Buildresult: linus-rand/x86_64-randconfig/x86_64-gcc4.6 built on Nov 11 2018, 01:53

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Status:	Failed
Date/Time:	Nov 11 2018, 01:53
Duration:	0:00:47.041694
Builder:	ka4
Revision:	Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux (`35c55685fc807fb536067602418f4a12dde23987)`
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 (download)
Log:	Download original Possible errors drivers/input/mouse/cyapa.c:717:27: warning: 'error' may be used uninitialized in this function [-Wuninitialized] make[2]: * [scripts/Makefile.build:293: lib/string.o] Error 1 make[1]: * [Makefile:1060: lib] Error 2 make: *** [Makefile:152: sub-make] Error 2 Possible warnings (429) kernel/rcu/sync.o: warning: objtool: rcu_sync_func()+0x2f: unreachable instruction arch/x86/xen/enlighten.o: warning: objtool: xen_vcpu_restore()+0x89: unreachable instruction arch/x86/platform/efi/efi.o: warning: objtool: efi_enter_virtual_mode()+0xf2: unreachable instruction kernel/time/hrtimer.o: warning: objtool: hrtimers_dead_cpu()+0x3e: unreachable instruction kernel/cpu.o: warning: objtool: takedown_cpu()+0xac: unreachable instruction kernel/printk/printk.c:186:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] arch/x86/mm/init_64.o: warning: objtool: __init_extra_mapping()+0xb5: unreachable instruction arch/x86/kernel/traps.o: warning: objtool: ist_begin_non_atomic()+0x2b: unreachable instruction cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] kernel/exit.o: warning: objtool: release_task()+0xad: unreachable instruction arch/x86/kernel/apic/io_apic.c:1034:6: warning: 'irq' may be used uninitialized in this function [-Wuninitialized] kernel/dma/swiotlb.o: warning: objtool: swiotlb_tbl_map_single()+0xd1: unreachable instruction cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] kernel/softirq.o: warning: objtool: tasklet_kill_immediate()+0x38: unreachable instruction kernel/time/timer.o: warning: objtool: timers_dead_cpu()+0x40: unreachable instruction kernel/fork.o: warning: objtool: copy_process()+0x236: unreachable instruction arch/x86/kernel/apic/vector.o: warning: objtool: arch_early_irq_init()+0x42: unreachable instruction mm/filemap.o: warning: objtool: PageTransHuge()+0x34: unreachable instruction kernel/events/uprobes.o: warning: objtool: uprobe_write_opcode()+0x1bb: unreachable instruction arch/x86/kernel/setup.o: warning: objtool: extend_brk()+0x36: unreachable instruction kernel/sched/rt.o: warning: objtool: pick_next_pushable_task()+0x8f: unreachable instruction arch/x86/kernel/nmi.o: warning: objtool: do_nmi()+0xd5: unreachable instruction arch/x86/xen/p2m.o: warning: objtool: xen_alloc_p2m_entry()+0x61: unreachable instruction arch/x86/xen/setup.o: warning: objtool: xen_del_extra_mem()+0x59: unreachable instruction kernel/irq/matrix.o: warning: objtool: irq_matrix_assign_system()+0x44: unreachable instruction fs/affs/file.o: warning: objtool: affs_get_extblock()+0x67: unreachable instruction kernel/sched/deadline.o: warning: objtool: pick_next_pushable_dl_task()+0x4d: unreachable instruction arch/x86/xen/suspend_pv.o: warning: objtool: xen_pv_pre_suspend()+0x5b: unreachable instruction block/elevator.o: warning: objtool: __elv_add_request()+0x262: unreachable instruction kernel/sched/core.o: warning: objtool: sched_cpu_dying()+0x70: unreachable instruction block/bio.o: warning: objtool: bio_split()+0x3f: unreachable instruction block/blk-flush.o: warning: objtool: blk_flush_complete_seq()+0x57: unreachable instruction fs/befs/linuxvfs.o: warning: objtool: befs_symlink_readpage()+0xd6: unreachable instruction fs/cramfs/inode.o: warning: objtool: cramfs_readpage()+0x270: unreachable instruction kernel/signal.o: warning: objtool: task_set_jobctl_pending()+0x37: unreachable instruction fs/affs/symlink.o: warning: objtool: affs_symlink_readpage()+0x1b9: unreachable instruction fs/crypto/crypto.o: warning: objtool: fscrypt_decrypt_page()+0x8c: unreachable instruction crypto/asymmetric_keys/public_key.o: warning: objtool: public_key_verify_signature()+0x50: unreachable instruction arch/x86/kernel/quirks.o: warning: objtool: force_hpet_resume()+0x56: unreachable instruction arch/x86/kernel/alternative.o: warning: objtool: text_poke()+0x44: unreachable instruction fs/ecryptfs/read_write.o: warning: objtool: ecryptfs_write()+0x1c7: unreachable instruction arch/x86/kernel/e820.c:650:16: warning: 'gapstart' may be used uninitialized in this function [-Wuninitialized] fs/configfs/dir.o: warning: objtool: configfs_rmdir()+0x5a: unreachable instruction kernel/params.o: warning: objtool: param_sysfs_init()+0x1cb: unreachable instruction fs/btrfs/ctree.o: warning: objtool: __tree_mod_log_search()+0x7c: unreachable instruction security/keys/keyring.o: warning: objtool: search_nested_keyrings()+0x51: unreachable instruction cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/ecryptfs/mmap.o: warning: objtool: ecryptfs_writepage()+0x65: unreachable instruction arch/x86/kernel/e820.o: warning: objtool: e820__reallocate_tables()+0x4d: unreachable instruction block/blk-core.o: warning: objtool: __blk_put_request()+0x1d7: unreachable instruction arch/x86/xen/multicalls.o: warning: objtool: xen_mc_flush()+0x5a: unreachable instruction arch/x86/kernel/cpu/common.o: warning: objtool: identify_secondary_cpu()+0x2d: unreachable instruction arch/x86/kernel/hw_breakpoint.c:366:18: warning: 'align' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/fscache/cache.o: warning: objtool: fscache_add_cache()+0x42: unreachable instruction kernel/workqueue.o: warning: objtool: workqueue_init_early()+0x7d: unreachable instruction kernel/cred.o: warning: objtool: __put_cred()+0x2f: unreachable instruction fs/gfs2/bmap.c:926:18: warning: 'height' may be used uninitialized in this function [-Wuninitialized] fs/gfs2/bmap.c:786:15: warning: 'len' may be used uninitialized in this function [-Wuninitialized] fs/fscache/cookie.o: warning: objtool: fscache_alloc_object()+0xec: unreachable instruction fs/ecryptfs/crypto.o: warning: objtool: ecryptfs_compute_root_iv()+0x44: unreachable instruction arch/x86/xen/enlighten_pv.o: warning: objtool: set_aliased_prot()+0x46: unreachable instruction mm/readahead.o: warning: objtool: __do_page_cache_readahead()+0x195: unreachable instruction cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/hugetlbfs/inode.o: warning: objtool: remove_huge_page()+0x4a: unreachable instruction arch/x86/xen/smp_pv.o: warning: objtool: xen_pv_cpu_up()+0x14c: unreachable instruction crypto/async_tx/async_tx.o: warning: objtool: async_tx_submit()+0x54: unreachable instruction fs/gfs2/bmap.o: warning: objtool: gfs2_indirect_init()+0x65: unreachable instruction fs/crypto/bio.o: warning: objtool: __fscrypt_decrypt_bio()+0xbb: unreachable instruction mm/util.o: warning: objtool: page_mapped()+0xc5: unreachable instruction crypto/api.o: warning: objtool: __crypto_alloc_tfm()+0x42: unreachable instruction fs/f2fs/inode.o: warning: objtool: f2fs_chksum()+0x41: unreachable instruction arch/x86/xen/mmu_pv.c:2787:12: warning: 'i' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] kernel/smpboot.o: warning: objtool: smpboot_thread_fn()+0x1c8: unreachable instruction fs/f2fs/inline.o: warning: objtool: clear_inline_node()+0x44: unreachable instruction arch/x86/xen/mmu_pv.o: warning: objtool: xen_exchange_memory()+0x85: unreachable instruction mm/truncate.o: warning: objtool: PageTransHuge()+0x35: unreachable instruction fs/btrfs/print-tree.o: warning: objtool: btrfs_print_tree()+0x1ca: unreachable instruction fs/f2fs/dir.o: warning: objtool: f2fs_put_page()+0x6f: unreachable instruction mm/page-writeback.o: warning: objtool: __set_page_dirty_no_writeback()+0x4a: unreachable instruction kernel/kexec_file.o: warning: objtool: arch_kexec_kernel_image_load()+0x22: unsupported stack register modification block/partition-generic.o: warning: objtool: read_dev_sector()+0x8c: unreachable instruction mm/shmem.o: warning: objtool: shmem_writepage()+0x50: unreachable instruction crypto/async_tx/async_pq.o: warning: objtool: async_gen_syndrome()+0x67: unreachable instruction fs/jfs/namei.o: warning: objtool: jfs_rename()+0x2e1: unreachable instruction arch/x86/kernel/machine_kexec_64.o: warning: objtool: arch_kexec_kernel_image_load()+0x3c: unsupported stack register modification fs/gfs2/dir.o: warning: objtool: gfs2_dir_get_hash_table()+0x3c: unreachable instruction fs/nilfs2/inode.o: warning: objtool: nilfs_set_page_dirty()+0x82: unreachable instruction fs/fscache/object.o: warning: objtool: fscache_look_up_object()+0x5c: unreachable instruction fs/f2fs/file.o: warning: objtool: f2fs_put_page()+0x6e: unreachable instruction fs/fscache/operation.o: warning: objtool: fscache_put_operation()+0x5e: unreachable instruction fs/fscache/page.o: warning: objtool: __fscache_read_or_alloc_page()+0xa5: unreachable instruction kernel/kexec_core.o: warning: objtool: kimage_free_pages()+0x99: unreachable instruction fs/f2fs/checkpoint.o: warning: objtool: f2fs_crc32()+0x3c: unreachable instruction fs/nilfs2/file.o: warning: objtool: nilfs_page_mkwrite()+0x15f: unreachable instruction mm/vmscan.o: warning: objtool: PageTransHuge()+0x35: unreachable instruction fs/f2fs/super.o: warning: objtool: __f2fs_crc32.isra.77()+0x3d: unreachable instruction mm/swap.o: warning: objtool: perf_trace_mm_lru_insertion()+0x130: unreachable instruction fs/nilfs2/page.o: warning: objtool: nilfs_copy_page()+0x72: unreachable instruction fs/nilfs2/btnode.o: warning: objtool: nilfs_btnode_delete()+0x6a: unreachable instruction fs/nilfs2/dir.o: warning: objtool: nilfs_get_page.isra.15()+0x8d: unreachable instruction fs/gfs2/meta_io.o: warning: objtool: gfs2_aspace_writepage()+0x96: unreachable instruction fs/nilfs2/bmap.o: warning: objtool: nilfs_bmap_data_get_key()+0x75: unreachable instruction kernel/seccomp.o: warning: objtool: do_seccomp()+0x7b: unreachable instruction fs/ntfs/aops.o: warning: objtool: ntfs_bmap()+0xae: unreachable instruction include/linux/list.h:63:13: warning: 'head' may be used uninitialized in this function [-Wuninitialized] fs/gfs2/lops.o: warning: objtool: gfs2_end_log_write()+0xb9: unreachable instruction fs/f2fs/gc.o: warning: objtool: set_cold_data()+0x43: unreachable instruction block/mq-deadline.o: warning: objtool: dd_dispatch_request()+0xcb: unreachable instruction fs/gfs2/aops.o: warning: objtool: jdata_set_page_dirty()+0x48: unreachable instruction fs/gfs2/glock.o: warning: objtool: __gfs2_glock_put()+0x7e: unreachable instruction drivers/block/brd.o: warning: objtool: brd_insert_page()+0x102: unreachable instruction fs/gfs2/ops_fstype.o: warning: objtool: gfs2_read_super()+0xbf: unreachable instruction sound/core/pcm_iec958.c:80:9: warning: 'ws' may be used uninitialized in this function [-Wuninitialized] mm/page_alloc.o: warning: objtool: page_is_buddy()+0x78: unreachable instruction cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/gfs2/quota.o: warning: objtool: gfs2_write_buf_to_page()+0xc7: unreachable instruction arch/x86/kernel/amd_gart_64.o: warning: objtool: dma_map_cont()+0x45: unreachable instruction fs/nilfs2/mdt.o: warning: objtool: nilfs_page_get_nth_block()+0x3d: unreachable instruction block/deadline-iosched.o: warning: objtool: deadline_exit_queue()+0x36: unreachable instruction fs/gfs2/trans.o: warning: objtool: gfs2_trans_begin()+0x49: unreachable instruction fs/ntfs/attrib.o: warning: objtool: ntfs_attr_lookup()+0x58: unreachable instruction fs/romfs/super.o: warning: objtool: romfs_readpage()+0xdc: unreachable instruction fs/f2fs/recovery.o: warning: objtool: f2fs_put_page()+0x6f: unreachable instruction fs/ntfs/collate.o: warning: objtool: ntfs_collate()+0x53: can't find jump dest instruction at .text+0x1d3 fs/jfs/jfs_xtree.o: warning: objtool: xtUpdate()+0x6e8: unreachable instruction cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/f2fs/data.o: warning: objtool: clear_cold_data()+0x43: unreachable instruction fs/ntfs/compress.o: warning: objtool: ntfs_read_compressed_block()+0xb2: unreachable instruction fs/hfsplus/xattr.o: warning: objtool: __hfsplus_setxattr()+0x2bb: unreachable instruction fs/jfs/jfs_imap.o: warning: objtool: diFree()+0x4bb: unreachable instruction fs/f2fs/node.o: warning: objtool: __move_free_nid()+0x42: unreachable instruction fs/jfs/jfs_dmap.o: warning: objtool: dbFindBits()+0x19: unreachable instruction drivers/base/regmap/regmap-irq.o: warning: objtool: regmap_irq_thread()+0xbc: unreachable instruction fs/btrfs/file-item.o: warning: objtool: btrfs_csum_one_bio()+0x13c: unreachable instruction fs/f2fs/segment.o: warning: objtool: current_sit_addr()+0x52: unreachable instruction fs/f2fs/xattr.o: warning: objtool: f2fs_put_page.constprop.11()+0x67: unreachable instruction fs/overlayfs/namei.o: warning: objtool: ovl_path_next()+0x3d: unreachable instruction fs/nilfs2/btree.o: warning: objtool: nilfs_btree_lookup_dirty_buffers()+0xa2: unreachable instruction fs/ntfs/dir.o: warning: objtool: ntfs_lookup_inode_by_name()+0x60: unreachable instruction drivers/block/pktcdvd.o: warning: objtool: pkt_make_request()+0x165: unreachable instruction fs/jfs/jfs_logmgr.o: warning: objtool: lbmIODone()+0x2cb: unreachable instruction fs/btrfs/extent-tree.o: warning: objtool: remove_extent_data_ref()+0x123: unreachable instruction mm/list_lru.o: warning: objtool: __list_lru_walk_one.isra.14()+0x9f: unreachable instruction fs/btrfs/transaction.o: warning: objtool: create_pending_snapshot()+0x247: unreachable instruction fs/gfs2/rgrp.o: warning: objtool: gfs2_rbm_find()+0x1fe: unreachable instruction fs/btrfs/disk-io.o: warning: objtool: btree_releasepage()+0x62: unreachable instruction drivers/ata/libata-core.o: warning: objtool: ata_qc_issue()+0x1fd: unreachable instruction fs/jfs/jfs_metapage.o: warning: objtool: last_read_complete()+0x53: unreachable instruction fs/jfs/jfs_txnmgr.o: warning: objtool: txUnlock()+0x6e: unreachable instruction fs/jfs/jfs_dtree.o: warning: objtool: add_index()+0x38: unreachable instruction mm/compaction.o: warning: objtool: isolate_migratepages_block()+0x3d7: unreachable instruction fs/ntfs/index.o: warning: objtool: ntfs_index_ctx_put()+0xa8: unreachable instruction lib/mpi/mpicoder.c:352:8: warning: 'buff' may be used uninitialized in this function [-Wuninitialized] drivers/block/skd_main.o: warning: objtool: skd_mq_queue_rq()+0x293: unreachable instruction cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/bcma/driver_chipcommon_pmu.o: warning: objtool: bcma_pmu_pll_clock()+0x4b: unreachable instruction fs/squashfs/file.o: warning: objtool: squashfs_fill_page()+0xa7: unreachable instruction lib/raid6/recov_avx512.c:387:2: warning: #warning "your version of binutils lacks AVX512 support" [-Wcpp] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/acpi/osl.o: warning: objtool: acpi_os_initialize1()+0xad: unreachable instruction fs/ufs/balloc.o: warning: objtool: ufs_new_fragments()+0x807: unreachable instruction crypto/algapi.o: warning: objtool: crypto_unregister_template()+0x4c: unreachable instruction fs/nilfs2/segment.o: warning: objtool: nilfs_lookup_dirty_data_buffers()+0x18e: unreachable instruction fs/notify/mark.o: warning: objtool: fsnotify_add_mark_locked()+0x53: unreachable instruction mm/percpu.o: warning: objtool: pcpu_setup_first_chunk()+0x4f: unreachable instruction fs/btrfs/ordered-data.o: warning: objtool: __btrfs_add_ordered_extent()+0x383: unreachable instruction fs/pipe.o: warning: objtool: anon_pipe_buf_steal()+0x4e: unreachable instruction fs/file.o: warning: objtool: expand_files()+0x1f4: unreachable instruction mm/debug.o: warning: objtool: __dump_page()+0xbe: unreachable instruction drivers/block/null_blk_main.o: warning: objtool: null_init_queue()+0x33: unreachable instruction fs/ufs/inode.o: warning: objtool: ufs_setattr()+0x162: unreachable instruction fs/btrfs/file.o: warning: objtool: btrfs_drop_pages()+0x5f: unreachable instruction drivers/block/sx8.o: warning: objtool: carm_queue_rq()+0x115: unreachable instruction fs/ntfs/super.o: warning: objtool: ntfs_fill_super()+0x190: unreachable instruction fs/udf/file.o: warning: objtool: udf_adinicb_writepage()+0x70: unreachable instruction fs/namei.o: warning: objtool: unlazy_walk()+0x35: unreachable instruction fs/ntfs/mft.o: warning: objtool: map_mft_record()+0x63: unreachable instruction mm/workingset.o: warning: objtool: workingset_eviction()+0x4e: unreachable instruction fs/ntfs/runlist.o: warning: objtool: ntfs_are_rl_mergeable()+0x2e: unreachable instruction drivers/base/devres.o: warning: objtool: release_nodes()+0x103: unreachable instruction fs/ufs/dir.o: warning: objtool: ufs_get_page.isra.14()+0x87: unreachable instruction lib/mpi/mpi-pow.o: warning: objtool: mpi_powm()+0x25f: unreachable instruction drivers/block/xen-blkfront.o: warning: objtool: blkif_free()+0x94: unreachable instruction fs/dcache.o: warning: objtool: d_instantiate_new()+0x38: unreachable instruction fs/squashfs/symlink.o: warning: objtool: squashfs_symlink_readpage()+0x1b6: unreachable instruction fs/libfs.o: warning: objtool: simple_write_end()+0x7e: unreachable instruction fs/inode.o: warning: objtool: clear_inode()+0x44: unreachable instruction fs/exec.o: warning: objtool: flush_old_exec()+0x27e: unreachable instruction fs/btrfs/locking.o: warning: objtool: btrfs_clear_lock_blocking_rw()+0x5d: unreachable instruction fs/ntfs/inode.o: warning: objtool: ntfs_init_locked_inode()+0x8e: unreachable instruction fs/splice.c:1383:29: warning: 'type' may be used uninitialized in this function [-Wuninitialized] fs/splice.c:1357:22: warning: 'type' may be used uninitialized in this function [-Wuninitialized] fs/udf/truncate.o: warning: objtool: udf_truncate_extents()+0x40: unreachable instruction cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/btrfs/ioctl.o: warning: objtool: btrfs_extent_same_range()+0x2b2: unreachable instruction fs/udf/inode.o: warning: objtool: udf_expand_file_adinicb()+0x193: unreachable instruction drivers/char/tpm/tpm-sysfs.c:37:16: warning: 'tpm_buf.data' may be used uninitialized in this function [-Wuninitialized] fs/ufs/util.o: warning: objtool: ufs_get_locked_page()+0x156: unreachable instruction fs/btrfs/extent_io.o: warning: objtool: set_btree_ioerr()+0x51: unreachable instruction cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/btrfs/volumes.o: warning: objtool: __btrfs_alloc_chunk()+0x59: unreachable instruction fs/btrfs/free-space-cache.o: warning: objtool: io_ctl_drop_pages()+0x73: unreachable instruction fs/btrfs/inode.o: warning: objtool: btrfs_writepage_start_hook()+0x54: unreachable instruction mm/gup.o: warning: objtool: page_cache_add_speculative()+0x35: unreachable instruction drivers/char/tpm/tpm2-cmd.c:616:20: warning: 'blob_handle' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/udf/unicode.c:132:8: warning: 'c' may be used uninitialized in this function [-Wuninitialized] fs/udf/symlink.o: warning: objtool: udf_symlink_filler()+0x235: unreachable instruction cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/crypto/ccree/cc_buffer_mgr.o: warning: objtool: dma_map_sg_attrs.constprop.24()+0x47: unreachable instruction drivers/dma-buf/reservation.c:211:7: warning: 'k' may be used uninitialized in this function [-Wuninitialized] fs/btrfs/compression.o: warning: objtool: end_compressed_writeback.isra.23()+0x128: unreachable instruction cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/ufs/super.o: warning: objtool: ufs_show_options()+0x66: unreachable instruction drivers/dma-buf/udmabuf.o: warning: objtool: map_udmabuf()+0xad: unreachable instruction fs/btrfs/scrub.o: warning: objtool: scrub_repair_page_from_good_copy()+0x56: unreachable instruction drivers/dma-buf/dma-buf.o: warning: objtool: dma_buf_release()+0x47: unreachable instruction drivers/dma-buf/dma-fence.o: warning: objtool: dma_fence_init()+0x44: unreachable instruction fs/mpage.o: warning: objtool: clean_buffers()+0x6e: unreachable instruction fs/btrfs/relocation.o: warning: objtool: select_reloc_root()+0x84: unreachable instruction fs/btrfs/delayed-inode.o: warning: objtool: btrfs_release_delayed_item()+0x4f: unreachable instruction fs/block_dev.o: warning: objtool: blkdev_get()+0x26c: unreachable instruction fs/userfaultfd.o: warning: objtool: userfaultfd_ctx_put()+0x3b: unreachable instruction fs/btrfs/backref.o: warning: objtool: find_parent_nodes()+0x107: unreachable instruction fs/btrfs/tests/extent-io-tests.o: warning: objtool: test_find_delalloc()+0xb5: unreachable instruction fs/direct-io.o: warning: objtool: do_blockdev_direct_IO()+0x58d: unreachable instruction fs/btrfs/raid56.o: warning: objtool: finish_parity_scrub()+0x6c: unreachable instruction mm/mmu_gather.o: warning: objtool: __tlb_remove_page_size()+0x3c: unreachable instruction mm/mlock.o: warning: objtool: PageTransHuge()+0x34: unreachable instruction fs/btrfs/qgroup.o: warning: objtool: btrfs_qgroup_trace_subtree()+0x49: unreachable instruction lib/rhashtable.c:264:2: warning: 'next' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/btrfs/send.o: warning: objtool: send_create_inode()+0x22d: unreachable instruction fs/locks.o: warning: objtool: locks_free_lock()+0x3b: unreachable instruction fs/btrfs/check-integrity.o: warning: objtool: btrfsic_block_link_hashtable_add()+0x60: unreachable instruction fs/iomap.o: warning: objtool: iomap_set_range_uptodate()+0xe4: unreachable instruction mm/pagewalk.o: warning: objtool: walk_page_vma()+0x43: unreachable instruction mm/pgtable-generic.o: warning: objtool: pmdp_huge_clear_flush()+0x3c: unreachable instruction drivers/hwspinlock/hwspinlock_core.c:328:6: warning: 'id' may be used uninitialized in this function [-Wuninitialized] drivers/hv/channel.c:549:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] mm/mprotect.o: warning: objtool: change_protection()+0x85: unreachable instruction mm/memory.o: warning: objtool: migration_entry_to_page()+0x79: unreachable instruction drivers/gpu/drm/amd/lib/chash.o: warning: objtool: chash_iter_relocate.isra.10()+0x52: unreachable instruction cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] mm/page_vma_mapped.o: warning: objtool: PageTransHuge()+0x35: unreachable instruction drivers/hv/channel_mgmt.o: warning: objtool: hv_process_channel_removal()+0x38: unreachable instruction mm/mmap.o: warning: objtool: __vma_adjust()+0x5d5: unreachable instruction mm/vmalloc.o: warning: objtool: alloc_vmap_area.isra.23()+0x48: unreachable instruction fs/buffer.o: warning: objtool: drop_buffers()+0x44: unreachable instruction drivers/hwspinlock/hwspinlock_core.o: warning: objtool: __hwspin_trylock()+0x38: unreachable instruction mm/mmu_notifier.o: warning: objtool: do_mmu_notifier_register()+0x3e: unreachable instruction mm/ksm.c:1395:15: warning: 'found_rmap_hlist_len' may be used uninitialized in this function [-Wuninitialized] mm/rmap.o: warning: objtool: PageTransHuge()+0x34: unreachable instruction cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] mm/ksm.o: warning: objtool: stable_node_chain_add_dup()+0x32: unreachable instruction drivers/input/gameport/gameport.o: warning: objtool: gameport_start_polling()+0x57: unreachable instruction include/linux/string.h:273:29: warning: array subscript is above array bounds [-Warray-bounds] drivers/input/mouse/cyapa.c:717:27: warning: 'error' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] lib/assoc_array.o: warning: objtool: assoc_array_destroy_subtree()+0x6e: unreachable instruction cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] mm/migrate.o: warning: objtool: PageTransHuge()+0x35: unreachable instruction drivers/gpu/drm/mgag200/mgag200_cursor.o: warning: objtool: mga_crtc_cursor_set()+0xf9: unreachable instruction mm/cleancache.o: warning: objtool: __cleancache_get_page()+0x91: unreachable instruction mm/slub.o: warning: objtool: __free_slab()+0xe8: unreachable instruction mm/khugepaged.o: warning: objtool: page_mapcount()+0x5d: unreachable instruction mm/memory-failure.o: warning: objtool: PageTransHuge()+0x35: unreachable instruction mm/page_isolation.o: warning: objtool: PageTransHuge()+0x35: unreachable instruction drivers/input/mouse/cyapa_gen3.c:927:5: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/md/persistent-data/dm-array.o: warning: objtool: fill_ablock()+0x40: unreachable instruction drivers/md/bcache/bset.o: warning: objtool: make_bfloat()+0x102: unreachable instruction drivers/md/persistent-data/dm-btree-remove.o: warning: objtool: node_copy()+0x46: unreachable instruction lib/genalloc.o: warning: objtool: gen_pool_free()+0x66: unreachable instruction mm/zsmalloc.o: warning: objtool: remove_zspage()+0x4f: unreachable instruction mm/hugetlb.o: warning: objtool: set_vma_resv_flags()+0x3a: unreachable instruction drivers/i2c/i2c-core-base.c:235:5: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] drivers/md/bcache/closure.o: warning: objtool: closure_put_after_sub()+0x34: unreachable instruction mm/huge_memory.o: warning: objtool: make_migration_entry()+0x6f: unreachable instruction drivers/md/bcache/btree.o: warning: objtool: bch_btree_insert_keys()+0x214: unreachable instruction drivers/message/fusion/mptsas.o: warning: objtool: mptsas_firmware_event_work()+0x638: unreachable instruction crypto/drbg.o: warning: objtool: drbg_async_seed()+0x74: unreachable instruction drivers/gpu/drm/scheduler/sched_main.c:363:20: warning: 'guilty_context' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] mm/page_idle.o: warning: objtool: page_idle_clear_pte_refs_one()+0x149: unreachable instruction drivers/ide/ide-io.o: warning: objtool: do_ide_request()+0x21c: unreachable instruction mm/usercopy.o: warning: objtool: __check_object_size()+0x106: unreachable instruction drivers/lightnvm/pblk-core.o: warning: objtool: pblk_map_invalidate()+0x51: unreachable instruction drivers/mfd/tc3589x.c:390:2: warning: 'version' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] mm/userfaultfd.o: warning: objtool: mcopy_atomic()+0x53: unreachable instruction drivers/mfd/arizona-core.c:1422:6: warning: 'n_subdevs' may be used uninitialized in this function [-Wuninitialized] mm/memfd.o: warning: objtool: page_mapcount()+0x5e: unreachable instruction mm/debug_page_ref.o: warning: objtool: page_mapcount()+0x5e: unreachable instruction cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/gpu/drm/ttm/ttm_tt.o: warning: objtool: ttm_tt_swapout()+0x40: unreachable instruction drivers/md/bcache/extents.o: warning: objtool: bch_extent_insert_fixup()+0x54: unreachable instruction drivers/ide/ide-probe.o: warning: objtool: ide_host_remove()+0x43: unreachable instruction drivers/pinctrl/intel/pinctrl-cherryview.c:1627:29: warning: 'irq_base' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/md/bcache/super.o: warning: objtool: cached_dev_detach_finish()+0x40: unreachable instruction drivers/misc/ad525x_dpot.o: warning: objtool: dpot_write_spi()+0x8a: unreachable instruction drivers/md/bcache/journal.o: warning: objtool: bch_journal_replay()+0x66: unreachable instruction drivers/lightnvm/pblk-read.o: warning: objtool: pblk_read_from_cache()+0x51: unreachable instruction drivers/md/raid5-ppl.o: warning: objtool: ppl_recover_entry()+0x2f6: unreachable instruction drivers/platform/chrome/cros_ec_i2c.o: warning: objtool: cros_ec_pkt_xfer_i2c()+0x6a: unreachable instruction drivers/nvdimm/btt.o: warning: objtool: btt_rw_page()+0x58: unreachable instruction drivers/md/bcache/writeback.o: warning: objtool: read_dirty()+0x41: unreachable instruction drivers/platform/chrome/cros_ec_proto.o: warning: objtool: cros_ec_prepare_tx()+0x42: unreachable instruction drivers/md/bcache/util.o: warning: objtool: bch_bio_map()+0x45: unreachable instruction drivers/gpu/drm/ttm/ttm_bo.o: warning: objtool: ttm_bo_release_list()+0x3d: unreachable instruction drivers/mmc/host/tifm_sd.o: warning: objtool: tifm_sd_exec()+0x48: unreachable instruction drivers/nvdimm/pmem.o: warning: objtool: pmem_rw_page()+0x54: unreachable instruction drivers/mmc/host/via-sdmmc.o: warning: objtool: via_sdc_send_command()+0x124: unreachable instruction drivers/md/md-bitmap.o: warning: objtool: free_buffers()+0x6b: unreachable instruction drivers/md/raid10.o: warning: objtool: raid10_sync_request()+0x77d: unreachable instruction drivers/md/raid5-cache.o: warning: objtool: r5c_flush_stripe()+0x3e: unreachable instruction drivers/md/bcache/request.o: warning: objtool: cache_lookup_fn()+0x129: unreachable instruction drivers/md/raid5.o: warning: objtool: schedule_reconstruction()+0x17e: unreachable instruction drivers/md/dm-io.o: warning: objtool: dispatch_io()+0x5b: unreachable instruction drivers/md/dm-kcopyd.o: warning: objtool: dm_kcopyd_client_destroy()+0xa1: unreachable instruction drivers/gpu/drm/qxl/qxl_gem.o: warning: objtool: qxl_gem_object_create_with_handle()+0x55: unreachable instruction drivers/mfd/wm8994-core.o: warning: objtool: wm8994_i2c_probe()+0x2ce: unreachable instruction drivers/gpu/drm/i915/intel_runtime_pm.o: warning: objtool: chv_phy_powergate_lanes()+0x4f: unreachable instruction drivers/md/dm-stripe.o: warning: objtool: stripe_map()+0x50: unreachable instruction drivers/gpu/drm/drm_crtc_helper.o: warning: objtool: drm_crtc_helper_set_config()+0x4b: unreachable instruction drivers/md/dm-table.o: warning: objtool: dm_table_complete()+0x85: unreachable instruction lib/oid_registry.o: warning: objtool: sprint_OID()+0x34: unreachable instruction drivers/gpu/drm/amd/amdgpu/soc15.c:542:3: warning: #warning "Enable CONFIG_DRM_AMD_DC for display support on SOC15." [-Wcpp] drivers/gpu/drm/amd/amdgpu/soc15.c:563:3: warning: #warning "Enable CONFIG_DRM_AMD_DC for display support on SOC15." [-Wcpp] drivers/misc/tifm_core.o: warning: objtool: tifm_map_sg()+0x5d: unreachable instruction cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/md/md.o: warning: objtool: read_rdev()+0x4e: unreachable instruction drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.o: warning: objtool: vmw_execbuf_process()+0xd80: unreachable instruction drivers/gpu/drm/drm_dp_mst_topology.c:364:23: warning: 'hdrlen' may be used uninitialized in this function [-Wuninitialized] drivers/md/dm.o: warning: objtool: dm_accept_partial_bio()+0x3a: unreachable instruction drivers/hwmon/ltc2990.c:151:17: warning: 'value' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/md/dm-region-hash.o: warning: objtool: dm_region_hash_destroy()+0x51: unreachable instruction cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c:1452:10: warning: missing braces around initializer [-Wmissing-braces] drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c:1452:10: warning: (near initialization for 'task_info.process_name') [-Wmissing-braces] drivers/md/dm-bufio.o: warning: objtool: __cache_size_refresh()+0x31: unreachable instruction drivers/gpu/drm/virtio/virtgpu_vq.o: warning: objtool: virtio_gpu_get_vbuf.isra.8()+0x5b: unreachable instruction cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/md/dm-cache-target.o: warning: objtool: map_bio()+0x12f: unreachable instruction drivers/gpu/drm/vmwgfx/vmwgfx_drv.o: warning: objtool: vmw_master_set()+0x70: unreachable instruction drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c:264:10: warning: missing braces around initializer [-Wmissing-braces] drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c:264:10: warning: (near initialization for 'task_info.process_name') [-Wmissing-braces] drivers/gpu/drm/nouveau/nvkm/core/mm.o: warning: objtool: nvkm_mm_init()+0x65: unreachable instruction cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/gpu/drm/drm_scatter.o: warning: objtool: drm_sg_cleanup()+0x68: unreachable instruction drivers/md/dm-thin.o: warning: objtool: cmp_cells()+0x35: unreachable instruction drivers/scsi/aacraid/commctrl.o: warning: objtool: aac_do_ioctl()+0x284: unreachable instruction drivers/gpu/drm/amd/amdgpu/sdma_v4_0.o: warning: objtool: sdma_v4_0_ring_emit_fence()+0x48: unreachable instruction drivers/misc/vmw_balloon.o: warning: objtool: vmballoon_deflate()+0xa6: unreachable instruction drivers/gpu/drm/drm_global.o: warning: objtool: drm_global_release()+0x3b: unreachable instruction drivers/gpu/drm/nouveau/nvkm/core/notify.o: warning: objtool: nvkm_notify_send()+0x40: unreachable instruction drivers/gpu/drm/vmwgfx/vmwgfx_ldu.o: warning: objtool: vmw_ldu_primary_plane_atomic_update()+0x6e: unreachable instruction drivers/gpu/drm/drm_pci.o: warning: objtool: drm_pci_alloc()+0x97: unreachable instruction drivers/gpu/drm/vmwgfx/vmwgfx_fifo.o: warning: objtool: vmw_local_fifo_commit()+0x79: unreachable instruction drivers/gpu/drm/amd/amdgpu/gfx_v8_0.o: warning: objtool: gfx_v8_0_ring_emit_patch_cond_exec()+0x39: unreachable instruction drivers/gpu/drm/drm_prime.o: warning: objtool: drm_gem_map_dma_buf()+0x137: unreachable instruction drivers/gpu/drm/amd/amdgpu/gfx_v9_0.o: warning: objtool: gfx_v9_0_ring_emit_patch_cond_exec()+0x39: unreachable instruction lib/ioremap.o: warning: objtool: ioremap_page_range()+0x5d: unreachable instruction lib/kobject.o: warning: objtool: kobject_add_internal()+0x18c: unreachable instruction drivers/tty/serial/8250/8250_core.c:247:18: warning: 'i' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/gpu/drm/drm_atomic.c:412:38: warning: 'crtc_state' may be used uninitialized in this function [-Wuninitialized] include/linux/spinlock.h:384:2: warning: 'flags' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/gpu/drm/vmwgfx/vmwgfx_overlay.o: warning: objtool: vmw_overlay_stop()+0xaf: unreachable instruction lib/radix-tree.o: warning: objtool: radix_tree_insert()+0x41: unreachable instruction lib/plist.o: warning: objtool: plist_requeue()+0x3a: unreachable instruction drivers/tty/serial/8250/8250_core.o: warning: objtool: univ8250_release_irq()+0x88: unreachable instruction drivers/gpu/drm/i915/i915_gem_dmabuf.o: warning: objtool: i915_gem_map_dma_buf()+0x154: unreachable instruction drivers/scsi/isci/remote_node_table.o: warning: objtool: sci_remote_node_table_clear_group_index()+0x39: unreachable instruction drivers/scsi/mpt3sas/mpt3sas_config.o: warning: objtool: _config_request.constprop.7()+0x12b: unreachable instruction cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/scsi/aacraid/src.c:98:4: warning: 'bellbits' may be used uninitialized in this function [-Wuninitialized] drivers/virtio/virtio.o: warning: objtool: virtio_dev_probe()+0x82: unreachable instruction cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_packet_manager.c:189:32: warning: 'rl_buffer' may be used uninitialized in this function [-Wuninitialized] drivers/gpu/drm/drm_vblank.o: warning: objtool: drm_vblank_restore()+0x85: unreachable instruction cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/scsi/isci/request.o: warning: objtool: sci_io_request_get_dma_addr()+0x2e: unreachable instruction drivers/gpu/drm/vmwgfx/vmwgfx_mob.o: warning: objtool: vmw_mob_pt_setup()+0x4f: unreachable instruction drivers/virtio/virtio_ring.o: warning: objtool: detach_buf()+0x113: unreachable instruction drivers/scsi/aic94xx/aic94xx_task.o: warning: objtool: asd_unmap_scatterlist()+0x88: unreachable instruction drivers/tty/serial/fsl_lpuart.o: warning: objtool: dma_map_sg_attrs.constprop.18()+0x47: unreachable instruction drivers/gpu/drm/vmwgfx/vmwgfx_shader.c:1020:6: warning: 'res' may be used uninitialized in this function [-Wuninitialized] drivers/target/target_core_transport.o: warning: objtool: target_submit_cmd_map_sgls()+0x61: unreachable instruction cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/scsi/pm8001/pm8001_sas.o: warning: objtool: pm8001_task_exec.isra.8()+0x219: unreachable instruction drivers/scsi/aic94xx/aic94xx_seq.o: warning: objtool: asd_download_seq()+0x1ae: unreachable instruction drivers/scsi/pm8001/pm8001_hwi.o: warning: objtool: dma_map_sg_attrs.constprop.9()+0x52: unreachable instruction drivers/xen/events/events_base.o: warning: objtool: pirq_from_irq()+0x33: unreachable instruction drivers/gpu/drm/i915/i915_gem_userptr.o: warning: objtool: i915_gem_userptr_put_pages()+0x3f: unreachable instruction drivers/scsi/scsi_lib_dma.o: warning: objtool: scsi_dma_map()+0x7b: unreachable instruction drivers/scsi/libsas/sas_expander.o: warning: objtool: sas_add_parent_port()+0x55: unreachable instruction drivers/video/fbdev/core/fb_defio.o: warning: objtool: fb_deferred_io_set_page_dirty()+0x4b: unreachable instruction drivers/xen/balloon.o: warning: objtool: balloon_process()+0x12a: unreachable instruction drivers/scsi/am53c974.c:173:6: warning: 'resid' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/xen/mem-reservation.o: warning: objtool: __xenmem_reservation_va_mapping_update()+0x64: unreachable instruction drivers/scsi/mvumi.o: warning: objtool: mvumi_queue_command()+0x1cb: unreachable instruction drivers/scsi/xen-scsifront.o: warning: objtool: scsifront_queuecommand()+0x227: unreachable instruction drivers/scsi/vmw_pvscsi.o: warning: objtool: pvscsi_probe()+0x161: unreachable instruction drivers/scsi/virtio_scsi.o: warning: objtool: virtscsi_queuecommand()+0x50: unreachable instruction drivers/scsi/pm8001/pm80xx_hwi.o: warning: objtool: dma_map_sg_attrs.constprop.15()+0x52: unreachable instruction drivers/scsi/esp_scsi.o: warning: objtool: esp_free_lun_tag()+0x3f: unreachable instruction drivers/xen/grant-table.o: warning: objtool: gnttab_map()+0x4c: unreachable instruction drivers/xen/gntdev-dmabuf.o: warning: objtool: dmabuf_exp_ops_map_dma_buf()+0x119: unreachable instruction drivers/scsi/scsi_debug.o: warning: objtool: prot_verify_write()+0x4b: unreachable instruction drivers/xen/privcmd.o: warning: objtool: mmap_batch_fn()+0x65: unreachable instruction drivers/gpu/drm/i915/intel_ddi.o: warning: objtool: intel_ddi_enable_transcoder_func()+0x6c: unreachable instruction drivers/gpu/drm/nouveau/nvkm/subdev/top/gk104.c:90:20: warning: 'inst' may be used uninitialized in this function [-Wuninitialized] drivers/gpu/drm/nouveau/nvkm/subdev/top/gk104.c:76:3: warning: 'type' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/gpu/drm/i915/intel_display.o: warning: objtool: ironlake_crtc_enable()+0x143: unreachable instruction drivers/gpu/drm/nouveau/nouveau_usif.o: warning: objtool: usif_notify()+0x8d: unreachable instruction arch/x86/include/asm/io.h:66:1: warning: 'b' may be used uninitialized in this function [-Wuninitialized] arch/x86/include/asm/io.h:66:1: warning: 'g' may be used uninitialized in this function [-Wuninitialized] arch/x86/include/asm/io.h:66:1: warning: 'r' may be used uninitialized in this function [-Wuninitialized] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] Full Log # git rev-parse -q --verify 35c55685fc807fb536067602418f4a12dde23987^{commit} 35c55685fc807fb536067602418f4a12dde23987 already have revision, skipping fetch # git checkout -q -f -B kisskb 35c55685fc807fb536067602418f4a12dde23987 # git clean -qxdf # < git log -1 # commit 35c55685fc807fb536067602418f4a12dde23987 # Merge: d5335b3dfc61 24cc61d8cb5a # Author: Linus Torvalds <torvalds@linux-foundation.org> # Date: Sat Nov 10 07:07:21 2018 -0600 # # Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux # # Pull arm64 fixes from Catalin Marinas: # # - Fix occasional page fault during boot due to memblock resizing before # the linear map is up. # # - Define NET_IP_ALIGN to 0 to improve the DMA performance on some # platforms. # # - lib/raid6 test build fix. # # - .mailmap update for Punit Agrawal # # * tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: # arm64: memblock: don't permit memblock resizing until linear mapping is up # arm64: mm: define NET_IP_ALIGN to 0 # lib/raid6: Fix arm64 test build # mailmap: Update email for Punit Agrawal # < /opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-gcc --version # < git log --format=%s --max-count=1 35c55685fc807fb536067602418f4a12dde23987 # < 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=0xA3CE64 # 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 # 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()+0x2f: unreachable instruction arch/x86/xen/enlighten.o: warning: objtool: xen_vcpu_restore()+0x89: unreachable instruction arch/x86/platform/efi/efi.o: warning: objtool: efi_enter_virtual_mode()+0xf2: unreachable instruction kernel/time/hrtimer.o: warning: objtool: hrtimers_dead_cpu()+0x3e: unreachable instruction kernel/cpu.o: warning: objtool: takedown_cpu()+0xac: unreachable instruction /kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl': /kisskb/src/kernel/printk/printk.c:186:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] arch/x86/mm/init_64.o: warning: objtool: __init_extra_mapping()+0xb5: unreachable instruction arch/x86/kernel/traps.o: warning: objtool: ist_begin_non_atomic()+0x2b: unreachable instruction /kisskb/src/kernel/printk/printk.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] kernel/exit.o: warning: objtool: release_task()+0xad: 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] kernel/dma/swiotlb.o: warning: objtool: swiotlb_tbl_map_single()+0xd1: unreachable instruction /kisskb/src/arch/x86/kernel/apic/io_apic.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] kernel/softirq.o: warning: objtool: tasklet_kill_immediate()+0x38: unreachable instruction kernel/time/timer.o: warning: objtool: timers_dead_cpu()+0x40: unreachable instruction kernel/fork.o: warning: objtool: copy_process()+0x236: unreachable instruction arch/x86/kernel/apic/vector.o: warning: objtool: arch_early_irq_init()+0x42: unreachable instruction mm/filemap.o: warning: objtool: PageTransHuge()+0x34: unreachable instruction kernel/events/uprobes.o: warning: objtool: uprobe_write_opcode()+0x1bb: unreachable instruction arch/x86/kernel/setup.o: warning: objtool: extend_brk()+0x36: unreachable instruction kernel/sched/rt.o: warning: objtool: pick_next_pushable_task()+0x8f: unreachable instruction arch/x86/kernel/nmi.o: warning: objtool: do_nmi()+0xd5: unreachable instruction arch/x86/xen/p2m.o: warning: objtool: xen_alloc_p2m_entry()+0x61: unreachable instruction arch/x86/xen/setup.o: warning: objtool: xen_del_extra_mem()+0x59: unreachable instruction kernel/irq/matrix.o: warning: objtool: irq_matrix_assign_system()+0x44: unreachable instruction fs/affs/file.o: warning: objtool: affs_get_extblock()+0x67: unreachable instruction kernel/sched/deadline.o: warning: objtool: pick_next_pushable_dl_task()+0x4d: unreachable instruction arch/x86/xen/suspend_pv.o: warning: objtool: xen_pv_pre_suspend()+0x5b: unreachable instruction block/elevator.o: warning: objtool: __elv_add_request()+0x262: unreachable instruction kernel/sched/core.o: warning: objtool: sched_cpu_dying()+0x70: unreachable instruction block/bio.o: warning: objtool: bio_split()+0x3f: unreachable instruction block/blk-flush.o: warning: objtool: blk_flush_complete_seq()+0x57: unreachable instruction fs/befs/linuxvfs.o: warning: objtool: befs_symlink_readpage()+0xd6: unreachable instruction fs/cramfs/inode.o: warning: objtool: cramfs_readpage()+0x270: unreachable instruction kernel/signal.o: warning: objtool: task_set_jobctl_pending()+0x37: unreachable instruction fs/affs/symlink.o: warning: objtool: affs_symlink_readpage()+0x1b9: unreachable instruction fs/crypto/crypto.o: warning: objtool: fscrypt_decrypt_page()+0x8c: unreachable instruction crypto/asymmetric_keys/public_key.o: warning: objtool: public_key_verify_signature()+0x50: unreachable instruction arch/x86/kernel/quirks.o: warning: objtool: force_hpet_resume()+0x56: unreachable instruction arch/x86/kernel/alternative.o: warning: objtool: text_poke()+0x44: unreachable instruction fs/ecryptfs/read_write.o: warning: objtool: ecryptfs_write()+0x1c7: unreachable instruction /kisskb/src/arch/x86/kernel/e820.c: In function 'e820__setup_pci_gap': /kisskb/src/arch/x86/kernel/e820.c:650:16: warning: 'gapstart' may be used uninitialized in this function [-Wuninitialized] fs/configfs/dir.o: warning: objtool: configfs_rmdir()+0x5a: unreachable instruction kernel/params.o: warning: objtool: param_sysfs_init()+0x1cb: unreachable instruction fs/btrfs/ctree.o: warning: objtool: __tree_mod_log_search()+0x7c: unreachable instruction security/keys/keyring.o: warning: objtool: search_nested_keyrings()+0x51: unreachable instruction /kisskb/src/arch/x86/kernel/e820.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/ecryptfs/mmap.o: warning: objtool: ecryptfs_writepage()+0x65: unreachable instruction arch/x86/kernel/e820.o: warning: objtool: e820__reallocate_tables()+0x4d: unreachable instruction block/blk-core.o: warning: objtool: __blk_put_request()+0x1d7: unreachable instruction arch/x86/xen/multicalls.o: warning: objtool: xen_mc_flush()+0x5a: unreachable instruction arch/x86/kernel/cpu/common.o: warning: objtool: identify_secondary_cpu()+0x2d: 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] /kisskb/src/arch/x86/kernel/hw_breakpoint.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/fscache/cache.o: warning: objtool: fscache_add_cache()+0x42: unreachable instruction kernel/workqueue.o: warning: objtool: workqueue_init_early()+0x7d: unreachable instruction kernel/cred.o: warning: objtool: __put_cred()+0x2f: unreachable instruction /kisskb/src/fs/gfs2/bmap.c: In function 'gfs2_iomap_get': /kisskb/src/fs/gfs2/bmap.c:926:18: warning: 'height' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/gfs2/bmap.c:786:15: warning: 'len' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/gfs2/bmap.c:817:6: note: 'len' was declared here fs/fscache/cookie.o: warning: objtool: fscache_alloc_object()+0xec: unreachable instruction fs/ecryptfs/crypto.o: warning: objtool: ecryptfs_compute_root_iv()+0x44: unreachable instruction arch/x86/xen/enlighten_pv.o: warning: objtool: set_aliased_prot()+0x46: unreachable instruction mm/readahead.o: warning: objtool: __do_page_cache_readahead()+0x195: unreachable instruction /kisskb/src/fs/gfs2/bmap.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/hugetlbfs/inode.o: warning: objtool: remove_huge_page()+0x4a: unreachable instruction arch/x86/xen/smp_pv.o: warning: objtool: xen_pv_cpu_up()+0x14c: unreachable instruction crypto/async_tx/async_tx.o: warning: objtool: async_tx_submit()+0x54: unreachable instruction fs/gfs2/bmap.o: warning: objtool: gfs2_indirect_init()+0x65: unreachable instruction fs/crypto/bio.o: warning: objtool: __fscrypt_decrypt_bio()+0xbb: unreachable instruction mm/util.o: warning: objtool: page_mapped()+0xc5: unreachable instruction crypto/api.o: warning: objtool: __crypto_alloc_tfm()+0x42: unreachable instruction fs/f2fs/inode.o: warning: objtool: f2fs_chksum()+0x41: unreachable instruction /kisskb/src/arch/x86/xen/mmu_pv.c: In function 'xen_remap_pfn': /kisskb/src/arch/x86/xen/mmu_pv.c:2787:12: warning: 'i' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/arch/x86/xen/mmu_pv.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] kernel/smpboot.o: warning: objtool: smpboot_thread_fn()+0x1c8: unreachable instruction fs/f2fs/inline.o: warning: objtool: clear_inline_node()+0x44: unreachable instruction arch/x86/xen/mmu_pv.o: warning: objtool: xen_exchange_memory()+0x85: unreachable instruction mm/truncate.o: warning: objtool: PageTransHuge()+0x35: unreachable instruction fs/btrfs/print-tree.o: warning: objtool: btrfs_print_tree()+0x1ca: unreachable instruction fs/f2fs/dir.o: warning: objtool: f2fs_put_page()+0x6f: unreachable instruction mm/page-writeback.o: warning: objtool: __set_page_dirty_no_writeback()+0x4a: unreachable instruction kernel/kexec_file.o: warning: objtool: arch_kexec_kernel_image_load()+0x22: unsupported stack register modification block/partition-generic.o: warning: objtool: read_dev_sector()+0x8c: unreachable instruction mm/shmem.o: warning: objtool: shmem_writepage()+0x50: unreachable instruction crypto/async_tx/async_pq.o: warning: objtool: async_gen_syndrome()+0x67: unreachable instruction fs/jfs/namei.o: warning: objtool: jfs_rename()+0x2e1: unreachable instruction arch/x86/kernel/machine_kexec_64.o: warning: objtool: arch_kexec_kernel_image_load()+0x3c: unsupported stack register modification fs/gfs2/dir.o: warning: objtool: gfs2_dir_get_hash_table()+0x3c: unreachable instruction fs/nilfs2/inode.o: warning: objtool: nilfs_set_page_dirty()+0x82: unreachable instruction fs/fscache/object.o: warning: objtool: fscache_look_up_object()+0x5c: unreachable instruction fs/f2fs/file.o: warning: objtool: f2fs_put_page()+0x6e: unreachable instruction fs/fscache/operation.o: warning: objtool: fscache_put_operation()+0x5e: unreachable instruction fs/fscache/page.o: warning: objtool: __fscache_read_or_alloc_page()+0xa5: unreachable instruction kernel/kexec_core.o: warning: objtool: kimage_free_pages()+0x99: unreachable instruction fs/f2fs/checkpoint.o: warning: objtool: f2fs_crc32()+0x3c: unreachable instruction fs/nilfs2/file.o: warning: objtool: nilfs_page_mkwrite()+0x15f: unreachable instruction mm/vmscan.o: warning: objtool: PageTransHuge()+0x35: unreachable instruction fs/f2fs/super.o: warning: objtool: __f2fs_crc32.isra.77()+0x3d: unreachable instruction mm/swap.o: warning: objtool: perf_trace_mm_lru_insertion()+0x130: unreachable instruction fs/nilfs2/page.o: warning: objtool: nilfs_copy_page()+0x72: unreachable instruction fs/nilfs2/btnode.o: warning: objtool: nilfs_btnode_delete()+0x6a: unreachable instruction fs/nilfs2/dir.o: warning: objtool: nilfs_get_page.isra.15()+0x8d: unreachable instruction fs/gfs2/meta_io.o: warning: objtool: gfs2_aspace_writepage()+0x96: unreachable instruction fs/nilfs2/bmap.o: warning: objtool: nilfs_bmap_data_get_key()+0x75: unreachable instruction kernel/seccomp.o: warning: objtool: do_seccomp()+0x7b: unreachable instruction fs/ntfs/aops.o: warning: objtool: ntfs_bmap()+0xae: unreachable instruction /kisskb/src/fs/f2fs/node.c: In function '__set_nat_cache_dirty': /kisskb/src/include/linux/list.h:63:13: warning: 'head' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/f2fs/node.c:237:24: note: 'head' was declared here fs/gfs2/lops.o: warning: objtool: gfs2_end_log_write()+0xb9: unreachable instruction fs/f2fs/gc.o: warning: objtool: set_cold_data()+0x43: unreachable instruction block/mq-deadline.o: warning: objtool: dd_dispatch_request()+0xcb: unreachable instruction fs/gfs2/aops.o: warning: objtool: jdata_set_page_dirty()+0x48: unreachable instruction fs/gfs2/glock.o: warning: objtool: __gfs2_glock_put()+0x7e: unreachable instruction drivers/block/brd.o: warning: objtool: brd_insert_page()+0x102: unreachable instruction fs/gfs2/ops_fstype.o: warning: objtool: gfs2_read_super()+0xbf: unreachable instruction /kisskb/src/sound/core/pcm_iec958.c: In function 'create_iec958_consumer': /kisskb/src/sound/core/pcm_iec958.c:80:9: warning: 'ws' may be used uninitialized in this function [-Wuninitialized] mm/page_alloc.o: warning: objtool: page_is_buddy()+0x78: unreachable instruction /kisskb/src/sound/core/pcm_iec958.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/gfs2/quota.o: warning: objtool: gfs2_write_buf_to_page()+0xc7: unreachable instruction arch/x86/kernel/amd_gart_64.o: warning: objtool: dma_map_cont()+0x45: unreachable instruction fs/nilfs2/mdt.o: warning: objtool: nilfs_page_get_nth_block()+0x3d: unreachable instruction block/deadline-iosched.o: warning: objtool: deadline_exit_queue()+0x36: unreachable instruction fs/gfs2/trans.o: warning: objtool: gfs2_trans_begin()+0x49: unreachable instruction fs/ntfs/attrib.o: warning: objtool: ntfs_attr_lookup()+0x58: unreachable instruction fs/romfs/super.o: warning: objtool: romfs_readpage()+0xdc: unreachable instruction fs/f2fs/recovery.o: warning: objtool: f2fs_put_page()+0x6f: unreachable instruction fs/ntfs/collate.o: warning: objtool: ntfs_collate()+0x53: can't find jump dest instruction at .text+0x1d3 fs/jfs/jfs_xtree.o: warning: objtool: xtUpdate()+0x6e8: unreachable instruction /kisskb/src/fs/f2fs/node.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/f2fs/data.o: warning: objtool: clear_cold_data()+0x43: unreachable instruction fs/ntfs/compress.o: warning: objtool: ntfs_read_compressed_block()+0xb2: unreachable instruction fs/hfsplus/xattr.o: warning: objtool: __hfsplus_setxattr()+0x2bb: unreachable instruction fs/jfs/jfs_imap.o: warning: objtool: diFree()+0x4bb: unreachable instruction fs/f2fs/node.o: warning: objtool: __move_free_nid()+0x42: unreachable instruction fs/jfs/jfs_dmap.o: warning: objtool: dbFindBits()+0x19: unreachable instruction drivers/base/regmap/regmap-irq.o: warning: objtool: regmap_irq_thread()+0xbc: unreachable instruction fs/btrfs/file-item.o: warning: objtool: btrfs_csum_one_bio()+0x13c: unreachable instruction fs/f2fs/segment.o: warning: objtool: current_sit_addr()+0x52: unreachable instruction fs/f2fs/xattr.o: warning: objtool: f2fs_put_page.constprop.11()+0x67: unreachable instruction fs/overlayfs/namei.o: warning: objtool: ovl_path_next()+0x3d: unreachable instruction fs/nilfs2/btree.o: warning: objtool: nilfs_btree_lookup_dirty_buffers()+0xa2: unreachable instruction fs/ntfs/dir.o: warning: objtool: ntfs_lookup_inode_by_name()+0x60: unreachable instruction drivers/block/pktcdvd.o: warning: objtool: pkt_make_request()+0x165: unreachable instruction fs/jfs/jfs_logmgr.o: warning: objtool: lbmIODone()+0x2cb: unreachable instruction fs/btrfs/extent-tree.o: warning: objtool: remove_extent_data_ref()+0x123: unreachable instruction mm/list_lru.o: warning: objtool: __list_lru_walk_one.isra.14()+0x9f: unreachable instruction fs/btrfs/transaction.o: warning: objtool: create_pending_snapshot()+0x247: unreachable instruction fs/gfs2/rgrp.o: warning: objtool: gfs2_rbm_find()+0x1fe: unreachable instruction fs/btrfs/disk-io.o: warning: objtool: btree_releasepage()+0x62: unreachable instruction drivers/ata/libata-core.o: warning: objtool: ata_qc_issue()+0x1fd: unreachable instruction fs/jfs/jfs_metapage.o: warning: objtool: last_read_complete()+0x53: unreachable instruction fs/jfs/jfs_txnmgr.o: warning: objtool: txUnlock()+0x6e: unreachable instruction fs/jfs/jfs_dtree.o: warning: objtool: add_index()+0x38: unreachable instruction mm/compaction.o: warning: objtool: isolate_migratepages_block()+0x3d7: unreachable instruction fs/ntfs/index.o: warning: objtool: ntfs_index_ctx_put()+0xa8: unreachable instruction /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] drivers/block/skd_main.o: warning: objtool: skd_mq_queue_rq()+0x293: unreachable instruction /kisskb/src/lib/mpi/mpicoder.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/bcma/driver_chipcommon_pmu.o: warning: objtool: bcma_pmu_pll_clock()+0x4b: unreachable instruction fs/squashfs/file.o: warning: objtool: squashfs_fill_page()+0xa7: unreachable instruction /kisskb/src/lib/raid6/recov_avx512.c:387:2: warning: #warning "your version of binutils lacks AVX512 support" [-Wcpp] cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/acpi/osl.o: warning: objtool: acpi_os_initialize1()+0xad: unreachable instruction fs/ufs/balloc.o: warning: objtool: ufs_new_fragments()+0x807: unreachable instruction crypto/algapi.o: warning: objtool: crypto_unregister_template()+0x4c: unreachable instruction fs/nilfs2/segment.o: warning: objtool: nilfs_lookup_dirty_data_buffers()+0x18e: unreachable instruction fs/notify/mark.o: warning: objtool: fsnotify_add_mark_locked()+0x53: unreachable instruction mm/percpu.o: warning: objtool: pcpu_setup_first_chunk()+0x4f: unreachable instruction fs/btrfs/ordered-data.o: warning: objtool: __btrfs_add_ordered_extent()+0x383: unreachable instruction fs/pipe.o: warning: objtool: anon_pipe_buf_steal()+0x4e: unreachable instruction fs/file.o: warning: objtool: expand_files()+0x1f4: unreachable instruction mm/debug.o: warning: objtool: __dump_page()+0xbe: unreachable instruction drivers/block/null_blk_main.o: warning: objtool: null_init_queue()+0x33: unreachable instruction fs/ufs/inode.o: warning: objtool: ufs_setattr()+0x162: unreachable instruction fs/btrfs/file.o: warning: objtool: btrfs_drop_pages()+0x5f: unreachable instruction drivers/block/sx8.o: warning: objtool: carm_queue_rq()+0x115: unreachable instruction fs/ntfs/super.o: warning: objtool: ntfs_fill_super()+0x190: unreachable instruction fs/udf/file.o: warning: objtool: udf_adinicb_writepage()+0x70: unreachable instruction fs/namei.o: warning: objtool: unlazy_walk()+0x35: unreachable instruction fs/ntfs/mft.o: warning: objtool: map_mft_record()+0x63: unreachable instruction mm/workingset.o: warning: objtool: workingset_eviction()+0x4e: unreachable instruction fs/ntfs/runlist.o: warning: objtool: ntfs_are_rl_mergeable()+0x2e: unreachable instruction drivers/base/devres.o: warning: objtool: release_nodes()+0x103: unreachable instruction fs/ufs/dir.o: warning: objtool: ufs_get_page.isra.14()+0x87: unreachable instruction lib/mpi/mpi-pow.o: warning: objtool: mpi_powm()+0x25f: unreachable instruction drivers/block/xen-blkfront.o: warning: objtool: blkif_free()+0x94: unreachable instruction fs/dcache.o: warning: objtool: d_instantiate_new()+0x38: unreachable instruction fs/squashfs/symlink.o: warning: objtool: squashfs_symlink_readpage()+0x1b6: unreachable instruction fs/libfs.o: warning: objtool: simple_write_end()+0x7e: unreachable instruction fs/inode.o: warning: objtool: clear_inode()+0x44: unreachable instruction fs/exec.o: warning: objtool: flush_old_exec()+0x27e: unreachable instruction fs/btrfs/locking.o: warning: objtool: btrfs_clear_lock_blocking_rw()+0x5d: unreachable instruction fs/ntfs/inode.o: warning: objtool: ntfs_init_locked_inode()+0x8e: unreachable instruction /kisskb/src/fs/splice.c: In function '__do_compat_sys_vmsplice': /kisskb/src/fs/splice.c:1383:29: warning: 'type' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/splice.c: In function '__do_sys_vmsplice': /kisskb/src/fs/splice.c:1357:22: warning: 'type' may be used uninitialized in this function [-Wuninitialized] fs/udf/truncate.o: warning: objtool: udf_truncate_extents()+0x40: unreachable instruction /kisskb/src/fs/splice.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/btrfs/ioctl.o: warning: objtool: btrfs_extent_same_range()+0x2b2: unreachable instruction fs/udf/inode.o: warning: objtool: udf_expand_file_adinicb()+0x193: 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] fs/ufs/util.o: warning: objtool: ufs_get_locked_page()+0x156: unreachable instruction fs/btrfs/extent_io.o: warning: objtool: set_btree_ioerr()+0x51: unreachable instruction /kisskb/src/drivers/char/tpm/tpm-sysfs.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/btrfs/volumes.o: warning: objtool: __btrfs_alloc_chunk()+0x59: unreachable instruction fs/btrfs/free-space-cache.o: warning: objtool: io_ctl_drop_pages()+0x73: unreachable instruction fs/btrfs/inode.o: warning: objtool: btrfs_writepage_start_hook()+0x54: unreachable instruction mm/gup.o: warning: objtool: page_cache_add_speculative()+0x35: unreachable instruction /kisskb/src/drivers/char/tpm/tpm2-cmd.c: In function 'tpm2_unseal_trusted': /kisskb/src/drivers/char/tpm/tpm2-cmd.c:616:20: warning: 'blob_handle' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/char/tpm/tpm2-cmd.c:667:6: note: 'blob_handle' was declared here /kisskb/src/drivers/char/tpm/tpm2-cmd.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] /kisskb/src/fs/udf/unicode.c: In function 'udf_name_conv_char': /kisskb/src/fs/udf/unicode.c:132:8: warning: 'c' may be used uninitialized in this function [-Wuninitialized] fs/udf/symlink.o: warning: objtool: udf_symlink_filler()+0x235: unreachable instruction /kisskb/src/fs/udf/unicode.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/crypto/ccree/cc_buffer_mgr.o: warning: objtool: dma_map_sg_attrs.constprop.24()+0x47: unreachable instruction /kisskb/src/drivers/dma-buf/reservation.c: In function 'reservation_object_add_shared_fence': /kisskb/src/drivers/dma-buf/reservation.c:211:7: warning: 'k' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/dma-buf/reservation.c:161:17: note: 'k' was declared here fs/btrfs/compression.o: warning: objtool: end_compressed_writeback.isra.23()+0x128: unreachable instruction /kisskb/src/drivers/dma-buf/reservation.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/ufs/super.o: warning: objtool: ufs_show_options()+0x66: unreachable instruction drivers/dma-buf/udmabuf.o: warning: objtool: map_udmabuf()+0xad: unreachable instruction fs/btrfs/scrub.o: warning: objtool: scrub_repair_page_from_good_copy()+0x56: unreachable instruction drivers/dma-buf/dma-buf.o: warning: objtool: dma_buf_release()+0x47: unreachable instruction drivers/dma-buf/dma-fence.o: warning: objtool: dma_fence_init()+0x44: unreachable instruction fs/mpage.o: warning: objtool: clean_buffers()+0x6e: unreachable instruction fs/btrfs/relocation.o: warning: objtool: select_reloc_root()+0x84: unreachable instruction fs/btrfs/delayed-inode.o: warning: objtool: btrfs_release_delayed_item()+0x4f: unreachable instruction fs/block_dev.o: warning: objtool: blkdev_get()+0x26c: unreachable instruction fs/userfaultfd.o: warning: objtool: userfaultfd_ctx_put()+0x3b: unreachable instruction fs/btrfs/backref.o: warning: objtool: find_parent_nodes()+0x107: unreachable instruction fs/btrfs/tests/extent-io-tests.o: warning: objtool: test_find_delalloc()+0xb5: unreachable instruction fs/direct-io.o: warning: objtool: do_blockdev_direct_IO()+0x58d: unreachable instruction fs/btrfs/raid56.o: warning: objtool: finish_parity_scrub()+0x6c: unreachable instruction mm/mmu_gather.o: warning: objtool: __tlb_remove_page_size()+0x3c: unreachable instruction mm/mlock.o: warning: objtool: PageTransHuge()+0x34: unreachable instruction fs/btrfs/qgroup.o: warning: objtool: btrfs_qgroup_trace_subtree()+0x49: unreachable instruction /kisskb/src/lib/rhashtable.c: In function 'rht_deferred_worker': /kisskb/src/lib/rhashtable.c:264:2: warning: 'next' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/lib/rhashtable.c:229:28: note: 'next' was declared here /kisskb/src/lib/rhashtable.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] fs/btrfs/send.o: warning: objtool: send_create_inode()+0x22d: unreachable instruction fs/locks.o: warning: objtool: locks_free_lock()+0x3b: unreachable instruction fs/btrfs/check-integrity.o: warning: objtool: btrfsic_block_link_hashtable_add()+0x60: unreachable instruction fs/iomap.o: warning: objtool: iomap_set_range_uptodate()+0xe4: unreachable instruction mm/pagewalk.o: warning: objtool: walk_page_vma()+0x43: unreachable instruction mm/pgtable-generic.o: warning: objtool: pmdp_huge_clear_flush()+0x3c: unreachable instruction /kisskb/src/drivers/hwspinlock/hwspinlock_core.c: In function 'of_hwspin_lock_get_id': /kisskb/src/drivers/hwspinlock/hwspinlock_core.c:328:6: warning: 'id' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/hv/channel.c: In function 'vmbus_teardown_gpadl': /kisskb/src/drivers/hv/channel.c:549:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] mm/mprotect.o: warning: objtool: change_protection()+0x85: unreachable instruction mm/memory.o: warning: objtool: migration_entry_to_page()+0x79: unreachable instruction drivers/gpu/drm/amd/lib/chash.o: warning: objtool: chash_iter_relocate.isra.10()+0x52: unreachable instruction /kisskb/src/drivers/hv/channel.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] /kisskb/src/drivers/hwspinlock/hwspinlock_core.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] mm/page_vma_mapped.o: warning: objtool: PageTransHuge()+0x35: unreachable instruction drivers/hv/channel_mgmt.o: warning: objtool: hv_process_channel_removal()+0x38: unreachable instruction mm/mmap.o: warning: objtool: __vma_adjust()+0x5d5: unreachable instruction mm/vmalloc.o: warning: objtool: alloc_vmap_area.isra.23()+0x48: unreachable instruction fs/buffer.o: warning: objtool: drop_buffers()+0x44: unreachable instruction drivers/hwspinlock/hwspinlock_core.o: warning: objtool: __hwspin_trylock()+0x38: unreachable instruction mm/mmu_notifier.o: warning: objtool: do_mmu_notifier_register()+0x3e: unreachable instruction /kisskb/src/mm/ksm.c: In function '__stable_node_chain': /kisskb/src/mm/ksm.c:1395:15: warning: 'found_rmap_hlist_len' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/mm/ksm.c:1367:6: note: 'found_rmap_hlist_len' was declared here mm/rmap.o: warning: objtool: PageTransHuge()+0x34: unreachable instruction /kisskb/src/mm/ksm.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] mm/ksm.o: warning: objtool: stable_node_chain_add_dup()+0x32: unreachable instruction drivers/input/gameport/gameport.o: warning: objtool: gameport_start_polling()+0x57: unreachable instruction /kisskb/src/drivers/lightnvm/core.c: In function 'nvm_ioctl_dev_create.isra.21': /kisskb/src/include/linux/string.h:273:29: warning: array subscript is above array bounds [-Warray-bounds] /kisskb/src/drivers/input/mouse/cyapa.c: In function 'cyapa_irq': /kisskb/src/drivers/input/mouse/cyapa.c:717:27: warning: 'error' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/input/mouse/cyapa.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] lib/assoc_array.o: warning: objtool: assoc_array_destroy_subtree()+0x6e: unreachable instruction /kisskb/src/drivers/lightnvm/core.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] mm/migrate.o: warning: objtool: PageTransHuge()+0x35: unreachable instruction drivers/gpu/drm/mgag200/mgag200_cursor.o: warning: objtool: mga_crtc_cursor_set()+0xf9: unreachable instruction mm/cleancache.o: warning: objtool: __cleancache_get_page()+0x91: unreachable instruction mm/slub.o: warning: objtool: __free_slab()+0xe8: unreachable instruction mm/khugepaged.o: warning: objtool: page_mapcount()+0x5d: unreachable instruction mm/memory-failure.o: warning: objtool: PageTransHuge()+0x35: unreachable instruction mm/page_isolation.o: warning: objtool: PageTransHuge()+0x35: unreachable instruction /kisskb/src/drivers/input/mouse/cyapa_gen3.c: In function 'cyapa_gen3_set_power_mode': /kisskb/src/drivers/input/mouse/cyapa_gen3.c:927:5: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/input/mouse/cyapa_gen3.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/md/persistent-data/dm-array.o: warning: objtool: fill_ablock()+0x40: unreachable instruction drivers/md/bcache/bset.o: warning: objtool: make_bfloat()+0x102: unreachable instruction drivers/md/persistent-data/dm-btree-remove.o: warning: objtool: node_copy()+0x46: unreachable instruction lib/genalloc.o: warning: objtool: gen_pool_free()+0x66: unreachable instruction mm/zsmalloc.o: warning: objtool: remove_zspage()+0x4f: unreachable instruction mm/hugetlb.o: warning: objtool: set_vma_resv_flags()+0x3a: unreachable instruction /kisskb/src/drivers/i2c/i2c-core-base.c: In function 'i2c_generic_scl_recovery': /kisskb/src/drivers/i2c/i2c-core-base.c:235:5: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] drivers/md/bcache/closure.o: warning: objtool: closure_put_after_sub()+0x34: unreachable instruction mm/huge_memory.o: warning: objtool: make_migration_entry()+0x6f: unreachable instruction drivers/md/bcache/btree.o: warning: objtool: bch_btree_insert_keys()+0x214: unreachable instruction drivers/message/fusion/mptsas.o: warning: objtool: mptsas_firmware_event_work()+0x638: unreachable instruction crypto/drbg.o: warning: objtool: drbg_async_seed()+0x74: unreachable instruction /kisskb/src/drivers/gpu/drm/scheduler/sched_main.c: In function 'drm_sched_job_recovery': /kisskb/src/drivers/gpu/drm/scheduler/sched_main.c:363:20: warning: 'guilty_context' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/gpu/drm/scheduler/sched_main.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] /kisskb/src/drivers/i2c/i2c-core-base.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] mm/page_idle.o: warning: objtool: page_idle_clear_pte_refs_one()+0x149: unreachable instruction drivers/ide/ide-io.o: warning: objtool: do_ide_request()+0x21c: unreachable instruction mm/usercopy.o: warning: objtool: __check_object_size()+0x106: unreachable instruction drivers/lightnvm/pblk-core.o: warning: objtool: pblk_map_invalidate()+0x51: unreachable instruction /kisskb/src/drivers/mfd/tc3589x.c: In function 'tc3589x_probe': /kisskb/src/drivers/mfd/tc3589x.c:390:2: warning: 'version' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/mfd/tc3589x.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] mm/userfaultfd.o: warning: objtool: mcopy_atomic()+0x53: unreachable instruction /kisskb/src/drivers/mfd/arizona-core.c: In function 'arizona_dev_init': /kisskb/src/drivers/mfd/arizona-core.c:1422:6: warning: 'n_subdevs' may be used uninitialized in this function [-Wuninitialized] mm/memfd.o: warning: objtool: page_mapcount()+0x5e: unreachable instruction mm/debug_page_ref.o: warning: objtool: page_mapcount()+0x5e: unreachable instruction /kisskb/src/drivers/mfd/arizona-core.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/gpu/drm/ttm/ttm_tt.o: warning: objtool: ttm_tt_swapout()+0x40: unreachable instruction drivers/md/bcache/extents.o: warning: objtool: bch_extent_insert_fixup()+0x54: unreachable instruction drivers/ide/ide-probe.o: warning: objtool: ide_host_remove()+0x43: unreachable instruction /kisskb/src/drivers/pinctrl/intel/pinctrl-cherryview.c: In function 'chv_pinctrl_probe': /kisskb/src/drivers/pinctrl/intel/pinctrl-cherryview.c:1627:29: warning: 'irq_base' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/pinctrl/intel/pinctrl-cherryview.c:1546:14: note: 'irq_base' was declared here /kisskb/src/drivers/pinctrl/intel/pinctrl-cherryview.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/md/bcache/super.o: warning: objtool: cached_dev_detach_finish()+0x40: unreachable instruction drivers/misc/ad525x_dpot.o: warning: objtool: dpot_write_spi()+0x8a: unreachable instruction drivers/md/bcache/journal.o: warning: objtool: bch_journal_replay()+0x66: unreachable instruction drivers/lightnvm/pblk-read.o: warning: objtool: pblk_read_from_cache()+0x51: unreachable instruction drivers/md/raid5-ppl.o: warning: objtool: ppl_recover_entry()+0x2f6: unreachable instruction drivers/platform/chrome/cros_ec_i2c.o: warning: objtool: cros_ec_pkt_xfer_i2c()+0x6a: unreachable instruction drivers/nvdimm/btt.o: warning: objtool: btt_rw_page()+0x58: unreachable instruction drivers/md/bcache/writeback.o: warning: objtool: read_dirty()+0x41: unreachable instruction drivers/platform/chrome/cros_ec_proto.o: warning: objtool: cros_ec_prepare_tx()+0x42: unreachable instruction drivers/md/bcache/util.o: warning: objtool: bch_bio_map()+0x45: unreachable instruction drivers/gpu/drm/ttm/ttm_bo.o: warning: objtool: ttm_bo_release_list()+0x3d: unreachable instruction drivers/mmc/host/tifm_sd.o: warning: objtool: tifm_sd_exec()+0x48: unreachable instruction drivers/nvdimm/pmem.o: warning: objtool: pmem_rw_page()+0x54: unreachable instruction drivers/mmc/host/via-sdmmc.o: warning: objtool: via_sdc_send_command()+0x124: unreachable instruction drivers/md/md-bitmap.o: warning: objtool: free_buffers()+0x6b: unreachable instruction drivers/md/raid10.o: warning: objtool: raid10_sync_request()+0x77d: unreachable instruction drivers/md/raid5-cache.o: warning: objtool: r5c_flush_stripe()+0x3e: unreachable instruction drivers/md/bcache/request.o: warning: objtool: cache_lookup_fn()+0x129: unreachable instruction drivers/md/raid5.o: warning: objtool: schedule_reconstruction()+0x17e: unreachable instruction drivers/md/dm-io.o: warning: objtool: dispatch_io()+0x5b: unreachable instruction drivers/md/dm-kcopyd.o: warning: objtool: dm_kcopyd_client_destroy()+0xa1: unreachable instruction drivers/gpu/drm/qxl/qxl_gem.o: warning: objtool: qxl_gem_object_create_with_handle()+0x55: unreachable instruction drivers/mfd/wm8994-core.o: warning: objtool: wm8994_i2c_probe()+0x2ce: unreachable instruction drivers/gpu/drm/i915/intel_runtime_pm.o: warning: objtool: chv_phy_powergate_lanes()+0x4f: unreachable instruction drivers/md/dm-stripe.o: warning: objtool: stripe_map()+0x50: unreachable instruction drivers/gpu/drm/drm_crtc_helper.o: warning: objtool: drm_crtc_helper_set_config()+0x4b: unreachable instruction drivers/md/dm-table.o: warning: objtool: dm_table_complete()+0x85: unreachable instruction lib/oid_registry.o: warning: objtool: sprint_OID()+0x34: unreachable instruction /kisskb/src/drivers/gpu/drm/amd/amdgpu/soc15.c: In function 'soc15_set_ip_blocks': /kisskb/src/drivers/gpu/drm/amd/amdgpu/soc15.c:542:3: warning: #warning "Enable CONFIG_DRM_AMD_DC for display support on SOC15." [-Wcpp] /kisskb/src/drivers/gpu/drm/amd/amdgpu/soc15.c:563:3: warning: #warning "Enable CONFIG_DRM_AMD_DC for display support on SOC15." [-Wcpp] drivers/misc/tifm_core.o: warning: objtool: tifm_map_sg()+0x5d: unreachable instruction /kisskb/src/drivers/gpu/drm/amd/amdgpu/soc15.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/md/md.o: warning: objtool: read_rdev()+0x4e: unreachable instruction drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.o: warning: objtool: vmw_execbuf_process()+0xd80: unreachable instruction /kisskb/src/drivers/gpu/drm/drm_dp_mst_topology.c: In function 'drm_dp_sideband_msg_build': /kisskb/src/drivers/gpu/drm/drm_dp_mst_topology.c:364:23: warning: 'hdrlen' may be used uninitialized in this function [-Wuninitialized] drivers/md/dm.o: warning: objtool: dm_accept_partial_bio()+0x3a: unreachable instruction /kisskb/src/drivers/hwmon/ltc2990.c: In function 'ltc2990_show_value': /kisskb/src/drivers/hwmon/ltc2990.c:151:17: warning: 'value' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/hwmon/ltc2990.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/md/dm-region-hash.o: warning: objtool: dm_region_hash_destroy()+0x51: unreachable instruction /kisskb/src/drivers/gpu/drm/drm_dp_mst_topology.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] /kisskb/src/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c: In function 'gmc_v8_0_process_interrupt': /kisskb/src/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c:1452:10: warning: missing braces around initializer [-Wmissing-braces] /kisskb/src/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c:1452:10: warning: (near initialization for 'task_info.process_name') [-Wmissing-braces] drivers/md/dm-bufio.o: warning: objtool: __cache_size_refresh()+0x31: unreachable instruction drivers/gpu/drm/virtio/virtgpu_vq.o: warning: objtool: virtio_gpu_get_vbuf.isra.8()+0x5b: unreachable instruction /kisskb/src/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/md/dm-cache-target.o: warning: objtool: map_bio()+0x12f: unreachable instruction drivers/gpu/drm/vmwgfx/vmwgfx_drv.o: warning: objtool: vmw_master_set()+0x70: unreachable instruction /kisskb/src/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c: In function 'gmc_v9_0_process_interrupt': /kisskb/src/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c:264:10: warning: missing braces around initializer [-Wmissing-braces] /kisskb/src/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c:264:10: warning: (near initialization for 'task_info.process_name') [-Wmissing-braces] drivers/gpu/drm/nouveau/nvkm/core/mm.o: warning: objtool: nvkm_mm_init()+0x65: unreachable instruction /kisskb/src/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/gpu/drm/drm_scatter.o: warning: objtool: drm_sg_cleanup()+0x68: unreachable instruction drivers/md/dm-thin.o: warning: objtool: cmp_cells()+0x35: unreachable instruction drivers/scsi/aacraid/commctrl.o: warning: objtool: aac_do_ioctl()+0x284: unreachable instruction drivers/gpu/drm/amd/amdgpu/sdma_v4_0.o: warning: objtool: sdma_v4_0_ring_emit_fence()+0x48: unreachable instruction drivers/misc/vmw_balloon.o: warning: objtool: vmballoon_deflate()+0xa6: unreachable instruction drivers/gpu/drm/drm_global.o: warning: objtool: drm_global_release()+0x3b: unreachable instruction drivers/gpu/drm/nouveau/nvkm/core/notify.o: warning: objtool: nvkm_notify_send()+0x40: unreachable instruction drivers/gpu/drm/vmwgfx/vmwgfx_ldu.o: warning: objtool: vmw_ldu_primary_plane_atomic_update()+0x6e: unreachable instruction drivers/gpu/drm/drm_pci.o: warning: objtool: drm_pci_alloc()+0x97: unreachable instruction drivers/gpu/drm/vmwgfx/vmwgfx_fifo.o: warning: objtool: vmw_local_fifo_commit()+0x79: unreachable instruction drivers/gpu/drm/amd/amdgpu/gfx_v8_0.o: warning: objtool: gfx_v8_0_ring_emit_patch_cond_exec()+0x39: unreachable instruction drivers/gpu/drm/drm_prime.o: warning: objtool: drm_gem_map_dma_buf()+0x137: unreachable instruction drivers/gpu/drm/amd/amdgpu/gfx_v9_0.o: warning: objtool: gfx_v9_0_ring_emit_patch_cond_exec()+0x39: unreachable instruction lib/ioremap.o: warning: objtool: ioremap_page_range()+0x5d: unreachable instruction lib/kobject.o: warning: objtool: kobject_add_internal()+0x18c: unreachable instruction /kisskb/src/drivers/tty/serial/8250/8250_core.c: In function 'univ8250_release_irq': /kisskb/src/drivers/tty/serial/8250/8250_core.c:247:18: warning: 'i' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/tty/serial/8250/8250_core.c:227:19: note: 'i' was declared here /kisskb/src/drivers/tty/serial/8250/8250_core.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] /kisskb/src/drivers/gpu/drm/drm_atomic.c: In function 'drm_atomic_check_only': /kisskb/src/drivers/gpu/drm/drm_atomic.c:412:38: warning: 'crtc_state' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/gpu/drm/drm_atomic.c:396:25: note: 'crtc_state' was declared here /kisskb/src/drivers/tty/serial/serial_core.c: In function 'uart_write': /kisskb/src/include/linux/spinlock.h:384:2: warning: 'flags' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/tty/serial/serial_core.c:567:16: note: 'flags' was declared here /kisskb/src/drivers/gpu/drm/drm_atomic.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/gpu/drm/vmwgfx/vmwgfx_overlay.o: warning: objtool: vmw_overlay_stop()+0xaf: unreachable instruction lib/radix-tree.o: warning: objtool: radix_tree_insert()+0x41: unreachable instruction lib/plist.o: warning: objtool: plist_requeue()+0x3a: unreachable instruction drivers/tty/serial/8250/8250_core.o: warning: objtool: univ8250_release_irq()+0x88: unreachable instruction drivers/gpu/drm/i915/i915_gem_dmabuf.o: warning: objtool: i915_gem_map_dma_buf()+0x154: unreachable instruction drivers/scsi/isci/remote_node_table.o: warning: objtool: sci_remote_node_table_clear_group_index()+0x39: unreachable instruction drivers/scsi/mpt3sas/mpt3sas_config.o: warning: objtool: _config_request.constprop.7()+0x12b: unreachable instruction /kisskb/src/drivers/tty/serial/serial_core.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] /kisskb/src/drivers/scsi/aacraid/src.c: In function 'aac_src_intr_message': /kisskb/src/drivers/scsi/aacraid/src.c:98:4: warning: 'bellbits' may be used uninitialized in this function [-Wuninitialized] drivers/virtio/virtio.o: warning: objtool: virtio_dev_probe()+0x82: unreachable instruction /kisskb/src/drivers/scsi/aacraid/src.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] /kisskb/src/drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_packet_manager.c: In function 'pm_send_runlist': /kisskb/src/drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_packet_manager.c:189:32: warning: 'rl_buffer' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_packet_manager.c:124:16: note: 'rl_buffer' was declared here drivers/gpu/drm/drm_vblank.o: warning: objtool: drm_vblank_restore()+0x85: unreachable instruction /kisskb/src/drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_packet_manager.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/scsi/isci/request.o: warning: objtool: sci_io_request_get_dma_addr()+0x2e: unreachable instruction /kisskb/src/lib/string.c: In function 'strlcpy': /kisskb/src/lib/string.c:479:8: sorry, unimplemented: inlining failed in call to 'strlen': redefined extern inline functions are not considered for inlining /kisskb/src/lib/string.c:143:9: sorry, unimplemented: called from here drivers/gpu/drm/vmwgfx/vmwgfx_mob.o: warning: objtool: vmw_mob_pt_setup()+0x4f: unreachable instruction drivers/virtio/virtio_ring.o: warning: objtool: detach_buf()+0x113: unreachable instruction make[2]: * [/kisskb/src/scripts/Makefile.build:293: lib/string.o] Error 1 make[2]: * Waiting for unfinished jobs.... drivers/scsi/aic94xx/aic94xx_task.o: warning: objtool: asd_unmap_scatterlist()+0x88: unreachable instruction drivers/tty/serial/fsl_lpuart.o: warning: objtool: dma_map_sg_attrs.constprop.18()+0x47: unreachable instruction /kisskb/src/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c: In function 'vmw_compat_shader_add': /kisskb/src/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c:1020:6: warning: 'res' may be used uninitialized in this function [-Wuninitialized] drivers/target/target_core_transport.o: warning: objtool: target_submit_cmd_map_sgls()+0x61: unreachable instruction /kisskb/src/drivers/gpu/drm/vmwgfx/vmwgfx_shader.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/scsi/pm8001/pm8001_sas.o: warning: objtool: pm8001_task_exec.isra.8()+0x219: unreachable instruction drivers/scsi/aic94xx/aic94xx_seq.o: warning: objtool: asd_download_seq()+0x1ae: unreachable instruction drivers/scsi/pm8001/pm8001_hwi.o: warning: objtool: dma_map_sg_attrs.constprop.9()+0x52: unreachable instruction make[1]: * [/kisskb/src/Makefile:1060: lib] Error 2 make[1]: * Waiting for unfinished jobs.... drivers/xen/events/events_base.o: warning: objtool: pirq_from_irq()+0x33: unreachable instruction drivers/gpu/drm/i915/i915_gem_userptr.o: warning: objtool: i915_gem_userptr_put_pages()+0x3f: unreachable instruction drivers/scsi/scsi_lib_dma.o: warning: objtool: scsi_dma_map()+0x7b: unreachable instruction drivers/scsi/libsas/sas_expander.o: warning: objtool: sas_add_parent_port()+0x55: unreachable instruction drivers/video/fbdev/core/fb_defio.o: warning: objtool: fb_deferred_io_set_page_dirty()+0x4b: unreachable instruction drivers/xen/balloon.o: warning: objtool: balloon_process()+0x12a: unreachable instruction /kisskb/src/drivers/scsi/am53c974.c: In function 'pci_esp_dma_drain': /kisskb/src/drivers/scsi/am53c974.c:173:6: warning: 'resid' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/scsi/am53c974.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/xen/mem-reservation.o: warning: objtool: __xenmem_reservation_va_mapping_update()+0x64: unreachable instruction drivers/scsi/mvumi.o: warning: objtool: mvumi_queue_command()+0x1cb: unreachable instruction drivers/scsi/xen-scsifront.o: warning: objtool: scsifront_queuecommand()+0x227: unreachable instruction drivers/scsi/vmw_pvscsi.o: warning: objtool: pvscsi_probe()+0x161: unreachable instruction drivers/scsi/virtio_scsi.o: warning: objtool: virtscsi_queuecommand()+0x50: unreachable instruction drivers/scsi/pm8001/pm80xx_hwi.o: warning: objtool: dma_map_sg_attrs.constprop.15()+0x52: unreachable instruction drivers/scsi/esp_scsi.o: warning: objtool: esp_free_lun_tag()+0x3f: unreachable instruction drivers/xen/grant-table.o: warning: objtool: gnttab_map()+0x4c: unreachable instruction drivers/xen/gntdev-dmabuf.o: warning: objtool: dmabuf_exp_ops_map_dma_buf()+0x119: unreachable instruction drivers/scsi/scsi_debug.o: warning: objtool: prot_verify_write()+0x4b: unreachable instruction drivers/xen/privcmd.o: warning: objtool: mmap_batch_fn()+0x65: unreachable instruction drivers/gpu/drm/i915/intel_ddi.o: warning: objtool: intel_ddi_enable_transcoder_func()+0x6c: unreachable instruction /kisskb/src/drivers/gpu/drm/nouveau/nvkm/subdev/top/gk104.c: In function 'gk104_top_oneinit': /kisskb/src/drivers/gpu/drm/nouveau/nvkm/subdev/top/gk104.c:90:20: warning: 'inst' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/gpu/drm/nouveau/nvkm/subdev/top/gk104.c:76:3: warning: 'type' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/gpu/drm/nouveau/nvkm/subdev/top/gk104.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] drivers/gpu/drm/i915/intel_display.o: warning: objtool: ironlake_crtc_enable()+0x143: unreachable instruction drivers/gpu/drm/nouveau/nouveau_usif.o: warning: objtool: usif_notify()+0x8d: unreachable instruction /kisskb/src/drivers/gpu/drm/nouveau/dispnv50/lut.c: In function 'nv50_lut_load': /kisskb/src/arch/x86/include/asm/io.h:66:1: warning: 'b' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/gpu/drm/nouveau/dispnv50/lut.c:39:18: note: 'b' was declared here /kisskb/src/arch/x86/include/asm/io.h:66:1: warning: 'g' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/gpu/drm/nouveau/dispnv50/lut.c:39:15: note: 'g' was declared here /kisskb/src/arch/x86/include/asm/io.h:66:1: warning: 'r' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/gpu/drm/nouveau/dispnv50/lut.c:39:12: note: 'r' was declared here /kisskb/src/drivers/gpu/drm/nouveau/dispnv50/lut.c: At top level: cc1: warning: unrecognized command line option "-Wno-maybe-uninitialized" [enabled by default] make: *** [Makefile:152: sub-make] Error 2 Command '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- ' returned non-zero exit status 2 # rm -rf /kisskb/build/linus-rand_x86_64-randconfig_x86_64 # Build took: 0:00:47.041694

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