Messages in this thread | | | Date | Fri, 19 Jan 2018 07:00:12 +0800 | From | kbuild test robot <> | Subject | drivers/media/usb/ttusb-dec/.tmp_ttusb_dec.o: warning: objtool: ttusb_dec_process_urb_frame_list()+0x114: sibling call from callable instruction with modified stack frame |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: dda3e15231b35840fe6f0973f803cc70ddb86281 commit: 2a0098d70640dda192a79966c14d449e7a34d675 objtool: Fix seg fault with gold linker date: 3 days ago config: x86_64-randconfig-r0-01190349 (attached as .config) compiler: gcc-6 (Debian 6.4.0-9) 6.4.0 20171026 reproduce: git checkout 2a0098d70640dda192a79966c14d449e7a34d675 # save the attached .config to linux build tree make ARCH=x86_64
All warnings (new ones prefixed by >>):
Cyclomatic Complexity 5 include/linux/compiler.h:__write_once_size Cyclomatic Complexity 2 arch/x86/include/asm/bitops.h:set_bit Cyclomatic Complexity 1 arch/x86/include/asm/bitops.h:test_and_set_bit Cyclomatic Complexity 1 arch/x86/include/asm/bitops.h:fls64 Cyclomatic Complexity 1 include/linux/log2.h:__ilog2_u64 Cyclomatic Complexity 1 include/linux/list.h:INIT_LIST_HEAD Cyclomatic Complexity 1 include/linux/list.h:__list_del Cyclomatic Complexity 1 include/asm-generic/getorder.h:__get_order Cyclomatic Complexity 1 arch/x86/include/asm/paravirt.h:arch_local_save_flags Cyclomatic Complexity 1 arch/x86/include/asm/irqflags.h:arch_irqs_disabled_flags Cyclomatic Complexity 1 include/linux/spinlock.h:spinlock_check Cyclomatic Complexity 1 include/linux/spinlock.h:spin_unlock_irqrestore Cyclomatic Complexity 1 include/linux/device.h:dev_get_drvdata Cyclomatic Complexity 1 include/linux/device.h:dev_set_drvdata Cyclomatic Complexity 1 include/linux/kasan.h:kasan_kmalloc Cyclomatic Complexity 28 include/linux/slab.h:kmalloc_index Cyclomatic Complexity 1 include/linux/slab.h:kmem_cache_alloc_trace Cyclomatic Complexity 1 include/linux/slab.h:kmalloc_order_trace Cyclomatic Complexity 68 include/linux/slab.h:kmalloc_large Cyclomatic Complexity 5 include/linux/slab.h:kmalloc Cyclomatic Complexity 1 include/linux/slab.h:kzalloc Cyclomatic Complexity 1 include/linux/dma-debug.h:debug_dma_alloc_coherent Cyclomatic Complexity 1 include/linux/dma-debug.h:debug_dma_free_coherent Cyclomatic Complexity 1 arch/x86/include/asm/dma-mapping.h:get_arch_dma_ops Cyclomatic Complexity 4 include/linux/dma-mapping.h:get_dma_ops Cyclomatic Complexity 1 include/linux/usb.h:usb_get_intfdata Cyclomatic Complexity 1 include/linux/usb.h:usb_set_intfdata Cyclomatic Complexity 2 include/linux/usb.h:usb_fill_int_urb Cyclomatic Complexity 1 include/linux/usb.h:__create_pipe Cyclomatic Complexity 1 drivers/media/usb/ttusb-dec/ttusb_dec.c:dvb_filter_pes2ts_init Cyclomatic Complexity 2 drivers/media/usb/ttusb-dec/ttusb_dec.c:crc16 Cyclomatic Complexity 1 drivers/media/usb/ttusb-dec/ttusb_dec.c:ttusb_dec_audio_pes2ts_cb Cyclomatic Complexity 1 drivers/media/usb/ttusb-dec/ttusb_dec.c:ttusb_dec_video_pes2ts_cb Cyclomatic Complexity 2 drivers/media/usb/ttusb-dec/ttusb_dec.c:swap_bytes Cyclomatic Complexity 4 drivers/media/usb/ttusb-dec/ttusb_dec.c:ttusb_dec_set_model Cyclomatic Complexity 4 drivers/media/usb/ttusb-dec/ttusb_dec.c:ttusb_dec_setup_urbs Cyclomatic Complexity 2 drivers/media/usb/ttusb-dec/ttusb_dec.c:ttusb_dec_init_v_pes Cyclomatic Complexity 2 include/linux/list.h:__list_del_entry Cyclomatic Complexity 1 include/linux/list.h:list_del Cyclomatic Complexity 3 drivers/media/usb/ttusb-dec/ttusb_dec.c:ttusb_dec_exit_tasklet Cyclomatic Complexity 3 drivers/media/usb/ttusb-dec/ttusb_dec.c:ttusb_dec_exit_filters Cyclomatic Complexity 3 drivers/media/usb/ttusb-dec/ttusb_dec.c:ttusb_dec_exit_rc Cyclomatic Complexity 4 include/linux/dma-mapping.h:dma_free_attrs Cyclomatic Complexity 1 include/linux/dma-mapping.h:dma_free_coherent Cyclomatic Complexity 2 include/linux/pci-dma-compat.h:pci_free_consistent Cyclomatic Complexity 3 drivers/media/usb/ttusb-dec/ttusb_dec.c:ttusb_dec_free_iso_urbs Cyclomatic Complexity 5 drivers/media/usb/ttusb-dec/ttusb_dec.c:ttusb_dec_exit_usb Cyclomatic Complexity 4 drivers/media/usb/ttusb-dec/ttusb_dec.c:ttusb_dec_exit_dvb Cyclomatic Complexity 4 drivers/media/usb/ttusb-dec/ttusb_dec.c:ttusb_dec_disconnect Cyclomatic Complexity 12 drivers/media/usb/ttusb-dec/ttusb_dec.c:ttusb_dec_send_command Cyclomatic Complexity 1 drivers/media/usb/ttusb-dec/ttusb_dec.c:fe_send_command Cyclomatic Complexity 5 drivers/media/usb/ttusb-dec/ttusb_dec.c:ttusb_dec_stop_iso_xfer Cyclomatic Complexity 1 drivers/media/usb/ttusb-dec/ttusb_dec.c:ttusb_dec_stop_ts_feed Cyclomatic Complexity 1 drivers/media/usb/ttusb-dec/ttusb_dec.c:ttusb_dec_stop_sec_feed Cyclomatic Complexity 4 drivers/media/usb/ttusb-dec/ttusb_dec.c:ttusb_dec_stop_feed Cyclomatic Complexity 2 include/linux/usb.h:interface_to_usbdev Cyclomatic Complexity 7 drivers/media/usb/ttusb-dec/ttusb_dec.c:ttusb_dec_start_iso_xfer Cyclomatic Complexity 1 include/linux/input.h:input_report_key Cyclomatic Complexity 1 include/linux/input.h:input_sync Cyclomatic Complexity 10 drivers/media/usb/ttusb-dec/ttusb_dec.c:ttusb_dec_handle_irq Cyclomatic Complexity 3 include/linux/dma-mapping.h:dma_alloc_attrs Cyclomatic Complexity 1 include/linux/dma-mapping.h:dma_alloc_coherent Cyclomatic Complexity 1 include/linux/dma-mapping.h:dma_zalloc_coherent Cyclomatic Complexity 2 include/linux/pci-dma-compat.h:pci_zalloc_consistent Cyclomatic Complexity 6 drivers/media/usb/ttusb-dec/ttusb_dec.c:ttusb_dec_alloc_iso_urbs Cyclomatic Complexity 6 drivers/media/usb/ttusb-dec/ttusb_dec.c:ttusb_dec_init_usb Cyclomatic Complexity 2 include/linux/list.h:__list_add Cyclomatic Complexity 1 include/linux/list.h:list_add_tail Cyclomatic Complexity 2 include/linux/interrupt.h:tasklet_schedule Cyclomatic Complexity 7 drivers/media/usb/ttusb-dec/ttusb_dec.c:ttusb_dec_process_urb Cyclomatic Complexity 7 drivers/media/usb/ttusb-dec/ttusb_dec.c:ttusb_dec_get_stb_state Cyclomatic Complexity 11 drivers/media/usb/ttusb-dec/ttusb_dec.c:ttusb_dec_boot_dsp Cyclomatic Complexity 10 drivers/media/usb/ttusb-dec/ttusb_dec.c:ttusb_dec_init_stb Cyclomatic Complexity 2 drivers/media/usb/ttusb-dec/ttusb_dec.c:ttusb_dec_set_pids Cyclomatic Complexity 22 drivers/media/usb/ttusb-dec/ttusb_dec.c:ttusb_dec_start_ts_feed Cyclomatic Complexity 5 drivers/media/usb/ttusb-dec/ttusb_dec.c:ttusb_dec_start_sec_feed Cyclomatic Complexity 7 drivers/media/usb/ttusb-dec/ttusb_dec.c:ttusb_dec_start_feed Cyclomatic Complexity 7 drivers/media/usb/ttusb-dec/ttusb_dec.c:ttusb_dec_init_dvb Cyclomatic Complexity 1 drivers/media/usb/ttusb-dec/ttusb_dec.c:ttusb_dec_init_filters Cyclomatic Complexity 1 drivers/media/usb/ttusb-dec/ttusb_dec.c:ttusb_dec_init_tasklet Cyclomatic Complexity 7 drivers/media/usb/ttusb-dec/ttusb_dec.c:dvb_filter_pes2ts Cyclomatic Complexity 14 drivers/media/usb/ttusb-dec/ttusb_dec.c:ttusb_dec_process_pva Cyclomatic Complexity 5 drivers/media/usb/ttusb-dec/ttusb_dec.c:ttusb_dec_process_filter Cyclomatic Complexity 11 drivers/media/usb/ttusb-dec/ttusb_dec.c:ttusb_dec_process_packet Cyclomatic Complexity 23 drivers/media/usb/ttusb-dec/ttusb_dec.c:ttusb_dec_process_urb_frame Cyclomatic Complexity 3 drivers/media/usb/ttusb-dec/ttusb_dec.c:ttusb_dec_process_urb_frame_list Cyclomatic Complexity 7 drivers/media/usb/ttusb-dec/ttusb_dec.c:ttusb_dec_set_interface Cyclomatic Complexity 2 include/linux/usb.h:usb_make_path Cyclomatic Complexity 5 drivers/media/usb/ttusb-dec/ttusb_dec.c:ttusb_init_rc Cyclomatic Complexity 15 drivers/media/usb/ttusb-dec/ttusb_dec.c:ttusb_dec_probe Cyclomatic Complexity 1 drivers/media/usb/ttusb-dec/ttusb_dec.c:ttusb_dec_driver_init Cyclomatic Complexity 1 drivers/media/usb/ttusb-dec/ttusb_dec.c:ttusb_dec_driver_exit >> drivers/media/usb/ttusb-dec/.tmp_ttusb_dec.o: warning: objtool: ttusb_dec_process_urb_frame_list()+0x114: sibling call from callable instruction with modified stack frame
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