[linux-next:master] BUILD REGRESSION 92d00774360dfd4151f15ab9905c643347b9f242

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tree/branch: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
branch HEAD: 92d00774360dfd4151f15ab9905c643347b9f242  Add linux-next specific files for 20210810

Error/Warning reports:

https://lore.kernel.org/linux-mm/202108102035.8BzCUoGG-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'
drivers/firmware/efi/sysfb_efi.c:190:35: warning: unused variable 'efifb_dmi_system_table' [-Wunused-const-variable]
drivers/firmware/efi/sysfb_efi.c:240:35: warning: unused variable 'efifb_dmi_swap_width_height' [-Wunused-const-variable]
drivers/firmware/efi/sysfb_efi.c:331:39: warning: unused variable 'efifb_fwnode_ops' [-Wunused-const-variable]
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]
include/linux/compiler_types.h:328:38: error: call to '__compiletime_assert_332' declared with attribute error: BUILD_BUG_ON failed: !ipa_aggr_granularity_val(IPA_AGGR_GRANULARITY)
include/linux/compiler_types.h:328:38: error: call to '__compiletime_assert_333' declared with attribute error: BUILD_BUG_ON failed: ipa_aggr_granularity_val(IPA_AGGR_GRANULARITY) > field_max(AGGR_GRANULARITY_FMASK)
main.c:117:50: error: 'ret' undeclared (first use in this function)
usr/include/linux/if_ether.h:172:1: error: packed attribute is unnecessary for 'ethhdr' [-Werror=packed]

possible Error/Warning in current branch:

arch/parisc/math-emu/decode_exc.c:49:14: error: expected identifier before numeric constant
drivers/gpu/drm/nouveau/dispnv50/disp.c:1665:52: error: 'struct nouveau_connector' has no member named 'backlight'
drivers/gpu/drm/nouveau/dispnv50/disp.c:1670:28: error: dereferencing pointer to incomplete type 'struct nouveau_backlight'
drivers/gpu/drm/nouveau/dispnv50/disp.c:1670:28: error: invalid use of undefined type 'struct nouveau_backlight'
drivers/iio/adc/ingenic-adc.c:657 ingenic_adc_read_chan_info_raw() error: uninitialized symbol 'cmd'.
drivers/iio/proximity/vcnl3020.c:76:8: warning: Excessive padding in 'struct vcnl3020_data' (77 padding bytes, where 13 is optimal).
drivers/leds/flash/leds-lm3601x.c:226:3: warning: Value stored to 'ret' is never read [clang-analyzer-deadcode.DeadStores]
drivers/net/hamradio/scc.c:1748 scc_net_siocdevprivate() warn: potential spectre issue 'Ivec' [w] (local cap)
fs/btrfs/ioctl.c:2421:3: warning: Value stored to 'dirid' is never read [clang-analyzer-deadcode.DeadStores]
fs/btrfs/lzo.c:382:6: warning: Branch condition evaluates to a garbage value [clang-analyzer-core.uninitialized.Branch]
fs/btrfs/verity.c:134:4: warning: Value stored to 'ret' is never read [clang-analyzer-deadcode.DeadStores]
include/linux/printk.h:208:5: error: static declaration of '_printk' follows non-static declaration
include/linux/printk.h:380:5: error: expected '}' before '.' token
mm/hugetlb.c:2162:6: warning: variable 'page' is used uninitialized whenever 'if' condition is false [-Wsometimes-uninitialized]

Error/Warning ids grouped by kconfigs:

gcc_recent_errors
|-- 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
|-- 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
|-- arm-buildonly-randconfig-r005-20210810
|   |-- 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
|-- 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
|-- arm64-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
|-- arm64-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
|-- arm64-randconfig-r034-20210810
|   |-- drivers-gpu-drm-nouveau-dispnv50-disp.c:error:invalid-use-of-undefined-type-struct-nouveau_backlight
|   `-- drivers-gpu-drm-nouveau-dispnv50-disp.c:error:struct-nouveau_connector-has-no-member-named-backlight
|-- i386-randconfig-m021-20210811
|   `-- drivers-net-hamradio-scc.c-scc_net_siocdevprivate()-warn:potential-spectre-issue-Ivec-w-(local-cap)
|-- ia64-randconfig-r003-20210810
|   `-- include-linux-printk.h:error:static-declaration-of-_printk-follows-non-static-declaration
|-- openrisc-randconfig-m031-20210811
|   `-- drivers-iio-adc-ingenic-adc.c-ingenic_adc_read_chan_info_raw()-error:uninitialized-symbol-cmd-.
|-- parisc-allyesconfig
|   |-- arch-parisc-math-emu-decode_exc.c:error:expected-identifier-before-numeric-constant
|   `-- include-linux-printk.h:error:expected-before-.-token
|-- sparc64-randconfig-r004-20210810
|   |-- include-linux-compiler_types.h:error:call-to-__compiletime_assert_NNN-declared-with-attribute-error:BUILD_BUG_ON-failed:ipa_aggr_granularity_val(IPA_AGGR_GRANULARITY)
|   `-- include-linux-compiler_types.h:error:call-to-__compiletime_assert_NNN-declared-with-attribute-error:BUILD_BUG_ON-failed:ipa_aggr_granularity_val(IPA_AGGR_GRANULARITY)-field_max(AGGR_GRANULARITY_FMASK)
|-- x86_64-randconfig-a005-20210809
|   |-- drivers-gpu-drm-nouveau-dispnv50-disp.c:error:dereferencing-pointer-to-incomplete-type-struct-nouveau_backlight
|   `-- drivers-gpu-drm-nouveau-dispnv50-disp.c:error:struct-nouveau_connector-has-no-member-named-backlight
`-- x86_64-rhel-8.3-kselftests
    |-- 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
|-- riscv-randconfig-r022-20210810
|   `-- mm-hugetlb.c:warning:variable-page-is-used-uninitialized-whenever-if-condition-is-false
|-- x86_64-randconfig-a013-20210809
|   |-- drivers-firmware-efi-sysfb_efi.c:warning:unused-variable-efifb_dmi_swap_width_height
|   |-- drivers-firmware-efi-sysfb_efi.c:warning:unused-variable-efifb_dmi_system_table
|   `-- drivers-firmware-efi-sysfb_efi.c:warning:unused-variable-efifb_fwnode_ops
`-- x86_64-randconfig-c001-20210810
    |-- drivers-iio-proximity-vcnl3020.c:warning:Excessive-padding-in-struct-vcnl3020_data-(-padding-bytes-where-is-optimal).
    |-- drivers-leds-flash-leds-lm3601x.c:warning:Value-stored-to-ret-is-never-read-clang-analyzer-deadcode.DeadStores
    |-- fs-btrfs-ioctl.c:warning:Value-stored-to-dirid-is-never-read-clang-analyzer-deadcode.DeadStores
    |-- fs-btrfs-lzo.c:warning:Branch-condition-evaluates-to-a-garbage-value-clang-analyzer-core.uninitialized.Branch
    `-- fs-btrfs-verity.c:warning:Value-stored-to-ret-is-never-read-clang-analyzer-deadcode.DeadStores

elapsed time: 1150m

configs tested: 76
configs skipped: 3

gcc tested configs:
arm                                 defconfig
arm64                            allyesconfig
arm64                               defconfig
arm                              allyesconfig
arm                              allmodconfig
sh                               alldefconfig
mips                          malta_defconfig
powerpc                   currituck_defconfig
arm                           sunxi_defconfig
arm                        trizeps4_defconfig
ia64                             allmodconfig
ia64                                defconfig
ia64                             allyesconfig
x86_64                            allnoconfig
m68k                             allmodconfig
m68k                                defconfig
m68k                             allyesconfig
nds32                               defconfig
nios2                            allyesconfig
csky                                defconfig
alpha                               defconfig
alpha                            allyesconfig
nios2                               defconfig
arc                              allyesconfig
nds32                             allnoconfig
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-a012-20210809
i386                 randconfig-a015-20210809
i386                 randconfig-a011-20210809
i386                 randconfig-a013-20210809
i386                 randconfig-a014-20210809
i386                 randconfig-a016-20210809
x86_64               randconfig-a002-20210809
x86_64               randconfig-a004-20210809
x86_64               randconfig-a006-20210809
x86_64               randconfig-a003-20210809
x86_64               randconfig-a001-20210809
x86_64               randconfig-a005-20210809
riscv                    nommu_k210_defconfig
riscv                            allyesconfig
riscv                    nommu_virt_defconfig
riscv                             allnoconfig
riscv                               defconfig
riscv                          rv32_defconfig
riscv                            allmodconfig
um                           x86_64_defconfig
um                             i386_defconfig
x86_64                           allyesconfig
x86_64                    rhel-8.3-kselftests
x86_64                              defconfig
x86_64                               rhel-8.3
x86_64                                  kexec

clang tested configs:
x86_64               randconfig-c001-20210810
x86_64               randconfig-a016-20210809
x86_64               randconfig-a012-20210809
x86_64               randconfig-a013-20210809
x86_64               randconfig-a011-20210809
x86_64               randconfig-a014-20210809
x86_64               randconfig-a015-20210809

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




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