[linux-next:master] BUILD REGRESSION 90d856e71443a2fcacca8e7539bac44d9cb3f7ab

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tree/branch: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
branch HEAD: 90d856e71443a2fcacca8e7539bac44d9cb3f7ab  Add linux-next specific files for 20210723

Error/Warning reports:

https://lore.kernel.org/linux-mm/202107021633.Jpg5O1Qt-lkp@xxxxxxxxx

Error/Warning in current branch:

../../drivers/virtio/virtio_ring.c:1277:36: error: 'head_flags' may be used uninitialized in this function [-Werror=maybe-uninitialized]
../../drivers/virtio/virtio_ring.c:578:29: error: 'prev' may be used uninitialized in this function [-Werror=maybe-uninitialized]
./linux/../../../include/linux/vringh.h:50:2: error: unknown type name 'spinlock_t'
Error: failed to link '/no_alu32/linked_funcs1.o': Unknown error -2 (-2)
Error: failed to link '/no_alu32/linked_vars1.o': Unknown error -2 (-2)
Error: failed to open BPF object file: No such file or directory
arch/arm64/include/asm/syscall_wrapper.h:76:25: warning: no previous prototype for '__arm64_sys_memfd_secret' [-Wmissing-prototypes]
arch/arm64/include/asm/syscall_wrapper.h:76:25: warning: no previous prototype for '__arm64_sys_quotactl_fd' [-Wmissing-prototypes]
arch/m68k/coldfire/device.c:586:10: fatal error: linux/can/platform/flexcan.h: No such file or directory
drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_svm.c:1162:22: warning: variable 'bo_va' set but not used [-Wunused-but-set-variable]
drivers/gpu/drm/amd/amdgpu/../display/dc/dcn303/dcn303_init.c:12:6: warning: no previous prototype for 'dcn303_hw_sequencer_construct' [-Wmissing-prototypes]
drivers/gpu/drm/amd/amdgpu/../include/asic_reg/dcn/dcn_3_0_3_sh_mask.h:7593:111: warning: initialized field overwritten [-Woverride-init]
drivers/gpu/drm/tegra/uapi.c:284:5: warning: no previous prototype for 'tegra_drm_ioctl_gem_create' [-Wmissing-prototypes]
drivers/gpu/drm/tegra/uapi.c:301:5: warning: no previous prototype for 'tegra_drm_ioctl_gem_mmap' [-Wmissing-prototypes]
fs/ksmbd/ndr.c:73:2: warning: 'strncpy' destination unchanged after copying no bytes [-Wstringop-truncation]
fs/ksmbd/ndr.c:73:2: warning: 'strncpy' output truncated before terminating nul copying as many bytes from a string as its length [-Wstringop-truncation]
main.c:117:50: error: 'ret' undeclared (first use in this function)
usr/include/linux/if_ether.h:169:1: error: packed attribute is unnecessary for 'ethhdr' [-Werror=packed]

possible Error/Warning in current branch:

drivers/gpu/drm/amd/amdgpu/../display/dc/dml/dcn31/display_mode_vba_31.c:3956:6: warning: stack frame size (2072) exceeds limit (2048) in function 'dml31_ModeSupportAndSystemConfigurationFull' [-Wframe-larger-than]
drivers/gpu/drm/nouveau/dispnv50/disp.c:1670:28: error: invalid use of undefined type 'struct nouveau_backlight'
drivers/gpu/host1x/fence.c:168:5: warning: no previous prototype for 'host1x_fence_create_fd' [-Wmissing-prototypes]
net/9p/client.o: warning: objtool: p9_client_zc_rpc()+0x91f: unreachable instruction
net/ipv4/ip_output.o: warning: objtool: ip_generic_getfrag()+0x16c: unreachable instruction
net/ipv4/raw.o: warning: objtool: raw_send_hdrinc()+0x83c: unreachable instruction
net/ipv4/udp.o: warning: objtool: udplite_getfrag()+0x72: unreachable instruction
net/ipv6/raw.o: warning: objtool: rawv6_send_hdrinc()+0x88b: unreachable instruction
net/netlink/af_netlink.o: warning: objtool: netlink_sendmsg()+0x75d: unreachable instruction
setup.c:(.init.text+0x14b8): undefined reference to `plat_swiotlb_setup'

Error/Warning ids grouped by kconfigs:

gcc_recent_errors
|-- alpha-allyesconfig
|   |-- fs-ksmbd-ndr.c:warning:strncpy-destination-unchanged-after-copying-no-bytes
|   `-- fs-ksmbd-ndr.c:warning:strncpy-output-truncated-before-terminating-nul-copying-as-many-bytes-from-a-string-as-its-length
|-- alpha-randconfig-r033-20210723
|   `-- drivers-gpu-drm-nouveau-dispnv50-disp.c:error:invalid-use-of-undefined-type-struct-nouveau_backlight
|-- arm-allmodconfig
|   |-- drivers-gpu-drm-tegra-uapi.c:warning:no-previous-prototype-for-tegra_drm_ioctl_gem_create
|   |-- drivers-gpu-drm-tegra-uapi.c:warning:no-previous-prototype-for-tegra_drm_ioctl_gem_mmap
|   `-- drivers-gpu-host1x-fence.c:warning:no-previous-prototype-for-host1x_fence_create_fd
|-- arm-allyesconfig
|   |-- drivers-gpu-drm-tegra-uapi.c:warning:no-previous-prototype-for-tegra_drm_ioctl_gem_create
|   |-- drivers-gpu-drm-tegra-uapi.c:warning:no-previous-prototype-for-tegra_drm_ioctl_gem_mmap
|   `-- drivers-gpu-host1x-fence.c:warning:no-previous-prototype-for-host1x_fence_create_fd
|-- arm-defconfig
|   |-- drivers-gpu-drm-tegra-uapi.c:warning:no-previous-prototype-for-tegra_drm_ioctl_gem_create
|   |-- drivers-gpu-drm-tegra-uapi.c:warning:no-previous-prototype-for-tegra_drm_ioctl_gem_mmap
|   `-- drivers-gpu-host1x-fence.c:warning:no-previous-prototype-for-host1x_fence_create_fd
|-- arm64-allmodconfig
|   |-- arch-arm64-include-asm-syscall_wrapper.h:warning:no-previous-prototype-for-__arm64_sys_memfd_secret
|   |-- arch-arm64-include-asm-syscall_wrapper.h:warning:no-previous-prototype-for-__arm64_sys_quotactl_fd
|   |-- drivers-gpu-drm-amd-amdgpu-..-amdkfd-kfd_svm.c:warning:variable-bo_va-set-but-not-used
|   |-- drivers-gpu-drm-tegra-uapi.c:warning:no-previous-prototype-for-tegra_drm_ioctl_gem_create
|   |-- drivers-gpu-drm-tegra-uapi.c:warning:no-previous-prototype-for-tegra_drm_ioctl_gem_mmap
|   `-- drivers-gpu-host1x-fence.c:warning:no-previous-prototype-for-host1x_fence_create_fd
|-- arm64-allyesconfig
|   |-- arch-arm64-include-asm-syscall_wrapper.h:warning:no-previous-prototype-for-__arm64_sys_memfd_secret
|   |-- arch-arm64-include-asm-syscall_wrapper.h:warning:no-previous-prototype-for-__arm64_sys_quotactl_fd
|   |-- drivers-gpu-drm-amd-amdgpu-..-amdkfd-kfd_svm.c:warning:variable-bo_va-set-but-not-used
|   |-- drivers-gpu-drm-tegra-uapi.c:warning:no-previous-prototype-for-tegra_drm_ioctl_gem_create
|   |-- drivers-gpu-drm-tegra-uapi.c:warning:no-previous-prototype-for-tegra_drm_ioctl_gem_mmap
|   `-- drivers-gpu-host1x-fence.c:warning:no-previous-prototype-for-host1x_fence_create_fd
|-- arm64-defconfig
|   |-- arch-arm64-include-asm-syscall_wrapper.h:warning:no-previous-prototype-for-__arm64_sys_memfd_secret
|   |-- arch-arm64-include-asm-syscall_wrapper.h:warning:no-previous-prototype-for-__arm64_sys_quotactl_fd
|   |-- drivers-gpu-drm-tegra-uapi.c:warning:no-previous-prototype-for-tegra_drm_ioctl_gem_create
|   |-- drivers-gpu-drm-tegra-uapi.c:warning:no-previous-prototype-for-tegra_drm_ioctl_gem_mmap
|   `-- drivers-gpu-host1x-fence.c:warning:no-previous-prototype-for-host1x_fence_create_fd
|-- i386-allyesconfig
|   |-- drivers-gpu-drm-amd-amdgpu-..-display-dc-dcn303-dcn303_init.c:warning:no-previous-prototype-for-dcn303_hw_sequencer_construct
|   `-- drivers-gpu-drm-amd-amdgpu-..-include-asic_reg-dcn-dcn_3_0_3_sh_mask.h:warning:initialized-field-overwritten
|-- i386-randconfig-a003-20210723
|   `-- drivers-gpu-drm-nouveau-dispnv50-disp.c:error:invalid-use-of-undefined-type-struct-nouveau_backlight
|-- ia64-allmodconfig
|   |-- fs-ksmbd-ndr.c:warning:strncpy-destination-unchanged-after-copying-no-bytes
|   `-- fs-ksmbd-ndr.c:warning:strncpy-output-truncated-before-terminating-nul-copying-as-many-bytes-from-a-string-as-its-length
|-- ia64-allyesconfig
|   |-- fs-ksmbd-ndr.c:warning:strncpy-destination-unchanged-after-copying-no-bytes
|   `-- fs-ksmbd-ndr.c:warning:strncpy-output-truncated-before-terminating-nul-copying-as-many-bytes-from-a-string-as-its-length
|-- m68k-buildonly-randconfig-r004-20210723
|   `-- arch-m68k-coldfire-device.c:fatal-error:linux-can-platform-flexcan.h:No-such-file-or-directory
|-- mips-allmodconfig
|   `-- setup.c:(.init.text):undefined-reference-to-plat_swiotlb_setup
|-- mips-allyesconfig
|   `-- setup.c:(.init.text):undefined-reference-to-plat_swiotlb_setup
|-- nds32-allyesconfig
|   |-- fs-ksmbd-ndr.c:warning:strncpy-destination-unchanged-after-copying-no-bytes
|   `-- fs-ksmbd-ndr.c:warning:strncpy-output-truncated-before-terminating-nul-copying-as-many-bytes-from-a-string-as-its-length
|-- parisc-allmodconfig
|   |-- fs-ksmbd-ndr.c:warning:strncpy-destination-unchanged-after-copying-no-bytes
|   `-- fs-ksmbd-ndr.c:warning:strncpy-output-truncated-before-terminating-nul-copying-as-many-bytes-from-a-string-as-its-length
|-- parisc-allyesconfig
|   |-- fs-ksmbd-ndr.c:warning:strncpy-destination-unchanged-after-copying-no-bytes
|   `-- fs-ksmbd-ndr.c:warning:strncpy-output-truncated-before-terminating-nul-copying-as-many-bytes-from-a-string-as-its-length
|-- parisc-randconfig-r035-20210723
|   `-- drivers-gpu-drm-nouveau-dispnv50-disp.c:error:invalid-use-of-undefined-type-struct-nouveau_backlight
|-- powerpc-allmodconfig
|   `-- drivers-gpu-drm-amd-amdgpu-..-amdkfd-kfd_svm.c:warning:variable-bo_va-set-but-not-used
|-- powerpc-allyesconfig
|   `-- drivers-gpu-drm-amd-amdgpu-..-amdkfd-kfd_svm.c:warning:variable-bo_va-set-but-not-used
|-- sparc-allyesconfig
|   |-- fs-ksmbd-ndr.c:warning:strncpy-destination-unchanged-after-copying-no-bytes
|   `-- fs-ksmbd-ndr.c:warning:strncpy-output-truncated-before-terminating-nul-copying-as-many-bytes-from-a-string-as-its-length
|-- x86_64-allyesconfig
|   `-- drivers-gpu-drm-amd-amdgpu-..-amdkfd-kfd_svm.c:warning:variable-bo_va-set-but-not-used
`-- x86_64-rhel-8.3-kselftests
    |-- Error:failed-to-link-no_alu32-linked_funcs1.o:Unknown-error
    |-- Error:failed-to-link-no_alu32-linked_vars1.o:Unknown-error
    |-- Error:failed-to-open-BPF-object-file:No-such-file-or-directory
    |-- drivers-virtio-virtio_ring.c:error:head_flags-may-be-used-uninitialized-in-this-function
    |-- drivers-virtio-virtio_ring.c:error:prev-may-be-used-uninitialized-in-this-function
    |-- linux-..-..-..-include-linux-vringh.h:error:unknown-type-name-spinlock_t
    |-- main.c:error:ret-undeclared-(first-use-in-this-function)
    `-- usr-include-linux-if_ether.h:error:packed-attribute-is-unnecessary-for-ethhdr

clang_recent_errors
|-- x86_64-randconfig-a006-20210723
|   `-- drivers-gpu-drm-amd-amdgpu-..-display-dc-dml-dcn31-display_mode_vba_31.c:warning:stack-frame-size-()-exceeds-limit-()-in-function-dml31_ModeSupportAndSystemConfigurationFull
|-- x86_64-randconfig-b001-20210723
`-- x86_64-randconfig-r004-20210723
    |-- net-9p-client.o:warning:objtool:p9_client_zc_rpc():unreachable-instruction
    |-- net-ipv4-ip_output.o:warning:objtool:ip_generic_getfrag():unreachable-instruction
    |-- net-ipv4-raw.o:warning:objtool:raw_send_hdrinc():unreachable-instruction
    |-- net-ipv4-udp.o:warning:objtool:udplite_getfrag():unreachable-instruction
    |-- net-ipv6-ioam6.o:warning:objtool:ioam6_genl_dumpns():unreachable-instruction
    |-- net-ipv6-raw.o:warning:objtool:rawv6_send_hdrinc():unreachable-instruction
    |-- net-netlink-af_netlink.o:warning:objtool:netlink_sendmsg():unreachable-instruction
    `-- sound-core-memalloc.o:warning:objtool:snd_devm_alloc_pages():unreachable-instruction

elapsed time: 907m

configs tested: 99
configs skipped: 3

gcc tested configs:
arm                                 defconfig
arm64                            allyesconfig
arm64                               defconfig
arm                              allyesconfig
arm                              allmodconfig
i386                 randconfig-c001-20210723
um                           x86_64_defconfig
riscv                            allyesconfig
sh                          polaris_defconfig
powerpc                    socrates_defconfig
mips                          rm200_defconfig
powerpc                      bamboo_defconfig
sh                        sh7785lcr_defconfig
powerpc                         ps3_defconfig
m68k                       m5208evb_defconfig
sh                         microdev_defconfig
powerpc                      cm5200_defconfig
arm                          pxa910_defconfig
arm                         axm55xx_defconfig
mips                     loongson2k_defconfig
sh                          sdk7780_defconfig
powerpc                 mpc8560_ads_defconfig
arm                            xcep_defconfig
ia64                            zx1_defconfig
powerpc                      pcm030_defconfig
arm                     eseries_pxa_defconfig
sh                        dreamcast_defconfig
powerpc                     mpc512x_defconfig
ia64                             allmodconfig
ia64                                defconfig
ia64                             allyesconfig
x86_64                            allnoconfig
m68k                             allmodconfig
m68k                                defconfig
m68k                             allyesconfig
nios2                               defconfig
arc                              allyesconfig
nds32                             allnoconfig
nds32                               defconfig
nios2                            allyesconfig
csky                                defconfig
alpha                               defconfig
alpha                            allyesconfig
xtensa                           allyesconfig
h8300                            allyesconfig
arc                                 defconfig
sh                               allmodconfig
parisc                              defconfig
s390                             allyesconfig
s390                             allmodconfig
parisc                           allyesconfig
s390                                defconfig
i386                             allyesconfig
sparc                            allyesconfig
sparc                               defconfig
i386                                defconfig
mips                             allyesconfig
mips                             allmodconfig
powerpc                          allyesconfig
powerpc                          allmodconfig
powerpc                           allnoconfig
i386                 randconfig-a005-20210723
i386                 randconfig-a003-20210723
i386                 randconfig-a004-20210723
i386                 randconfig-a002-20210723
i386                 randconfig-a001-20210723
i386                 randconfig-a006-20210723
x86_64               randconfig-a011-20210723
x86_64               randconfig-a016-20210723
x86_64               randconfig-a013-20210723
x86_64               randconfig-a014-20210723
x86_64               randconfig-a012-20210723
x86_64               randconfig-a015-20210723
i386                 randconfig-a016-20210723
i386                 randconfig-a013-20210723
i386                 randconfig-a012-20210723
i386                 randconfig-a011-20210723
i386                 randconfig-a014-20210723
i386                 randconfig-a015-20210723
riscv                    nommu_k210_defconfig
riscv                    nommu_virt_defconfig
riscv                             allnoconfig
riscv                               defconfig
riscv                          rv32_defconfig
riscv                            allmodconfig
x86_64                    rhel-8.3-kselftests
um                             i386_defconfig
x86_64                           allyesconfig
x86_64                              defconfig
x86_64                               rhel-8.3
x86_64                                  kexec

clang tested configs:
x86_64               randconfig-c001-20210723
x86_64               randconfig-b001-20210723
x86_64               randconfig-a003-20210723
x86_64               randconfig-a006-20210723
x86_64               randconfig-a001-20210723
x86_64               randconfig-a005-20210723
x86_64               randconfig-a004-20210723
x86_64               randconfig-a002-20210723

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx




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