Buildresult: linus/sparc-allnoconfig/sparc64-gcc5 built on Feb 20 2017, 05:35

kisskb

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Status:	OK
Date/Time:	Feb 20 2017, 05:35
Duration:	0:00:23.447017
Builder:	ka3
Revision:	Fix missing sanity check in /dev/sg (`137d01df511b3afe1f05499aea05f3bafc0fb221)`
Target:	linus/sparc-allnoconfig/sparc64-gcc5
Branch:	linus
Compiler:	sparc64-gcc5 (sparc64-linux-gcc.br_real (Buildroot 2016.11-git-00613-ge98b4dd) 5.4.0)
Config:	allnoconfig (download)
Log:	Download original Possible warnings (3) <stdin>:1316:2: warning: #warning syscall pkey_mprotect not implemented [-Wcpp] <stdin>:1319:2: warning: #warning syscall pkey_alloc not implemented [-Wcpp] <stdin>:1322:2: warning: #warning syscall pkey_free not implemented [-Wcpp] Full Log # git rev-parse -q --verify 137d01df511b3afe1f05499aea05f3bafc0fb221^{commit} 137d01df511b3afe1f05499aea05f3bafc0fb221 already have revision, skipping fetch # git checkout -q -f -B kisskb 137d01df511b3afe1f05499aea05f3bafc0fb221 # git clean -qxdf # git log -1 commit 137d01df511b3afe1f05499aea05f3bafc0fb221 Author: Al Viro <viro@ZenIV.linux.org.uk> Date: Sun Feb 19 07:15:27 2017 +0000 Fix missing sanity check in /dev/sg What happens is that a write to /dev/sg is given a request with non-zero ->iovec_count combined with zero ->dxfer_len. Or with ->dxferp pointing to an array full of empty iovecs. Having write permission to /dev/sg shouldn't be equivalent to the ability to trigger BUG_ON() while holding spinlocks... Found by Dmitry Vyukov and syzkaller. [ The BUG_ON() got changed to a WARN_ON_ONCE(), but this fixes the underlying issue. - Linus ] Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Reported-by: Dmitry Vyukov <dvyukov@google.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Cc: stable@vger.kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> # < /opt/cross/kisskb/br-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux-gcc --version # < git log --format=%s --max-count=1 137d01df511b3afe1f05499aea05f3bafc0fb221 # < make -j 10 ARCH=sparc O=/home/kisskb/slave/build/linus_sparc-allnoconfig_sparc64 CROSS_COMPILE=/opt/cross/kisskb/br-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux- allnoconfig # make -j 10 ARCH=sparc O=/home/kisskb/slave/build/linus_sparc-allnoconfig_sparc64 CROSS_COMPILE=/opt/cross/kisskb/br-sparc64-full-2016.08-613-ge98b4dd/bin/sparc64-linux- make[1]: Entering directory '/home/kisskb/slave/build/linus_sparc-allnoconfig_sparc64' GEN ./Makefile scripts/kconfig/conf --silentoldconfig Kconfig CHK include/config/kernel.release UPD include/config/kernel.release GEN ./Makefile WRAP arch/sparc/include/generated/asm/clkdev.h WRAP arch/sparc/include/generated/asm/cputime.h WRAP arch/sparc/include/generated/asm/div64.h WRAP arch/sparc/include/generated/asm/emergency-restart.h WRAP arch/sparc/include/generated/asm/exec.h WRAP arch/sparc/include/generated/asm/export.h WRAP arch/sparc/include/generated/asm/irq_regs.h WRAP arch/sparc/include/generated/asm/irq_work.h WRAP arch/sparc/include/generated/asm/linkage.h WRAP arch/sparc/include/generated/asm/local.h WRAP arch/sparc/include/generated/asm/local64.h WRAP arch/sparc/include/generated/asm/mcs_spinlock.h WRAP arch/sparc/include/generated/asm/mm-arch-hooks.h WRAP arch/sparc/include/generated/asm/module.h WRAP arch/sparc/include/generated/asm/preempt.h WRAP arch/sparc/include/generated/asm/rwsem.h WRAP arch/sparc/include/generated/asm/serial.h WRAP arch/sparc/include/generated/asm/trace_clock.h WRAP arch/sparc/include/generated/asm/types.h WRAP arch/sparc/include/generated/asm/word-at-a-time.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 CC scripts/mod/empty.o HOSTCC scripts/mod/mk_elfconfig CC scripts/mod/devicetable-offsets.s GEN scripts/mod/devicetable-offsets.h MKELF scripts/mod/elfconfig.h HOSTCC scripts/mod/modpost.o HOSTCC scripts/mod/file2alias.o HOSTCC scripts/mod/sumversion.o 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/sparc/kernel/asm-offsets.s CHK include/generated/asm-offsets.h UPD include/generated/asm-offsets.h CALL /home/kisskb/slave/src/scripts/checksyscalls.sh <stdin>:1316:2: warning: #warning syscall pkey_mprotect not implemented [-Wcpp] <stdin>:1319:2: warning: #warning syscall pkey_alloc not implemented [-Wcpp] <stdin>:1322:2: warning: #warning syscall pkey_free not implemented [-Wcpp] CC init/main.o CHK include/generated/compile.h CC init/do_mounts.o CC init/noinitramfs.o CC init/calibrate.o CC init/init_task.o UPD include/generated/compile.h LD usr/built-in.o CC init/version.o LD arch/sparc/crypto/built-in.o CC arch/sparc/math-emu/math_32.o CC arch/sparc/mm/fault_32.o AS arch/sparc/kernel/entry.o CC arch/sparc/mm/init_32.o AS arch/sparc/kernel/wof.o CC kernel/fork.o AS arch/sparc/kernel/wuf.o AS arch/sparc/kernel/etrap_32.o AS arch/sparc/kernel/rtrap_32.o CC arch/sparc/kernel/traps_32.o LD arch/sparc/net/built-in.o CC arch/sparc/kernel/irq_32.o CC arch/sparc/kernel/sun4m_irq.o CC arch/sparc/mm/extable.o CC arch/sparc/mm/srmmu.o CC arch/sparc/mm/iommu.o CC arch/sparc/mm/io-unit.o AS arch/sparc/mm/srmmu_access.o AS arch/sparc/mm/hypersparc.o CC arch/sparc/kernel/sun4d_irq.o AS arch/sparc/mm/viking.o LD certs/built-in.o AS arch/sparc/mm/tsunami.o CC arch/sparc/kernel/process_32.o LD init/mounts.o LD init/built-in.o CC kernel/exec_domain.o CC mm/filemap.o CC kernel/panic.o AS arch/sparc/mm/swift.o CC arch/sparc/mm/leon_mm.o CC arch/sparc/mm/highmem.o CC arch/sparc/kernel/signal_32.o CC kernel/cpu.o CC arch/sparc/kernel/sigutil_32.o CC kernel/exit.o CC kernel/softirq.o CC kernel/resource.o CC kernel/sysctl.o CC arch/sparc/kernel/ioport.o LD arch/sparc/mm/built-in.o CC arch/sparc/kernel/setup_32.o CC arch/sparc/kernel/idprom.o CC fs/open.o CC kernel/sysctl_binary.o CC arch/sparc/kernel/sys_sparc_32.o CC mm/mempool.o LD ipc/built-in.o CC kernel/capability.o CC mm/oom_kill.o AS arch/sparc/kernel/systbls_32.o CC arch/sparc/kernel/time_32.o CC arch/sparc/kernel/windows.o CC security/commoncap.o LD crypto/built-in.o CC mm/maccess.o CC arch/sparc/kernel/cpu.o CC kernel/ptrace.o LD arch/sparc/math-emu/built-in.o CC mm/page_alloc.o LD block/built-in.o CC arch/sparc/kernel/devices.o CC fs/read_write.o CC security/min_addr.o CC arch/sparc/kernel/ptrace_32.o LD drivers/amba/built-in.o LD drivers/auxdisplay/built-in.o CC drivers/base/component.o CC drivers/base/core.o CC fs/file_table.o CC drivers/base/bus.o CC kernel/user.o LD security/built-in.o LD sound/built-in.o CC kernel/signal.o CC fs/super.o LD drivers/block/built-in.o CC mm/page-writeback.o LD drivers/bus/built-in.o LD drivers/cdrom/built-in.o CC fs/char_dev.o CC arch/sparc/kernel/unaligned_32.o CC drivers/char/mem.o CC drivers/char/random.o AS arch/sparc/kernel/una_asm_32.o LD drivers/char/ipmi/built-in.o CC mm/readahead.o CC mm/swap.o CC arch/sparc/kernel/prom_common.o LD firmware/built-in.o CC kernel/sys.o CC drivers/base/dd.o CC fs/stat.o CC arch/sparc/kernel/prom_32.o CC drivers/base/syscore.o CC mm/truncate.o CC arch/sparc/kernel/of_device_common.o CC drivers/char/misc.o CC arch/sparc/kernel/of_device_32.o CC fs/exec.o LD drivers/char/agp/built-in.o CC drivers/base/driver.o CC kernel/kmod.o LD drivers/clk/bcm/built-in.o LD drivers/clk/mvebu/built-in.o LD drivers/clk/ti/built-in.o CC arch/sparc/kernel/leon_kernel.o CC arch/sparc/kernel/leon_pmc.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/meson/built-in.o CC mm/vmscan.o LD drivers/firmware/tegra/built-in.o LD drivers/char/built-in.o CC fs/pipe.o LD drivers/firmware/built-in.o CC drivers/base/class.o CC kernel/workqueue.o CC kernel/pid.o CC mm/shmem.o CC fs/namei.o CC kernel/task_work.o CC arch/sparc/kernel/dma.o CC drivers/base/platform.o CC arch/sparc/kernel/auxio_32.o CC arch/sparc/kernel/apc.o CC arch/sparc/kernel/pmc.o AS arch/sparc/kernel/head_32.o LDS arch/sparc/kernel/vmlinux.lds LD drivers/gpu/drm/bridge/built-in.o CC kernel/extable.o LD drivers/gpu/drm/hisilicon/built-in.o LD drivers/gpu/drm/i2c/built-in.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 LD drivers/gpu/drm/panel/built-in.o LD net/built-in.o LD drivers/gpu/drm/tilcdc/built-in.o LD drivers/gpu/drm/built-in.o LD drivers/gpu/vga/built-in.o CC fs/fcntl.o LD drivers/gpu/built-in.o CC kernel/params.o CC mm/util.o CC kernel/kthread.o LD arch/sparc/kernel/built-in.o LD arch/sparc/built-in.o CC lib/lockref.o CC kernel/sys_ni.o CC kernel/nsproxy.o CC lib/bcd.o CC drivers/base/cpu.o CC lib/div64.o CC drivers/base/firmware.o LD drivers/hwtracing/intel_th/built-in.o CC kernel/notifier.o CC mm/mmzone.o CC fs/ioctl.o CC lib/sort.o CC drivers/base/init.o CC mm/vmstat.o CC lib/parser.o CC mm/backing-dev.o CC mm/mm_init.o CC drivers/base/map.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 LD drivers/irqchip/built-in.o LD drivers/lguest/built-in.o CC kernel/ksysfs.o LD drivers/macintosh/built-in.o CC fs/readdir.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 CC lib/halfmd4.o LD drivers/media/firewire/built-in.o CC drivers/base/devres.o LD drivers/media/i2c/soc_camera/built-in.o LD drivers/media/i2c/built-in.o LD drivers/media/mmc/siano/built-in.o LD drivers/media/mmc/built-in.o LD drivers/mfd/built-in.o CC mm/mmu_context.o CC lib/debug_locks.o LD drivers/media/platform/omap/built-in.o LD drivers/media/platform/built-in.o LD drivers/media/pci/b2c2/built-in.o CC kernel/cred.o LD drivers/media/pci/ddbridge/built-in.o LD drivers/media/pci/dm1105/built-in.o LD drivers/media/pci/mantis/built-in.o LD drivers/media/rc/keymaps/built-in.o LD drivers/media/pci/netup_unidvb/built-in.o LD drivers/media/rc/built-in.o CC arch/sparc/prom/bootstr_32.o CC arch/sparc/prom/console_32.o LD drivers/media/pci/ngene/built-in.o CC lib/random32.o LD drivers/media/pci/pluto2/built-in.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 LD drivers/media/pci/ttpci/built-in.o CC fs/select.o LD drivers/media/pci/built-in.o LD drivers/media/spi/built-in.o CC fs/dcache.o LD drivers/media/tuners/built-in.o LD drivers/media/usb/b2c2/built-in.o LD drivers/media/usb/dvb-usb/built-in.o LD drivers/media/usb/dvb-usb-v2/built-in.o LD drivers/media/usb/s2255/built-in.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/percpu.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/misc/cb710/built-in.o LD drivers/media/built-in.o LD drivers/misc/eeprom/built-in.o CC fs/inode.o LD drivers/misc/lis3lv02d/built-in.o CC mm/slab_common.o CC arch/sparc/prom/init_32.o CC lib/bust_spinlocks.o LD drivers/misc/mic/bus/built-in.o LD drivers/misc/mic/built-in.o LD drivers/misc/ti-st/built-in.o LD drivers/misc/built-in.o CC arch/sparc/lib/atomic32.o CC drivers/base/attribute_container.o CC kernel/reboot.o CC arch/sparc/prom/memory.o CC lib/kasprintf.o CC arch/sparc/lib/ucmpdi2.o CC arch/sparc/prom/misc_32.o AS arch/sparc/lib/ashldi3.o CC lib/bitmap.o AS arch/sparc/lib/ashrdi3.o CC drivers/base/transport_class.o CC arch/sparc/lib/bitext.o CC drivers/base/topology.o AS arch/sparc/lib/blockops.o AS arch/sparc/lib/checksum_32.o CC arch/sparc/lib/cmpdi2.o CC kernel/async.o CC arch/sparc/prom/mp.o CC fs/attr.o CC arch/sparc/prom/printf.o AS arch/sparc/lib/copy_user.o AS arch/sparc/lib/divdi3.o CC mm/compaction.o CC drivers/base/container.o AS arch/sparc/lib/locks.o AS arch/sparc/lib/lshrdi3.o AS arch/sparc/lib/memcmp.o AS arch/sparc/lib/memcpy.o AS arch/sparc/lib/memscan_32.o CC kernel/range.o AS arch/sparc/lib/memset.o AS arch/sparc/lib/muldi3.o AS arch/sparc/lib/strlen.o LD virt/lib/built-in.o LD virt/built-in.o LD drivers/mmc/built-in.o CC lib/scatterlist.o CC arch/sparc/prom/ranges.o CC arch/sparc/prom/tree_32.o CC lib/gcd.o AS arch/sparc/lib/strncmp_32.o AS arch/sparc/lib/udivdi3.o AR arch/sparc/lib/lib.a EXPORTS arch/sparc/lib/lib-ksyms.o CC fs/bad_inode.o LD arch/sparc/lib/built-in.o CC fs/file.o CC kernel/smpboot.o CC drivers/base/property.o CC drivers/base/cacheinfo.o CC fs/filesystems.o CC mm/vmacache.o CC kernel/ucount.o CC fs/namespace.o AR arch/sparc/prom/lib.a EXPORTS arch/sparc/prom/lib-ksyms.o LD arch/sparc/prom/built-in.o CC lib/lcm.o CC lib/list_sort.o CC lib/uuid.o CC lib/flex_array.o CC mm/interval_tree.o LD drivers/base/power/built-in.o CC kernel/irq/irqdesc.o LD kernel/livepatch/built-in.o CC lib/iov_iter.o CC mm/list_lru.o CC kernel/irq/handle.o CC lib/clz_ctz.o CC kernel/irq/manage.o CC fs/seq_file.o LD drivers/base/test/built-in.o CC lib/bsearch.o CC lib/find_bit.o CC kernel/irq/spurious.o CC kernel/irq/resend.o LD drivers/net/built-in.o LD drivers/nfc/built-in.o CC kernel/irq/chip.o CC drivers/base/dma-mapping.o CC mm/workingset.o CC mm/debug.o CC kernel/irq/dummychip.o CC lib/llist.o CC kernel/irq/devres.o CC mm/gup.o LD drivers/base/built-in.o CC fs/xattr.o CC kernel/locking/mutex.o LD drivers/nvme/host/built-in.o LD drivers/nvme/target/built-in.o LD drivers/nvme/built-in.o CC kernel/locking/semaphore.o CC drivers/of/base.o CC fs/libfs.o CC fs/fs-writeback.o LD kernel/irq/built-in.o CC kernel/locking/rwsem.o CC lib/memweight.o LD drivers/platform/built-in.o CC lib/kfifo.o LD drivers/power/built-in.o CC kernel/locking/percpu-rwsem.o CC kernel/power/qos.o CC kernel/printk/printk.o CC kernel/rcu/update.o CC mm/highmem.o CC kernel/locking/rwsem-spinlock.o CC mm/memory.o CC kernel/rcu/sync.o LD drivers/ptp/built-in.o CC mm/mincore.o CC drivers/of/device.o CC fs/pnode.o LD kernel/locking/built-in.o CC fs/splice.o CC lib/percpu-refcount.o LD kernel/power/built-in.o CC kernel/rcu/tiny.o CC drivers/of/platform.o CC drivers/of/pdt.o LD kernel/printk/built-in.o CC kernel/sched/core.o CC lib/percpu_ida.o CC lib/rhashtable.o LD drivers/pwm/built-in.o CC kernel/time/time.o LD kernel/rcu/built-in.o CC drivers/rtc/rtc-lib.o CC drivers/rtc/systohc.o LD drivers/sbus/char/built-in.o LD drivers/sbus/built-in.o CC lib/reciprocal_div.o LD drivers/of/built-in.o CC kernel/sched/loadavg.o CC kernel/time/timer.o CC kernel/time/hrtimer.o CC kernel/dma.o CC drivers/rtc/class.o CC kernel/up.o CC fs/sync.o LD drivers/soc/bcm/built-in.o LD drivers/soc/fsl/built-in.o LD drivers/soc/built-in.o CC fs/utimes.o LD drivers/tty/ipwireless/built-in.o LD drivers/tty/serial/built-in.o LD drivers/tty/vt/built-in.o LD drivers/tty/built-in.o CC kernel/sched/clock.o CC kernel/sched/cputime.o CC drivers/rtc/interface.o CC mm/mlock.o CC lib/once.o CC kernel/sched/idle_task.o CC kernel/time/timekeeping.o CC kernel/time/ntp.o CC lib/string_helpers.o CC kernel/time/clocksource.o CC fs/stack.o CC fs/fs_struct.o CC fs/statfs.o CC kernel/sched/fair.o CC lib/hexdump.o CC drivers/rtc/rtc-m48t59.o CC mm/mmap.o LD drivers/video/backlight/built-in.o CC kernel/time/jiffies.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/time/timer_list.o CC mm/mprotect.o CC fs/fs_pin.o CC lib/kstrtox.o CC kernel/sched/rt.o LD drivers/rtc/rtc-core.o LD drivers/rtc/built-in.o LD drivers/built-in.o CC kernel/sched/deadline.o CC kernel/sched/stop_task.o CC fs/nsfs.o CC fs/no-block.o CC kernel/sched/wait.o CC lib/pci_iomap.o CC lib/iomap_copy.o CC lib/devres.o CC lib/hweight.o LD fs/devpts/built-in.o LD fs/exofs/built-in.o CC lib/syscall.o CC kernel/time/timeconv.o LD fs/notify/dnotify/built-in.o CC lib/atomic64.o LD fs/notify/fanotify/built-in.o LD fs/notify/inotify/built-in.o LD fs/notify/built-in.o LD fs/quota/built-in.o CC fs/ramfs/inode.o CC kernel/time/timecounter.o CC kernel/time/alarmtimer.o CC kernel/time/posix-stubs.o CC kernel/time/clockevents.o CC fs/ramfs/file-mmu.o CC kernel/time/tick-common.o CC kernel/sched/swait.o CC lib/strncpy_from_user.o CC lib/strnlen_user.o CC kernel/sched/completion.o CC mm/mremap.o CC lib/argv_split.o CC mm/msync.o LD fs/ramfs/ramfs.o LD fs/ramfs/built-in.o LD fs/built-in.o CC lib/chacha20.o CC lib/clz_tab.o CC kernel/memremap.o CC lib/cmdline.o CC kernel/sched/idle.o CC mm/rmap.o CC mm/vmalloc.o LD kernel/time/built-in.o CC lib/ctype.o CC lib/dec_and_lock.o CC mm/pagewalk.o CC lib/decompress.o CC mm/pgtable-generic.o CC mm/init-mm.o CC lib/dma-noop.o CC mm/bootmem.o CC mm/dmapool.o CC mm/slub.o CC lib/dump_stack.o LD kernel/sched/built-in.o LD kernel/built-in.o CC lib/earlycpio.o CC lib/extable.o CC lib/flex_proportions.o CC lib/idr.o CC lib/int_sqrt.o CC lib/ioremap.o CC lib/irq_regs.o CC lib/is_single_threaded.o CC lib/klist.o CC lib/kobject.o CC lib/kobject_uevent.o CC lib/md5.o CC lib/nmi_backtrace.o CC lib/nodemask.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 CC lib/win_minmax.o LD mm/built-in.o AR lib/lib.a EXPORTS lib/lib-ksyms.o LD lib/built-in.o GEN .version CHK include/generated/compile.h UPD include/generated/compile.h CC init/version.o LD init/built-in.o LD vmlinux.o MODPOST vmlinux.o LD vmlinux SYSMAP System.map STRIP arch/sparc/boot/image kernel: arch/sparc/boot/image is ready STRIP arch/sparc/boot/zImage kernel: arch/sparc/boot/zImage is ready make[1]: Leaving directory '/home/kisskb/slave/build/linus_sparc-allnoconfig_sparc64' Completed OK # rm -rf /home/kisskb/slave/build/linus_sparc-allnoconfig_sparc64 # Build took: 0:00:23.447017

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