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Message-ID: <202506071707.qcXI9GGS-lkp@intel.com>
Date: Sat, 07 Jun 2025 17:43:19 +0800
From: kernel test robot <lkp@...el.com>
To: "Gustavo A. R. Silva" <gustavoars@...nel.org>
Cc: LKML <linux-kernel@...r.kernel.org>
Subject: [gustavoars:testing/wfamnae-next20250606] BUILD REGRESSION
 2aebeb5c325881159c6896f61fa4b16f2af46067

tree/branch: https://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux.git testing/wfamnae-next20250606
branch HEAD: 2aebeb5c325881159c6896f61fa4b16f2af46067  cgroup: Avoid -Wflex-array-member-not-at-end warnings

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

    https://lore.kernel.org/oe-kbuild-all/202506070954.D6Eg0juq-lkp@intel.com

    kernel/sched/ext.c:3748:24: error: returning 'struct cgroup_hdr *' from a function with incompatible return type 'struct cgroup *' [-Werror=incompatible-pointer-types]
    kernel/sched/ext.c:7445:31: error: initialization of 'struct cgroup *' from incompatible pointer type 'struct cgroup_hdr *' [-Werror=incompatible-pointer-types]

Error/Warning ids grouped by kconfigs:

recent_errors
`-- x86_64-buildonly-randconfig-006-20250607
    |-- kernel-sched-ext.c:error:initialization-of-struct-cgroup-from-incompatible-pointer-type-struct-cgroup_hdr
    `-- kernel-sched-ext.c:error:returning-struct-cgroup_hdr-from-a-function-with-incompatible-return-type-struct-cgroup

elapsed time: 729m

configs tested: 122
configs skipped: 1

tested configs:
alpha                             allnoconfig    gcc-15.1.0
alpha                            allyesconfig    gcc-15.1.0
arc                              allmodconfig    gcc-15.1.0
arc                               allnoconfig    gcc-15.1.0
arc                              allyesconfig    gcc-15.1.0
arc                        nsim_700_defconfig    gcc-15.1.0
arc                 nsimosci_hs_smp_defconfig    gcc-15.1.0
arc                   randconfig-001-20250607    gcc-15.1.0
arc                   randconfig-002-20250607    gcc-15.1.0
arm                              allmodconfig    gcc-15.1.0
arm                               allnoconfig    clang-21
arm                              allyesconfig    gcc-15.1.0
arm                         bcm2835_defconfig    clang-21
arm                       netwinder_defconfig    gcc-15.1.0
arm                   randconfig-001-20250607    clang-21
arm                   randconfig-002-20250607    gcc-13.3.0
arm                   randconfig-003-20250607    gcc-15.1.0
arm                   randconfig-004-20250607    gcc-14.3.0
arm                        spear3xx_defconfig    clang-17
arm64                            allmodconfig    clang-19
arm64                             allnoconfig    gcc-15.1.0
arm64                 randconfig-001-20250607    clang-21
arm64                 randconfig-002-20250607    clang-21
arm64                 randconfig-003-20250607    clang-21
arm64                 randconfig-004-20250607    clang-21
csky                              allnoconfig    gcc-15.1.0
csky                  randconfig-001-20250607    gcc-12.4.0
csky                  randconfig-002-20250607    gcc-9.3.0
hexagon                          allmodconfig    clang-17
hexagon                           allnoconfig    clang-21
hexagon                          allyesconfig    clang-21
hexagon               randconfig-001-20250607    clang-21
hexagon               randconfig-002-20250607    clang-21
i386                             allmodconfig    gcc-12
i386                              allnoconfig    gcc-12
i386                             allyesconfig    gcc-12
i386        buildonly-randconfig-001-20250607    clang-20
i386        buildonly-randconfig-002-20250607    gcc-12
i386        buildonly-randconfig-003-20250607    gcc-12
i386        buildonly-randconfig-004-20250607    gcc-12
i386        buildonly-randconfig-005-20250607    clang-20
i386        buildonly-randconfig-006-20250607    clang-20
i386                                defconfig    clang-20
loongarch                        allmodconfig    gcc-15.1.0
loongarch                         allnoconfig    gcc-15.1.0
loongarch             randconfig-001-20250607    gcc-13.3.0
loongarch             randconfig-002-20250607    gcc-15.1.0
m68k                             allmodconfig    gcc-15.1.0
m68k                              allnoconfig    gcc-15.1.0
m68k                             allyesconfig    gcc-15.1.0
microblaze                       allmodconfig    gcc-15.1.0
microblaze                        allnoconfig    gcc-15.1.0
microblaze                       allyesconfig    gcc-15.1.0
mips                              allnoconfig    gcc-15.1.0
nios2                             allnoconfig    gcc-14.2.0
nios2                 randconfig-001-20250607    gcc-10.5.0
nios2                 randconfig-002-20250607    gcc-8.5.0
openrisc                          allnoconfig    gcc-15.1.0
openrisc                         allyesconfig    gcc-15.1.0
parisc                           allmodconfig    gcc-15.1.0
parisc                            allnoconfig    gcc-15.1.0
parisc                           allyesconfig    gcc-15.1.0
parisc                randconfig-001-20250607    gcc-12.4.0
parisc                randconfig-002-20250607    gcc-12.4.0
powerpc                          allmodconfig    gcc-15.1.0
powerpc                           allnoconfig    gcc-15.1.0
powerpc                          allyesconfig    clang-21
powerpc                   bluestone_defconfig    clang-21
powerpc                       eiger_defconfig    clang-21
powerpc               randconfig-001-20250607    gcc-10.5.0
powerpc               randconfig-002-20250607    clang-21
powerpc               randconfig-003-20250607    clang-21
powerpc                    socrates_defconfig    gcc-15.1.0
powerpc64             randconfig-001-20250607    clang-19
powerpc64             randconfig-002-20250607    clang-21
powerpc64             randconfig-003-20250607    gcc-8.5.0
riscv                            allmodconfig    clang-21
riscv                             allnoconfig    gcc-15.1.0
riscv                            allyesconfig    clang-16
riscv                 randconfig-001-20250607    clang-21
riscv                 randconfig-002-20250607    clang-16
s390                             allmodconfig    clang-18
s390                              allnoconfig    clang-21
s390                             allyesconfig    gcc-15.1.0
s390                  randconfig-001-20250607    clang-16
s390                  randconfig-002-20250607    gcc-14.3.0
sh                               allmodconfig    gcc-15.1.0
sh                                allnoconfig    gcc-15.1.0
sh                               allyesconfig    gcc-15.1.0
sh                        dreamcast_defconfig    gcc-15.1.0
sh                         ecovec24_defconfig    gcc-15.1.0
sh                             espt_defconfig    gcc-15.1.0
sh                            hp6xx_defconfig    gcc-15.1.0
sh                            migor_defconfig    gcc-15.1.0
sh                    randconfig-001-20250607    gcc-14.3.0
sh                    randconfig-002-20250607    gcc-9.3.0
sparc                            alldefconfig    gcc-15.1.0
sparc                            allmodconfig    gcc-15.1.0
sparc                             allnoconfig    gcc-15.1.0
sparc                 randconfig-001-20250607    gcc-10.3.0
sparc                 randconfig-002-20250607    gcc-12.4.0
sparc64               randconfig-001-20250607    gcc-9.3.0
sparc64               randconfig-002-20250607    gcc-13.3.0
um                               allmodconfig    clang-19
um                                allnoconfig    clang-21
um                               allyesconfig    gcc-12
um                    randconfig-001-20250607    clang-21
um                    randconfig-002-20250607    gcc-12
x86_64                            allnoconfig    clang-20
x86_64                           allyesconfig    clang-20
x86_64      buildonly-randconfig-001-20250607    clang-20
x86_64      buildonly-randconfig-002-20250607    clang-20
x86_64      buildonly-randconfig-003-20250607    clang-20
x86_64      buildonly-randconfig-004-20250607    gcc-12
x86_64      buildonly-randconfig-005-20250607    gcc-12
x86_64      buildonly-randconfig-006-20250607    gcc-12
x86_64                              defconfig    gcc-11
x86_64                          rhel-9.4-rust    clang-18
xtensa                            allnoconfig    gcc-15.1.0
xtensa                randconfig-001-20250607    gcc-10.5.0
xtensa                randconfig-002-20250607    gcc-8.5.0
xtensa                    smp_lx200_defconfig    gcc-15.1.0

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

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