[linux-next:master] BUILD REGRESSION 3a928c58ca10d61051e6a2be65a81418615ef92c

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tree/branch: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
branch HEAD: 3a928c58ca10d61051e6a2be65a81418615ef92c  Add linux-next specific files for 20210802

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/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]
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:

(.text+0x660): undefined reference to `sync_file_create'
(.text+0x804): undefined reference to `_printk'
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/gpu/host1x/fence.c:168:5: warning: no previous prototype for 'host1x_fence_create_fd' [-Wmissing-prototypes]
drivers/net/ethernet/3com/3c589_cs.c:825 el3_rx() warn: '_inw(ioaddr + 8)' 65535 can't fit into 32767 'rx_status'
drivers/of/fdt.c:196:4: warning: Value stored to 'pprev' is never read [clang-analyzer-deadcode.DeadStores]
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]
include/linux/printk.h:221:5: error: static declaration of '_printk' follows non-static declaration
include/linux/printk.h:380:5: error: expected '}' before '.' token
kernel/bpf/syscall.o: warning: objtool: map_lookup_elem()+0x29f: unreachable instruction
mm/debug_vm_pgtable.o: warning: objtool: pte_advanced_tests()+0x333: unreachable instruction
net/ipv4/ip_output.o: warning: objtool: ip_generic_getfrag()+0x108: unreachable instruction
net/ipv4/raw.o: warning: objtool: raw_send_hdrinc()+0x6ae: unreachable instruction
net/ipv4/udp.o: warning: objtool: udplite_getfrag()+0x47: unreachable instruction
net/ipv6/ioam6.o: warning: objtool: ioam6_genl_dumpns()+0x355: unreachable instruction
net/ipv6/raw.o: warning: objtool: rawv6_send_hdrinc()+0x5e8: unreachable instruction
net/netlink/af_netlink.o: warning: objtool: netlink_sendmsg()+0x541: unreachable instruction
sound/pci/vx222/vx222.o: warning: objtool: snd_vx222_probe() falls through to next function snd_vx222_suspend()

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
|   `-- 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-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
|-- 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
|   `-- drivers-gpu-host1x-fence.c:warning:no-previous-prototype-for-host1x_fence_create_fd
|-- arm64-randconfig-s031-20210803
|   |-- (.text):undefined-reference-to-sync_file_create
|   `-- drivers-gpu-host1x-fence.c:warning:no-previous-prototype-for-host1x_fence_create_fd
|-- i386-randconfig-s002-20210803
|   |-- 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
|-- ia64-randconfig-p001-20210728
|   `-- include-linux-printk.h:error:static-declaration-of-_printk-follows-non-static-declaration
|-- ia64-randconfig-r021-20210803
|   |-- 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
|-- openrisc-randconfig-m031-20210803
|   `-- drivers-net-ethernet-3com-3c589_cs.c-el3_rx()-warn:_inw(ioaddr-)-can-t-fit-into-rx_status
|-- openrisc-randconfig-r006-20210803
|   `-- (.text):undefined-reference-to-_printk
|-- parisc-allyesconfig
|   |-- arch-parisc-math-emu-decode_exc.c:error:expected-identifier-before-numeric-constant
|   `-- include-linux-printk.h:error:expected-before-.-token
|-- x86_64-randconfig-p002-20210803
|   |-- 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
|-- x86_64-randconfig-s022-20210803
|   `-- drivers-gpu-drm-nouveau-dispnv50-disp.c:error:dereferencing-pointer-to-incomplete-type-struct-nouveau_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
|-- x86_64-randconfig-c001-20210803
|   |-- drivers-of-fdt.c:warning:Value-stored-to-pprev-is-never-read-clang-analyzer-deadcode.DeadStores
|   |-- fs-btrfs-compression.o:warning:objtool:btrfs_submit_compressed_read():unreachable-instruction
|   |-- fs-btrfs-inode.o:warning:objtool:btrfs_add_link():unreachable-instruction
|   |-- 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
|   |-- kernel-bpf-syscall.o:warning:objtool:map_lookup_elem():unreachable-instruction
|   |-- mm-debug_vm_pgtable.o:warning:objtool:pte_advanced_tests():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
`-- x86_64-randconfig-r023-20210803
    `-- sound-pci-vx222-vx222.o:warning:objtool:snd_vx222_probe()-falls-through-to-next-function-snd_vx222_suspend()

elapsed time: 723m

configs tested: 99
configs skipped: 3

gcc tested configs:
arm                                 defconfig
arm64                            allyesconfig
arm64                               defconfig
arm                              allyesconfig
arm                              allmodconfig
arm                          pxa3xx_defconfig
sh                           se7751_defconfig
arm                         assabet_defconfig
arm                          pxa910_defconfig
powerpc                 mpc8315_rdb_defconfig
powerpc                     powernv_defconfig
mips                         bigsur_defconfig
openrisc                 simple_smp_defconfig
arm                        spear3xx_defconfig
arc                          axs103_defconfig
arm                       mainstone_defconfig
parisc                generic-64bit_defconfig
arm                        multi_v5_defconfig
arm                            mps2_defconfig
openrisc                    or1ksim_defconfig
mips                        bcm63xx_defconfig
nds32                            alldefconfig
powerpc                  mpc866_ads_defconfig
sh                           se7722_defconfig
powerpc                     mpc83xx_defconfig
m68k                           sun3_defconfig
mips                 decstation_r4k_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
xtensa                           allyesconfig
h8300                            allyesconfig
arc                                 defconfig
sh                               allmodconfig
nios2                               defconfig
arc                              allyesconfig
nds32                             allnoconfig
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-a004-20210803
i386                 randconfig-a005-20210803
i386                 randconfig-a002-20210803
i386                 randconfig-a006-20210803
i386                 randconfig-a001-20210803
i386                 randconfig-a003-20210803
i386                 randconfig-a012-20210803
i386                 randconfig-a011-20210803
i386                 randconfig-a015-20210803
i386                 randconfig-a013-20210803
i386                 randconfig-a014-20210803
i386                 randconfig-a016-20210803
x86_64               randconfig-a002-20210803
x86_64               randconfig-a004-20210803
x86_64               randconfig-a006-20210803
x86_64               randconfig-a003-20210803
x86_64               randconfig-a001-20210803
x86_64               randconfig-a005-20210803
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-c001-20210803
x86_64               randconfig-a012-20210803
x86_64               randconfig-a016-20210803
x86_64               randconfig-a013-20210803
x86_64               randconfig-a011-20210803
x86_64               randconfig-a014-20210803
x86_64               randconfig-a015-20210803

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




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