[kbuild-all] [linux-next:master 8070/11103] ERROR: modpost: ".strscpy" undefined!

Hi Kumar, First bad commit (maybe != root cause): tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 07f7e57c63aaa2afb4ea31edef05e08699a63a00 commit: 7ea3f3a6bf48075ad1b8f6b58f054ac84baf1d7e [8070/11103] staging: rtl8188eu: Switch from strlcpy to strscpy config: powerpc-allyesconfig (attached as .config) compiler: powerpc64-linux-gcc (GCC) 9.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commi... git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout 7ea3f3a6bf48075ad1b8f6b58f054ac84baf1d7e # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=powerpc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; Note: the linux-next/master HEAD 07f7e57c63aaa2afb4ea31edef05e08699a63a00 builds fine. It may have been fixed somewhere. All errors (new ones prefixed by >>, old ones prefixed by <<): ERROR: modpost: ".__ubsan_handle_load_invalid_value" [drivers/staging/vt6655/vt6655_stage.ko] undefined! ERROR: modpost: ".skb_put" [drivers/staging/vt6655/vt6655_stage.ko] undefined! ERROR: modpost: ".ieee80211_beacon_get_tim" [drivers/staging/vt6655/vt6655_stage.ko] undefined! ERROR: modpost: ".ieee80211_unregister_hw" [drivers/staging/vt6655/vt6655_stage.ko] undefined! ERROR: modpost: ".__sanitizer_cov_trace_switch" [drivers/staging/vt6655/vt6655_stage.ko] undefined! ERROR: modpost: ".__sanitizer_cov_trace_const_cmp2" [drivers/staging/vt6655/vt6655_stage.ko] undefined! ERROR: modpost: ".__sanitizer_cov_trace_pc" [drivers/staging/vt6655/vt6655_stage.ko] undefined! ERROR: modpost: ".dma_unmap_page_attrs" [drivers/staging/vt6655/vt6655_stage.ko] undefined! ERROR: modpost: ".__raw_spin_lock_init" [drivers/staging/vt6655/vt6655_stage.ko] undefined! ERROR: modpost: ".__dynamic_pr_debug" [drivers/staging/vt6655/vt6655_stage.ko] undefined! ERROR: modpost: ".__sanitizer_cov_trace_const_cmp1" [drivers/staging/vt6655/vt6655_stage.ko] undefined! ERROR: modpost: ".__sanitizer_cov_trace_cmp2" [drivers/staging/vt6655/vt6655_stage.ko] undefined! ERROR: modpost: ".__netdev_alloc_skb" [drivers/staging/vt6655/vt6655_stage.ko] undefined! ERROR: modpost: ".ieee80211_rx_irqsafe" [drivers/staging/vt6655/vt6655_stage.ko] undefined! ERROR: modpost: "._raw_spin_lock_irqsave" [drivers/staging/vt6655/vt6655_stage.ko] undefined! ERROR: modpost: ".is_vmalloc_addr" [drivers/staging/vt6655/vt6655_stage.ko] undefined! ERROR: modpost: ".skb_pull" [drivers/staging/vt6655/vt6655_stage.ko] undefined! ERROR: modpost: ".udelay" [drivers/staging/vt6655/vt6655_stage.ko] undefined! ERROR: modpost: ".memcpy" [drivers/staging/vt6655/vt6655_stage.ko] undefined! ERROR: modpost: ".queue_work_on" [drivers/staging/vt6655/vt6655_stage.ko] undefined! ERROR: modpost: ".ieee80211_wake_queues" [drivers/staging/vt6655/vt6655_stage.ko] undefined! ERROR: modpost: ".memset" [drivers/staging/vt6655/vt6655_stage.ko] undefined! ERROR: modpost: ".ioread32" [drivers/staging/vt6655/vt6655_stage.ko] undefined! ERROR: modpost: ".ieee80211_get_tkip_p2k" [drivers/staging/vt6655/vt6655_stage.ko] undefined! ERROR: modpost: ".dma_map_page_attrs" [drivers/staging/vt6655/vt6655_stage.ko] undefined! ERROR: modpost: "._dev_err" [drivers/staging/vt6655/vt6655_stage.ko] undefined! ERROR: modpost: ".iowrite8" [drivers/staging/vt6655/vt6655_stage.ko] undefined! ERROR: modpost: ".ioremap" [drivers/staging/vt6655/vt6655_stage.ko] undefined! ERROR: modpost: ".dma_free_attrs" [drivers/staging/vt6655/vt6655_stage.ko] undefined! ERROR: modpost: ".pci_set_master" [drivers/staging/vt6655/vt6655_stage.ko] undefined! ERROR: modpost: ".__dynamic_dev_dbg" [drivers/staging/vt6655/vt6655_stage.ko] undefined! ERROR: modpost: ".__stack_chk_fail" [drivers/staging/vt6655/vt6655_stage.ko] undefined! ERROR: modpost: ".__sanitizer_cov_trace_const_cmp4" [drivers/staging/vt6655/vt6655_stage.ko] undefined! ERROR: modpost: "._memcpy_toio" [drivers/staging/vt6655/vt6655_stage.ko] undefined! ERROR: modpost: ".pci_release_regions" [drivers/staging/vt6655/vt6655_stage.ko] undefined! ERROR: modpost: ".ieee80211_register_hw" [drivers/staging/vt6655/vt6655_stage.ko] undefined! ERROR: modpost: ".device_wakeup_disable" [drivers/staging/vt6655/vt6655_stage.ko] undefined! ERROR: modpost: ".pci_enable_device" [drivers/staging/vt6655/vt6655_stage.ko] undefined! ERROR: modpost: "._dev_notice" [drivers/staging/vt6655/vt6655_stage.ko] undefined! ERROR: modpost: ".ieee80211_stop_queues" [drivers/staging/vt6655/vt6655_stage.ko] undefined! ERROR: modpost: ".dma_set_mask" [drivers/staging/vt6655/vt6655_stage.ko] undefined! ERROR: modpost: ".iowrite16" [drivers/staging/vt6655/vt6655_stage.ko] undefined! ERROR: modpost: ".ioread8" [drivers/staging/vt6655/vt6655_stage.ko] undefined! ERROR: modpost: ".skb_queue_purge" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".skb_clone" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: "._raw_spin_unlock_irqrestore" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".__warn_printk" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".del_timer_sync" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".__ubsan_handle_out_of_bounds" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".__init_swait_queue_head" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".usb_free_urb" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".__sanitizer_cov_trace_cmp4" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".kmem_cache_alloc_trace" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".net_ratelimit" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".consume_skb" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".complete_and_exit" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".alloc_netdev_mqs" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".mod_timer" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".__tasklet_schedule" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".snprintf" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".kmalloc_order_trace" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".__mutex_init" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".vmalloc" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".print_hex_dump" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".netif_tx_wake_queue" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".netdev_warn" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".lockdep_init_map_waits" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".strlen" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".usb_control_msg" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".skb_copy" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".wait_for_completion_timeout" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".__ubsan_handle_divrem_overflow" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".__init_work" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: "._copy_to_user" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".init_timer_key" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".usb_get_dev" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".fortify_panic" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".sscanf" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".kfree_skb" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".__sanitizer_cov_trace_cmp8" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".flush_signals" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".__sanitizer_cov_trace_cmp1" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".__ubsan_handle_shift_out_of_bounds" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".alloc_etherdev_mqs" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".cancel_work_sync" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".memcmp" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".netdev_info" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".kfree" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".usb_alloc_urb" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".netif_carrier_off" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: "._raw_spin_lock_bh" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".request_firmware" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".__sanitizer_cov_trace_const_cmp8" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".usb_put_dev" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".netif_device_attach" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".skb_copy_bits" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".skb_trim" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".mutex_lock_nested" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".dev_alloc_name" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".skb_push" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".sprintf" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".__ubsan_handle_load_invalid_value" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".__msecs_to_jiffies" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".skb_put" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".__kmalloc" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".vzalloc" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".release_firmware" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".free_netdev" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".__list_add_valid" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: "._raw_spin_lock" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".__sanitizer_cov_trace_switch" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".scnprintf" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".netif_rx" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".__sanitizer_cov_trace_const_cmp2" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".__sanitizer_cov_trace_pc" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".unregister_netdev" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".yield" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".lib80211_get_crypto_ops" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".kmemdup" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".usb_deregister" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".jiffies_to_msecs" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".skb_dequeue" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".__raw_spin_lock_init" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".kernel_sigaction" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".mutex_lock_interruptible_nested" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".__dynamic_pr_debug" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".__sanitizer_cov_trace_const_cmp1" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".usleep_range" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".__dev_kfree_skb_any" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".__sanitizer_cov_trace_cmp2" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".usb_submit_urb" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".__netdev_alloc_skb" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".mac_pton" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".usb_autopm_get_interface" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".usb_register_driver" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".strnlen" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: "._raw_spin_lock_irqsave" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".skb_queue_tail" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".__check_object_size" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".skb_pull" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".udelay" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: "._raw_spin_unlock" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".__tasklet_hi_schedule" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".memcpy" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".wake_up_process" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".queue_work_on" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".mutex_destroy" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".strncasecmp" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".memset" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".memmove" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".register_netdev" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: "._dev_err" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".memdup_user" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".get_random_bytes" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: "._raw_spin_unlock_bh" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".usb_kill_urb" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".wait_for_completion_interruptible" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".printk" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".tasklet_setup" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".__list_del_entry_valid" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".wireless_send_event" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".device_init_wakeup" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".msleep" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".__stack_chk_fail" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".kmemleak_not_leak" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".__sanitizer_cov_trace_const_cmp4" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".netif_tx_stop_all_queues" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".mutex_unlock" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".kthread_create_on_node" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".complete" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".strcmp" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".vfree" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".netif_carrier_on" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".eth_type_trans" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".usb_reset_device" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".iwe_stream_add_event" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".ieee80211_hdrlen" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: "._copy_from_user" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".iwe_stream_add_point" [drivers/staging/rtl8188eu/r8188eu.ko] undefined! ERROR: modpost: ".skb_clone" [drivers/staging/rtl8723bs/r8723bs.ko] undefined! ERROR: modpost: ".wiphy_unregister" [drivers/staging/rtl8723bs/r8723bs.ko] undefined! ERROR: modpost: ".register_netdevice_notifier" [drivers/staging/rtl8723bs/r8723bs.ko] undefined! ERROR: modpost: "._raw_spin_unlock_irqrestore" [drivers/staging/rtl8723bs/r8723bs.ko] undefined! ERROR: modpost: ".cfg80211_inform_bss_frame_data" [drivers/staging/rtl8723bs/r8723bs.ko] undefined! ERROR: modpost: ".__warn_printk" [drivers/staging/rtl8723bs/r8723bs.ko] undefined! ERROR: modpost: ".del_timer_sync" [drivers/staging/rtl8723bs/r8723bs.ko] undefined! ERROR: modpost: ".__ubsan_handle_out_of_bounds" [drivers/staging/rtl8723bs/r8723bs.ko] undefined! ERROR: modpost: ".wiphy_new_nm" [drivers/staging/rtl8723bs/r8723bs.ko] undefined! ERROR: modpost: ".__init_swait_queue_head" [drivers/staging/rtl8723bs/r8723bs.ko] undefined! ERROR: modpost: ".__sanitizer_cov_trace_cmp4" [drivers/staging/rtl8723bs/r8723bs.ko] undefined! ERROR: modpost: ".kmem_cache_alloc_trace" [drivers/staging/rtl8723bs/r8723bs.ko] undefined! ERROR: modpost: ".complete_and_exit" [drivers/staging/rtl8723bs/r8723bs.ko] undefined! ERROR: modpost: ".sdio_set_block_size" [drivers/staging/rtl8723bs/r8723bs.ko] undefined! ERROR: modpost: ".mod_timer" [drivers/staging/rtl8723bs/r8723bs.ko] undefined! ERROR: modpost: ".__tasklet_schedule" [drivers/staging/rtl8723bs/r8723bs.ko] undefined! ERROR: modpost: ".snprintf" [drivers/staging/rtl8723bs/r8723bs.ko] undefined! ERROR: modpost: ".__mutex_init" [drivers/staging/rtl8723bs/r8723bs.ko] undefined! ERROR: modpost: ".vmalloc" [drivers/staging/rtl8723bs/r8723bs.ko] undefined! ERROR: modpost: ".netif_tx_wake_queue" [drivers/staging/rtl8723bs/r8723bs.ko] undefined! ERROR: modpost: ".lockdep_init_map_waits" [drivers/staging/rtl8723bs/r8723bs.ko] undefined! --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org