fyi, drivers/gpu/drm/amd/amdgpu has a 32-bit glitch.

Begin forwarded message:

Date: Tue, 28 Oct 2025 00:22:27 +0800
From: kernel test robot <[email protected]>
To: Andrew Morton <[email protected]>
Cc: Linux Memory Management List <[email protected]>
Subject: [linux-next:master] BUILD REGRESSION 
8fec172c82c2b5f6f8e47ab837c1dc91ee3d1b87


tree/branch: 
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
branch HEAD: 8fec172c82c2b5f6f8e47ab837c1dc91ee3d1b87  Add linux-next specific 
files for 20251027

Error/Warning (recently discovered and may have been fixed):

    https://lore.kernel.org/oe-kbuild-all/[email protected]
    https://lore.kernel.org/oe-kbuild-all/[email protected]
    https://lore.kernel.org/oe-kbuild-all/[email protected]
    https://lore.kernel.org/oe-kbuild-all/[email protected]
    https://lore.kernel.org/oe-kbuild-all/[email protected]
    https://lore.kernel.org/oe-kbuild/[email protected]
    https://lore.kernel.org/oe-kbuild/[email protected]
    https://lore.kernel.org/oe-kbuild/[email protected]
    https://lore.kernel.org/oe-kbuild/[email protected]
    https://lore.kernel.org/oe-kbuild/[email protected]
    https://lore.kernel.org/oe-kbuild/[email protected]
    https://lore.kernel.org/oe-kbuild/[email protected]
    https://lore.kernel.org/oe-kbuild/[email protected]
    https://lore.kernel.org/oe-kbuild/[email protected]

    ERROR: modpost: "__aeabi_uldivmod" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] 
undefined!
    ERROR: modpost: "__udivdi3" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] 
undefined!
    include/linux/device/devres.h:59:(.text.unlikely+0xa3): undefined reference 
to `codec_info_list'
    ld: sound/soc/sof/intel/hda.c:1172:(.text.unlikely+0xca): undefined 
reference to `asoc_sdw_get_codec_info_list_count'
    ld: sound/soc/sof/intel/hda.c:1184:(.text.unlikely+0xf1): undefined 
reference to `codec_info_list'
    sound/soc/sof/intel/hda.c:1179:(.text.unlikely+0x95): undefined reference 
to `codec_info_list'

Unverified Error/Warning (likely false positive, kindly check if interested):

    drivers/gpu/drm/amd/amdgpu/../ras/rascore/ras_core.c:512 
ras_core_get_utc_second_timestamp() error: we previously assumed 'ras_core' 
could be null (see line 508)
    drivers/gpu/drm/amd/amdgpu/../ras/rascore/ras_core.c:531 
ras_core_ras_interrupt_detected() error: we previously assumed 'ras_core' could 
be null (see line 527)
    drivers/gpu/drm/amd/amdgpu/../ras/rascore/ras_umc.c:210 
ras_umc_log_pending_bad_bank() warn: variable dereferenced before check 
'ecc_node' (see line 208)
    drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c:1002 amdgpu_cs_parser_bos() warn: 
inconsistent returns '&p->bo_list->bo_list_mutex'.
    drivers/gpu/drm/vkms/vkms_configfs.c:223 make_crtc_group() error: 
dereferencing freed memory 'crtc' (line 222)
    drivers/gpu/drm/vkms/vkms_configfs.c:377 make_plane_group() error: 
dereferencing freed memory 'plane' (line 376)
    drivers/gpu/drm/vkms/vkms_configfs.c:491 make_encoder_group() error: 
dereferencing freed memory 'encoder' (line 490)
    drivers/gpu/drm/vkms/vkms_configfs.c:656 make_connector_group() error: 
dereferencing freed memory 'connector' (line 655)
    drivers/gpu/drm/vkms/vkms_configfs.c:770 make_device_group() error: 
dereferencing freed memory 'dev' (line 769)
    drivers/gpu/drm/xe/xe_pmu.c:517 set_supported_events() error: uninitialized 
symbol 'gt'.
    drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c:684 
stmmac_mdio_register() error: buffer overflow 'new_bus->irq' 32 <= 32
    mm/userfaultfd.c:858 mfill_atomic() warn: inconsistent returns 
'&ctx->map_changing_lock'.

Error/Warning ids grouped by kconfigs:

recent_errors
|-- arm-randconfig-002-20251027
|   `-- ERROR:__aeabi_uldivmod-drivers-gpu-drm-amd-amdgpu-amdgpu.ko-undefined
|-- i386-randconfig-015-20251027
|   |-- 
include-linux-device-devres.h:(.text.unlikely):undefined-reference-to-codec_info_list
|   |-- 
ld:sound-soc-sof-intel-hda.c:(.text.unlikely):undefined-reference-to-asoc_sdw_get_codec_info_list_count
|   |-- 
ld:sound-soc-sof-intel-hda.c:(.text.unlikely):undefined-reference-to-codec_info_list
|   `-- 
sound-soc-sof-intel-hda.c:(.text.unlikely):undefined-reference-to-codec_info_list
|-- i386-randconfig-141-20251027
|   |-- 
drivers-gpu-drm-amd-amdgpu-..-ras-rascore-ras_core.c-ras_core_get_utc_second_timestamp()-error:we-previously-assumed-ras_core-could-be-null-(see-line-)
|   |-- 
drivers-gpu-drm-amd-amdgpu-..-ras-rascore-ras_core.c-ras_core_ras_interrupt_detected()-error:we-previously-assumed-ras_core-could-be-null-(see-line-)
|   |-- 
drivers-gpu-drm-amd-amdgpu-..-ras-rascore-ras_umc.c-ras_umc_log_pending_bad_bank()-warn:variable-dereferenced-before-check-ecc_node-(see-line-)
|   |-- 
drivers-gpu-drm-amd-amdgpu-amdgpu_cs.c-amdgpu_cs_parser_bos()-warn:inconsistent-returns-p-bo_list-bo_list_mutex-.
|   |-- 
drivers-gpu-drm-amd-amdgpu-amdgpu_virt.c-amdgpu_virt_init_critical_region()-warn:unsigned-init_hdr_offset-is-never-less-than-zero.
|   |-- 
drivers-gpu-drm-vkms-vkms_configfs.c-make_connector_group()-error:dereferencing-freed-memory-connector-(line-)
|   |-- 
drivers-gpu-drm-vkms-vkms_configfs.c-make_crtc_group()-error:dereferencing-freed-memory-crtc-(line-)
|   |-- 
drivers-gpu-drm-vkms-vkms_configfs.c-make_device_group()-error:dereferencing-freed-memory-dev-(line-)
|   |-- 
drivers-gpu-drm-vkms-vkms_configfs.c-make_encoder_group()-error:dereferencing-freed-memory-encoder-(line-)
|   |-- 
drivers-gpu-drm-vkms-vkms_configfs.c-make_plane_group()-error:dereferencing-freed-memory-plane-(line-)
|   |-- 
drivers-gpu-drm-xe-xe_pmu.c-set_supported_events()-error:uninitialized-symbol-gt-.
|   `-- 
mm-userfaultfd.c-mfill_atomic()-warn:inconsistent-returns-ctx-map_changing_lock-.
|-- microblaze-allmodconfig
|   `-- ERROR:__udivdi3-drivers-gpu-drm-amd-amdgpu-amdgpu.ko-undefined
|-- parisc-allmodconfig
|   `-- ERROR:__udivdi3-drivers-gpu-drm-amd-amdgpu-amdgpu.ko-undefined
|-- um-randconfig-001-20251027
|   `-- 
clang:error:linker-command-failed-with-exit-code-(use-v-to-see-invocation)
|-- um-randconfig-r073-20251025
|   `-- 
drivers-net-ethernet-stmicro-stmmac-stmmac_mdio.c-stmmac_mdio_register()-error:buffer-overflow-new_bus-irq
`-- x86_64-randconfig-161-20251027
    |-- 
drivers-gpu-drm-vkms-vkms_configfs.c-make_connector_group()-error:dereferencing-freed-memory-connector-(line-)
    |-- 
drivers-gpu-drm-vkms-vkms_configfs.c-make_crtc_group()-error:dereferencing-freed-memory-crtc-(line-)
    |-- 
drivers-gpu-drm-vkms-vkms_configfs.c-make_device_group()-error:dereferencing-freed-memory-dev-(line-)
    |-- 
drivers-gpu-drm-vkms-vkms_configfs.c-make_encoder_group()-error:dereferencing-freed-memory-encoder-(line-)
    `-- 
drivers-gpu-drm-vkms-vkms_configfs.c-make_plane_group()-error:dereferencing-freed-memory-plane-(line-)

elapsed time: 728m

configs tested: 139
configs skipped: 4

tested configs:
alpha                             allnoconfig    gcc-15.1.0
alpha                            allyesconfig    gcc-15.1.0
alpha                               defconfig    gcc-15.1.0
arc                              allmodconfig    gcc-15.1.0
arc                               allnoconfig    gcc-15.1.0
arc                              allyesconfig    gcc-15.1.0
arc                                 defconfig    gcc-15.1.0
arc                   randconfig-001-20251027    gcc-8.5.0
arc                   randconfig-002-20251027    gcc-8.5.0
arm                              allmodconfig    gcc-15.1.0
arm                               allnoconfig    clang-22
arm                              allyesconfig    gcc-15.1.0
arm                                 defconfig    clang-22
arm                   randconfig-001-20251027    clang-22
arm                   randconfig-002-20251027    clang-22
arm                   randconfig-003-20251027    gcc-8.5.0
arm                   randconfig-004-20251027    clang-22
arm64                            allmodconfig    clang-19
arm64                             allnoconfig    gcc-15.1.0
arm64                               defconfig    gcc-15.1.0
arm64                 randconfig-001-20251027    clang-22
arm64                 randconfig-002-20251027    gcc-12.5.0
arm64                 randconfig-003-20251027    gcc-9.5.0
arm64                 randconfig-004-20251027    clang-22
csky                              allnoconfig    gcc-15.1.0
csky                                defconfig    gcc-15.1.0
csky                  randconfig-001-20251027    gcc-14.3.0
csky                  randconfig-002-20251027    gcc-13.4.0
hexagon                          allmodconfig    clang-17
hexagon                           allnoconfig    clang-22
hexagon                          allyesconfig    clang-22
hexagon                             defconfig    clang-22
hexagon               randconfig-001-20251027    clang-22
hexagon               randconfig-002-20251027    clang-17
i386                             allmodconfig    gcc-14
i386                              allnoconfig    gcc-14
i386                             allyesconfig    gcc-14
i386        buildonly-randconfig-001-20251027    gcc-13
i386        buildonly-randconfig-002-20251027    clang-20
i386        buildonly-randconfig-003-20251027    clang-20
i386        buildonly-randconfig-004-20251027    gcc-14
i386        buildonly-randconfig-005-20251027    clang-20
i386        buildonly-randconfig-006-20251027    clang-20
i386                                defconfig    clang-20
loongarch                        allmodconfig    clang-19
loongarch                         allnoconfig    clang-22
loongarch                           defconfig    clang-19
loongarch             randconfig-001-20251027    gcc-15.1.0
loongarch             randconfig-002-20251027    gcc-13.4.0
m68k                             allmodconfig    gcc-15.1.0
m68k                              allnoconfig    gcc-15.1.0
m68k                             allyesconfig    gcc-15.1.0
m68k                                defconfig    gcc-15.1.0
m68k                          hp300_defconfig    gcc-15.1.0
m68k                            mac_defconfig    gcc-15.1.0
microblaze                       allmodconfig    gcc-15.1.0
microblaze                        allnoconfig    gcc-15.1.0
microblaze                       allyesconfig    gcc-15.1.0
microblaze                          defconfig    gcc-15.1.0
mips                              allnoconfig    gcc-15.1.0
mips                         db1xxx_defconfig    clang-22
nios2                             allnoconfig    gcc-11.5.0
nios2                               defconfig    gcc-11.5.0
nios2                 randconfig-001-20251027    gcc-8.5.0
nios2                 randconfig-002-20251027    gcc-8.5.0
openrisc                          allnoconfig    gcc-15.1.0
openrisc                         allyesconfig    gcc-15.1.0
openrisc                            defconfig    gcc-15.1.0
parisc                           allmodconfig    gcc-15.1.0
parisc                            allnoconfig    gcc-15.1.0
parisc                           allyesconfig    gcc-15.1.0
parisc                              defconfig    gcc-15.1.0
parisc                randconfig-001-20251027    gcc-8.5.0
parisc                randconfig-002-20251027    gcc-12.5.0
parisc64                            defconfig    gcc-15.1.0
powerpc                          allmodconfig    gcc-15.1.0
powerpc                           allnoconfig    gcc-15.1.0
powerpc                          allyesconfig    clang-22
powerpc                      pcm030_defconfig    clang-22
powerpc               randconfig-001-20251027    clang-22
powerpc               randconfig-002-20251027    clang-22
powerpc               randconfig-003-20251027    gcc-8.5.0
powerpc64             randconfig-001-20251027    gcc-8.5.0
powerpc64             randconfig-002-20251027    gcc-10.5.0
powerpc64             randconfig-003-20251027    gcc-10.5.0
riscv                            allmodconfig    clang-22
riscv                             allnoconfig    gcc-15.1.0
riscv                            allyesconfig    clang-16
riscv                               defconfig    clang-22
riscv                 randconfig-001-20251027    gcc-13.4.0
riscv                 randconfig-002-20251027    clang-22
s390                             allmodconfig    clang-18
s390                              allnoconfig    clang-22
s390                             allyesconfig    gcc-15.1.0
s390                                defconfig    clang-22
s390                  randconfig-001-20251027    clang-22
s390                  randconfig-002-20251027    gcc-8.5.0
sh                               allmodconfig    gcc-15.1.0
sh                                allnoconfig    gcc-15.1.0
sh                               allyesconfig    gcc-15.1.0
sh                                  defconfig    gcc-15.1.0
sh                               j2_defconfig    gcc-15.1.0
sh                    randconfig-001-20251027    gcc-12.5.0
sh                    randconfig-002-20251027    gcc-15.1.0
sh                        sh7757lcr_defconfig    gcc-15.1.0
sh                            shmin_defconfig    gcc-15.1.0
sparc                            allmodconfig    gcc-15.1.0
sparc                             allnoconfig    gcc-15.1.0
sparc                               defconfig    gcc-15.1.0
sparc                 randconfig-001-20251027    gcc-12.5.0
sparc                 randconfig-002-20251027    gcc-8.5.0
sparc64                             defconfig    clang-20
sparc64               randconfig-001-20251027    gcc-14.3.0
sparc64               randconfig-002-20251027    gcc-15.1.0
um                               allmodconfig    clang-19
um                                allnoconfig    clang-22
um                               allyesconfig    gcc-14
um                                  defconfig    clang-22
um                             i386_defconfig    gcc-14
um                    randconfig-001-20251027    clang-22
um                    randconfig-002-20251027    clang-22
um                           x86_64_defconfig    clang-22
x86_64                            allnoconfig    clang-20
x86_64                           allyesconfig    clang-20
x86_64      buildonly-randconfig-001-20251027    gcc-14
x86_64      buildonly-randconfig-002-20251027    gcc-14
x86_64      buildonly-randconfig-003-20251027    gcc-14
x86_64      buildonly-randconfig-004-20251027    gcc-14
x86_64      buildonly-randconfig-005-20251027    gcc-14
x86_64      buildonly-randconfig-006-20251027    gcc-14
x86_64                              defconfig    gcc-14
x86_64                                  kexec    clang-20
x86_64                               rhel-9.4    gcc-14
x86_64                          rhel-9.4-func    gcc-14
x86_64                    rhel-9.4-kselftests    gcc-14
x86_64                          rhel-9.4-rust    clang-20
xtensa                            allnoconfig    gcc-15.1.0
xtensa                randconfig-001-20251027    gcc-12.5.0
xtensa                randconfig-002-20251027    gcc-10.5.0

--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

Reply via email to