# git rev-parse -q --verify 45ae4df9220701071ffec057d4b0071943022ab3^{commit} 45ae4df9220701071ffec057d4b0071943022ab3 already have revision, skipping fetch # git checkout -q -f -B kisskb 45ae4df9220701071ffec057d4b0071943022ab3 # git clean -qxdf # < git log -1 # commit 45ae4df9220701071ffec057d4b0071943022ab3 # Merge: ef81e63 5858610 # Author: Linus Torvalds # Date: Sat Jul 21 17:27:42 2018 -0700 # # Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc # # Pull ARM SoC fixes from Olof Johansson: # # - Fix interrupt type on ethernet switch for i.MX-based RDU2 # # - GPC on i.MX exposed too large a register window which resulted in # userspace being able to crash the machine. # # - Fixup of bad merge resolution moving GPIO DT nodes under pinctrl on # droid4. # # * tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: # ARM: dts: imx6: RDU2: fix irq type for mv88e6xxx switch # soc: imx: gpc: restrict register range for regmap access # ARM: dts: omap4-droid4: fix dts w.r.t. pwm # < /opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux-gcc --version # < git log --format=%s --max-count=1 45ae4df9220701071ffec057d4b0071943022ab3 # < 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=0xCF5A37CA # Added to kconfig CONFIG_STANDALONE=y # Added to kconfig CONFIG_PREVENT_FIRMWARE_BUILD=y # Added to kconfig CONFIG_CC_STACKPROTECTOR_STRONG=n # Added to kconfig CONFIG_GCC_PLUGINS=n # Added to kconfig CONFIG_GCC_PLUGIN_CYC_COMPLEXITY=n # Added to kconfig CONFIG_GCC_PLUGIN_SANCOV=n # Added to kconfig CONFIG_GCC_PLUGIN_LATENT_ENTROPY=n # yes \n | make -s -j 120 ARCH=x86_64 O=/kisskb/build/linus-rand_x86_64-randconfig_x86_64 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux- oldconfig yes: standard output: Broken pipe yes: write error # make -s -j 120 ARCH=x86_64 O=/kisskb/build/linus-rand_x86_64-randconfig_x86_64 CROSS_COMPILE=/opt/cross/kisskb/gcc-4.6.3-nolibc/x86_64-linux/bin/x86_64-linux- kernel/rcu/sync.o: warning: objtool: rcu_sync_func()+0x3d: unreachable instruction /kisskb/src/fs/hpfs/alloc.c: In function 'hpfs_alloc_sector': /kisskb/src/fs/hpfs/alloc.c:203:7: warning: 'sec' may be used uninitialized in this function [-Wuninitialized] fs/crypto/crypto.o: warning: objtool: fscrypt_do_page_crypto()+0xa4: unreachable instruction mm/mempool.o: warning: objtool: mempool_resize()+0x42: unreachable instruction fs/ntfs/aops.o: warning: objtool: ntfs_bmap()+0xe0: unreachable instruction /kisskb/src/arch/x86/entry/vsyscall/vsyscall_64.c: In function 'emulate_vsyscall': /kisskb/src/arch/x86/entry/vsyscall/vsyscall_64.c:209:16: warning: 'syscall_nr' may be used uninitialized in this function [-Wuninitialized] fs/cachefiles/bind.o: warning: objtool: cachefiles_daemon_bind()+0x73: unreachable instruction fs/fscache/cache.o: warning: objtool: fscache_add_cache()+0x4a: unreachable instruction fs/sysfs/file.o: warning: objtool: sysfs_kf_seq_show()+0x60: unreachable instruction /kisskb/src/kernel/printk/printk.c: In function 'devkmsg_sysctl_set_loglvl': /kisskb/src/kernel/printk/printk.c:183:16: warning: 'old' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/reiserfs/bitmap.c: In function 'scan_bitmap_block.constprop.10': /kisskb/src/fs/reiserfs/bitmap.c:269:9: warning: 'next' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/proc/inode.c: In function 'proc_reg_open': /kisskb/src/include/linux/list.h:65:12: warning: 'pdeo' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/proc/inode.c:339:21: note: 'pdeo' was declared here fs/reiserfs/bitmap.o: warning: objtool: reiserfs_read_bitmap_block()+0x187: unreachable instruction /kisskb/src/kernel/cgroup/cgroup.c: In function 'cgroup_tryget_css': /kisskb/src/include/linux/percpu-refcount.h:254:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:248:26: note: 'percpu_count' was declared here /kisskb/src/kernel/cgroup/cgroup.c: In function 'cgroup_get_live': /kisskb/src/include/linux/percpu-refcount.h:183:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:178:26: note: 'percpu_count' was declared here arch/x86/mm/init_64.o: warning: objtool: __init_extra_mapping()+0xcb: unreachable instruction /kisskb/src/kernel/cgroup/cgroup.c: In function 'init_and_link_css': /kisskb/src/include/linux/percpu-refcount.h:183:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:178:26: note: 'percpu_count' was declared here block/bio.o: warning: objtool: bio_split()+0x4a: unreachable instruction /kisskb/src/kernel/cgroup/cgroup.c: In function 'kill_css': /kisskb/src/include/linux/percpu-refcount.h:183:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:178:26: note: 'percpu_count' was declared here /kisskb/src/kernel/cgroup/cgroup.c: In function 'css_killed_work_fn': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here fs/ntfs/collate.o: warning: objtool: ntfs_collate()+0x61: can't find jump dest instruction at .text+0x2ac /kisskb/src/kernel/cgroup/cgroup.c: In function 'cgroup_kill_sb': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here fs/debugfs/file.o: warning: objtool: full_proxy_open()+0x161: unreachable instruction fs/ntfs/attrib.o: warning: objtool: ntfs_attr_lookup()+0x8b: unreachable instruction kernel/time/timer.o: warning: objtool: timers_dead_cpu()+0x46: unreachable instruction /kisskb/src/kernel/cgroup/cgroup.c: In function 'cgroup_extra_stat_show.constprop.32': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here fs/cachefiles/daemon.o: warning: objtool: cachefiles_daemon_release()+0x62: unreachable instruction /kisskb/src/kernel/cgroup/cgroup.c: In function 'cgroup_get_e_css': /kisskb/src/include/linux/percpu-refcount.h:183:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:178:26: note: 'percpu_count' was declared here /kisskb/src/include/linux/percpu-refcount.h:254:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:248:26: note: 'percpu_count' was declared here /kisskb/src/kernel/cgroup/cgroup.c: In function 'put_css_set_locked': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here kernel/dma/swiotlb.o: warning: objtool: swiotlb_tbl_map_single()+0x127: unreachable instruction /kisskb/src/kernel/cgroup/cgroup.c: In function 'find_css_set': /kisskb/src/include/linux/percpu-refcount.h:183:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:178:26: note: 'percpu_count' was declared here fs/notify/inotify/inotify_user.o: warning: objtool: inotify_idr_find_locked()+0x44: unreachable instruction fs/fuse/dev.o: warning: objtool: fuse_copy_fill.part.23()+0xbe: unreachable instruction fs/quota/dquot.o: warning: objtool: dqput.part.19()+0x63: unreachable instruction /kisskb/src/kernel/cgroup/cgroup.c: In function 'cgroup_kn_unlock': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/kernel/cgroup/cgroup.c: In function 'cgroup_do_mount': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/fs/proc/task_mmu.c: In function 'show_smap.isra.35': /kisskb/src/fs/proc/task_mmu.c:800:9: warning: 'last_vma' may be used uninitialized in this function [-Wuninitialized] fs/freevxfs/vxfs_olt.o: warning: objtool: vxfs_read_olt()+0x5a: unreachable instruction fs/proc/array.o: warning: objtool: proc_task_name()+0x8d: unreachable instruction block/elevator.o: warning: objtool: __elv_add_request()+0x2a1: unreachable instruction /kisskb/src/arch/x86/events/amd/ibs.c: In function 'perf_ibs_init': /kisskb/src/arch/x86/events/amd/ibs.c:306:11: warning: 'config' may be used uninitialized in this function [-Wuninitialized] fs/ntfs/compress.o: warning: objtool: ntfs_read_compressed_block()+0xc5: unreachable instruction /kisskb/src/kernel/cgroup/cgroup.c: In function 'cgroup_lock_and_drain_offline': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/kernel/cgroup/cgroup.c: In function 'css_free_rwork_fn': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/kernel/cgroup/cgroup.c: In function 'cgroup_kn_lock_live': /kisskb/src/include/linux/percpu-refcount.h:220:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:214:26: note: 'percpu_count' was declared here fs/jbd2/transaction.o: warning: objtool: jbd2_journal_file_inode()+0x18c: unreachable instruction fs/fscache/cookie.o: warning: objtool: __fscache_disable_cookie()+0x18a: unreachable instruction kernel/trace/ring_buffer_benchmark.o: warning: objtool: read_page()+0x7f: unreachable instruction fs/cachefiles/key.o: warning: objtool: cachefiles_cook_key()+0x52: unreachable instruction fs/notify/mark.o: warning: objtool: fsnotify_add_mark_locked()+0x62: unreachable instruction /kisskb/src/fs/btrfs/ctree.c: In function 'push_nodes_for_insert': /kisskb/src/fs/btrfs/ctree.c:2117:24: warning: 'pslot' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/cgroup/cgroup.c: In function 'css_tryget_online_from_dir': /kisskb/src/include/linux/percpu-refcount.h:254:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:248:26: note: 'percpu_count' was declared here /kisskb/src/ipc/sem.c: In function 'find_alloc_undo': /kisskb/src/include/linux/compiler.h:215:31: warning: 'ulp' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/ipc/sem.c:1861:24: note: 'ulp' was declared here /kisskb/src/kernel/cgroup/cgroup.c: In function 'cgroup_get_from_fd': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here security/keys/keyring.o: warning: objtool: search_nested_keyrings()+0x5c: unreachable instruction /kisskb/src/fs/btrfs/ctree.c: In function 'balance_level': /kisskb/src/fs/btrfs/ctree.c:1904:24: warning: 'pslot' may be used uninitialized in this function [-Wuninitialized] kernel/cgroup/cgroup.o: warning: objtool: compare_css_sets()+0x116: unreachable instruction /kisskb/src/kernel/events/core.c: In function 'perf_event_alloc': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here fs/ext4/bitmap.o: warning: objtool: ext4_inode_bitmap_csum_verify()+0x10f: unreachable instruction fs/exec.o: warning: objtool: de_thread()+0x352: unreachable instruction fs/cachefiles/interface.o: warning: objtool: cachefiles_put_object()+0x63: unreachable instruction fs/configfs/dir.o: warning: objtool: configfs_rmdir()+0xd5: unreachable instruction kernel/cpu.o: warning: objtool: takedown_cpu()+0xd4: unreachable instruction /kisskb/src/fs/f2fs/file.c: In function 'f2fs_ioc_shutdown': /kisskb/src/fs/f2fs/file.c:1869:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/base/regmap/regmap.c: In function '_regmap_raw_write': /kisskb/src/drivers/base/regmap/regmap.c:1819:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/base/regmap/regmap.c: In function 'regmap_raw_read': /kisskb/src/drivers/base/regmap/regmap.c:2497:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] arch/x86/kernel/apic/vector.o: warning: objtool: arch_early_irq_init()+0x51: unreachable instruction /kisskb/src/drivers/base/regmap/regmap.c: In function 'regmap_bulk_read': /kisskb/src/drivers/base/regmap/regmap.c:2638:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] fs/fscache/object.o: warning: objtool: fscache_look_up_object()+0xe5: unreachable instruction /kisskb/src/arch/x86/oprofile/../../../drivers/oprofile/buffer_sync.c: In function 'add_data': /kisskb/src/arch/x86/oprofile/../../../drivers/oprofile/buffer_sync.c:358:10: warning: 'pc' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/arch/x86/oprofile/../../../drivers/oprofile/buffer_sync.c:361:17: warning: 'code' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/ipc/sem.c: In function 'copy_semundo': /kisskb/src/ipc/sem.c:2248:15: warning: 'undo_list' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/events/core.c: In function '_free_event': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here drivers/ata/libata-core.o: warning: objtool: ata_sg_setup()+0x9e: unreachable instruction /kisskb/src/fs/ntfs/dir.c: In function 'ntfs_readdir': /kisskb/src/fs/ntfs/dir.c:1430:7: warning: 'bmp_vi' may be used uninitialized in this function [-Wuninitialized] kernel/sched/core.o: warning: objtool: migrate_tasks()+0x1ef: unreachable instruction ipc/sem.o: warning: objtool: find_alloc_undo()+0x2d9: unreachable instruction fs/fscache/operation.o: warning: objtool: fscache_put_operation()+0xd9: unreachable instruction fs/fuse/dir.o: warning: objtool: fuse_set_nowrite()+0x52: unreachable instruction fs/fuse/file.o: warning: objtool: fuse_writepage_in_flight()+0x5f: unreachable instruction fs/jbd2/recovery.o: warning: objtool: jbd2_descriptor_block_csum_verify()+0x130: unreachable instruction /kisskb/src/kernel/events/core.c: In function '_perf_ioctl': /kisskb/src/include/linux/file.h:39:2: warning: '*((void *)&output+8)' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/events/core.c:5045:14: note: '*((void *)&output+8)' was declared here /kisskb/src/include/linux/file.h:40:7: warning: 'output.file' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/events/core.c:5045:14: note: 'output.file' was declared here /kisskb/src/kernel/cgroup/cgroup-v1.c: In function 'cgroup1_mount': /kisskb/src/kernel/cgroup/cgroup-v1.c:1245:9: warning: 'root' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:254:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:248:26: note: 'percpu_count' was declared here /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/include/linux/percpu-refcount.h:254:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:248:26: note: 'percpu_count' was declared here /kisskb/src/ipc/shm.c: In function 'ksys_shmdt': /kisskb/src/ipc/shm.c:1647:3: warning: 'file' may be used uninitialized in this function [-Wuninitialized] fs/reiserfs/namei.o: warning: objtool: linear_search_in_dir_item()+0x150: unreachable instruction /kisskb/src/drivers/base/regmap/regcache-rbtree.c: In function 'regcache_rbtree_write': /kisskb/src/drivers/base/regmap/regcache-rbtree.c:454:8: warning: 'new_top_reg' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/base/regmap/regcache-rbtree.c:454:8: warning: 'new_base_reg' may be used uninitialized in this function [-Wuninitialized] fs/ntfs/dir.o: warning: objtool: ntfs_lookup_inode_by_name()+0x71: unreachable instruction fs/btrfs/ctree.o: warning: objtool: __tree_mod_log_search()+0x103: unreachable instruction /kisskb/src/fs/f2fs/file.c: In function 'f2fs_precache_extents': /kisskb/src/fs/f2fs/file.c:2823:6: warning: 'err' may be used uninitialized in this function [-Wuninitialized] drivers/bcma/driver_chipcommon_pmu.o: warning: objtool: bcma_pmu_pll_clock()+0x5a: unreachable instruction fs/fuse/inode.o: warning: objtool: fuse_destroy_inode()+0x49: unreachable instruction arch/x86/kernel/traps.o: warning: objtool: ist_begin_non_atomic()+0x39: unreachable instruction /kisskb/src/kernel/cgroup/rdma.c: In function 'rdmacg_uncharge_hierarchy': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/block/blk-sysfs.c: In function 'queue_wb_lat_store': /kisskb/src/block/blk-sysfs.c:452:2: warning: 'val' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/cgroup/rdma.c: In function 'rdmacg_try_charge': /kisskb/src/include/linux/percpu-refcount.h:254:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:248:26: note: 'percpu_count' was declared here kernel/power/suspend.o: warning: objtool: suspend_enter()+0x1bd: unreachable instruction fs/hfs/btree.o: warning: objtool: hfs_btree_open()+0xd6: unreachable instruction fs/f2fs/inode.o: warning: objtool: f2fs_inode_chksum()+0x309: unreachable instruction /kisskb/src/fs/f2fs/namei.c: In function 'f2fs_symlink': /kisskb/src/fs/f2fs/namei.c:615:22: warning: 'disk_link.len' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/f2fs/namei.c:629:2: warning: 'disk_link.name' may be used uninitialized in this function [-Wuninitialized] fs/jbd2/checkpoint.o: warning: objtool: __jbd2_journal_insert_checkpoint()+0x55: 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:1033:6: warning: 'irq' may be used uninitialized in this function [-Wuninitialized] fs/jbd2/commit.o: warning: objtool: jbd2_block_tag_csum_set()+0x1ee: unreachable instruction fs/cachefiles/namei.o: warning: objtool: cachefiles_mark_object_active()+0x13f: unreachable instruction kernel/sched/rt.o: warning: objtool: dequeue_top_rt_rq()+0x4d: unreachable instruction fs/jbd2/revoke.o: warning: objtool: jbd2_journal_init_revoke()+0x46: unreachable instruction fs/fscache/page.o: warning: objtool: __fscache_read_or_alloc_page()+0x18d: unreachable instruction crypto/algapi.o: warning: objtool: crypto_unregister_template()+0x5a: unreachable instruction fs/affs/file.o: warning: objtool: affs_get_extblock_slow()+0xa6: unreachable instruction kernel/trace/trace.o: warning: objtool: __tracing_resize_ring_buffer()+0x79: unreachable instruction block/blk-flush.o: warning: objtool: blk_flush_complete_seq()+0x65: unreachable instruction /kisskb/src/block/blk-core.c: In function 'blk_queue_enter': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/include/linux/percpu-refcount.h:254:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:248:26: note: 'percpu_count' was declared here fs/ext4/extents_status.o: warning: objtool: __es_insert_extent()+0x122: unreachable instruction /kisskb/src/block/blk-core.c: In function 'blk_queue_exit': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here fs/reiserfs/inode.o: warning: objtool: reiserfs_invalidatepage()+0x98: unreachable instruction kernel/softirq.o: warning: objtool: tasklet_kill_immediate()+0x48: unreachable instruction /kisskb/src/block/blk-core.c: In function 'generic_make_request': /kisskb/src/include/linux/percpu-refcount.h:183:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:178:26: note: 'percpu_count' was declared here fs/ntfs/index.o: warning: objtool: ntfs_index_lookup()+0x71: unreachable instruction kernel/exit.o: warning: objtool: release_task()+0x72: unreachable instruction /kisskb/src/drivers/ata/libata-scsi.c: In function 'ata_scsi_scan_host': /kisskb/src/drivers/ata/libata-scsi.c:4628:3: warning: 'dev' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/ata/libata-scsi.c:4628:3: warning: 'last_failed_dev' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/block/blk-core.c: In function 'blk_account_io_done': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/fs/ext4/extents.c: In function 'ext4_ext_convert_to_initialized': /kisskb/src/fs/ext4/extents.c:3556:21: warning: 'abut_ex' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/block/blk-core.c: In function 'blk_account_io_start': /kisskb/src/include/linux/percpu-refcount.h:183:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:178:26: note: 'percpu_count' was declared here /kisskb/src/include/linux/percpu-refcount.h:254:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:248:26: note: 'percpu_count' was declared here fs/ext4/fsync.o: warning: objtool: ext4_sync_file()+0xb7: unreachable instruction fs/udf/truncate.o: warning: objtool: udf_truncate_extents()+0x6e: unreachable instruction /kisskb/src/kernel/cgroup/cpuset.c: In function 'update_nodemasks_hier': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/include/linux/percpu-refcount.h:254:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:248:26: note: 'percpu_count' was declared here arch/x86/kernel/nmi.o: warning: objtool: do_nmi()+0xf1: unreachable instruction fs/nilfs2/page.o: warning: objtool: nilfs_copy_page()+0x88: unreachable instruction /kisskb/src/kernel/cgroup/cpuset.c: In function 'update_cpumasks_hier': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/include/linux/percpu-refcount.h:254:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:248:26: note: 'percpu_count' was declared here fs/btrfs/print-tree.o: warning: objtool: btrfs_print_tree()+0x2b6: unreachable instruction /kisskb/src/drivers/char/ipmi/kcs_bmc.c: In function 'kcs_bmc_read': /kisskb/src/drivers/char/ipmi/kcs_bmc.c:315:6: warning: 'data_len' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/cgroup/cpuset.c: In function 'cpuset_write_resmask': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/include/linux/percpu-refcount.h:183:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:178:26: note: 'percpu_count' was declared here fs/orangefs/orangefs-mod.o: warning: objtool: orangefs_exit()+0x8e: unreachable instruction /kisskb/src/fs/dcache.c: In function 'd_add': /kisskb/src/fs/dcache.c:2444:2: warning: 'n' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/dcache.c:2591:11: note: 'n' was declared here /kisskb/src/block/blk-core.c: In function 'blk_queue_bio': /kisskb/src/include/linux/percpu-refcount.h:183:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:178:26: note: 'percpu_count' was declared here kernel/resource.o: warning: objtool: find_next_iomem_res()+0x49: unreachable instruction /kisskb/src/kernel/cgroup/cpuset.c: In function 'cpuset_hotplug_workfn': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/include/linux/percpu-refcount.h:254:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:248:26: note: 'percpu_count' was declared here /kisskb/src/fs/dcache.c: In function '__d_move': /kisskb/src/fs/dcache.c:2444:2: warning: 'n' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/dcache.c:2783:11: note: 'n' was declared here fs/namei.o: warning: objtool: unlazy_walk()+0x44: unreachable instruction /kisskb/src/fs/dcache.c: In function 'd_splice_alias': /kisskb/src/fs/dcache.c:2444:2: warning: 'n' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/dcache.c:2591:11: note: 'n' was declared here /kisskb/src/fs/ext4/ialloc.c: In function 'ext4_orphan_get': /kisskb/src/fs/ext4/ialloc.c:1251:9: warning: 'bit' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/cgroup/cpuset.c: In function 'proc_cpuset_show': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/include/linux/percpu-refcount.h:254:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:248:26: note: 'percpu_count' was declared here block/blk-core.o: warning: objtool: blk_dequeue_request()+0x4d: unreachable instruction kernel/sched/deadline.o: warning: objtool: pick_next_pushable_dl_task()+0x76: unreachable instruction fs/jfs/jfs_imap.o: warning: objtool: diFree()+0x744: unreachable instruction /kisskb/src/fs/udf/super.c: In function 'udf_load_partdesc': /kisskb/src/fs/udf/super.c:1303:2: warning: 'map' may be used uninitialized in this function [-Wuninitialized] fs/dcache.o: warning: objtool: d_instantiate_new()+0x47: unreachable instruction fs/jfs/jfs_xtree.o: warning: objtool: xtTruncate()+0xab: unreachable instruction fs/ext4/ialloc.o: warning: objtool: __ext4_new_inode()+0x11fd: unreachable instruction fs/cachefiles/rdwr.o: warning: objtool: cachefiles_read_waiter()+0x66: unreachable instruction fs/ext4/extents.o: warning: objtool: ext4_extent_block_csum()+0x64: unreachable instruction fs/nilfs2/btnode.o: warning: objtool: nilfs_btnode_prepare_change_key()+0x17e: unreachable instruction fs/ext4/indirect.o: warning: objtool: ext4_ind_map_blocks()+0x12f: unreachable instruction arch/x86/kernel/setup.o: warning: objtool: extend_brk()+0x44: unreachable instruction fs/file.o: warning: objtool: __fd_install()+0x8b: unreachable instruction fs/ntfs/inode.o: warning: objtool: ntfs_destroy_extent_inode()+0x41: unreachable instruction /kisskb/src/drivers/char/random.c: In function 'extract_buf': /kisskb/src/drivers/char/random.c:1432:13: warning: 'v' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/char/tpm/tpm-interface.c: In function 'tpm1_pcr_extend': /kisskb/src/drivers/char/tpm/tpm.h:457:9: warning: 'buf.data' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/char/tpm/tpm-interface.c:981:17: note: 'buf.data' was declared here /kisskb/src/drivers/char/tpm/tpm-interface.c: In function 'tpm_startup': /kisskb/src/drivers/char/tpm/tpm.h:484:8: warning: 'buf.data' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/char/tpm/tpm-interface.c:664:17: note: 'buf.data' was declared here /kisskb/src/drivers/char/tpm/tpm-interface.c: In function 'tpm_getcap': /kisskb/src/drivers/char/tpm/tpm.h:457:9: warning: 'buf.data' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/char/tpm/tpm-interface.c:705:17: note: 'buf.data' was declared here fs/inode.o: warning: objtool: clear_inode()+0x4c: unreachable instruction fs/ext4/mmp.o: warning: objtool: ext4_mmp_csum()+0x57: unreachable instruction fs/f2fs/checkpoint.o: warning: objtool: get_checkpoint_version()+0xe1: unreachable instruction fs/jfs/jfs_metapage.o: warning: objtool: metapage_invalidatepage()+0x47: unreachable instruction fs/jbd2/journal.o: warning: objtool: get_slab()+0x53: unreachable instruction fs/ext4/inline.o: warning: objtool: ext4_write_inline_data()+0x9e: unreachable instruction fs/ntfs/mft.o: warning: objtool: unmap_mft_record()+0x44: unreachable instruction fs/reiserfs/stree.o: warning: objtool: maybe_indirect_to_direct()+0x79: unreachable instruction /kisskb/src/drivers/char/tpm/tpm-sysfs.c: In function 'pubek_show': /kisskb/src/drivers/char/tpm/tpm-sysfs.c:37:16: warning: 'tpm_buf.data' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/time/tick-sched.c: In function 'tick_nohz_idle_exit': /kisskb/src/kernel/time/tick-sched.c:1156:32: warning: 'now' may be used uninitialized in this function [-Wuninitialized] drivers/base/regmap/regmap-irq.o: warning: objtool: regmap_irq_thread()+0x127: unreachable instruction fs/cachefiles/xattr.o: warning: objtool: cachefiles_check_object_type()+0x66: 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:225:24: note: 'head' was declared here fs/jfs/jfs_logmgr.o: warning: objtool: lbmIODone()+0x256: unreachable instruction fs/ecryptfs/crypto.o: warning: objtool: ecryptfs_compute_root_iv()+0x52: unreachable instruction /kisskb/src/drivers/char/random.c: In function 'crng_reseed': /kisskb/src/drivers/char/random.c:934:20: warning: 'rv' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/f2fs/node.c: In function '__flush_nat_entry_set': /kisskb/src/fs/f2fs/node.c:2543:11: warning: 'nat_blk' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/crypto/atmel-sha.c: In function 'atmel_sha_hmac_setup': /kisskb/src/drivers/crypto/atmel-sha.c:1804:8: warning: 'key' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/crypto/atmel-sha.c:1812:2: warning: 'keylen' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/crypto/atmel-sha.c:1760:15: note: 'keylen' was declared here fs/ext4/page-io.o: warning: objtool: ext4_release_io_end()+0x3f: unreachable instruction /kisskb/src/drivers/char/tpm/tpm2-cmd.c: In function 'tpm2_do_selftest': /kisskb/src/drivers/char/tpm/tpm.h:475:2: warning: 'buf.flags' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/char/tpm/tpm2-cmd.c:842:17: note: 'buf.flags' was declared here /kisskb/src/drivers/char/tpm/tpm2-cmd.c:852:24: warning: 'buf.data' may be used uninitialized in this function [-Wuninitialized] drivers/clocksource/clps711x-timer.o: warning: objtool: clps711x_clksrc_init()+0xa9: unreachable instruction /kisskb/src/drivers/char/tpm/tpm2-cmd.c: In function 'tpm2_get_pcr_allocation': /kisskb/src/drivers/char/tpm/tpm.h:457:9: warning: 'buf.data' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/char/tpm/tpm2-cmd.c:904:17: note: 'buf.data' was declared here /kisskb/src/fs/f2fs/data.c: In function 'f2fs_xattr_fiemap': /kisskb/src/fs/f2fs/data.c:1323:7: warning: 'flags' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/f2fs/data.c:1323:7: warning: 'len' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/char/random.c: In function '_extract_crng.constprop.39': /kisskb/src/drivers/char/random.c:972:19: warning: 'v' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/char/random.c: In function 'crng_initialize.constprop.36': /kisskb/src/drivers/char/random.c:797:18: warning: 'rv' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/char/tpm/tpm2-cmd.c: In function 'tpm2_pcr_read': /kisskb/src/drivers/char/tpm/tpm.h:457:9: warning: 'buf.data' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/char/tpm/tpm2-cmd.c:229:17: note: 'buf.data' was declared here /kisskb/src/block/blk-merge.c: In function '__blk_recalc_rq_segments': /kisskb/src/block/blk-merge.c:294:2: warning: 'bbio' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/char/tpm/tpm2-cmd.c: In function 'tpm2_pcr_extend': /kisskb/src/drivers/char/tpm/tpm.h:457:9: warning: 'buf.data' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/char/tpm/tpm2-cmd.c:279:17: note: 'buf.data' was declared here fs/seq_file.o: warning: objtool: seq_escape()+0x5a: unreachable instruction /kisskb/src/block/blk-merge.c: In function 'blk_account_io_merge': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/drivers/char/tpm/tpm2-cmd.c: In function 'tpm2_flush_context_cmd': /kisskb/src/drivers/char/tpm/tpm2-cmd.c:423:2: warning: 'buf.data' may be used uninitialized in this function [-Wuninitialized] drivers/crypto/atmel-aes.o: warning: objtool: atmel_aes_map()+0x216: unreachable instruction /kisskb/src/drivers/char/tpm/tpm2-cmd.c: In function 'tpm2_seal_trusted': /kisskb/src/drivers/char/tpm/tpm2-cmd.c:511:20: warning: 'hash' may be used uninitialized in this function [-Wuninitialized] drivers/dma-buf/dma-buf.o: warning: objtool: dma_buf_release()+0x69: unreachable instruction fs/ext4/move_extent.o: warning: objtool: mext_page_mkuptodate()+0x92: unreachable instruction /kisskb/src/drivers/char/tpm/tpm2-cmd.c: In function 'tpm2_get_cc_attrs_tbl': /kisskb/src/drivers/char/tpm/tpm.h:457:9: warning: 'buf.data' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/char/tpm/tpm2-cmd.c:967:17: note: 'buf.data' was declared here /kisskb/src/drivers/char/random.c: In function 'get_random_u64': /kisskb/src/drivers/char/random.c:2195:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/char/random.c: In function 'get_random_u32': /kisskb/src/drivers/char/random.c:2231:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] drivers/dma/mediatek/mtk-hsdma.o: warning: objtool: mtk_hsdma_alloc_pchan()+0x9e: unreachable instruction /kisskb/src/fs/hfsplus/unicode.c: In function 'hfsplus_asc2uni': /kisskb/src/fs/hfsplus/unicode.c:299:5: warning: 'dsize' may be used uninitialized in this function [-Wuninitialized] fs/btrfs/file-item.o: warning: objtool: btrfs_csum_one_bio()+0x18f: unreachable instruction fs/reiserfs/journal.o: warning: objtool: submit_logged_buffer()+0x47: unreachable instruction drivers/dma/dw/core.o: warning: objtool: dwc_free_chan_resources()+0xc6: unreachable instruction fs/jfs/jfs_txnmgr.o: warning: objtool: LogSyncRelease()+0x52: unreachable instruction fs/ntfs/runlist.o: warning: objtool: ntfs_runlists_merge()+0x694: unreachable instruction /kisskb/src/drivers/dma-buf/reservation.c: In function 'reservation_object_add_shared_inplace': /kisskb/src/drivers/dma-buf/reservation.c:142:3: warning: 'signaled_idx' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/dma-buf/reservation.c: In function 'reservation_object_add_shared_replace': /kisskb/src/drivers/dma-buf/reservation.c:210:7: warning: 'i' may be used uninitialized in this function [-Wuninitialized] fs/ntfs/super.o: warning: objtool: ntfs_fill_super()+0x27f: unreachable instruction drivers/dma-buf/dma-fence.o: warning: objtool: dma_fence_init()+0x53: unreachable instruction drivers/base/devres.o: warning: objtool: remove_nodes.isra.6()+0x132: unreachable instruction fs/f2fs/node.o: warning: objtool: f2fs_truncate_inode_blocks()+0x32b: unreachable instruction block/blk-mq-tag.o: warning: objtool: blk_mq_put_tag()+0x66: unreachable instruction fs/hfsplus/xattr.o: warning: objtool: hfsplus_create_attributes_file()+0x7c: unreachable instruction /kisskb/src/block/blk-mq.c: In function 'blk_mq_get_request': /kisskb/src/include/linux/percpu-refcount.h:183:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:178:26: note: 'percpu_count' was declared here kernel/irq/matrix.o: warning: objtool: irq_matrix_assign_system()+0x53: unreachable instruction /kisskb/src/block/blk-mq.c: In function 'blk_mq_timeout_work': /kisskb/src/include/linux/percpu-refcount.h:220:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:214:26: note: 'percpu_count' was declared here fs/f2fs/super.o: warning: objtool: f2fs_fill_super()+0x22e: unreachable instruction /kisskb/src/drivers/char/tpm/tpm2-space.c: In function 'tpm2_load_context': /kisskb/src/drivers/char/tpm/tpm2-space.c:86:23: warning: 'tbuf.data' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/char/tpm/tpm2-space.c: In function 'tpm2_save_context.constprop.6': /kisskb/src/drivers/char/tpm/tpm2-space.c:135:23: warning: 'tbuf.data' may be used uninitialized in this function [-Wuninitialized] fs/ext4/mballoc.o: warning: objtool: mb_find_order_for_block()+0x4e: unreachable instruction fs/ecryptfs/miscdev.o: warning: objtool: ecryptfs_miscdev_release()+0x53: unreachable instruction fs/ext4/resize.o: warning: objtool: ext4_alloc_group_tables()+0x6a: unreachable instruction fs/ext4/inode.o: warning: objtool: mpage_prepare_extent_to_map()+0x3a1: unreachable instruction mm/vmscan.o: warning: objtool: __remove_mapping()+0x89: unreachable instruction /kisskb/src/fs/ext4/namei.c: In function 'ext4_symlink': /kisskb/src/fs/ext4/namei.c:3156:9: warning: 'disk_link.len' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/ext4/namei.c:3176:2: warning: 'disk_link.name' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/lib/raid6/recov_avx512.c:387:2: warning: #warning "your version of binutils lacks AVX512 support" [-Wcpp] fs/f2fs/data.o: warning: objtool: f2fs_submit_page_bio()+0xae: unreachable instruction fs/ext4/namei.o: warning: objtool: ext4_dx_csum()+0x1b1: unreachable instruction kernel/signal.o: warning: objtool: task_set_jobctl_pending()+0x43: unreachable instruction /kisskb/src/lib/mpi/mpicoder.c: In function 'mpi_read_raw_from_sgl': /kisskb/src/lib/mpi/mpicoder.c:330:5: warning: 'buff' may be used uninitialized in this function [-Wuninitialized] fs/btrfs/transaction.o: warning: objtool: create_pending_snapshot()+0x309: unreachable instruction drivers/gpu/drm/ttm/ttm_tt.o: warning: objtool: ttm_tt_swapout()+0x4e: unreachable instruction kernel/params.o: warning: objtool: kernel_add_sysfs_param()+0xa3: unreachable instruction drivers/gpu/drm/drm_crtc_helper.o: warning: objtool: drm_crtc_helper_set_config()+0x59: unreachable instruction /kisskb/src/drivers/char/tpm/tpm_vtpm_proxy.c: In function 'vtpm_proxy_request_locality': /kisskb/src/drivers/char/tpm/tpm_vtpm_proxy.c:420:23: warning: 'buf.data' may be used uninitialized in this function [-Wuninitialized] fs/ext4/xattr.o: warning: objtool: ext4_xattr_inode_hash()+0x58: unreachable instruction fs/mpage.o: warning: objtool: __mpage_writepage()+0xf8: unreachable instruction /kisskb/src/drivers/base/memory.c: In function 'add_memory_block': /kisskb/src/drivers/base/memory.c:710:25: warning: 'section_nr' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/gpu/drm/ttm/ttm_bo.c: In function 'ttm_bo_mem_space_debug': /kisskb/src/drivers/gpu/drm/ttm/ttm_bo.c:101:3: warning: 'mem_type' may be used uninitialized in this function [-Wuninitialized] drivers/input/gameport/gameport.o: warning: objtool: gameport_start_polling()+0x78: unreachable instruction fs/block_dev.o: warning: objtool: blkdev_get()+0x189: unreachable instruction /kisskb/src/drivers/gpu/drm/udl/udl_modeset.c: In function 'udl_crtc_dpms': /kisskb/src/drivers/gpu/drm/udl/udl_modeset.c:29:9: warning: 'reg' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/gpu/drm/udl/udl_modeset.c:51:5: note: 'reg' was declared here fs/btrfs/file.o: warning: objtool: __btrfs_drop_extents()+0x2e9: unreachable instruction kernel/workqueue.o: warning: objtool: workqueue_init_early()+0x130: unreachable instruction mm/list_lru.o: warning: objtool: __list_lru_walk_one.isra.13()+0xd3: unreachable instruction fs/buffer.o: warning: objtool: cont_expand_zero()+0x1ac: unreachable instruction drivers/ide/ide-io.o: warning: objtool: start_request()+0x47: unreachable instruction fs/btrfs/extent-tree.o: warning: objtool: convert_extent_item_v0()+0x80: unreachable instruction /kisskb/src/fs/btrfs/inode.c: In function 'run_delalloc_nocow': /kisskb/src/fs/btrfs/inode.c:1492:7: warning: 'ram_bytes' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/btrfs/inode.c:1492:7: warning: 'disk_num_bytes' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/btrfs/inode.c:1490:8: warning: 'extent_offset' may be used uninitialized in this function [-Wuninitialized] fs/btrfs/ordered-data.o: warning: objtool: __btrfs_add_ordered_extent()+0x2ca: unreachable instruction drivers/gpu/drm/ttm/ttm_bo.o: warning: objtool: ttm_bo_release_list()+0x4f: unreachable instruction /kisskb/src/arch/x86/kernel/espfix_64.c: In function 'init_espfix_random': /kisskb/src/arch/x86/kernel/espfix_64.c:118:22: warning: 'rand' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/aio.c: In function 'lookup_ioctx': /kisskb/src/include/linux/percpu-refcount.h:254:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:248:26: note: 'percpu_count' was declared here mm/percpu.o: warning: objtool: pcpu_setup_first_chunk()+0x96: unreachable instruction drivers/ide/ide-probe.o: warning: objtool: ide_unregister()+0x44: unreachable instruction /kisskb/src/fs/aio.c: In function 'do_io_getevents': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here fs/direct-io.o: warning: objtool: do_direct_IO()+0x2b2: unreachable instruction /kisskb/src/fs/aio.c: In function 'aio_complete': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here kernel/cred.o: warning: objtool: __put_cred()+0x3d: unreachable instruction lib/mpi/mpi-pow.o: warning: objtool: mpi_powm()+0x3c7: unreachable instruction /kisskb/src/drivers/gpu/drm/drm_atomic_helper.c: In function 'drm_atomic_helper_async_check': /kisskb/src/drivers/gpu/drm/drm_atomic_helper.c:1549:2: warning: 'new_plane_state' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/gpu/drm/drm_atomic_helper.c:1545:2: warning: 'old_plane_state' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/gpu/drm/drm_atomic_helper.c:1549:2: warning: 'plane' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/aio.c: In function 'io_submit_one': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/include/linux/percpu-refcount.h:183:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:178:26: note: 'percpu_count' was declared here /kisskb/src/drivers/gpu/drm/drm_atomic_helper.c: In function 'drm_atomic_helper_setup_commit': /kisskb/src/drivers/gpu/drm/drm_atomic_helper.c:1899:26: warning: 'new_crtc_state' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/aio.c: In function '__se_sys_io_submit': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/fs/aio.c: In function '__se_compat_sys_io_submit': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/fs/aio.c: In function '__se_sys_io_destroy': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here drivers/mmc/host/wbsd.o: warning: objtool: wbsd_chip_poweroff()+0x3c: unreachable instruction fs/btrfs/locking.o: warning: objtool: btrfs_clear_lock_blocking_rw()+0x95: unreachable instruction /kisskb/src/fs/aio.c: In function 'free_ioctx_users': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/fs/aio.c: In function '__se_sys_io_cancel.isra.17': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/fs/aio.c: In function 'ioctx_alloc': /kisskb/src/include/linux/percpu-refcount.h:183:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:178:26: note: 'percpu_count' was declared here /kisskb/src/include/linux/percpu-refcount.h:183:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:178:26: note: 'percpu_count' was declared here /kisskb/src/fs/aio.c: In function '__se_sys_io_setup': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/fs/aio.c: In function '__se_compat_sys_io_setup': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here mm/gup.o: warning: objtool: get_gate_page()+0x103: unreachable instruction kernel/smpboot.o: warning: objtool: smpboot_thread_fn()+0x12f: unreachable instruction fs/aio.o: warning: objtool: aio_migratepage()+0x18b: unreachable instruction drivers/dma/ep93xx_dma.o: warning: objtool: ep93xx_dma_free_chan_resources()+0x5b: unreachable instruction drivers/gpu/drm/virtio/virtgpu_vq.o: warning: objtool: virtio_gpu_get_vbuf.isra.4()+0x82: unreachable instruction /kisskb/src/fs/btrfs/extent_io.c: In function 'end_bio_extent_readpage': /kisskb/src/fs/btrfs/extent_io.c:2653:32: warning: 'tree' may be used uninitialized in this function [-Wuninitialized] kernel/ucount.o: warning: objtool: user_namespace_sysctl_init()+0x4f: unreachable instruction drivers/mmc/host/android-goldfish.o: warning: objtool: goldfish_mmc_remove()+0x50: unreachable instruction /kisskb/src/drivers/media/common/videobuf2/videobuf2-core.c: In function 'vb2_thread': /kisskb/src/drivers/media/common/videobuf2/videobuf2-core.c:2545:3: warning: 'vb' may be used uninitialized in this function [-Wuninitialized] arch/x86/kernel/e820.o: warning: objtool: e820__reallocate_tables()+0x5c: unreachable instruction drivers/mmc/host/mtk-sd.o: warning: objtool: msdc_drv_probe()+0x598: unreachable instruction drivers/rpmsg/virtio_rpmsg_bus.o: warning: objtool: rpmsg_probe()+0x242: unreachable instruction /kisskb/src/drivers/slimbus/messaging.c: In function 'slim_do_transfer': /kisskb/src/drivers/slimbus/messaging.c:126:14: warning: 'tid' may be used uninitialized in this function [-Wuninitialized] drivers/mmc/host/omap_hsmmc.o: warning: objtool: omap_hsmmc_request()+0x4a: unreachable instruction fs/btrfs/inode.o: warning: objtool: dio_read_error()+0x63: unreachable instruction block/deadline-iosched.o: warning: objtool: deadline_exit_queue()+0x44: unreachable instruction /kisskb/src/fs/btrfs/free-space-cache.c: In function 'btrfs_bitmap_cluster': /kisskb/src/fs/btrfs/free-space-cache.c:2847:5: warning: 'next_zero' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/btrfs/ioctl.c: In function 'btrfs_extent_same': /kisskb/src/fs/btrfs/ioctl.c:3530:6: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] fs/locks.o: warning: objtool: locks_free_lock()+0x44: unreachable instruction block/mq-deadline.o: warning: objtool: __dd_dispatch_request()+0x117: unreachable instruction arch/x86/kernel/quirks.o: warning: objtool: ich_force_hpet_resume()+0x5e: unreachable instruction /kisskb/src/drivers/gpu/drm/drm_bufs.c: In function 'drm_legacy_rmmap_locked': /kisskb/src/drivers/gpu/drm/drm_bufs.c:526:4: warning: 'master' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/tty/serial/8250/8250_core.c: In function 'serial_unlink_irq_chain': /kisskb/src/drivers/tty/serial/8250/8250_core.c:251:18: warning: 'i' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/tty/serial/8250/8250_core.c: In function 'serial_link_irq_chain': /kisskb/src/drivers/tty/serial/8250/8250_core.c:206:2: warning: 'i' may be used uninitialized in this function [-Wuninitialized] fs/btrfs/extent_io.o: warning: objtool: __set_extent_bit()+0x197: unreachable instruction drivers/mfd/cros_ec_i2c.o: warning: objtool: cros_ec_pkt_xfer_i2c()+0x7a: unreachable instruction /kisskb/src/drivers/iio/accel/mma9551_core.c: In function 'mma9551_gpio_config': /kisskb/src/drivers/iio/accel/mma9551_core.c:590:34: warning: 'pol_mask' may be used uninitialized in this function [-Wuninitialized] fs/nilfs2/segment.o: warning: objtool: nilfs_transaction_unlock()+0x68: unreachable instruction drivers/platform/chrome/cros_ec_proto.o: warning: objtool: prepare_packet()+0x44: unreachable instruction fs/btrfs/ioctl.o: warning: objtool: create_subvol()+0x9f6: unreachable instruction drivers/virtio/virtio.o: warning: objtool: virtio_dev_probe()+0x91: unreachable instruction /kisskb/src/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c: In function 'start_delivery_v1_hw': /kisskb/src/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c:923:18: warning: 'wp' may be used uninitialized in this function [-Wuninitialized] drivers/tty/serial/8250/8250_core.o: warning: objtool: serial_unlink_irq_chain()+0x87: unreachable instruction drivers/gpu/drm/udl/udl_dmabuf.o: warning: objtool: udl_map_dma_buf()+0x302: unreachable instruction /kisskb/src/drivers/input/mouse/cyapa.c: In function 'cyapa_irq': /kisskb/src/drivers/input/mouse/cyapa.c:717:3: warning: 'error' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/futex.c: In function 'futex_atomic_op_inuser': /kisskb/src/kernel/futex.c:1604:3: warning: 'oldval' may be used uninitialized in this function [-Wuninitialized] drivers/scsi/hisi_sas/hisi_sas_main.o: warning: objtool: hisi_sas_task_prep()+0x284: unreachable instruction /kisskb/src/drivers/nvme/target/core.c: In function 'nvmet_find_namespace': /kisskb/src/include/linux/percpu-refcount.h:183:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:178:26: note: 'percpu_count' was declared here /kisskb/src/drivers/nvme/target/core.c: In function 'nvmet_put_namespace': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c: In function 'start_delivery_v2_hw': /kisskb/src/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c:1685:18: warning: 'wp' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/iio/accel/mma9551.c: In function 'mma9551_event_handler': /kisskb/src/drivers/iio/accel/mma9551.c:381:32: warning: 'reg' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/mm/memory.c: In function 'remap_pte_range': /kisskb/src/include/linux/compiler.h:212:30: warning: 'ptl' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/mm/memory.c:1984:14: note: 'ptl' was declared here /kisskb/src/drivers/nvme/target/core.c: In function 'nvmet_req_complete': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/drivers/nvme/target/core.c: In function 'nvmet_req_uninit': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/mm/memory.c: In function 'copy_pte_range': /kisskb/src/include/linux/compiler.h:212:30: warning: 'dst_ptl' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/mm/memory.c:1064:24: note: 'dst_ptl' was declared here /kisskb/src/drivers/nvme/target/core.c: In function 'nvmet_req_init': /kisskb/src/include/linux/percpu-refcount.h:254:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:248:26: note: 'percpu_count' was declared here fs/btrfs/volumes.o: warning: objtool: __btrfs_alloc_chunk()+0x67: 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:927:2: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/futex_compat.c: In function 'compat_exit_robust_list': /kisskb/src/kernel/futex_compat.c:117:21: warning: 'pip' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/futex_compat.c:114:2: warning: 'pending' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/futex_compat.c:95:3: warning: 'entry' may be used uninitialized in this function [-Wuninitialized] block/cfq-iosched.o: warning: objtool: cfq_should_idle()+0x90: unreachable instruction /kisskb/src/drivers/media/rc/rc-main.c: In function 'parse_protocol_change': /kisskb/src/drivers/media/rc/rc-main.c:1147:15: warning: 'mask' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/futex.c: In function 'exit_robust_list': /kisskb/src/kernel/futex.c:3493:21: warning: 'pip' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/futex.c:3492:2: warning: 'pending' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/kernel/futex.c:3475:3: warning: 'entry' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/media/rc/rc-main.c: In function 'store_wakeup_protocols': /kisskb/src/drivers/media/rc/rc-main.c:1510:20: warning: 'protocol' may be used uninitialized in this function [-Wuninitialized] drivers/virtio/virtio_ring.o: warning: objtool: detach_buf()+0xf0: unreachable instruction drivers/media/common/videobuf2/videobuf2-vmalloc.o: warning: objtool: vb2_vmalloc_dmabuf_ops_map()+0xfc: unreachable instruction /kisskb/src/fs/btrfs/tree-log.c: In function 'btrfs_log_prealloc_extents': /kisskb/src/fs/btrfs/tree-log.c:4357:9: warning: 'start_slot' may be used uninitialized in this function [-Wuninitialized] drivers/spi/spi.o: warning: objtool: spi_map_buf()+0x2a5: unreachable instruction drivers/mfd/cros_ec_spi.o: warning: objtool: cros_ec_spi_receive_packet()+0x4a: unreachable instruction /kisskb/src/drivers/i2c/busses/i2c-diolan-u2c.c: In function 'diolan_usb_xfer': /kisskb/src/drivers/i2c/busses/i2c-diolan-u2c.c:393:18: warning: 'byte' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/nvme/target/io-cmd-file.c: In function 'nvmet_file_execute_discard': /kisskb/src/drivers/nvme/target/io-cmd-file.c:227:20: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/iio/accel/sca3000.c: In function 'sca3000_write_raw_samp_freq': /kisskb/src/drivers/iio/accel/sca3000.c:651:2: warning: 'base_freq' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/nvme/target/io-cmd-bdev.c: In function 'nvmet_bdev_execute_discard': /kisskb/src/drivers/nvme/target/io-cmd-bdev.c:169:21: warning: 'status' may be used uninitialized in this function [-Wuninitialized] mm/memory.o: warning: objtool: vm_insert_pfn_prot()+0x52: unreachable instruction drivers/dma/timb_dma.o: warning: objtool: td_free_chan_resources()+0xb0: unreachable instruction fs/ext4/super.o: warning: objtool: ext4_superblock_csum()+0x4e: unreachable instruction drivers/tty/serial/8250/8250_dma.o: warning: objtool: serial8250_request_dma()+0x368: unreachable instruction drivers/scsi/libsas/sas_expander.o: warning: objtool: sas_ex_discover_expander()+0x13b: unreachable instruction /kisskb/src/drivers/misc/bh1770glc.c: In function 'bh1770_prox_read_result': /kisskb/src/drivers/misc/bh1770glc.c:236:29: warning: 'mode' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/misc/bh1770glc.c:469:5: note: 'mode' was declared here /kisskb/src/drivers/tty/serial/8250/8250_fintek.c: In function 'probe_setup_port': /kisskb/src/drivers/tty/serial/8250/8250_fintek.c:409:18: warning: 'k' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/leds/leds-max8997.c: In function 'max8997_led_set_mode': /kisskb/src/drivers/leds/leds-max8997.c:91:27: warning: 'val' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/usb/core/hcd.c: In function 'rh_call_control': /kisskb/src/drivers/usb/core/hcd.c:711:10: warning: 'bufp' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/tty/vt/consolemap.c: In function 'conv_uni_to_pc': /kisskb/src/drivers/tty/vt/consolemap.c:812:6: warning: 'h' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/nvme/target/fc.c: In function 'nvmet_fc_ls_create_association': /kisskb/src/drivers/nvme/target/fc.c:1344:20: warning: 'queue' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/nvme/target/fc.c: In function 'nvmet_fc_ls_create_connection': /kisskb/src/drivers/nvme/target/fc.c:1437:20: warning: 'queue' may be used uninitialized in this function [-Wuninitialized] fs/btrfs/compression.o: warning: objtool: btrfs_submit_compressed_write()+0x266: unreachable instruction arch/x86/kernel/alternative.o: warning: objtool: text_poke()+0x148: unreachable instruction /kisskb/src/kernel/kexec_file.c: In function 'kexec_apply_relocations': /kisskb/src/kernel/kexec_file.c:896:3: warning: 'ret' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/hid/hid-kye.c: In function 'kye_tablet_enable': /kisskb/src/include/linux/hid.h:1039:34: warning: 'report' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/hid/hid-kye.c:592:21: note: 'report' was declared here /kisskb/src/drivers/mfd/arizona-core.c: In function 'arizona_dev_init': /kisskb/src/drivers/mfd/arizona-core.c:1404:6: warning: 'n_subdevs' may be used uninitialized in this function [-Wuninitialized] kernel/kexec_file.o: warning: objtool: kexec_image_load_default()+0x3c: unsupported stack register modification /kisskb/src/arch/x86/kernel/hw_breakpoint.c: In function 'arch_validate_hwbkpt_settings': /kisskb/src/arch/x86/kernel/hw_breakpoint.c:361:2: warning: 'align' may be used uninitialized in this function [-Wuninitialized] drivers/uwb/est.o: warning: objtool: uwb_est_get_size()+0xf0: unreachable instruction /kisskb/src/drivers/scsi/constants.c: In function 'scsi_opcode_sa_name': /kisskb/src/drivers/scsi/constants.c:288:2: warning: 'arr_sz' may be used uninitialized in this function [-Wuninitialized] drivers/scsi/scsi_lib_dma.o: warning: objtool: scsi_dma_map()+0xbc: unreachable instruction drivers/video/fbdev/goldfishfb.o: warning: objtool: goldfish_fb_probe()+0x26f: unreachable instruction mm/mmap.o: warning: objtool: mm_drop_all_locks()+0x44: unreachable instruction fs/btrfs/relocation.o: warning: objtool: create_reloc_root()+0x6f: unreachable instruction fs/btrfs/backref.o: warning: objtool: add_missing_keys()+0x63: unreachable instruction /kisskb/src/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c: In function 'st_lsm6dsx_init_device': /kisskb/src/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c:750:8: warning: 'drdy_int_reg' may be used uninitialized in this function [-Wuninitialized] drivers/ide/ide-disk.o: warning: objtool: ide_do_rw_disk()+0x4e: unreachable instruction drivers/tty/serial/imx.o: warning: objtool: imx_uart_dma_tx()+0x24a: unreachable instruction drivers/scsi/scsi_lib.o: warning: objtool: scsi_init_io()+0x2b6: unreachable instruction drivers/ide/ide-tape.o: warning: objtool: idetape_do_request()+0x5d: unreachable instruction /kisskb/src/drivers/iio/light/apds9960.c: In function 'apds9960_write_event': /kisskb/src/drivers/iio/light/apds9960.c:671:26: warning: 'reg' may be used uninitialized in this function [-Wuninitialized] drivers/gpu/drm/drm_mm.o: warning: objtool: drm_mm_remove_node()+0x56: unreachable instruction /kisskb/src/drivers/iio/light/apds9960.c: In function 'apds9960_read_event': /kisskb/src/drivers/iio/light/apds9960.c:630:25: warning: 'reg' may be used uninitialized in this function [-Wuninitialized] fs/btrfs/delayed-inode.o: warning: objtool: __btrfs_remove_delayed_item()+0x55: unreachable instruction drivers/uwb/lc-dev.o: warning: objtool: uwb_dev_add()+0x49: unreachable instruction fs/btrfs/scrub.o: warning: objtool: scrub_setup_recheck_block()+0x1bc: unreachable instruction /kisskb/src/drivers/power/supply/bq24190_charger.c: In function 'bq24190_charger_set_charge_type.isra.13': /kisskb/src/drivers/power/supply/bq24190_charger.c:801:27: warning: 'en_term' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/power/supply/bq24190_charger.c:794:27: warning: 'force_20pct' may be used uninitialized in this function [-Wuninitialized] drivers/video/fbdev/ocfb.o: warning: objtool: ocfb_probe()+0x1e8: unreachable instruction drivers/video/fbdev/smscufx.o: warning: objtool: ufx_raw_rect()+0x5e: unreachable instruction /kisskb/src/drivers/video/backlight/adp8860_bl.c: In function 'adp8860_bl_ambient_light_level_show': /kisskb/src/drivers/video/backlight/adp8860_bl.c:579:10: warning: 'ret_val' may be used uninitialized in this function [-Wuninitialized] mm/rmap.o: warning: objtool: hugepage_add_anon_rmap()+0x8d: unreachable instruction /kisskb/src/drivers/iio/proximity/srf08.c: In function 'srf08_write_sensitivity': /kisskb/src/drivers/iio/proximity/srf08.c:370:33: warning: 'regval' may be used uninitialized in this function [-Wuninitialized] drivers/usb/host/isp1362-hcd.o: warning: objtool: postproc_ep()+0x56: unreachable instruction /kisskb/src/drivers/media/v4l2-core/v4l2-compat-ioctl32.c: In function 'get_v4l2_buffer32': /kisskb/src/drivers/media/v4l2-core/v4l2-compat-ioctl32.c:643:8: warning: 'memory' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/media/v4l2-core/v4l2-compat-ioctl32.c:583:6: warning: 'length' may be used uninitialized in this function [-Wuninitialized] mm/vmalloc.o: warning: objtool: vb_free()+0x49: unreachable instruction /kisskb/src/drivers/media/v4l2-core/v4l2-compat-ioctl32.c: In function 'put_v4l2_buffer32': /kisskb/src/drivers/media/v4l2-core/v4l2-compat-ioctl32.c:727:8: warning: 'memory' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/gpu/drm/drm_edid.c: In function 'add_cea_modes': /kisskb/src/drivers/gpu/drm/drm_edid.c:3746:30: warning: 'hdmi_len' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/iio/light/isl29018.c: In function 'isl29018_set_integration_time': /kisskb/src/drivers/iio/light/isl29018.c:128:16: warning: 'new_int_time' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/media/v4l2-core/v4l2-compat-ioctl32.c: In function 'get_v4l2_ext_controls32': /kisskb/src/drivers/media/v4l2-core/v4l2-compat-ioctl32.c:930:2: warning: 'count' may be used uninitialized in this function [-Wuninitialized] drivers/tty/serial/atmel_serial.o: warning: objtool: atmel_prepare_tx_dma()+0xf5: unreachable instruction /kisskb/src/fs/btrfs/send.c: In function 'get_first_ref': /kisskb/src/fs/btrfs/send.c:1751:2: warning: 'found_key.type' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/btrfs/send.c:1780:7: warning: 'found_key.offset' may be used uninitialized in this function [-Wuninitialized] drivers/gpu/drm/drm_global.o: warning: objtool: drm_global_release()+0x47: unreachable instruction /kisskb/src/drivers/gpu/drm/drm_edid.c: In function 'add_alternate_cea_modes': /kisskb/src/drivers/gpu/drm/drm_edid.c:3145:3: warning: 'clock2' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/btrfs/uuid-tree.c: In function 'btrfs_uuid_tree_add': /kisskb/src/fs/btrfs/uuid-tree.c:139:21: warning: 'offset' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/fs/btrfs/uuid-tree.c:140:25: warning: 'eb' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/lib/percpu-refcount.c: In function '__percpu_ref_switch_to_atomic': /kisskb/src/include/linux/percpu-refcount.h:183:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:178:26: note: 'percpu_count' was declared here /kisskb/src/lib/percpu-refcount.c: In function 'percpu_ref_call_confirm_rcu': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/lib/percpu-refcount.c: In function 'percpu_ref_kill_and_confirm': /kisskb/src/include/linux/percpu-refcount.h:282:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:277:26: note: 'percpu_count' was declared here /kisskb/src/lib/percpu-refcount.c: In function 'percpu_ref_reinit': /kisskb/src/include/linux/percpu-refcount.h:183:1: warning: 'percpu_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/include/linux/percpu-refcount.h:178:26: note: 'percpu_count' was declared here drivers/tty/serial/fsl_lpuart.o: warning: objtool: lpuart_resume()+0x2d1: unreachable instruction fs/btrfs/qgroup.o: warning: objtool: btrfs_qgroup_trace_subtree()+0x5c: unreachable instruction /kisskb/src/drivers/iio/dac/mcp4725.c: In function 'mcp4725_probe': /kisskb/src/drivers/iio/dac/mcp4725.c:486:3: warning: 'ref' may be used uninitialized in this function [-Wuninitialized] fs/btrfs/raid56.o: warning: objtool: finish_rmw()+0x8b: unreachable instruction drivers/gpu/drm/drm_prime.o: warning: objtool: drm_gem_map_dma_buf()+0x1df: unreachable instruction /kisskb/src/mm/memblock.c: In function '__next_mem_pfn_range': /kisskb/src/mm/memblock.c:1109:15: warning: 'r' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/usb/host/xhci-hub.c: In function 'xhci_create_usb3_bos_desc': /kisskb/src/drivers/usb/host/xhci-hub.c:113:26: warning: 'ssa_count' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/iio/light/lm3533-als.c: In function 'show_thresh_either_en': /kisskb/src/drivers/iio/light/lm3533-als.c:424:18: warning: 'enable' may be used uninitialized in this function [-Wuninitialized] drivers/usb/wusbcore/dev-sysfs.o: warning: objtool: wusb_ck_store()+0x140: unreachable instruction /kisskb/src/drivers/media/tuners/msi001.c: In function 'msi001_set_tuner': /kisskb/src/drivers/media/tuners/msi001.c:253:21: warning: 'filter_mode' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/media/tuners/msi001.c:167:2: warning: 'mode' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/media/tuners/msi001.c:221:11: warning: 'div_lo' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/usb/wusbcore/devconnect.c: In function 'wusbhc_devconnect_ack': /kisskb/src/drivers/usb/wusbcore/devconnect.c:317:15: warning: 'port' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/lib/rhashtable.c: In function 'rhashtable_rehash_one': /kisskb/src/lib/rhashtable.c:269:2: warning: 'next' may be used uninitialized in this function [-Wuninitialized] drivers/usb/host/xhci-mem.o: warning: objtool: scratchpad_alloc()+0x33f: unreachable instruction drivers/usb/wusbcore/devconnect.o: warning: objtool: wusb_dev_add_ncb()+0xd5: unreachable instruction /kisskb/src/drivers/gpu/drm/drm_atomic.c: In function 'prepare_crtc_signaling': /kisskb/src/drivers/gpu/drm/drm_atomic.c:2232:14: warning: 'crtc_state' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/regulator/max8925-regulator.c: In function 'max8925_regulator_probe': /kisskb/src/drivers/regulator/max8925-regulator.c:313:45: warning: 'ri' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/mm/ksm.c: In function 'stable_node_dup': /kisskb/src/mm/ksm.c:1395:4: warning: 'found_rmap_hlist_len' may be used uninitialized in this function [-Wuninitialized] drivers/spi/spi-tegra114.o: warning: objtool: tegra_spi_init_dma_param()+0x11e: unreachable instruction /kisskb/src/mm/ksm.c: In function 'stable_tree_insert': /kisskb/src/mm/ksm.c:1893:16: warning: 'stable_node' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/media/tuners/max2165.c: In function 'max2165_set_rf': /kisskb/src/drivers/media/tuners/max2165.c:202:11: warning: 'fraction' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/media/tuners/max2165.c:204:19: warning: 'quotient' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/mm/hugetlb.c: In function 'alloc_pool_huge_page': /kisskb/src/mm/hugetlb.c:1433:2: warning: 'page' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/lib/test_firmware.c: In function 'trigger_batched_requests_async_store': /kisskb/src/lib/test_firmware.c:781:31: warning: 'rc' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/input/touchscreen/hideep.c: In function 'hideep_update_firmware': /kisskb/src/drivers/input/touchscreen/hideep.c:632:2: warning: 'error' may be used uninitialized in this function [-Wuninitialized] mm/migrate.o: warning: objtool: buffer_migrate_page()+0x87: unreachable instruction /kisskb/src/drivers/regulator/s2mpa01.c: In function 's2mpa01_set_ramp_delay': /kisskb/src/drivers/regulator/s2mpa01.c:208:9: warning: 'ramp_shift' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/regulator/s2mps11.c: In function 's2mps11_set_ramp_delay': /kisskb/src/drivers/regulator/s2mps11.c:233:9: warning: 'ramp_shift' may be used uninitialized in this function [-Wuninitialized] fs/btrfs/send.o: warning: objtool: read_symlink()+0x14f: unreachable instruction /kisskb/src/mm/slub.c: In function 'kmem_cache_free_bulk': /kisskb/src/mm/slub.c:2943:14: warning: 'df.cnt' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/mm/slub.c:3074:28: note: 'df.cnt' was declared here arch/x86/kernel/ftrace.o: warning: objtool: ftrace_modify_code.constprop.12()+0xaf: unreachable instruction /kisskb/src/mm/slub.c:2943:14: warning: 'df.freelist' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/mm/slub.c:3074:28: note: 'df.freelist' was declared here /kisskb/src/mm/slub.c:2911:26: warning: 'df.tail' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/mm/slub.c:3074:28: note: 'df.tail' was declared here /kisskb/src/mm/slub.c:2922:1: warning: 'df.s' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/mm/slub.c:3074:28: note: 'df.s' was declared here arch/x86/kernel/machine_kexec_64.o: warning: objtool: arch_kexec_kernel_image_load()+0x55: unsupported stack register modification /kisskb/src/drivers/usb/host/max3421-hcd.c: In function 'max3421_probe': /kisskb/src/drivers/usb/host/max3421-hcd.c:1959:3: warning: 'max3421_hcd' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/watchdog/ziirave_wdt.c: In function 'ziirave_wdt_sysfs_store_firm': /kisskb/src/drivers/watchdog/ziirave_wdt.c:592:18: warning: 'fw' may be used uninitialized in this function [-Wuninitialized] mm/hugetlb.o: warning: objtool: huge_pte_alloc()+0x135: unreachable instruction /kisskb/src/lib/assoc_array.c: In function 'assoc_array_insert_into_terminal_node': /kisskb/src/lib/assoc_array.c:645:2: warning: 'j' may be used uninitialized in this function [-Wuninitialized] mm/slub.o: warning: objtool: early_kmem_cache_node_alloc()+0x4a: unreachable instruction mm/zsmalloc.o: warning: objtool: zs_page_migrate()+0x218: unreachable instruction /kisskb/src/drivers/usb/host/max3421-hcd.c: In function 'max3421_select_and_start_urb': /kisskb/src/drivers/usb/host/max3421-hcd.c:2019:1: warning: 'ep' may be used uninitialized in this function [-Wuninitialized] /kisskb/src/drivers/usb/host/max3421-hcd.c:671:28: note: 'ep' was declared here /kisskb/src/drivers/usb/host/max3421-hcd.c:787:26: warning: 'max3421_ep' may be used uninitialized in this function [-Wuninitialized] lib/assoc_array.o: warning: objtool: assoc_array_insert_into_terminal_node()+0x351: unreachable instruction /kisskb/src/drivers/usb/serial/qcserial.c: In function 'qcprobe': /kisskb/src/drivers/usb/serial/qcserial.c:404:29: warning: 'ifnum' may be used uninitialized in this function [-Wuninitialized] drivers/scsi/scsi_debug.o: warning: objtool: prot_verify_write()+0x59: unreachable instruction drivers/gpu/drm/drm_vblank.o: warning: objtool: drm_vblank_restore()+0xb2: unreachable instruction crypto/drbg.o: warning: objtool: drbg_async_seed()+0x83: unreachable instruction lib/syscall.o: warning: objtool: collect_syscall()+0x2df: unreachable instruction lib/genalloc.o: warning: objtool: gen_pool_free()+0x7f: unreachable instruction /kisskb/src/drivers/scsi/osst.c: In function '__os_scsi_tape_open': /kisskb/src/drivers/scsi/osst.c:4616:2: warning: 'STp' may be used uninitialized in this function [-Wuninitialized] lib/plist.o: warning: objtool: plist_requeue()+0x40: unreachable instruction lib/dynamic_debug.o: warning: objtool: __dynamic_pr_debug()+0x74: unreachable instruction lib/idr.o: warning: objtool: ida_simple_get()+0x49: unreachable instruction lib/kobject.o: warning: objtool: create_dir()+0xd9: unreachable instruction lib/radix-tree.o: warning: objtool: __radix_tree_insert()+0x51: unreachable instruction WARNING: vmlinux.o(.text.unlikely+0x3894): Section mismatch in reference from the function percpu_setup_debug_store() to the function .init.text:cea_map_percpu_pages() The function percpu_setup_debug_store() references the function __init cea_map_percpu_pages(). This is often because percpu_setup_debug_store lacks a __init annotation or the annotation of cea_map_percpu_pages is wrong. FATAL: modpost: Section mismatches detected. Set CONFIG_SECTION_MISMATCH_WARN_ONLY=y to allow them. /kisskb/src/scripts/Makefile.modpost:98: recipe for target 'vmlinux.o' failed make[2]: *** [vmlinux.o] Error 1 /kisskb/src/Makefile:1005: recipe for target 'vmlinux' failed make[1]: *** [vmlinux] Error 2 Makefile:146: recipe for target 'sub-make' failed make: *** [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: 0:00:48.977630