From: kernel test robot <lkp@intel.com>
To: David Hildenbrand <david@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Linux Memory Management List <linux-mm@kvack.org>,
mm-commits@vger.kernel.org
Subject: [akpm-mm:mm-new] BUILD REGRESSION 1c2b8d2725f84b43fabe3b3e9628c91db8ca6c65
Date: Mon, 28 Sep 2026 20:23:22 +0800 [thread overview]
Message-ID: <202609282019.vrITV7oW-lkp@intel.com> (raw)
tree/branch: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-new
branch HEAD: 1c2b8d2725f84b43fabe3b3e9628c91db8ca6c65 mm/swap, PM: hibernate: atomically replace hibernation pin
Error/Warning (recently discovered and may have been fixed):
https://lore.kernel.org/oe-kbuild-all/202609171159.oaB1OaSG-lkp@intel.com
fs/proc/task_mmu.c:3450:3: error: call to undeclared function 'drop_rcu'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
fs/proc/task_mmu.c:3452:3: error: call to undeclared function 'reacquire_rcu'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
Unverified Error/Warning (likely false positive, kindly check if interested):
https://lore.kernel.org/oe-kbuild/202609121707.Hya5cxAX-lkp@intel.com
https://lore.kernel.org/oe-kbuild/202609151628.hydefVEV-lkp@intel.com
drivers/scsi/sg.c:294:1-17: ERROR: sg_fops: .read() can deadlock .write(); change nonseekable_open -> stream_open to fix.
fs/proc/task_mmu.c:1427 show_smaps_rollup() warn: 'vma' is an error pointer or valid
Error/Warning ids grouped by kconfigs:
recent_errors
|-- i386-randconfig-2101-20260927
| `-- drivers-scsi-sg.c:ERROR:sg_fops:read()-can-deadlock-write()-change-nonseekable_open-stream_open-to-fix.
|-- i386-randconfig-2200-20260927
| `-- fs-proc-task_mmu.c-show_smaps_rollup()-warn:vma-is-an-error-pointer-or-valid
|-- nios2-randconfig-r2202-20260927
| `-- fs-proc-task_mmu.c-show_smaps_rollup()-warn:vma-is-an-error-pointer-or-valid
|-- s390-randconfig-r2107-20260927
| `-- drivers-scsi-sg.c:ERROR:sg_fops:read()-can-deadlock-write()-change-nonseekable_open-stream_open-to-fix.
|-- x86_64-randconfig-1000-20260928
| |-- fs-proc-task_mmu.c:error:call-to-undeclared-function-drop_rcu-ISO-C99-and-later-do-not-support-implicit-function-declarations
| `-- fs-proc-task_mmu.c:error:call-to-undeclared-function-reacquire_rcu-ISO-C99-and-later-do-not-support-implicit-function-declarations
|-- x86_64-randconfig-2100-20260927
| `-- drivers-scsi-sg.c:ERROR:sg_fops:read()-can-deadlock-write()-change-nonseekable_open-stream_open-to-fix.
|-- x86_64-randconfig-2102-20260927
| `-- drivers-scsi-sg.c:ERROR:sg_fops:read()-can-deadlock-write()-change-nonseekable_open-stream_open-to-fix.
|-- xtensa-randconfig-r2100-20260927
| `-- drivers-scsi-sg.c:ERROR:sg_fops:read()-can-deadlock-write()-change-nonseekable_open-stream_open-to-fix.
`-- xtensa-randconfig-r2104-20260927
`-- drivers-scsi-sg.c:ERROR:sg_fops:read()-can-deadlock-write()-change-nonseekable_open-stream_open-to-fix.
elapsed time: 743m
configs tested: 298
configs skipped: 6
tested configs:
alpha allnoconfig gcc-16.1.0
alpha allyesconfig gcc-16.1.0
alpha defconfig gcc-16.1.0
alpha randconfig-r2102-20260927 gcc-8.5.0 cocci
alpha randconfig-r2103-20260927 clang-24 cocci
arc allmodconfig gcc-16.1.0
arc allnoconfig gcc-16.1.0
arc allyesconfig gcc-16.1.0
arc defconfig gcc-16.1.0
arc randconfig-1000-20260928 gcc-12.5.0
arc randconfig-1001-20260928 gcc-14.3.0
arc randconfig-r2104-20260928 gcc-16.1.0 cocci
arc randconfig-r2105-20260927 gcc-8.5.0 cocci
arc randconfig-r2300-20260927 gcc-9.5.0 sparse
arc randconfig-r2303-20260928 clang-24 sparse
arm allnoconfig clang-17
arm allyesconfig gcc-16.1.0
arm aspeed_g4_defconfig clang-20
arm defconfig clang-24
arm randconfig-1000-20260928 gcc-14.3.0
arm randconfig-1001-20260928 clang-24
arm randconfig-1002-20260928 clang-24
arm randconfig-1003-20260928 gcc-12.5.0
arm randconfig-r2300-20260927 clang-22 sparse
arm randconfig-r2304-20260927 clang-22 sparse
arm randconfig-r2304-20260928 clang-24 sparse
arm spear13xx_defconfig gcc-16.1.0
arm64 allmodconfig clang-24
arm64 allnoconfig gcc-16.1.0
arm64 defconfig gcc-16.1.0
arm64 randconfig-1000-20260928 gcc-15.2.0
arm64 randconfig-1001-20260928 clang-24
arm64 randconfig-1002-20260928 gcc-15.2.0
arm64 randconfig-1003-20260928 gcc-8.5.0
arm64 randconfig-r2305-20260927 gcc-8.5.0 sparse
csky allmodconfig gcc-16.1.0
csky allnoconfig gcc-16.1.0
csky defconfig gcc-16.1.0
csky randconfig-1000-20260928 gcc-16.1.0
csky randconfig-1001-20260928 gcc-14.3.0
csky randconfig-r2301-20260927 gcc-16.1.0 sparse
hexagon allmodconfig clang-24
hexagon allnoconfig clang-24
hexagon defconfig clang-24
hexagon randconfig-1000-20260928 clang-24
hexagon randconfig-1001-20260928 clang-19
hexagon randconfig-r2104-20260927 clang-24 cocci
hexagon randconfig-r2106-20260927 clang-24 cocci
i386 allmodconfig gcc-14
i386 allnoconfig gcc-14
i386 allyesconfig gcc-14
i386 buildonly-randconfig-1000-20260928 gcc-14
i386 buildonly-randconfig-1001-20260928 gcc-14
i386 buildonly-randconfig-1002-20260928 gcc-14
i386 buildonly-randconfig-1003-20260928 clang-22
i386 buildonly-randconfig-1004-20260928 gcc-14
i386 buildonly-randconfig-1005-20260928 gcc-14
i386 defconfig clang-22
i386 randconfig-1000-20260928 clang-22
i386 randconfig-1001-20260928 gcc-12
i386 randconfig-1002-20260928 gcc-14
i386 randconfig-1003-20260928 gcc-14
i386 randconfig-1004-20260928 gcc-14
i386 randconfig-1005-20260928 gcc-14
i386 randconfig-1006-20260928 gcc-14
i386 randconfig-1007-20260928 gcc-12
i386 randconfig-1008-20260928 clang-22
i386 randconfig-1009-20260928 gcc-14
i386 randconfig-1010-20260928 gcc-14
i386 randconfig-1011-20260928 clang-22
i386 randconfig-1012-20260928 clang-22
i386 randconfig-1013-20260928 clang-22
i386 randconfig-2100-20260927 clang-22 cocci
i386 randconfig-2100-20260928 gcc-14 cocci
i386 randconfig-2101-20260927 clang-22 cocci
i386 randconfig-2101-20260928 gcc-14 cocci
i386 randconfig-2102-20260927 clang-22 cocci
i386 randconfig-2102-20260928 gcc-14 cocci
i386 randconfig-2103-20260927 clang-22 cocci
i386 randconfig-2103-20260928 gcc-14 cocci
i386 randconfig-2200-20260927 clang-22 smatch
i386 randconfig-2200-20260928 clang-22 smatch
i386 randconfig-2300-20260927 clang-22 sparse
i386 randconfig-2300-20260928 clang-22 sparse
i386 randconfig-2301-20260927 clang-22 sparse
i386 randconfig-2301-20260928 clang-22 sparse
i386 randconfig-2302-20260927 clang-22 sparse
i386 randconfig-2302-20260928 clang-22 sparse
i386 randconfig-r2107-20260927 clang-24 cocci
i386 randconfig-r2308-20260927 gcc-14 sparse
loongarch allmodconfig clang-19
loongarch allnoconfig clang-20
loongarch defconfig clang-24
loongarch randconfig-1000-20260928 gcc-16.1.0
loongarch randconfig-1001-20260928 gcc-16.1.0
loongarch randconfig-r2200-20260927 clang-24 smatch
m68k allmodconfig gcc-16.1.0
m68k allnoconfig gcc-16.1.0
m68k allyesconfig gcc-16.1.0
m68k atari_defconfig gcc-16.1.0
m68k defconfig gcc-16.1.0
m68k randconfig-r2304-20260927 gcc-14.3.0 sparse
microblaze allnoconfig gcc-16.1.0
microblaze allyesconfig gcc-16.1.0
microblaze defconfig gcc-16.1.0
microblaze randconfig-r2100-20260927 clang-24 cocci
microblaze randconfig-r2106-20260928 gcc-16.1.0 cocci
mips allnoconfig gcc-16.1.0
mips allyesconfig gcc-16.1.0
mips randconfig-r2103-20260927 gcc-8.5.0 cocci
mips randconfig-r2305-20260927 clang-22 sparse
mips rb532_defconfig clang-24
nios2 allmodconfig gcc-11.5.0
nios2 allnoconfig gcc-11.5.0
nios2 defconfig gcc-11.5.0
nios2 randconfig-1000-20260928 gcc-8.5.0
nios2 randconfig-1001-20260928 gcc-10.5.0
nios2 randconfig-r2202-20260927 gcc-8.5.0 smatch
nios2 randconfig-r2202-20260928 gcc-11.5.0 smatch
nios2 randconfig-r2303-20260927 clang-22 sparse
nios2 randconfig-r2307-20260927 gcc-9.5.0 sparse
nios2 randconfig-r2309-20260927 gcc-11.5.0 sparse
openrisc allmodconfig gcc-16.1.0
openrisc allnoconfig gcc-16.1.0
openrisc defconfig gcc-16.1.0
openrisc randconfig-r2106-20260927 clang-24 cocci
openrisc randconfig-r2200-20260927 gcc-16.1.0 smatch
openrisc randconfig-r2302-20260928 clang-24 sparse
openrisc randconfig-r2303-20260927 gcc-16.1.0 sparse
openrisc randconfig-r2305-20260928 clang-24 sparse
parisc allmodconfig gcc-16.1.0
parisc allnoconfig gcc-16.1.0
parisc allyesconfig gcc-16.1.0
parisc defconfig gcc-16.1.0
parisc randconfig-1000-20260928 gcc-10.5.0
parisc randconfig-1001-20260928 gcc-16.1.0
parisc randconfig-r2100-20260927 gcc-8.5.0 cocci
parisc randconfig-r2200-20260928 gcc-8.5.0 smatch
parisc randconfig-r2300-20260928 clang-24 sparse
parisc64 defconfig gcc-16.1.0
powerpc allnoconfig gcc-16.1.0
powerpc randconfig-1000-20260928 gcc-13.4.0
powerpc randconfig-1001-20260928 clang-24
powerpc randconfig-r2103-20260927 gcc-9.5.0 cocci
powerpc sam440ep_defconfig gcc-16.1.0
powerpc warp_defconfig gcc-16.1.0
powerpc64 randconfig-1000-20260928 clang-24
powerpc64 randconfig-1001-20260928 gcc-13.4.0
powerpc64 randconfig-r2201-20260927 clang-24 smatch
riscv allmodconfig clang-24
riscv allnoconfig gcc-16.1.0
riscv allyesconfig clang-24
riscv defconfig clang-24
riscv randconfig-1000-20260928 gcc-13.4.0
riscv randconfig-1001-20260928 clang-24
riscv randconfig-2000-20260927 clang-24
riscv randconfig-2001-20260927 clang-24
riscv randconfig-2001-20260927 gcc-11.5.0
riscv randconfig-r2102-20260927 clang-24 cocci
riscv randconfig-r2201-20260927 gcc-8.5.0 smatch
riscv randconfig-r2301-20260927 clang-22 sparse
riscv randconfig-r2302-20260927 clang-24 sparse
riscv randconfig-r2306-20260927 clang-21 sparse
riscv randconfig-r2307-20260927 clang-24 sparse
riscv randconfig-r2308-20260927 clang-24 sparse
s390 allmodconfig clang-24
s390 allnoconfig clang-24
s390 defconfig clang-18
s390 randconfig-1000-20260928 clang-17
s390 randconfig-1001-20260928 gcc-15.2.0
s390 randconfig-2000-20260927 clang-24
s390 randconfig-2001-20260927 clang-24
s390 randconfig-2001-20260927 gcc-15.2.0
s390 randconfig-r2101-20260927 clang-24 cocci
s390 randconfig-r2107-20260927 gcc-15.2.0 cocci
sh allmodconfig gcc-16.1.0
sh allnoconfig gcc-16.1.0
sh allyesconfig gcc-16.1.0
sh defconfig gcc-16.1.0
sh randconfig-1000-20260928 gcc-12.5.0
sh randconfig-1001-20260928 gcc-10.5.0
sh randconfig-2000-20260927 clang-24
sh randconfig-2000-20260927 gcc-12.5.0
sh randconfig-2001-20260927 clang-24
sh randconfig-2001-20260927 gcc-14.3.0
sh randconfig-r2102-20260927 gcc-16.1.0 cocci
sh randconfig-r2107-20260928 gcc-16.1.0 cocci
sh se7343_defconfig gcc-16.1.0
sparc allnoconfig gcc-16.1.0
sparc defconfig gcc-16.1.0
sparc randconfig-1000-20260928 gcc-12.5.0
sparc randconfig-1001-20260928 gcc-16.1.0
sparc randconfig-2000-20260927 gcc-16.1.0
sparc randconfig-2000-20260928 gcc-13.4.0
sparc randconfig-2001-20260927 gcc-16.1.0
sparc randconfig-2001-20260928 gcc-13.4.0
sparc randconfig-r2105-20260927 clang-24 cocci
sparc randconfig-r2306-20260927 clang-24 sparse
sparc64 allmodconfig clang-20
sparc64 defconfig clang-24
sparc64 randconfig-1000-20260928 gcc-8.5.0
sparc64 randconfig-1001-20260928 clang-21
sparc64 randconfig-2000-20260927 clang-24
sparc64 randconfig-2000-20260927 gcc-16.1.0
sparc64 randconfig-2000-20260928 gcc-13.4.0
sparc64 randconfig-2001-20260927 clang-20
sparc64 randconfig-2001-20260927 gcc-16.1.0
sparc64 randconfig-2001-20260928 gcc-13.4.0
sparc64 randconfig-r2101-20260927 gcc-8.5.0 cocci
sparc64 randconfig-r2105-20260928 gcc-16.1.0 cocci
um allmodconfig clang-17
um allnoconfig clang-17
um allyesconfig gcc-14
um defconfig clang-24
um i386_defconfig gcc-14
um randconfig-1000-20260928 clang-17
um randconfig-1001-20260928 gcc-13
um randconfig-2000-20260927 gcc-14
um randconfig-2000-20260927 gcc-16.1.0
um randconfig-2000-20260928 gcc-13.4.0
um randconfig-2001-20260927 clang-22
um randconfig-2001-20260927 gcc-16.1.0
um randconfig-2001-20260928 gcc-13.4.0
um randconfig-r2202-20260927 gcc-14 smatch
um randconfig-r2301-20260928 clang-24 sparse
um randconfig-r2302-20260927 clang-22 sparse
um x86_64_defconfig clang-24
x86_64 allmodconfig clang-22
x86_64 allnoconfig clang-22
x86_64 allyesconfig clang-22
x86_64 buildonly-randconfig-1000-20260928 gcc-14
x86_64 buildonly-randconfig-1001-20260928 gcc-14
x86_64 buildonly-randconfig-1002-20260928 gcc-14
x86_64 buildonly-randconfig-1003-20260928 gcc-14
x86_64 buildonly-randconfig-1004-20260928 gcc-14
x86_64 buildonly-randconfig-1005-20260928 gcc-12
x86_64 defconfig gcc-14
x86_64 kexec clang-22
x86_64 randconfig-1000-20260928 clang-22
x86_64 randconfig-1001-20260928 gcc-14
x86_64 randconfig-1002-20260928 gcc-14
x86_64 randconfig-1003-20260928 clang-22
x86_64 randconfig-1004-20260928 gcc-14
x86_64 randconfig-1005-20260928 gcc-14
x86_64 randconfig-1006-20260928 gcc-14
x86_64 randconfig-1007-20260928 clang-22
x86_64 randconfig-1008-20260928 clang-22
x86_64 randconfig-1009-20260928 gcc-14
x86_64 randconfig-1010-20260928 clang-22
x86_64 randconfig-1011-20260928 clang-22
x86_64 randconfig-1012-20260928 clang-22
x86_64 randconfig-1013-20260928 clang-22
x86_64 randconfig-1014-20260928 clang-22
x86_64 randconfig-1015-20260928 gcc-14
x86_64 randconfig-1016-20260928 clang-22
x86_64 randconfig-1017-20260928 clang-22
x86_64 randconfig-2100-20260927 clang-22 cocci
x86_64 randconfig-2100-20260928 gcc-12 cocci
x86_64 randconfig-2101-20260927 clang-22 cocci
x86_64 randconfig-2101-20260928 gcc-12 cocci
x86_64 randconfig-2102-20260927 clang-22 cocci
x86_64 randconfig-2102-20260927 gcc-14 cocci
x86_64 randconfig-2102-20260928 gcc-12 cocci
x86_64 randconfig-2103-20260927 clang-22 cocci
x86_64 randconfig-2103-20260928 gcc-12 cocci
x86_64 randconfig-2200-20260927 gcc-14 smatch
x86_64 randconfig-2200-20260928 gcc-14 smatch
x86_64 randconfig-2300-20260927 clang-22 sparse
x86_64 randconfig-2300-20260927 gcc-14 sparse
x86_64 randconfig-2300-20260928 clang-22 sparse
x86_64 randconfig-2301-20260927 clang-22 sparse
x86_64 randconfig-2301-20260927 gcc-14 sparse
x86_64 randconfig-2301-20260928 clang-22 sparse
x86_64 randconfig-2302-20260927 clang-22 sparse
x86_64 randconfig-2302-20260927 gcc-13 sparse
x86_64 randconfig-2302-20260928 clang-22 sparse
x86_64 randconfig-r2101-20260927 clang-22 cocci
x86_64 rhel-9.4 clang-22
x86_64 rhel-9.4-bpf clang-22
x86_64 rhel-9.4-func clang-22
x86_64 rhel-9.4-kselftests clang-22
x86_64 rhel-9.4-kunit clang-22
x86_64 rhel-9.4-ltp clang-22
x86_64 rhel-9.4-rust clang-22
x86_64 rhel-9.4-rust clang-22
xtensa allnoconfig gcc-16.1.0
xtensa allyesconfig gcc-16.1.0
xtensa randconfig-1000-20260928 gcc-8.5.0
xtensa randconfig-1001-20260928 gcc-12.5.0
xtensa randconfig-2000-20260927 gcc-16.1.0
xtensa randconfig-2000-20260927 gcc-8.5.0
xtensa randconfig-2000-20260928 gcc-13.4.0
xtensa randconfig-2001-20260927 gcc-16.1.0
xtensa randconfig-2001-20260928 gcc-13.4.0
xtensa randconfig-r2100-20260927 gcc-15.2.0 cocci
xtensa randconfig-r2104-20260927 gcc-11.5.0 cocci
xtensa randconfig-r2201-20260927 gcc-16.1.0 smatch
xtensa randconfig-r2309-20260927 clang-24 sparse
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
reply other threads:[~2026-09-28 12:24 UTC|newest]
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