[paulmck-rcu:rcu/next] BUILD REGRESSION 9bb839a83e1bbbfd4f7f20827aafd0a39fad00c7

From: kernel test robot
Date: Thu May 18 2023 - 23:11:31 EST


tree/branch: INFO setup_repo_specs: /db/releases/20230517200055/lkp-src/repo/*/paulmck-rcu
https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git rcu/next
branch HEAD: 9bb839a83e1bbbfd4f7f20827aafd0a39fad00c7 rcuscale: Measure grace-period kthread CPU time

Error/Warning reports:

https://lore.kernel.org/oe-kbuild-all/202305190202.SIUCU7Ko-lkp@xxxxxxxxx
https://lore.kernel.org/oe-kbuild-all/202305190259.Rm6JC6Nz-lkp@xxxxxxxxx

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

kernel/rcu/rcuscale.c:340:20: error: incompatible function pointer types initializing 'struct task_struct *(*)(void)' with an expression of type 'void (void)' [-Werror,-Wincompatible-function-pointer-types]
kernel/rcu/rcuscale.c:340:20: error: use of undeclared identifier 'get_rcu_tasks_trace_gp_kthread'; did you mean 'show_rcu_tasks_trace_gp_kthread'?
kernel/rcu/rcuscale.c:340:27: error: 'get_rcu_tasks_trace_gp_kthread' undeclared here (not in a function); did you mean 'show_rcu_tasks_trace_gp_kthread'?

Unverified Error/Warning (likely false positive, please contact us if interested):

kernel/scftorture.c:437 scftorture_invoke_one() warn: possible memory leak of 'scfcp'

Error/Warning ids grouped by kconfigs:

gcc_recent_errors
|-- arm-allmodconfig
| `-- kernel-rcu-rcuscale.c:error:get_rcu_tasks_trace_gp_kthread-undeclared-here-(not-in-a-function)
|-- csky-randconfig-c032-20230517
| `-- kernel-rcu-rcuscale.c:error:get_rcu_tasks_trace_gp_kthread-undeclared-here-(not-in-a-function)
|-- csky-randconfig-r021-20230517
| `-- kernel-rcu-rcuscale.c:error:get_rcu_tasks_trace_gp_kthread-undeclared-here-(not-in-a-function)
|-- i386-randconfig-a001
| `-- kernel-rcu-rcuscale.c:error:get_rcu_tasks_trace_gp_kthread-undeclared-here-(not-in-a-function)
|-- i386-randconfig-a003
| `-- kernel-rcu-rcuscale.c:error:get_rcu_tasks_trace_gp_kthread-undeclared-here-(not-in-a-function)
|-- i386-randconfig-a005
| `-- kernel-rcu-rcuscale.c:error:get_rcu_tasks_trace_gp_kthread-undeclared-here-(not-in-a-function)
|-- i386-randconfig-a012
| `-- kernel-rcu-rcuscale.c:error:get_rcu_tasks_trace_gp_kthread-undeclared-here-(not-in-a-function)
|-- i386-randconfig-a014
| `-- kernel-rcu-rcuscale.c:error:get_rcu_tasks_trace_gp_kthread-undeclared-here-(not-in-a-function)
|-- i386-randconfig-a016
| `-- kernel-rcu-rcuscale.c:error:get_rcu_tasks_trace_gp_kthread-undeclared-here-(not-in-a-function)
|-- i386-randconfig-c001
| `-- kernel-rcu-rcuscale.c:error:get_rcu_tasks_trace_gp_kthread-undeclared-here-(not-in-a-function)
|-- i386-randconfig-c021
| `-- kernel-rcu-rcuscale.c:error:get_rcu_tasks_trace_gp_kthread-undeclared-here-(not-in-a-function)
|-- i386-randconfig-m021
| `-- kernel-rcu-rcuscale.c:error:get_rcu_tasks_trace_gp_kthread-undeclared-here-(not-in-a-function)
|-- ia64-allmodconfig
| `-- kernel-rcu-rcuscale.c:error:get_rcu_tasks_trace_gp_kthread-undeclared-here-(not-in-a-function)
|-- loongarch-allmodconfig
| `-- kernel-rcu-rcuscale.c:error:get_rcu_tasks_trace_gp_kthread-undeclared-here-(not-in-a-function)
|-- loongarch-randconfig-r011-20230517
| `-- kernel-rcu-rcuscale.c:error:get_rcu_tasks_trace_gp_kthread-undeclared-here-(not-in-a-function)
|-- m68k-allmodconfig
| `-- kernel-rcu-rcuscale.c:error:get_rcu_tasks_trace_gp_kthread-undeclared-here-(not-in-a-function)
|-- microblaze-randconfig-m031-20230517
| `-- kernel-scftorture.c-scftorture_invoke_one()-warn:possible-memory-leak-of-scfcp
|-- mips-allmodconfig
| `-- kernel-rcu-rcuscale.c:error:get_rcu_tasks_trace_gp_kthread-undeclared-here-(not-in-a-function)
|-- powerpc-allmodconfig
| `-- kernel-rcu-rcuscale.c:error:get_rcu_tasks_trace_gp_kthread-undeclared-here-(not-in-a-function)
|-- powerpc-randconfig-s043-20230517
| `-- kernel-rcu-rcuscale.c:error:get_rcu_tasks_trace_gp_kthread-undeclared-here-(not-in-a-function)
|-- riscv-allmodconfig
| `-- kernel-rcu-rcuscale.c:error:get_rcu_tasks_trace_gp_kthread-undeclared-here-(not-in-a-function)
|-- s390-allmodconfig
| `-- kernel-rcu-rcuscale.c:error:get_rcu_tasks_trace_gp_kthread-undeclared-here-(not-in-a-function)
|-- sh-allmodconfig
| `-- kernel-rcu-rcuscale.c:error:get_rcu_tasks_trace_gp_kthread-undeclared-here-(not-in-a-function)
|-- x86_64-randconfig-a002
| `-- kernel-rcu-rcuscale.c:error:get_rcu_tasks_trace_gp_kthread-undeclared-here-(not-in-a-function)
|-- x86_64-randconfig-a004
| `-- kernel-rcu-rcuscale.c:error:get_rcu_tasks_trace_gp_kthread-undeclared-here-(not-in-a-function)
|-- x86_64-randconfig-a006
| `-- kernel-rcu-rcuscale.c:error:get_rcu_tasks_trace_gp_kthread-undeclared-here-(not-in-a-function)
|-- x86_64-randconfig-a011
| `-- kernel-rcu-rcuscale.c:error:get_rcu_tasks_trace_gp_kthread-undeclared-here-(not-in-a-function)
|-- x86_64-randconfig-a013
| `-- kernel-rcu-rcuscale.c:error:get_rcu_tasks_trace_gp_kthread-undeclared-here-(not-in-a-function)
|-- x86_64-randconfig-a015
| `-- kernel-rcu-rcuscale.c:error:get_rcu_tasks_trace_gp_kthread-undeclared-here-(not-in-a-function)
|-- x86_64-randconfig-c002
| `-- kernel-rcu-rcuscale.c:error:get_rcu_tasks_trace_gp_kthread-undeclared-here-(not-in-a-function)
|-- x86_64-randconfig-c022
| `-- kernel-rcu-rcuscale.c:error:get_rcu_tasks_trace_gp_kthread-undeclared-here-(not-in-a-function)
|-- x86_64-randconfig-m001
| `-- kernel-rcu-rcuscale.c:error:get_rcu_tasks_trace_gp_kthread-undeclared-here-(not-in-a-function)
|-- x86_64-randconfig-s021
| `-- kernel-rcu-rcuscale.c:error:get_rcu_tasks_trace_gp_kthread-undeclared-here-(not-in-a-function)
|-- x86_64-randconfig-s022
| `-- kernel-rcu-rcuscale.c:error:get_rcu_tasks_trace_gp_kthread-undeclared-here-(not-in-a-function)
|-- x86_64-randconfig-s023
| `-- kernel-rcu-rcuscale.c:error:get_rcu_tasks_trace_gp_kthread-undeclared-here-(not-in-a-function)
|-- x86_64-randconfig-x051
| `-- kernel-rcu-rcuscale.c:error:get_rcu_tasks_trace_gp_kthread-undeclared-here-(not-in-a-function)
|-- x86_64-randconfig-x053
| `-- kernel-rcu-rcuscale.c:error:get_rcu_tasks_trace_gp_kthread-undeclared-here-(not-in-a-function)
|-- x86_64-randconfig-x055
| `-- kernel-rcu-rcuscale.c:error:get_rcu_tasks_trace_gp_kthread-undeclared-here-(not-in-a-function)
|-- x86_64-randconfig-x061
| `-- kernel-rcu-rcuscale.c:error:get_rcu_tasks_trace_gp_kthread-undeclared-here-(not-in-a-function)
|-- x86_64-randconfig-x063
| `-- kernel-rcu-rcuscale.c:error:get_rcu_tasks_trace_gp_kthread-undeclared-here-(not-in-a-function)
`-- x86_64-randconfig-x065
`-- kernel-rcu-rcuscale.c:error:get_rcu_tasks_trace_gp_kthread-undeclared-here-(not-in-a-function)
clang_recent_errors
|-- i386-randconfig-a002
| |-- kernel-rcu-rcuscale.c:error:incompatible-function-pointer-types-initializing-struct-task_struct-(-)(void)-with-an-expression-of-type-void-(void)-Werror-Wincompatible-function-pointer-types
| `-- kernel-rcu-rcuscale.c:error:use-of-undeclared-identifier-get_rcu_tasks_trace_gp_kthread
|-- i386-randconfig-a004
| |-- kernel-rcu-rcuscale.c:error:incompatible-function-pointer-types-initializing-struct-task_struct-(-)(void)-with-an-expression-of-type-void-(void)-Werror-Wincompatible-function-pointer-types
| `-- kernel-rcu-rcuscale.c:error:use-of-undeclared-identifier-get_rcu_tasks_trace_gp_kthread
|-- i386-randconfig-a006
| |-- kernel-rcu-rcuscale.c:error:incompatible-function-pointer-types-initializing-struct-task_struct-(-)(void)-with-an-expression-of-type-void-(void)-Werror-Wincompatible-function-pointer-types
| `-- kernel-rcu-rcuscale.c:error:use-of-undeclared-identifier-get_rcu_tasks_trace_gp_kthread
|-- i386-randconfig-a011
| |-- kernel-rcu-rcuscale.c:error:incompatible-function-pointer-types-initializing-struct-task_struct-(-)(void)-with-an-expression-of-type-void-(void)-Werror-Wincompatible-function-pointer-types
| `-- kernel-rcu-rcuscale.c:error:use-of-undeclared-identifier-get_rcu_tasks_trace_gp_kthread
|-- i386-randconfig-a013
| |-- kernel-rcu-rcuscale.c:error:incompatible-function-pointer-types-initializing-struct-task_struct-(-)(void)-with-an-expression-of-type-void-(void)-Werror-Wincompatible-function-pointer-types
| `-- kernel-rcu-rcuscale.c:error:use-of-undeclared-identifier-get_rcu_tasks_trace_gp_kthread
|-- i386-randconfig-a015
| |-- kernel-rcu-rcuscale.c:error:incompatible-function-pointer-types-initializing-struct-task_struct-(-)(void)-with-an-expression-of-type-void-(void)-Werror-Wincompatible-function-pointer-types
| `-- kernel-rcu-rcuscale.c:error:use-of-undeclared-identifier-get_rcu_tasks_trace_gp_kthread
|-- riscv-randconfig-r001-20230517
| `-- kernel-rcu-rcuscale.c:error:use-of-undeclared-identifier-get_rcu_tasks_trace_gp_kthread
|-- x86_64-randconfig-a001
| |-- kernel-rcu-rcuscale.c:error:incompatible-function-pointer-types-initializing-struct-task_struct-(-)(void)-with-an-expression-of-type-void-(void)-Werror-Wincompatible-function-pointer-types
| `-- kernel-rcu-rcuscale.c:error:use-of-undeclared-identifier-get_rcu_tasks_trace_gp_kthread
|-- x86_64-randconfig-a003
| |-- kernel-rcu-rcuscale.c:error:incompatible-function-pointer-types-initializing-struct-task_struct-(-)(void)-with-an-expression-of-type-void-(void)-Werror-Wincompatible-function-pointer-types
| `-- kernel-rcu-rcuscale.c:error:use-of-undeclared-identifier-get_rcu_tasks_trace_gp_kthread
|-- x86_64-randconfig-a005
| |-- kernel-rcu-rcuscale.c:error:incompatible-function-pointer-types-initializing-struct-task_struct-(-)(void)-with-an-expression-of-type-void-(void)-Werror-Wincompatible-function-pointer-types
| `-- kernel-rcu-rcuscale.c:error:use-of-undeclared-identifier-get_rcu_tasks_trace_gp_kthread
|-- x86_64-randconfig-a012
| |-- kernel-rcu-rcuscale.c:error:incompatible-function-pointer-types-initializing-struct-task_struct-(-)(void)-with-an-expression-of-type-void-(void)-Werror-Wincompatible-function-pointer-types
| `-- kernel-rcu-rcuscale.c:error:use-of-undeclared-identifier-get_rcu_tasks_trace_gp_kthread
|-- x86_64-randconfig-a014
| |-- kernel-rcu-rcuscale.c:error:incompatible-function-pointer-types-initializing-struct-task_struct-(-)(void)-with-an-expression-of-type-void-(void)-Werror-Wincompatible-function-pointer-types
| `-- kernel-rcu-rcuscale.c:error:use-of-undeclared-identifier-get_rcu_tasks_trace_gp_kthread
|-- x86_64-randconfig-a016
| |-- kernel-rcu-rcuscale.c:error:incompatible-function-pointer-types-initializing-struct-task_struct-(-)(void)-with-an-expression-of-type-void-(void)-Werror-Wincompatible-function-pointer-types
| `-- kernel-rcu-rcuscale.c:error:use-of-undeclared-identifier-get_rcu_tasks_trace_gp_kthread
|-- x86_64-randconfig-x052
| |-- kernel-rcu-rcuscale.c:error:incompatible-function-pointer-types-initializing-struct-task_struct-(-)(void)-with-an-expression-of-type-void-(void)-Werror-Wincompatible-function-pointer-types
| `-- kernel-rcu-rcuscale.c:error:use-of-undeclared-identifier-get_rcu_tasks_trace_gp_kthread
|-- x86_64-randconfig-x054
| |-- kernel-rcu-rcuscale.c:error:incompatible-function-pointer-types-initializing-struct-task_struct-(-)(void)-with-an-expression-of-type-void-(void)-Werror-Wincompatible-function-pointer-types
| `-- kernel-rcu-rcuscale.c:error:use-of-undeclared-identifier-get_rcu_tasks_trace_gp_kthread
|-- x86_64-randconfig-x056
| |-- kernel-rcu-rcuscale.c:error:incompatible-function-pointer-types-initializing-struct-task_struct-(-)(void)-with-an-expression-of-type-void-(void)-Werror-Wincompatible-function-pointer-types
| `-- kernel-rcu-rcuscale.c:error:use-of-undeclared-identifier-get_rcu_tasks_trace_gp_kthread
|-- x86_64-randconfig-x062
| |-- kernel-rcu-rcuscale.c:error:incompatible-function-pointer-types-initializing-struct-task_struct-(-)(void)-with-an-expression-of-type-void-(void)-Werror-Wincompatible-function-pointer-types
| `-- kernel-rcu-rcuscale.c:error:use-of-undeclared-identifier-get_rcu_tasks_trace_gp_kthread
|-- x86_64-randconfig-x064
| |-- kernel-rcu-rcuscale.c:error:incompatible-function-pointer-types-initializing-struct-task_struct-(-)(void)-with-an-expression-of-type-void-(void)-Werror-Wincompatible-function-pointer-types
| `-- kernel-rcu-rcuscale.c:error:use-of-undeclared-identifier-get_rcu_tasks_trace_gp_kthread
`-- x86_64-randconfig-x066
|-- kernel-rcu-rcuscale.c:error:incompatible-function-pointer-types-initializing-struct-task_struct-(-)(void)-with-an-expression-of-type-void-(void)-Werror-Wincompatible-function-pointer-types
`-- kernel-rcu-rcuscale.c:error:use-of-undeclared-identifier-get_rcu_tasks_trace_gp_kthread

elapsed time: 732m

configs tested: 155
configs skipped: 6

tested configs:
alpha allyesconfig gcc
alpha defconfig gcc
alpha randconfig-r005-20230517 gcc
alpha randconfig-r006-20230517 gcc
alpha randconfig-r022-20230517 gcc
arc allyesconfig gcc
arc defconfig gcc
arc haps_hs_smp_defconfig gcc
arc randconfig-r023-20230517 gcc
arc randconfig-r043-20230517 gcc
arm allmodconfig gcc
arm allyesconfig gcc
arm defconfig gcc
arm mps2_defconfig gcc
arm randconfig-r003-20230517 gcc
arm randconfig-r013-20230517 clang
arm randconfig-r036-20230517 gcc
arm randconfig-r046-20230517 clang
arm vexpress_defconfig clang
arm64 allyesconfig gcc
arm64 defconfig gcc
arm64 randconfig-r006-20230517 clang
csky defconfig gcc
csky randconfig-r001-20230517 gcc
csky randconfig-r021-20230517 gcc
hexagon randconfig-r041-20230517 clang
hexagon randconfig-r045-20230517 clang
i386 allyesconfig gcc
i386 debian-10.3 gcc
i386 defconfig gcc
i386 randconfig-a001 gcc
i386 randconfig-a002 clang
i386 randconfig-a003 gcc
i386 randconfig-a004 clang
i386 randconfig-a005 gcc
i386 randconfig-a006 clang
i386 randconfig-a011 clang
i386 randconfig-a012 gcc
i386 randconfig-a013 clang
i386 randconfig-a014 gcc
i386 randconfig-a015 clang
i386 randconfig-a016 gcc
ia64 allmodconfig gcc
ia64 buildonly-randconfig-r005-20230517 gcc
ia64 defconfig gcc
ia64 randconfig-r036-20230517 gcc
loongarch alldefconfig gcc
loongarch allmodconfig gcc
loongarch allnoconfig gcc
loongarch buildonly-randconfig-r004-20230517 gcc
loongarch defconfig gcc
loongarch randconfig-r011-20230517 gcc
m68k allmodconfig gcc
m68k buildonly-randconfig-r002-20230517 gcc
m68k defconfig gcc
m68k multi_defconfig gcc
m68k randconfig-r015-20230517 gcc
m68k randconfig-r034-20230517 gcc
microblaze buildonly-randconfig-r001-20230517 gcc
microblaze buildonly-randconfig-r003-20230517 gcc
microblaze randconfig-r012-20230517 gcc
microblaze randconfig-r031-20230517 gcc
mips allmodconfig gcc
mips allyesconfig gcc
mips buildonly-randconfig-r003-20230517 gcc
mips cobalt_defconfig gcc
mips randconfig-r023-20230517 clang
nios2 defconfig gcc
nios2 randconfig-r013-20230517 gcc
nios2 randconfig-r025-20230517 gcc
openrisc buildonly-randconfig-r004-20230517 gcc
openrisc randconfig-r035-20230517 gcc
parisc defconfig gcc
parisc randconfig-r016-20230517 gcc
parisc randconfig-r024-20230517 gcc
parisc64 defconfig gcc
powerpc allmodconfig gcc
powerpc allnoconfig gcc
powerpc eiger_defconfig gcc
powerpc pcm030_defconfig gcc
powerpc sam440ep_defconfig gcc
riscv allmodconfig gcc
riscv allnoconfig gcc
riscv defconfig gcc
riscv randconfig-r001-20230517 clang
riscv randconfig-r002-20230517 clang
riscv randconfig-r005-20230517 clang
riscv randconfig-r014-20230517 gcc
riscv randconfig-r026-20230517 gcc
riscv randconfig-r042-20230517 gcc
riscv rv32_defconfig gcc
s390 alldefconfig clang
s390 allmodconfig gcc
s390 allyesconfig gcc
s390 buildonly-randconfig-r001-20230517 gcc
s390 buildonly-randconfig-r005-20230517 gcc
s390 defconfig gcc
s390 randconfig-r021-20230517 gcc
s390 randconfig-r022-20230517 gcc
s390 randconfig-r026-20230517 gcc
s390 randconfig-r044-20230517 gcc
sh allmodconfig gcc
sh apsh4ad0a_defconfig gcc
sh buildonly-randconfig-r006-20230517 gcc
sh microdev_defconfig gcc
sh randconfig-r015-20230517 gcc
sh randconfig-r024-20230517 gcc
sh se7722_defconfig gcc
sh secureedge5410_defconfig gcc
sh sh7763rdp_defconfig gcc
sh shx3_defconfig gcc
sparc defconfig gcc
sparc randconfig-r033-20230517 gcc
sparc64 randconfig-r004-20230517 gcc
sparc64 randconfig-r016-20230517 gcc
sparc64 randconfig-r033-20230517 gcc
um i386_defconfig gcc
um x86_64_defconfig gcc
x86_64 allnoconfig gcc
x86_64 allyesconfig gcc
x86_64 defconfig gcc
x86_64 kexec gcc
x86_64 randconfig-a001 clang
x86_64 randconfig-a002 gcc
x86_64 randconfig-a003 clang
x86_64 randconfig-a004 gcc
x86_64 randconfig-a005 clang
x86_64 randconfig-a006 gcc
x86_64 randconfig-a011 gcc
x86_64 randconfig-a012 clang
x86_64 randconfig-a013 gcc
x86_64 randconfig-a014 clang
x86_64 randconfig-a015 gcc
x86_64 randconfig-a016 clang
x86_64 randconfig-x051 gcc
x86_64 randconfig-x052 clang
x86_64 randconfig-x053 gcc
x86_64 randconfig-x054 clang
x86_64 randconfig-x055 gcc
x86_64 randconfig-x056 clang
x86_64 randconfig-x061 gcc
x86_64 randconfig-x062 clang
x86_64 randconfig-x063 gcc
x86_64 randconfig-x064 clang
x86_64 randconfig-x065 gcc
x86_64 randconfig-x066 clang
x86_64 rhel-8.3-bpf gcc
x86_64 rhel-8.3-kunit gcc
x86_64 rhel-8.3-kvm gcc
x86_64 rhel-8.3-syz gcc
x86_64 rhel-8.3 gcc
xtensa randconfig-r002-20230517 gcc
xtensa randconfig-r012-20230517 gcc
xtensa randconfig-r025-20230517 gcc
xtensa randconfig-r034-20230517 gcc

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