# git rev-parse -q --verify 80a77045daacc660659093b312ca0708b53ed558^{commit} 80a77045daacc660659093b312ca0708b53ed558 already have revision, skipping fetch # git checkout -q -f -B kisskb 80a77045daacc660659093b312ca0708b53ed558 # git clean -qxdf # git log -1 commit 80a77045daacc660659093b312ca0708b53ed558 Merge: ab29b33 8e1f74e Author: Linus Torvalds Date: Wed Sep 7 14:03:49 2016 -0700 Merge tag 'usercopy-v4.8-rc6-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux Pull more hardened usercopyfixes from Kees Cook: - force check_object_size() to be inline too - move page-spanning check behind a CONFIG since it's triggering false positives [ Changed the page-spanning config option to depend on EXPERT in the merge. That way it still gets build testing, and you can enable it if you want to, but is never enabled for "normal" configurations ] * tag 'usercopy-v4.8-rc6-part2' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: usercopy: remove page-spanning test for now usercopy: force check_object_size() inline # < /opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-gcc --version # < git log --format=%s --max-count=1 80a77045daacc660659093b312ca0708b53ed558 # < make -j 10 ARCH=powerpc O=/home/kisskb/slave/build/linus_powerpc-allnoconfig_powerpc CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- allnoconfig # make -j 10 ARCH=powerpc O=/home/kisskb/slave/build/linus_powerpc-allnoconfig_powerpc CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux- make[1]: Entering directory '/home/kisskb/slave/build/linus_powerpc-allnoconfig_powerpc' GEN ./Makefile scripts/kconfig/conf --silentoldconfig Kconfig CHK include/config/kernel.release GEN ./Makefile UPD include/config/kernel.release WRAP arch/powerpc/include/generated/asm/clkdev.h WRAP arch/powerpc/include/generated/asm/div64.h WRAP arch/powerpc/include/generated/asm/irq_regs.h WRAP arch/powerpc/include/generated/asm/irq_work.h WRAP arch/powerpc/include/generated/asm/local64.h WRAP arch/powerpc/include/generated/asm/mcs_spinlock.h WRAP arch/powerpc/include/generated/asm/preempt.h WRAP arch/powerpc/include/generated/asm/rwsem.h WRAP arch/powerpc/include/generated/asm/vtime.h CHK include/generated/uapi/linux/version.h UPD include/generated/uapi/linux/version.h CHK include/generated/utsrelease.h UPD include/generated/utsrelease.h Using /home/kisskb/slave/src as source for kernel HOSTCC scripts/dtc/dtc.o HOSTCC scripts/dtc/flattree.o CC scripts/mod/empty.o HOSTCC scripts/mod/mk_elfconfig HOSTCC scripts/dtc/fstree.o HOSTCC scripts/dtc/data.o CC scripts/mod/devicetable-offsets.s HOSTCC scripts/dtc/livetree.o HOSTCC scripts/dtc/treesource.o HOSTCC scripts/dtc/srcpos.o HOSTCC scripts/dtc/checks.o HOSTCC scripts/dtc/util.o GEN scripts/mod/devicetable-offsets.h SHIPPED scripts/dtc/dtc-lexer.lex.c SHIPPED scripts/dtc/dtc-parser.tab.h MKELF scripts/mod/elfconfig.h SHIPPED scripts/dtc/dtc-parser.tab.c HOSTCC scripts/mod/modpost.o HOSTCC scripts/mod/file2alias.o HOSTCC scripts/dtc/dtc-lexer.lex.o HOSTCC scripts/dtc/dtc-parser.tab.o HOSTCC scripts/mod/sumversion.o HOSTLD scripts/dtc/dtc HOSTLD scripts/mod/modpost CHK include/generated/timeconst.h CC kernel/bounds.s UPD include/generated/timeconst.h CHK include/generated/bounds.h UPD include/generated/bounds.h CC arch/powerpc/kernel/asm-offsets.s CHK include/generated/asm-offsets.h UPD include/generated/asm-offsets.h CALL /home/kisskb/slave/src/scripts/checksyscalls.sh LD usr/built-in.o CC init/main.o CHK include/generated/compile.h CC init/do_mounts.o CC init/noinitramfs.o CC init/init_task.o UPD include/generated/compile.h CC init/version.o CC arch/powerpc/mm/fault.o LD arch/powerpc/sysdev/built-in.o AS arch/powerpc/lib/string.o CC arch/powerpc/lib/alloc.o LD arch/powerpc/platforms/built-in.o CC arch/powerpc/kernel/cputable.o AS arch/powerpc/lib/crtsavres.o LD arch/powerpc/math-emu/built-in.o CC arch/powerpc/lib/ppc_ksyms.o CC arch/powerpc/kernel/ptrace.o CC arch/powerpc/lib/code-patching.o CC arch/powerpc/mm/mem.o CC arch/powerpc/mm/pgtable.o CC arch/powerpc/kernel/syscalls.o CC arch/powerpc/mm/mmap.o CC arch/powerpc/mm/init_32.o CC arch/powerpc/mm/pgtable_32.o CC arch/powerpc/lib/feature-fixups.o CC arch/powerpc/kernel/irq.o CC arch/powerpc/kernel/align.o CC arch/powerpc/mm/ppc_mmu_32.o CC arch/powerpc/kernel/signal_32.o CC arch/powerpc/kernel/pmc.o LD init/mounts.o CC arch/powerpc/kernel/vdso.o LD init/built-in.o CC arch/powerpc/kernel/process.o CPP arch/powerpc/kernel/systbl_chk.i AS arch/powerpc/lib/div64.o CC arch/powerpc/kernel/idle.o AS arch/powerpc/lib/copy_32.o LD arch/powerpc/crypto/built-in.o AS arch/powerpc/lib/checksum_32.o LD arch/powerpc/net/built-in.o CC arch/powerpc/lib/checksum_wrappers.o CC arch/powerpc/kernel/signal.o CC kernel/fork.o AS arch/powerpc/mm/hash_low_32.o LD arch/powerpc/lib/built-in.o CC arch/powerpc/mm/mmu_context_hash32.o CC arch/powerpc/kernel/sysfs.o LD certs/built-in.o CC arch/powerpc/mm/tlb_hash32.o CC arch/powerpc/kernel/cacheinfo.o CC arch/powerpc/kernel/time.o CC mm/filemap.o CC mm/mempool.o CC fs/open.o CC arch/powerpc/kernel/prom.o LD ipc/built-in.o CC security/commoncap.o CC arch/powerpc/mm/hugetlbpage.o CC arch/powerpc/kernel/traps.o CC arch/powerpc/kernel/setup-common.o CC mm/oom_kill.o LD arch/powerpc/mm/built-in.o CC fs/read_write.o CC arch/powerpc/kernel/udbg.o CC fs/file_table.o CC kernel/exec_domain.o CC security/min_addr.o CC fs/super.o CC fs/char_dev.o AS arch/powerpc/kernel/misc.o CC arch/powerpc/kernel/io.o CC fs/stat.o LD security/built-in.o CC mm/maccess.o CC kernel/panic.o CC fs/exec.o LD crypto/built-in.o LD block/built-in.o CC arch/powerpc/kernel/dma.o AS arch/powerpc/kernel/misc_32.o LD drivers/amba/built-in.o LD drivers/auxdisplay/built-in.o CC fs/pipe.o CC drivers/base/component.o CC drivers/base/core.o CC mm/page_alloc.o CC mm/page-writeback.o LD drivers/block/built-in.o CC drivers/base/bus.o CC kernel/cpu.o CC fs/namei.o CC arch/powerpc/kernel/of_platform.o CC fs/fcntl.o CC arch/powerpc/kernel/prom_parse.o CC kernel/exit.o CC kernel/softirq.o LD sound/built-in.o CC fs/ioctl.o LD firmware/built-in.o CC drivers/base/dd.o LD net/built-in.o CC drivers/base/syscore.o CC fs/readdir.o LDS arch/powerpc/kernel/vdso32/vdso32.lds VDSO32A arch/powerpc/kernel/vdso32/sigtramp.o VDSO32A arch/powerpc/kernel/vdso32/gettimeofday.o VDSO32A arch/powerpc/kernel/vdso32/datapage.o VDSO32A arch/powerpc/kernel/vdso32/cacheflush.o CC fs/select.o VDSO32A arch/powerpc/kernel/vdso32/note.o CC fs/dcache.o VDSO32L arch/powerpc/kernel/vdso32/vdso32.so.dbg OBJCOPY arch/powerpc/kernel/vdso32/vdso32.so AS arch/powerpc/kernel/vdso32/vdso32_wrapper.o LD arch/powerpc/kernel/vdso32/built-in.o AS arch/powerpc/kernel/idle_6xx.o CC drivers/base/driver.o AS arch/powerpc/kernel/l2cr_6xx.o CC fs/inode.o AS arch/powerpc/kernel/cpu_setup_6xx.o AS arch/powerpc/kernel/entry_32.o CC arch/powerpc/kernel/setup_32.o CC arch/powerpc/kernel/pci_32.o CC mm/readahead.o CC drivers/base/class.o CC kernel/resource.o /home/kisskb/slave/src/mm/page_alloc.c: In function 'free_area_init_node': /home/kisskb/slave/src/mm/page_alloc.c:5630:17: warning: 'zone_start_pfn' may be used uninitialized in this function [-Wuninitialized] CC mm/swap.o CC drivers/base/platform.o CC arch/powerpc/kernel/pci-common.o CC mm/truncate.o CC mm/vmscan.o CC mm/shmem.o CC mm/util.o CC drivers/base/cpu.o CC kernel/sysctl.o CC fs/attr.o CC drivers/base/firmware.o CC mm/mmzone.o CC fs/bad_inode.o LD virt/lib/built-in.o CC lib/lockref.o LD virt/built-in.o CC kernel/sysctl_binary.o CC lib/bcd.o CC kernel/capability.o CC lib/div64.o CC arch/powerpc/kernel/pci_of_scan.o CC drivers/base/init.o CC drivers/base/map.o LD drivers/bus/built-in.o CC mm/vmstat.o CC fs/file.o CC kernel/ptrace.o CC kernel/user.o CC lib/sort.o CC lib/parser.o CC lib/halfmd4.o CC lib/debug_locks.o CC drivers/base/devres.o CC mm/backing-dev.o CC mm/mm_init.o CC mm/mmu_context.o CC arch/powerpc/kernel/iomap.o AS arch/powerpc/kernel/head_32.o CC lib/random32.o CC mm/percpu.o CC mm/slab_common.o CC kernel/signal.o CC kernel/sys.o CC drivers/base/attribute_container.o CC lib/bust_spinlocks.o CC fs/filesystems.o LDS arch/powerpc/kernel/vmlinux.lds AS arch/powerpc/kernel/fpu.o CC lib/kasprintf.o CALL /home/kisskb/slave/src/arch/powerpc/kernel/systbl_chk.sh AS arch/powerpc/kernel/systbl.o LD arch/powerpc/kernel/built-in.o CC drivers/base/transport_class.o CC mm/compaction.o CC drivers/base/topology.o CC lib/bitmap.o CC lib/scatterlist.o CC kernel/kmod.o CC kernel/workqueue.o CC fs/namespace.o CC fs/seq_file.o CC drivers/base/container.o CC mm/vmacache.o CC drivers/base/property.o CC lib/gcd.o LD drivers/cdrom/built-in.o CC lib/lcm.o CC lib/list_sort.o CC lib/uuid.o CC drivers/char/mem.o CC lib/flex_array.o CC mm/interval_tree.o CC lib/iov_iter.o CC drivers/base/cacheinfo.o CC fs/xattr.o LD drivers/clk/bcm/built-in.o LD drivers/clk/mvebu/built-in.o LD drivers/clk/ti/built-in.o LD drivers/clk/built-in.o LD drivers/clocksource/built-in.o LD drivers/firewire/built-in.o LD drivers/firmware/broadcom/built-in.o LD drivers/firmware/built-in.o CC drivers/char/random.o CC mm/list_lru.o LD drivers/gpu/drm/bridge/built-in.o LD drivers/gpu/vga/built-in.o LD drivers/gpu/drm/hisilicon/built-in.o LD drivers/gpu/drm/i2c/built-in.o LD drivers/base/power/built-in.o CC fs/libfs.o LD drivers/gpu/drm/omapdrm/displays/built-in.o LD drivers/gpu/drm/omapdrm/dss/built-in.o LD drivers/gpu/drm/omapdrm/built-in.o CC fs/fs-writeback.o LD drivers/gpu/drm/panel/built-in.o LD drivers/gpu/drm/tilcdc/built-in.o LD drivers/gpu/drm/built-in.o LD drivers/gpu/built-in.o CC drivers/base/dma-mapping.o CC mm/workingset.o CC mm/debug.o CC kernel/pid.o CC kernel/task_work.o LD drivers/base/built-in.o CC kernel/extable.o CC kernel/params.o CC fs/pnode.o CC lib/clz_ctz.o CC lib/bsearch.o CC lib/find_bit.o CC mm/gup.o CC lib/llist.o CC drivers/char/misc.o CC kernel/kthread.o CC mm/highmem.o CC kernel/sys_ni.o CC lib/memweight.o CC lib/kfifo.o CC fs/splice.o CC kernel/nsproxy.o CC kernel/notifier.o CC fs/sync.o CC kernel/ksysfs.o LD drivers/char/agp/built-in.o LD drivers/char/built-in.o LD drivers/hwtracing/intel_th/built-in.o CC kernel/cred.o LD drivers/i2c/algos/built-in.o LD drivers/i2c/busses/built-in.o LD drivers/i2c/muxes/built-in.o LD drivers/i2c/built-in.o LD drivers/idle/built-in.o CC drivers/irqchip/irqchip.o CC kernel/reboot.o CC mm/memory.o CC lib/percpu-refcount.o CC mm/mincore.o CC mm/mlock.o CC kernel/async.o LD drivers/irqchip/built-in.o CC fs/utimes.o LD drivers/lguest/built-in.o LD drivers/macintosh/built-in.o LD drivers/media/common/b2c2/built-in.o LD drivers/media/common/saa7146/built-in.o LD drivers/media/common/siano/built-in.o LD drivers/media/common/v4l2-tpg/built-in.o LD drivers/media/common/built-in.o LD drivers/media/firewire/built-in.o LD drivers/media/i2c/soc_camera/built-in.o CC lib/percpu_ida.o LD drivers/media/i2c/built-in.o LD drivers/mfd/built-in.o LD drivers/media/mmc/siano/built-in.o LD drivers/media/mmc/built-in.o LD drivers/media/pci/b2c2/built-in.o LD drivers/misc/cb710/built-in.o LD drivers/mmc/built-in.o LD drivers/media/pci/ddbridge/built-in.o LD drivers/misc/eeprom/built-in.o LD drivers/net/built-in.o LD drivers/media/pci/dm1105/built-in.o LD drivers/misc/lis3lv02d/built-in.o LD drivers/nfc/built-in.o LD drivers/media/pci/mantis/built-in.o CC mm/mmap.o LD drivers/misc/mic/bus/built-in.o CC kernel/range.o LD drivers/media/pci/netup_unidvb/built-in.o LD drivers/misc/mic/built-in.o LD drivers/media/pci/ngene/built-in.o LD drivers/misc/ti-st/built-in.o LD drivers/misc/built-in.o LD drivers/media/pci/pluto2/built-in.o CC mm/mprotect.o LD drivers/media/pci/pt1/built-in.o LD drivers/media/pci/pt3/built-in.o LD drivers/media/pci/saa7146/built-in.o LD drivers/media/pci/smipcie/built-in.o CC lib/rhashtable.o LD drivers/media/pci/ttpci/built-in.o LD drivers/media/pci/built-in.o CC kernel/smpboot.o LD drivers/media/platform/omap/built-in.o LD drivers/media/platform/built-in.o LD drivers/media/rc/keymaps/built-in.o CC fs/stack.o LD drivers/media/rc/built-in.o LD drivers/media/tuners/built-in.o LD drivers/nvme/host/built-in.o LD drivers/nvme/target/built-in.o LD drivers/nvme/built-in.o LD drivers/media/usb/b2c2/built-in.o LD drivers/media/usb/dvb-usb/built-in.o CC drivers/of/base.o LD drivers/media/usb/dvb-usb-v2/built-in.o LD drivers/media/usb/s2255/built-in.o CC drivers/pci/access.o LD drivers/media/usb/siano/built-in.o LD drivers/media/usb/stkwebcam/built-in.o LD drivers/media/usb/ttusb-budget/built-in.o CC mm/mremap.o LD drivers/media/usb/ttusb-dec/built-in.o LD drivers/media/usb/zr364xx/built-in.o LD drivers/media/usb/built-in.o LD drivers/media/built-in.o LD drivers/platform/built-in.o CC fs/fs_struct.o LD drivers/power/built-in.o LD drivers/pwm/built-in.o LD drivers/soc/bcm/built-in.o LD drivers/soc/fsl/built-in.o LD drivers/soc/built-in.o LD drivers/tty/ipwireless/built-in.o LD drivers/tty/serial/built-in.o CC kernel/irq/irqdesc.o LD drivers/tty/vt/built-in.o LD drivers/tty/built-in.o CC fs/statfs.o LD drivers/usb/host/built-in.o LD drivers/usb/built-in.o CC kernel/irq/handle.o LD drivers/video/backlight/built-in.o LD drivers/video/fbdev/core/built-in.o LD drivers/video/fbdev/omap2/omapfb/displays/built-in.o LD drivers/video/fbdev/omap2/omapfb/dss/built-in.o LD drivers/video/fbdev/omap2/omapfb/built-in.o LD drivers/video/fbdev/omap2/built-in.o LD drivers/video/fbdev/built-in.o LD drivers/video/built-in.o CC kernel/irq/manage.o CC lib/reciprocal_div.o CC mm/msync.o CC kernel/irq/spurious.o CC drivers/of/device.o CC lib/once.o CC fs/fs_pin.o CC drivers/pci/bus.o CC drivers/of/platform.o CC drivers/of/fdt.o CC lib/string_helpers.o CC lib/hexdump.o CC mm/rmap.o CC fs/nsfs.o CC drivers/of/fdt_address.o CC drivers/of/address.o CC drivers/pci/probe.o CC drivers/of/irq.o CC kernel/irq/resend.o CC fs/no-block.o CC drivers/of/of_pci.o CC drivers/pci/host-bridge.o LD fs/devpts/built-in.o LD fs/exofs/built-in.o LD fs/notify/dnotify/built-in.o CC kernel/irq/chip.o LD fs/notify/fanotify/built-in.o LD fs/notify/inotify/built-in.o CC lib/kstrtox.o CC kernel/irq/dummychip.o LD fs/notify/built-in.o LD fs/quota/built-in.o CC fs/ramfs/inode.o CC lib/pci_iomap.o CC lib/iomap_copy.o CC lib/devres.o CC lib/hweight.o CC mm/vmalloc.o CC drivers/of/of_pci_irq.o CC kernel/irq/devres.o CC fs/binfmt_elf.o CC mm/pagewalk.o CC fs/ramfs/file-mmu.o LD kernel/livepatch/built-in.o CC kernel/locking/mutex.o CC kernel/power/qos.o CC kernel/irq/irqdomain.o CC drivers/of/of_reserved_mem.o CC drivers/pci/remove.o CC lib/bitrev.o LD fs/ramfs/ramfs.o LD fs/ramfs/built-in.o CC kernel/locking/semaphore.o HOSTCC lib/gen_crc32table CC kernel/locking/rwsem.o CC lib/syscall.o CC mm/pgtable-generic.o LD drivers/of/built-in.o CC lib/atomic64.o CC drivers/pci/pci.o CC drivers/pci/pci-driver.o LD kernel/power/built-in.o CC drivers/pci/search.o LD fs/built-in.o LD kernel/irq/built-in.o CC drivers/pci/pci-sysfs.o CC mm/init-mm.o CC kernel/locking/percpu-rwsem.o CC lib/strncpy_from_user.o CC lib/strnlen_user.o CC lib/argv_split.o CC lib/chacha20.o CC mm/nobootmem.o CC kernel/locking/rwsem-xadd.o CC kernel/printk/printk.o CC lib/cmdline.o CC lib/ctype.o CC mm/memblock.o CC lib/dec_and_lock.o CC kernel/rcu/update.o CC kernel/sched/core.o CC kernel/sched/loadavg.o CC lib/decompress.o CC lib/dma-noop.o LD kernel/locking/built-in.o CC kernel/time/time.o CC kernel/rcu/sync.o CC kernel/rcu/tiny.o CC drivers/pci/rom.o /home/kisskb/slave/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl': /home/kisskb/slave/src/kernel/printk/printk.c:183:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] CC lib/dump_stack.o CC mm/dmapool.o LD kernel/printk/built-in.o CC kernel/dma.o CC kernel/up.o CC lib/earlycpio.o CC lib/extable.o LD kernel/rcu/built-in.o CC lib/fdt.o CC lib/fdt_empty_tree.o CC lib/fdt_ro.o CC kernel/elfcore.o CC kernel/sched/clock.o CC kernel/memremap.o CC lib/fdt_rw.o CC mm/slub.o CC kernel/sched/cputime.o CC kernel/time/timer.o CC lib/fdt_strerror.o CC lib/fdt_sw.o CC lib/fdt_wip.o CC lib/flex_proportions.o CC drivers/pci/setup-res.o CC drivers/pci/irq.o CC drivers/pci/vpd.o CC drivers/pci/setup-bus.o CC lib/idr.o CC kernel/sched/idle_task.o CC kernel/sched/fair.o CC kernel/sched/rt.o CC drivers/pci/vc.o CC drivers/pci/syscall.o CC drivers/pci/of.o CC kernel/time/hrtimer.o CC kernel/sched/deadline.o CC lib/int_sqrt.o CC lib/ioremap.o CC lib/irq_regs.o CC kernel/sched/stop_task.o CC kernel/time/itimer.o LD drivers/pci/host/built-in.o CC kernel/time/posix-timers.o CC lib/is_single_threaded.o CC kernel/sched/wait.o LD mm/built-in.o CC kernel/sched/swait.o CC kernel/time/posix-cpu-timers.o LD drivers/pci/built-in.o LD drivers/built-in.o CC lib/klist.o CC lib/kobject.o CC kernel/time/timekeeping.o CC kernel/sched/completion.o CC kernel/time/ntp.o CC kernel/time/clocksource.o CC kernel/time/jiffies.o CC kernel/time/timer_list.o CC kernel/time/timeconv.o CC kernel/sched/idle.o CC lib/kobject_uevent.o CC lib/md5.o CC kernel/time/timecounter.o CC kernel/time/posix-clock.o CC kernel/time/alarmtimer.o CC kernel/time/clockevents.o CC lib/nmi_backtrace.o CC lib/nodemask.o CC kernel/time/tick-common.o LD kernel/sched/built-in.o CC lib/plist.o CC lib/radix-tree.o CC lib/ratelimit.o CC lib/rbtree.o CC lib/seq_buf.o CC lib/sha1.o CC lib/show_mem.o CC lib/string.o CC lib/timerqueue.o CC lib/vsprintf.o GEN lib/crc32table.h CC lib/crc32.o LD kernel/time/built-in.o LD kernel/built-in.o LD lib/built-in.o AR lib/lib.a LINK vmlinux LD vmlinux.o MODPOST vmlinux.o GEN .version CHK include/generated/compile.h UPD include/generated/compile.h CC init/version.o LD init/built-in.o LD vmlinux SYSMAP System.map /opt/cross/kisskb/gcc-4.6.3-nolibc/powerpc-linux/bin/powerpc-linux-strip -s -R .comment vmlinux -o arch/powerpc/boot/vmlinux.strip make[1]: Leaving directory '/home/kisskb/slave/build/linus_powerpc-allnoconfig_powerpc' Completed OK # rm -rf /home/kisskb/slave/build/linus_powerpc-allnoconfig_powerpc # Build took: 0:00:23.435464