmlinux.bin > >> > HOSTCC arch/x86/boot/compressed/mkpiggy > >> > CC arch/x86/boot/compressed/cpuflags.o > >> > CC arch/x86/boot/version.o > >> > CC arch/x86/boot/video-vga.o > >> > CC arch/x86/boot/video-vesa.o > >> > CC arch/x86/boot/video-bios.o > >> > LZ4 arch/x86/boot/compressed/vmlinux.bin.lz4 > >> > HOSTCC arch/x86/boot/tools/build > >> > CPUSTR arch/x86/boot/cpustr.h > >> > CC arch/x86/boot/cpu.o > >> > .bss and .brk lack common file offset > >> > .bss and .brk lack common file offset > >> > .bss and .brk lack common file offset > >> > .bss and .brk lack common file offset > >> > MKPIGGY arch/x86/boot/compressed/piggy.S > >> > Usage: arch/x86/boot/compressed/mkpiggy compressed_file run_size > >> > arch/x86/boot/compressed/Makefile:86: recipe for target 'arch/x86/boot/compressed/piggy.S' failed > > > > Oops ... > > > >> from my config: > >> # CONFIG_BLK_DEV_INITRD is not set > >> > >> So only running calc_run_size.pl when CONFIG_BLK_DEV_INITRD is set would > >> probably fix the issue. > > > > I've Cc:-ed Junjie Mao and Kees Cook as well. > > Eek, well, the warning worked, at least (".bss and .brk lack common > file offset") since that was kind of an assumption in the script I > wanted to make sure we'd catch if it wasn't true. > > Can you send your full .config? I built without CONFIG_BLK_DEV_INITRD, > and it didn't fail, so something else must be tickling this... I already send it to the list, but I have attached it again. -- Markus