Buildresult: linus-rand/x86_64-randconfig/x86_64-gcc4.6 built on Aug 20 2018, 06:39
kisskb
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Status:
OK
Date/Time:
Aug 20 2018, 06:39
Duration:
0:00:35.179776
Builder:
ka4
Revision:
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm (
e61cf2e3a5b452cfefcb145021f5a8ea88735cc1)
Target:
linus-rand/x86_64-randconfig/x86_64-gcc4.6
Branch:
linus-rand
Compiler:
x86_64-gcc4.6
(x86_64-linux-gcc (GCC) 4.6.3)
Config:
randconfig
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Log:
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Possible warnings (172)
kernel/rcu/sync.o: warning: objtool: rcu_sync_func()+0xf: unreachable instruction kernel/dma/direct.o: warning: objtool: dma_direct_map_sg()+0x2b: unreachable instruction kernel/trace/ring_buffer_benchmark.o: warning: objtool: read_page()+0x7f: unreachable instruction kernel/printk/printk.c:183:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] fs/fscache/cache.o: warning: objtool: fscache_add_cache()+0x20: unreachable instruction arch/x86/mm/init_64.o: warning: objtool: __init_extra_mapping()+0x68: unreachable instruction security/keys/encrypted-keys/encrypted.o: warning: objtool: derived_key_encrypt.constprop.11()+0x181: unreachable instruction fs/fscache/cookie.o: warning: objtool: __fscache_disable_cookie()+0x14a: unreachable instruction arch/x86/kernel/traps.o: warning: objtool: ist_begin_non_atomic()+0xb: unreachable instruction kernel/dma/swiotlb.o: warning: objtool: swiotlb_tbl_map_single()+0xa2: unreachable instruction kernel/time/timer.o: warning: objtool: timers_dead_cpu()+0x21: unreachable instruction arch/x86/kernel/apic/vector.o: warning: objtool: arch_early_irq_init()+0x20: unreachable instruction crypto/asymmetric_keys/public_key.o: warning: objtool: public_key_verify_signature()+0x31: unreachable instruction kernel/resource.o: warning: objtool: find_next_iomem_res()+0x1b: unreachable instruction arch/x86/kernel/apic/io_apic.c:1034:6: warning: 'irq' may be used uninitialized in this function [-Wuninitialized] arch/x86/kernel/cpu/common.o: warning: objtool: identify_secondary_cpu()+0x12: unreachable instruction fs/overlayfs/namei.o: warning: objtool: ovl_path_next()+0x17: unreachable instruction arch/x86/mm/physaddr.o: warning: objtool: __phys_addr()+0x1f: unreachable instruction fs/quota/dquot.o: warning: objtool: dqput()+0x2f: unreachable instruction kernel/power/suspend.o: warning: objtool: suspend_enter()+0xf3: unreachable instruction security/keys/keyring.o: warning: objtool: search_nested_keyrings()+0x2b: unreachable instruction kernel/exit.o: warning: objtool: release_task()+0x132: unreachable instruction kernel/softirq.o: warning: objtool: tasklet_kill_immediate()+0x1d: unreachable instruction kernel/sched/rt.o: warning: objtool: pick_next_pushable_task()+0x38: unreachable instruction kernel/cpu.o: warning: objtool: takedown_cpu()+0x90: unreachable instruction drivers/android/binder_alloc.o: warning: objtool: binder_insert_allocated_buffer_locked()+0x13: unreachable instruction arch/x86/kernel/nmi.o: warning: objtool: do_nmi()+0x81: unreachable instruction crypto/scatterwalk.o: warning: objtool: scatterwalk_ffwd()+0x50: unreachable instruction crypto/algapi.o: warning: objtool: crypto_unregister_template()+0x2b: unreachable instruction fs/fscache/object.o: warning: objtool: fscache_look_up_object()+0x1d: unreachable instruction arch/x86/kernel/setup.o: warning: objtool: extend_brk()+0xf: unreachable instruction kernel/sched/deadline.o: warning: objtool: pick_next_pushable_dl_task()+0x23: unreachable instruction kernel/trace/trace_syscalls.o: warning: objtool: ftrace_syscall_enter()+0x1a5: unreachable instruction mm/shmem.o: warning: objtool: shmem_init()+0x13: unreachable instruction kernel/trace/trace.o: warning: objtool: __tracing_resize_ring_buffer()+0x79: unreachable instruction kernel/sched/core.o: warning: objtool: migrate_tasks()+0xfc: unreachable instruction kernel/cgroup/cgroup.o: warning: objtool: compare_css_sets()+0x78: unreachable instruction fs/exec.o: warning: objtool: de_thread()+0x21a: unreachable instruction kernel/irq/matrix.o: warning: objtool: irq_matrix_assign_system()+0x1e: unreachable instruction drivers/android/binder.o: warning: objtool: binder_pop_transaction_ilocked()+0x7: unreachable instruction fs/fscache/operation.o: warning: objtool: fscache_put_operation.part.10()+0x161: unreachable instruction drivers/char/tpm/tpm-sysfs.c:37:16: warning: 'tpm_buf.data' may be used uninitialized in this function [-Wuninitialized] mm/vmstat.c:89:5: warning: 'oldval' may be used uninitialized in this function [-Wuninitialized] lib/mpi/mpicoder.c:352:8: warning: 'buff' may be used uninitialized in this function [-Wuninitialized] kernel/rcu/tree.o: warning: objtool: rcu_init_geometry()+0x55: unreachable instruction kernel/cgroup/cpuset.o: warning: objtool: cpuset_init()+0x19: unreachable instruction kernel/signal.o: warning: objtool: task_set_jobctl_pending()+0xb: unreachable instruction drivers/bcma/driver_chipcommon_pmu.o: warning: objtool: bcma_pmu_pll_clock()+0x24: unreachable instruction net/8021q/vlan.o: warning: objtool: unregister_vlan_dev()+0x98: unreachable instruction fs/namei.o: warning: objtool: unlazy_walk()+0x13: unreachable instruction arch/x86/kernel/e820.c:651:16: warning: 'gapstart' may be used uninitialized in this function [-Wuninitialized] drivers/dma-buf/dma-buf.o: warning: objtool: dma_buf_release()+0x27: unreachable instruction fs/fscache/page.o: warning: objtool: __fscache_read_or_alloc_page()+0x45: unreachable instruction drivers/char/virtio_console.o: warning: objtool: free_buf()+0x25: unreachable instruction arch/x86/kernel/e820.o: warning: objtool: e820__reallocate_tables()+0x25: unreachable instruction mm/page_alloc.o: warning: objtool: __offline_isolated_pages()+0x154: unreachable instruction drivers/dma-buf/dma-fence.o: warning: objtool: dma_fence_init()+0xe: unreachable instruction mm/vmscan.o: warning: objtool: __remove_mapping()+0x2d: unreachable instruction arch/x86/kernel/quirks.o: warning: objtool: ich_force_hpet_resume()+0x18: unreachable instruction fs/inode.o: warning: objtool: clear_inode()+0x21: unreachable instruction kernel/cred.o: warning: objtool: __put_cred()+0x8: unreachable instruction drivers/dma-buf/reservation.c:211:7: warning: 'i' may be used uninitialized in this function [-Wuninitialized] fs/dcache.o: warning: objtool: d_instantiate_new()+0x16: unreachable instruction lib/mpi/mpi-pow.o: warning: objtool: mpi_powm()+0x244: unreachable instruction net/bluetooth/af_bluetooth.o: warning: objtool: bt_sock_reclassify_lock()+0x10: unreachable instruction kernel/workqueue.o: warning: objtool: wq_numa_init()+0x3d: unreachable instruction drivers/crypto/hisilicon/sec/sec_drv.o: warning: objtool: sec_queue_res_cfg()+0x15c: unreachable instruction kernel/smpboot.o: warning: objtool: smpboot_thread_fn()+0xdf: unreachable instruction arch/x86/kernel/alternative.o: warning: objtool: text_poke()+0x1f: unreachable instruction drivers/crypto/mediatek/mtk-platform.o: warning: objtool: mtk_desc_ring_alloc()+0xe0: unreachable instruction net/atm/resources.o: warning: objtool: atm_dev_deregister()+0xe: unreachable instruction fs/file.o: warning: objtool: __fd_install()+0x156: unreachable instruction lib/scatterlist.o: warning: objtool: sg_init_one()+0x25: unreachable instruction arch/x86/kernel/hw_breakpoint.c:366:18: warning: 'align' may be used uninitialized in this function [-Wuninitialized] fs/seq_file.o: warning: objtool: seq_escape()+0x1b: unreachable instruction mm/list_lru.o: warning: objtool: __list_lru_walk_one.isra.15()+0x79: unreachable instruction crypto/rsa-pkcs1pad.o: warning: objtool: pkcs1pad_sg_set_buf()+0x35: unreachable instruction drivers/base/devres.o: warning: objtool: remove_nodes.isra.4()+0xa2: unreachable instruction drivers/input/gameport/gameport.o: warning: objtool: gameport_start_polling()+0x35: unreachable instruction drivers/crypto/mediatek/mtk-aes.o: warning: objtool: mtk_aes_dma()+0x161: unreachable instruction net/core/sock.o: warning: objtool: sk_alloc_sg()+0x10a: unreachable instruction mm/percpu.o: warning: objtool: pcpu_setup_first_chunk()+0x2e: unreachable instruction drivers/base/regmap/regmap-irq.o: warning: objtool: regmap_irq_thread()+0x9a: unreachable instruction drivers/crypto/atmel-aes.o: warning: objtool: atmel_aes_map()+0x16d: unreachable instruction net/core/gen_stats.c:161:19: warning: 'seq' may be used uninitialized in this function [-Wuninitialized] net/key/af_key.o: warning: objtool: pfkey_send_new_mapping()+0x154: unreachable instruction drivers/gpu/drm/drm_crtc_helper.o: warning: objtool: drm_crtc_helper_set_config()+0x2b: unreachable instruction mm/gup.o: warning: objtool: get_user_pages_locked()+0x3c: unreachable instruction drivers/mtd/chips/cfi_util.o: warning: objtool: cfi_build_cmd()+0x21: unreachable instruction drivers/mmc/host/mtk-sd.o: warning: objtool: msdc_drv_probe()+0x278: unreachable instruction drivers/mmc/host/omap_hsmmc.o: warning: objtool: omap_hsmmc_request()+0x15: unreachable instruction drivers/mmc/host/android-goldfish.o: warning: objtool: goldfish_mmc_remove()+0x14: unreachable instruction net/rfkill/core.o: warning: objtool: rfkill_init_sw_state()+0x11: unreachable instruction crypto/testmgr.o: warning: objtool: test_akcipher_one()+0x1bc: unreachable instruction net/core/skbuff.o: warning: objtool: __skb_to_sgvec()+0x64: unreachable instruction drivers/crypto/s5p-sss.o: warning: objtool: s5p_hash_copy_sgs()+0xa6: unreachable instruction drivers/mmc/host/sdhci.o: warning: objtool: sdhci_prepare_data()+0x65: unreachable instruction net/netlink/genetlink.o: warning: objtool: genl_validate_assign_mc_groups()+0x71: unreachable instruction mm/mmap.o: warning: objtool: mm_drop_all_locks()+0x19: unreachable instruction net/wimax/id-table.o: warning: objtool: wimax_id_table_add()+0x10: unreachable instruction drivers/media/common/videobuf2/videobuf2-v4l2.o: warning: objtool: vb2_warn_zero_bytesused.isra.6.part.7()+0x2: unreachable instruction drivers/media/common/videobuf2/videobuf2-vmalloc.o: warning: objtool: vb2_vmalloc_dmabuf_ops_map()+0x5e: unreachable instruction mm/memory.o: warning: objtool: vm_insert_pfn_prot()+0x29: unreachable instruction drivers/mmc/host/sh_mmcif.o: warning: objtool: sh_mmcif_next_block()+0x26: unreachable instruction kernel/audit_watch.o: warning: objtool: audit_watch_handle_event()+0x21: unreachable instruction net/wimax/op-msg.o: warning: objtool: wimax_msg_send()+0x2f: unreachable instruction net/packet/af_packet.o: warning: objtool: tpacket_rcv()+0x22c: unreachable instruction drivers/remoteproc/remoteproc_core.o: warning: objtool: rproc_handle_carveout()+0x6f: unreachable instruction net/unix/garbage.o: warning: objtool: unix_inflight()+0x4b: unreachable instruction drivers/nfc/st21nfca/core.c:663:20: warning: 'sak' may be used uninitialized in this function [-Wuninitialized] drivers/mmc/host/bcm2835.o: warning: objtool: bcm2835_prepare_dma()+0x92: unreachable instruction kernel/audit_fsnotify.o: warning: objtool: audit_mark_handle_event()+0x22: unreachable instruction drivers/mfd/cros_ec_i2c.o: warning: objtool: cros_ec_pkt_xfer_i2c()+0x43: unreachable instruction net/wimax/op-reset.o: warning: objtool: wimax_reset()+0x33: unreachable instruction mm/rmap.o: warning: objtool: hugepage_add_anon_rmap()+0x1f: unreachable instruction drivers/platform/chrome/cros_ec_proto.o: warning: objtool: prepare_packet()+0xc: unreachable instruction lib/rhashtable.c:267:2: warning: 'next' may be used uninitialized in this function [-Wuninitialized] drivers/mfd/cros_ec_spi.o: warning: objtool: cros_ec_spi_receive_packet()+0x16: unreachable instruction drivers/mtd/mtdconcat.o: warning: objtool: concat_erase()+0x119: unreachable instruction net/core/flow_dissector.o: warning: objtool: skb_flow_dissector_init()+0x22: unreachable instruction net/wimax/op-rfkill.o: warning: objtool: __wimax_rf_toggle_radio()+0x36: unreachable instruction drivers/mmc/core/sdio_ops.o: warning: objtool: mmc_io_rw_extended()+0x194: unreachable instruction drivers/staging/android/ion/ion.o: warning: objtool: ion_map_dma_buf()+0x34: unreachable instruction net/wimax/op-state-get.o: warning: objtool: wimax_gnl_doit_state_get()+0x12: unreachable instruction net/xfrm/xfrm_policy.o: warning: objtool: xfrm_create_dummy_bundle()+0x66: unreachable instruction mm/vmalloc.o: warning: objtool: pcpu_get_vm_areas()+0x3d: unreachable instruction drivers/virtio/virtio.o: warning: objtool: virtio_dev_probe()+0x59: unreachable instruction net/wimax/stack.o: warning: objtool: wimax_gnl_re_state_change_alloc()+0x40: unreachable instruction kernel/seccomp.o: warning: objtool: seccomp_set_mode_strict()+0x33: unreachable instruction drivers/staging/android/ion/ion_heap.o: warning: objtool: ion_heap_map_kernel()+0xa7: unreachable instruction drivers/staging/android/ion/ion_system_heap.o: warning: objtool: ion_system_contig_heap_allocate()+0xcb: unreachable instruction fs/userfaultfd.o: warning: objtool: userfaultfd_register()+0x16a: unreachable instruction drivers/uwb/est.o: warning: objtool: uwb_est_get_size.isra.0()+0x3b: unreachable instruction drivers/spi/spi.o: warning: objtool: spi_map_buf()+0x11e: unreachable instruction drivers/staging/android/ion/ion_page_pool.o: warning: objtool: ion_page_pool_remove()+0xd: unreachable instruction drivers/mtd/ubi/eba.c:1001:7: warning: 'opnum' may be used uninitialized in this function [-Wuninitialized] drivers/virtio/virtio_ring.o: warning: objtool: vring_map_one_sg()+0x80: unreachable instruction drivers/staging/android/ion/ion_chunk_heap.o: warning: objtool: ion_chunk_heap_allocate()+0x104: unreachable instruction drivers/video/fbdev/goldfishfb.o: warning: objtool: goldfish_fb_probe()+0x1bd: unreachable instruction drivers/uwb/lc-dev.o: warning: objtool: uwb_dev_add()+0x18: unreachable instruction drivers/staging/android/ion/ion_cma_heap.o: warning: objtool: ion_cma_allocate()+0x10b: unreachable instruction drivers/i2c/busses/i2c-stm32.o: warning: objtool: stm32_i2c_prep_dma_xfer()+0x7a: unreachable instruction net/core/dev.c:3344:15: warning: 'tail' may be used uninitialized in this function [-Wuninitialized] drivers/video/fbdev/ocfb.o: warning: objtool: ocfb_probe()+0x155: unreachable instruction drivers/tty/serial/imx.o: warning: objtool: imx_uart_dma_tx()+0x181: unreachable instruction crypto/ccm.o: warning: objtool: crypto_rfc4309_crypt()+0x18b: unreachable instruction crypto/chacha20poly1305.o: warning: objtool: poly_tail()+0x59: unreachable instruction mm/page_isolation.o: warning: objtool: start_isolate_page_range()+0x1a: unreachable instruction mm/memory_hotplug.o: warning: objtool: __remove_pages()+0x46: unreachable instruction drivers/spi/spi-ep93xx.o: warning: objtool: ep93xx_spi_dma_prepare()+0x1e4: unreachable instruction mm/hugetlb.o: warning: objtool: huge_pte_alloc()+0x90: unreachable instruction drivers/tty/serial/fsl_lpuart.o: warning: objtool: lpuart_resume()+0x19b: unreachable instruction net/core/dev.o: warning: objtool: skb_checksum_help()+0x86: unreachable instruction mm/userfaultfd.o: warning: objtool: mcopy_atomic()+0x2f: unreachable instruction lib/assoc_array.o: warning: objtool: assoc_array_destroy_subtree()+0x38: unreachable instruction drivers/rtc/rtc-isl1208.o: warning: objtool: isl1208_i2c_read_regs()+0x5a: unreachable instruction drivers/gpu/drm/drm_global.o: warning: objtool: drm_global_release()+0x15: unreachable instruction lib/genalloc.o: warning: objtool: gen_pool_free()+0xab: unreachable instruction lib/syscall.o: warning: objtool: collect_syscall()+0xf3: unreachable instruction net/core/rtnetlink.o: warning: objtool: rtnl_register_internal()+0x27: unreachable instruction drivers/gpu/drm/drm_prime.o: warning: objtool: drm_gem_map_dma_buf()+0xa0: unreachable instruction lib/oid_registry.o: warning: objtool: sprint_OID()+0xb: unreachable instruction drivers/gpu/drm/drm_atomic.c:760:38: warning: 'crtc_state' may be used uninitialized in this function [-Wuninitialized] net/core/filter.o: warning: objtool: bpf_msg_pull_data()+0x267: unreachable instruction lib/idr.o: warning: objtool: ida_simple_get()+0x1a: unreachable instruction lib/plist.o: warning: objtool: plist_requeue()+0x1d: unreachable instruction crypto/drbg.o: warning: objtool: drbg_kcapi_sym_ctr()+0x85: unreachable instruction crypto/algif_hash.o: warning: objtool: hash_sendpage()+0x5f: unreachable instruction lib/kobject.o: warning: objtool: create_dir()+0x49: unreachable instruction drivers/gpu/drm/drm_vblank.o: warning: objtool: drm_vblank_restore()+0x2c: unreachable instruction crypto/af_alg.o: warning: objtool: af_alg_make_sg()+0x8e: unreachable instruction lib/radix-tree.o: warning: objtool: __radix_tree_insert()+0x19: unreachable instruction
Full Log
# git rev-parse -q --verify e61cf2e3a5b452cfefcb145021f5a8ea88735cc1^{commit} e61cf2e3a5b452cfefcb145021f5a8ea88735cc1 already have revision, skipping fetch # git checkout -q -f -B kisskb e61cf2e3a5b452cfefcb145021f5a8ea88735cc1 # git clean -qxdf # < git log -1 # commit e61cf2e3a5b452cfefcb145021f5a8ea88735cc1 # Merge: 1009aa1 28a1f3a # Author: Linus Torvalds <torvalds@linux-foundation.org> # Date: Sun Aug 19 10:38:36 2018 -0700 # # Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm # # Pull first set of KVM updates from Paolo Bonzini: # "PPC: # - minor code cleanups # # x86: # - PCID emulation and CR3 caching for shadow page tables # - nested VMX live migration # - nested VMCS shadowing # - optimized IPI hypercall # - some optimizations # # ARM will come next week" # # * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (85 commits) # kvm: x86: Set highest physical address bits in non-present/reserved SPTEs # KVM/x86: Use CC_SET()/CC_OUT in arch/x86/kvm/vmx.c # KVM: X86: Implement PV IPIs in linux guest # KVM: X86: Add kvm hypervisor init time platform setup callback # KVM: X86: Implement "send IPI" hypercall # KVM/x86: Move X86_CR4_OSXSAVE check into kvm_valid_sregs() # KVM: x86: Skip pae_root shadow allocation if tdp enabled # KVM/MMU: Combine flushing remote tlb in mmu_set_spte() # KVM: vmx: skip VMWRITE of HOST_{FS,GS}_BASE when possible # KVM: vmx: skip VMWRITE of HOST_{FS,GS}_SEL when possible # KVM: vmx: always initialize HOST_{FS,GS}_BASE to zero during setup # KVM: vmx: move struct host_state usage to struct loaded_vmcs # KVM: vmx: compute need to reload FS/GS/LDT on demand # KVM: nVMX: remove a misleading comment regarding vmcs02 fields # KVM: vmx: rename __vmx_load_host_state() and vmx_save_host_state() # KVM: vmx: add dedicated utility to access guest's kernel_gs_base # KVM: vmx: track host_state.loaded using a loaded_vmcs pointer # KVM: vmx: refactor segmentation code in vmx_save_host_state() # kvm: nVMX: Fix fault priority for VMX operations # kvm: nVMX: Fix fault vector for VMX operation at CPL > 0 # ... # < /opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-gcc --version # < git log --format=%s --max-count=1 e61cf2e3a5b452cfefcb145021f5a8ea88735cc1 # < make -s -j 120 ARCH=x86_64 O=/kisskb/build/linus-rand_x86_64-randconfig_x86_64 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux- randconfig KCONFIG_SEED=0xA625D95F # Added to kconfig CONFIG_STANDALONE=y # Added to kconfig CONFIG_PREVENT_FIRMWARE_BUILD=y # Added to kconfig CONFIG_CC_STACKPROTECTOR_STRONG=n # Added to kconfig CONFIG_GCC_PLUGINS=n # Added to kconfig CONFIG_GCC_PLUGIN_CYC_COMPLEXITY=n # Added to kconfig CONFIG_GCC_PLUGIN_SANCOV=n # Added to kconfig CONFIG_GCC_PLUGIN_LATENT_ENTROPY=n # yes \n | make -s -j 120 ARCH=x86_64 O=/kisskb/build/linus-rand_x86_64-randconfig_x86_64 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux- oldconfig yes: standard output: Broken pipe yes: write error # make -s -j 120 ARCH=x86_64 O=/kisskb/build/linus-rand_x86_64-randconfig_x86_64 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux- kernel/rcu/sync.o: warning: objtool: rcu_sync_func()+0xf: unreachable instruction kernel/dma/direct.o: warning: objtool: dma_direct_map_sg()+0x2b: unreachable instruction kernel/trace/ring_buffer_benchmark.o: warning: objtool: read_page()+0x7f: unreachable instruction /kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl': /kisskb/src/kernel/printk/printk.c:183:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] fs/fscache/cache.o: warning: objtool: fscache_add_cache()+0x20: unreachable instruction arch/x86/mm/init_64.o: warning: objtool: __init_extra_mapping()+0x68: unreachable instruction security/keys/encrypted-keys/encrypted.o: warning: objtool: derived_key_encrypt.constprop.11()+0x181: unreachable instruction fs/fscache/cookie.o: warning: objtool: __fscache_disable_cookie()+0x14a: unreachable instruction arch/x86/kernel/traps.o: warning: objtool: ist_begin_non_atomic()+0xb: unreachable instruction kernel/dma/swiotlb.o: warning: objtool: swiotlb_tbl_map_single()+0xa2: unreachable instruction kernel/time/timer.o: warning: objtool: timers_dead_cpu()+0x21: unreachable instruction arch/x86/kernel/apic/vector.o: warning: objtool: arch_early_irq_init()+0x20: unreachable instruction crypto/asymmetric_keys/public_key.o: warning: objtool: public_key_verify_signature()+0x31: unreachable instruction kernel/resource.o: warning: objtool: find_next_iomem_res()+0x1b: unreachable instruction /kisskb/src/arch/x86/kernel/apic/io_apic.c: In function 'mp_map_pin_to_irq': /kisskb/src/arch/x86/kernel/apic/io_apic.c:1034:6: warning: 'irq' may be used uninitialized in this function [-Wuninitialized] arch/x86/kernel/cpu/common.o: warning: objtool: identify_secondary_cpu()+0x12: unreachable instruction fs/overlayfs/namei.o: warning: objtool: ovl_path_next()+0x17: unreachable instruction arch/x86/mm/physaddr.o: warning: objtool: __phys_addr()+0x1f: unreachable instruction fs/quota/dquot.o: warning: objtool: dqput()+0x2f: unreachable instruction kernel/power/suspend.o: warning: objtool: suspend_enter()+0xf3: unreachable instruction security/keys/keyring.o: warning: objtool: search_nested_keyrings()+0x2b: unreachable instruction kernel/exit.o: warning: objtool: release_task()+0x132: unreachable instruction kernel/softirq.o: warning: objtool: tasklet_kill_immediate()+0x1d: unreachable instruction kernel/sched/rt.o: warning: objtool: pick_next_pushable_task()+0x38: unreachable instruction kernel/cpu.o: warning: objtool: takedown_cpu()+0x90: unreachable instruction drivers/android/binder_alloc.o: warning: objtool: binder_insert_allocated_buffer_locked()+0x13: unreachable instruction arch/x86/kernel/nmi.o: warning: objtool: do_nmi()+0x81: unreachable instruction crypto/scatterwalk.o: warning: objtool: scatterwalk_ffwd()+0x50: unreachable instruction crypto/algapi.o: warning: objtool: crypto_unregister_template()+0x2b: unreachable instruction fs/fscache/object.o: warning: objtool: fscache_look_up_object()+0x1d: unreachable instruction arch/x86/kernel/setup.o: warning: objtool: extend_brk()+0xf: unreachable instruction kernel/sched/deadline.o: warning: objtool: pick_next_pushable_dl_task()+0x23: unreachable instruction kernel/trace/trace_syscalls.o: warning: objtool: ftrace_syscall_enter()+0x1a5: unreachable instruction mm/shmem.o: warning: objtool: shmem_init()+0x13: unreachable instruction kernel/trace/trace.o: warning: objtool: __tracing_resize_ring_buffer()+0x79: unreachable instruction kernel/sched/core.o: warning: objtool: migrate_tasks()+0xfc: unreachable instruction kernel/cgroup/cgroup.o: warning: objtool: compare_css_sets()+0x78: unreachable instruction fs/exec.o: warning: objtool: de_thread()+0x21a: unreachable instruction kernel/irq/matrix.o: warning: objtool: irq_matrix_assign_system()+0x1e: unreachable instruction drivers/android/binder.o: warning: objtool: binder_pop_transaction_ilocked()+0x7: unreachable instruction fs/fscache/operation.o: warning: objtool: fscache_put_operation.part.10()+0x161: unreachable instruction /kisskb/src/drivers/char/tpm/tpm-sysfs.c: In function 'pubek_show': /kisskb/src/drivers/char/tpm/tpm-sysfs.c:37:16: warning: 'tpm_buf.data' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/mm/vmstat.c: In function 'sysctl_vm_numa_stat_handler': /kisskb/src/mm/vmstat.c:89:5: warning: 'oldval' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/lib/mpi/mpicoder.c: In function 'mpi_read_raw_from_sgl': /kisskb/src/lib/mpi/mpicoder.c:352:8: warning: 'buff' may be used uninitialized in this function [-Wuninitialized] kernel/rcu/tree.o: warning: objtool: rcu_init_geometry()+0x55: unreachable instruction kernel/cgroup/cpuset.o: warning: objtool: cpuset_init()+0x19: unreachable instruction kernel/signal.o: warning: objtool: task_set_jobctl_pending()+0xb: unreachable instruction drivers/bcma/driver_chipcommon_pmu.o: warning: objtool: bcma_pmu_pll_clock()+0x24: unreachable instruction net/8021q/vlan.o: warning: objtool: unregister_vlan_dev()+0x98: unreachable instruction fs/namei.o: warning: objtool: unlazy_walk()+0x13: unreachable instruction /kisskb/src/arch/x86/kernel/e820.c: In function 'e820__setup_pci_gap': /kisskb/src/arch/x86/kernel/e820.c:651:16: warning: 'gapstart' may be used uninitialized in this function [-Wuninitialized] drivers/dma-buf/dma-buf.o: warning: objtool: dma_buf_release()+0x27: unreachable instruction fs/fscache/page.o: warning: objtool: __fscache_read_or_alloc_page()+0x45: unreachable instruction drivers/char/virtio_console.o: warning: objtool: free_buf()+0x25: unreachable instruction arch/x86/kernel/e820.o: warning: objtool: e820__reallocate_tables()+0x25: unreachable instruction mm/page_alloc.o: warning: objtool: __offline_isolated_pages()+0x154: unreachable instruction drivers/dma-buf/dma-fence.o: warning: objtool: dma_fence_init()+0xe: unreachable instruction mm/vmscan.o: warning: objtool: __remove_mapping()+0x2d: unreachable instruction arch/x86/kernel/quirks.o: warning: objtool: ich_force_hpet_resume()+0x18: unreachable instruction fs/inode.o: warning: objtool: clear_inode()+0x21: unreachable instruction kernel/cred.o: warning: objtool: __put_cred()+0x8: unreachable instruction /kisskb/src/drivers/dma-buf/reservation.c: In function 'reservation_object_add_shared_replace': /kisskb/src/drivers/dma-buf/reservation.c:211:7: warning: 'i' may be used uninitialized in this function [-Wuninitialized] fs/dcache.o: warning: objtool: d_instantiate_new()+0x16: unreachable instruction lib/mpi/mpi-pow.o: warning: objtool: mpi_powm()+0x244: unreachable instruction net/bluetooth/af_bluetooth.o: warning: objtool: bt_sock_reclassify_lock()+0x10: unreachable instruction kernel/workqueue.o: warning: objtool: wq_numa_init()+0x3d: unreachable instruction drivers/crypto/hisilicon/sec/sec_drv.o: warning: objtool: sec_queue_res_cfg()+0x15c: unreachable instruction kernel/smpboot.o: warning: objtool: smpboot_thread_fn()+0xdf: unreachable instruction arch/x86/kernel/alternative.o: warning: objtool: text_poke()+0x1f: unreachable instruction drivers/crypto/mediatek/mtk-platform.o: warning: objtool: mtk_desc_ring_alloc()+0xe0: unreachable instruction net/atm/resources.o: warning: objtool: atm_dev_deregister()+0xe: unreachable instruction fs/file.o: warning: objtool: __fd_install()+0x156: unreachable instruction lib/scatterlist.o: warning: objtool: sg_init_one()+0x25: unreachable instruction /kisskb/src/arch/x86/kernel/hw_breakpoint.c: In function 'hw_breakpoint_arch_parse': /kisskb/src/arch/x86/kernel/hw_breakpoint.c:366:18: warning: 'align' may be used uninitialized in this function [-Wuninitialized] fs/seq_file.o: warning: objtool: seq_escape()+0x1b: unreachable instruction mm/list_lru.o: warning: objtool: __list_lru_walk_one.isra.15()+0x79: unreachable instruction crypto/rsa-pkcs1pad.o: warning: objtool: pkcs1pad_sg_set_buf()+0x35: unreachable instruction drivers/base/devres.o: warning: objtool: remove_nodes.isra.4()+0xa2: unreachable instruction drivers/input/gameport/gameport.o: warning: objtool: gameport_start_polling()+0x35: unreachable instruction drivers/crypto/mediatek/mtk-aes.o: warning: objtool: mtk_aes_dma()+0x161: unreachable instruction net/core/sock.o: warning: objtool: sk_alloc_sg()+0x10a: unreachable instruction mm/percpu.o: warning: objtool: pcpu_setup_first_chunk()+0x2e: unreachable instruction drivers/base/regmap/regmap-irq.o: warning: objtool: regmap_irq_thread()+0x9a: unreachable instruction drivers/crypto/atmel-aes.o: warning: objtool: atmel_aes_map()+0x16d: unreachable instruction /kisskb/src/net/core/gen_stats.c: In function '__gnet_stats_copy_basic': /kisskb/src/net/core/gen_stats.c:161:19: warning: 'seq' may be used uninitialized in this function [-Wuninitialized] net/key/af_key.o: warning: objtool: pfkey_send_new_mapping()+0x154: unreachable instruction drivers/gpu/drm/drm_crtc_helper.o: warning: objtool: drm_crtc_helper_set_config()+0x2b: unreachable instruction mm/gup.o: warning: objtool: get_user_pages_locked()+0x3c: unreachable instruction drivers/mtd/chips/cfi_util.o: warning: objtool: cfi_build_cmd()+0x21: unreachable instruction drivers/mmc/host/mtk-sd.o: warning: objtool: msdc_drv_probe()+0x278: unreachable instruction drivers/mmc/host/omap_hsmmc.o: warning: objtool: omap_hsmmc_request()+0x15: unreachable instruction drivers/mmc/host/android-goldfish.o: warning: objtool: goldfish_mmc_remove()+0x14: unreachable instruction net/rfkill/core.o: warning: objtool: rfkill_init_sw_state()+0x11: unreachable instruction crypto/testmgr.o: warning: objtool: test_akcipher_one()+0x1bc: unreachable instruction net/core/skbuff.o: warning: objtool: __skb_to_sgvec()+0x64: unreachable instruction drivers/crypto/s5p-sss.o: warning: objtool: s5p_hash_copy_sgs()+0xa6: unreachable instruction drivers/mmc/host/sdhci.o: warning: objtool: sdhci_prepare_data()+0x65: unreachable instruction net/netlink/genetlink.o: warning: objtool: genl_validate_assign_mc_groups()+0x71: unreachable instruction mm/mmap.o: warning: objtool: mm_drop_all_locks()+0x19: unreachable instruction net/wimax/id-table.o: warning: objtool: wimax_id_table_add()+0x10: unreachable instruction drivers/media/common/videobuf2/videobuf2-v4l2.o: warning: objtool: vb2_warn_zero_bytesused.isra.6.part.7()+0x2: unreachable instruction drivers/media/common/videobuf2/videobuf2-vmalloc.o: warning: objtool: vb2_vmalloc_dmabuf_ops_map()+0x5e: unreachable instruction mm/memory.o: warning: objtool: vm_insert_pfn_prot()+0x29: unreachable instruction drivers/mmc/host/sh_mmcif.o: warning: objtool: sh_mmcif_next_block()+0x26: unreachable instruction kernel/audit_watch.o: warning: objtool: audit_watch_handle_event()+0x21: unreachable instruction net/wimax/op-msg.o: warning: objtool: wimax_msg_send()+0x2f: unreachable instruction net/packet/af_packet.o: warning: objtool: tpacket_rcv()+0x22c: unreachable instruction drivers/remoteproc/remoteproc_core.o: warning: objtool: rproc_handle_carveout()+0x6f: unreachable instruction net/unix/garbage.o: warning: objtool: unix_inflight()+0x4b: unreachable instruction /kisskb/src/drivers/nfc/st21nfca/core.c: In function 'st21nfca_hci_target_from_gate': /kisskb/src/drivers/nfc/st21nfca/core.c:663:20: warning: 'sak' may be used uninitialized in this function [-Wuninitialized] drivers/mmc/host/bcm2835.o: warning: objtool: bcm2835_prepare_dma()+0x92: unreachable instruction kernel/audit_fsnotify.o: warning: objtool: audit_mark_handle_event()+0x22: unreachable instruction drivers/mfd/cros_ec_i2c.o: warning: objtool: cros_ec_pkt_xfer_i2c()+0x43: unreachable instruction net/wimax/op-reset.o: warning: objtool: wimax_reset()+0x33: unreachable instruction mm/rmap.o: warning: objtool: hugepage_add_anon_rmap()+0x1f: unreachable instruction drivers/platform/chrome/cros_ec_proto.o: warning: objtool: prepare_packet()+0xc: unreachable instruction /kisskb/src/lib/rhashtable.c: In function 'rhashtable_rehash_one': /kisskb/src/lib/rhashtable.c:267:2: warning: 'next' may be used uninitialized in this function [-Wuninitialized] drivers/mfd/cros_ec_spi.o: warning: objtool: cros_ec_spi_receive_packet()+0x16: unreachable instruction drivers/mtd/mtdconcat.o: warning: objtool: concat_erase()+0x119: unreachable instruction net/core/flow_dissector.o: warning: objtool: skb_flow_dissector_init()+0x22: unreachable instruction net/wimax/op-rfkill.o: warning: objtool: __wimax_rf_toggle_radio()+0x36: unreachable instruction drivers/mmc/core/sdio_ops.o: warning: objtool: mmc_io_rw_extended()+0x194: unreachable instruction drivers/staging/android/ion/ion.o: warning: objtool: ion_map_dma_buf()+0x34: unreachable instruction net/wimax/op-state-get.o: warning: objtool: wimax_gnl_doit_state_get()+0x12: unreachable instruction net/xfrm/xfrm_policy.o: warning: objtool: xfrm_create_dummy_bundle()+0x66: unreachable instruction mm/vmalloc.o: warning: objtool: pcpu_get_vm_areas()+0x3d: unreachable instruction drivers/virtio/virtio.o: warning: objtool: virtio_dev_probe()+0x59: unreachable instruction net/wimax/stack.o: warning: objtool: wimax_gnl_re_state_change_alloc()+0x40: unreachable instruction kernel/seccomp.o: warning: objtool: seccomp_set_mode_strict()+0x33: unreachable instruction drivers/staging/android/ion/ion_heap.o: warning: objtool: ion_heap_map_kernel()+0xa7: unreachable instruction drivers/staging/android/ion/ion_system_heap.o: warning: objtool: ion_system_contig_heap_allocate()+0xcb: unreachable instruction fs/userfaultfd.o: warning: objtool: userfaultfd_register()+0x16a: unreachable instruction drivers/uwb/est.o: warning: objtool: uwb_est_get_size.isra.0()+0x3b: unreachable instruction drivers/spi/spi.o: warning: objtool: spi_map_buf()+0x11e: unreachable instruction drivers/staging/android/ion/ion_page_pool.o: warning: objtool: ion_page_pool_remove()+0xd: unreachable instruction /kisskb/src/drivers/mtd/ubi/eba.c: In function 'try_write_vid_and_data': /kisskb/src/drivers/mtd/ubi/eba.c:1001:7: warning: 'opnum' may be used uninitialized in this function [-Wuninitialized] drivers/virtio/virtio_ring.o: warning: objtool: vring_map_one_sg()+0x80: unreachable instruction drivers/staging/android/ion/ion_chunk_heap.o: warning: objtool: ion_chunk_heap_allocate()+0x104: unreachable instruction drivers/video/fbdev/goldfishfb.o: warning: objtool: goldfish_fb_probe()+0x1bd: unreachable instruction drivers/uwb/lc-dev.o: warning: objtool: uwb_dev_add()+0x18: unreachable instruction drivers/staging/android/ion/ion_cma_heap.o: warning: objtool: ion_cma_allocate()+0x10b: unreachable instruction drivers/i2c/busses/i2c-stm32.o: warning: objtool: stm32_i2c_prep_dma_xfer()+0x7a: unreachable instruction /kisskb/src/net/core/dev.c: In function 'validate_xmit_skb_list': /kisskb/src/net/core/dev.c:3344:15: warning: 'tail' may be used uninitialized in this function [-Wuninitialized] drivers/video/fbdev/ocfb.o: warning: objtool: ocfb_probe()+0x155: unreachable instruction drivers/tty/serial/imx.o: warning: objtool: imx_uart_dma_tx()+0x181: unreachable instruction crypto/ccm.o: warning: objtool: crypto_rfc4309_crypt()+0x18b: unreachable instruction crypto/chacha20poly1305.o: warning: objtool: poly_tail()+0x59: unreachable instruction mm/page_isolation.o: warning: objtool: start_isolate_page_range()+0x1a: unreachable instruction mm/memory_hotplug.o: warning: objtool: __remove_pages()+0x46: unreachable instruction drivers/spi/spi-ep93xx.o: warning: objtool: ep93xx_spi_dma_prepare()+0x1e4: unreachable instruction mm/hugetlb.o: warning: objtool: huge_pte_alloc()+0x90: unreachable instruction drivers/tty/serial/fsl_lpuart.o: warning: objtool: lpuart_resume()+0x19b: unreachable instruction net/core/dev.o: warning: objtool: skb_checksum_help()+0x86: unreachable instruction mm/userfaultfd.o: warning: objtool: mcopy_atomic()+0x2f: unreachable instruction lib/assoc_array.o: warning: objtool: assoc_array_destroy_subtree()+0x38: unreachable instruction drivers/rtc/rtc-isl1208.o: warning: objtool: isl1208_i2c_read_regs()+0x5a: unreachable instruction drivers/gpu/drm/drm_global.o: warning: objtool: drm_global_release()+0x15: unreachable instruction lib/genalloc.o: warning: objtool: gen_pool_free()+0xab: unreachable instruction lib/syscall.o: warning: objtool: collect_syscall()+0xf3: unreachable instruction net/core/rtnetlink.o: warning: objtool: rtnl_register_internal()+0x27: unreachable instruction drivers/gpu/drm/drm_prime.o: warning: objtool: drm_gem_map_dma_buf()+0xa0: unreachable instruction lib/oid_registry.o: warning: objtool: sprint_OID()+0xb: unreachable instruction /kisskb/src/drivers/gpu/drm/drm_atomic.c: In function 'drm_atomic_connector_check': /kisskb/src/drivers/gpu/drm/drm_atomic.c:760:38: warning: 'crtc_state' may be used uninitialized in this function [-Wuninitialized] net/core/filter.o: warning: objtool: bpf_msg_pull_data()+0x267: unreachable instruction lib/idr.o: warning: objtool: ida_simple_get()+0x1a: unreachable instruction lib/plist.o: warning: objtool: plist_requeue()+0x1d: unreachable instruction crypto/drbg.o: warning: objtool: drbg_kcapi_sym_ctr()+0x85: unreachable instruction crypto/algif_hash.o: warning: objtool: hash_sendpage()+0x5f: unreachable instruction lib/kobject.o: warning: objtool: create_dir()+0x49: unreachable instruction drivers/gpu/drm/drm_vblank.o: warning: objtool: drm_vblank_restore()+0x2c: unreachable instruction crypto/af_alg.o: warning: objtool: af_alg_make_sg()+0x8e: unreachable instruction lib/radix-tree.o: warning: objtool: __radix_tree_insert()+0x19: unreachable instruction Completed OK # rm -rf /kisskb/build/linus-rand_x86_64-randconfig_x86_64 # Build took: 0:00:35.179776
© Michael Ellerman 2006-2018.