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Message-ID: <62452145.Nub6yx/W7/CoVUTo%lkp@intel.com>
Date: Thu, 31 Mar 2022 11:34:29 +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/kspp-stringop-overflow] BUILD SUCCESS WITH
WARNING 3801f720ebf09ec3589982fba4138e83b4177fe1
tree/branch: https://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux.git testing/kspp-stringop-overflow
branch HEAD: 3801f720ebf09ec3589982fba4138e83b4177fe1 Makefile: Enable -Wstringop-overflow globally
Warning reports:
https://lore.kernel.org/lkml/202203301238.Yblbl2iM-lkp@intel.com
https://lore.kernel.org/lkml/202203301249.XsFY2ove-lkp@intel.com
Warning: (recently discovered and may have been fixed)
arch/m68k/amiga/config.c:453:56: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
arch/m68k/include/asm/string.h:72:25: warning: '__builtin_memcpy' writing 6 bytes into a region of size 0 overflows the destination [-Wstringop-overflow=]
arch/m68k/q40/q40ints.c:137:26: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
cc1: warning: writing 4 bytes into a region of size between 18446744073709551613 and 2 [-Wstringop-overflow=]
include/linux/fortify-string.h:41:33: warning: '__builtin_memcpy' writing 512 bytes into a region of size 0 overflows the destination [-Wstringop-overflow=]
include/linux/fortify-string.h:41:33: warning: '__builtin_memcpy' writing 6 bytes into a region of size 0 overflows the destination [-Wstringop-overflow=]
sound/oss/dmasound/dmasound_q40.c:395:29: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
Unverified Warning (likely false positive, please contact us if interested):
arch/s390/kernel/machine_kexec.c:57:9: warning: 'memcpy' writing 512 bytes into a region of size 0 overflows the destination [-Wstringop-overflow=]
arch/sparc/include/asm/string.h:15:25: warning: '__builtin_memcpy' writing 6 bytes into a region of size 0 overflows the destination [-Wstringop-overflow=]
arch/x86/mm/pgtable.c:442 pgd_alloc() error: uninitialized symbol 'pmds'.
arch/x86/mm/pgtable.c:442:27: warning: variable 'pmds' is uninitialized when used here [-Wuninitialized]
arch/x86/mm/pgtable.c:445 pgd_alloc() error: uninitialized symbol 'u_pmds'.
arch/x86/mm/pgtable.c:445:27: warning: variable 'u_pmds' is uninitialized when used here [-Wuninitialized]
arch/x86/mm/pgtable.c:459:31: warning: variable 'pmds' is uninitialized when used here [-Wuninitialized]
arch/x86/mm/pgtable.c:460:36: warning: variable 'u_pmds' is uninitialized when used here [-Wuninitialized]
cc1: warning: writing 16 bytes into a region of size 0 [-Wstringop-overflow=]
drivers/char/xillybus/xillybus_core.c:1059:50: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
drivers/infiniband/hw/mlx4/main.c:297:33: warning: writing 16 bytes into a region of size 0 [-Wstringop-overflow=]
drivers/mtd/nand/raw/nand_bbt.c:584:32: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
drivers/staging/r8188eu/core/rtw_recv.c:1233:9: warning: 'memcpy' writing 6 bytes into a region of size 0 overflows the destination [-Wstringop-overflow=]
drivers/staging/rtl8723bs/core/rtw_recv.c:1559:9: warning: 'memcpy' writing 6 bytes into a region of size 0 overflows the destination [-Wstringop-overflow=]
lib/test_kasan.c:274:49: warning: writing 1 byte into a region of size 0 [-Wstringop-overflow=]
Warning ids grouped by kconfigs:
gcc_recent_errors
|-- arc-randconfig-r043-20220328
| |-- drivers-char-xillybus-xillybus_core.c:warning:writing-byte-into-a-region-of-size
| `-- drivers-mtd-nand-raw-nand_bbt.c:warning:writing-byte-into-a-region-of-size
|-- arm64-randconfig-r023-20220329
| `-- cc1:warning:writing-bytes-into-a-region-of-size
|-- i386-randconfig-m021-20220328
| |-- arch-x86-mm-pgtable.c-pgd_alloc()-error:uninitialized-symbol-pmds-.
| `-- arch-x86-mm-pgtable.c-pgd_alloc()-error:uninitialized-symbol-u_pmds-.
|-- m68k-allyesconfig
| |-- arch-m68k-amiga-config.c:warning:writing-byte-into-a-region-of-size
| |-- arch-m68k-include-asm-string.h:warning:__builtin_memcpy-writing-bytes-into-a-region-of-size-overflows-the-destination
| |-- arch-m68k-q40-q40ints.c:warning:writing-byte-into-a-region-of-size
| `-- sound-oss-dmasound-dmasound_q40.c:warning:writing-byte-into-a-region-of-size
|-- parisc-allyesconfig
| `-- drivers-staging-rtl8723bs-core-rtw_recv.c:warning:memcpy-writing-bytes-into-a-region-of-size-overflows-the-destination
|-- parisc-randconfig-r011-20220327
| `-- drivers-staging-r8188eu-core-rtw_recv.c:warning:memcpy-writing-bytes-into-a-region-of-size-overflows-the-destination
|-- powerpc-allyesconfig
| |-- cc1:warning:writing-bytes-into-a-region-of-size-between-and
| `-- include-linux-fortify-string.h:warning:__builtin_memcpy-writing-bytes-into-a-region-of-size-overflows-the-destination
|-- s390-defconfig
| |-- arch-s390-kernel-machine_kexec.c:warning:memcpy-writing-bytes-into-a-region-of-size-overflows-the-destination
| `-- drivers-infiniband-hw-mlx4-main.c:warning:writing-bytes-into-a-region-of-size
|-- s390-randconfig-r044-20220327
| `-- include-linux-fortify-string.h:warning:__builtin_memcpy-writing-bytes-into-a-region-of-size-overflows-the-destination
|-- sparc-allyesconfig
| `-- arch-sparc-include-asm-string.h:warning:__builtin_memcpy-writing-bytes-into-a-region-of-size-overflows-the-destination
|-- x86_64-randconfig-m001-20220328
| |-- arch-x86-mm-pgtable.c-pgd_alloc()-error:uninitialized-symbol-pmds-.
| `-- arch-x86-mm-pgtable.c-pgd_alloc()-error:uninitialized-symbol-u_pmds-.
`-- xtensa-allyesconfig
`-- lib-test_kasan.c:warning:writing-byte-into-a-region-of-size
clang_recent_errors
|-- i386-allyesconfig
| |-- arch-x86-mm-pgtable.c:warning:variable-pmds-is-uninitialized-when-used-here
| `-- arch-x86-mm-pgtable.c:warning:variable-u_pmds-is-uninitialized-when-used-here
|-- i386-randconfig-a011-20220328
| |-- arch-x86-mm-pgtable.c:warning:variable-pmds-is-uninitialized-when-used-here
| `-- arch-x86-mm-pgtable.c:warning:variable-u_pmds-is-uninitialized-when-used-here
|-- i386-randconfig-a012-20220328
| |-- arch-x86-mm-pgtable.c:warning:variable-pmds-is-uninitialized-when-used-here
| `-- arch-x86-mm-pgtable.c:warning:variable-u_pmds-is-uninitialized-when-used-here
|-- i386-randconfig-a013-20220328
| |-- arch-x86-mm-pgtable.c:warning:variable-pmds-is-uninitialized-when-used-here
| `-- arch-x86-mm-pgtable.c:warning:variable-u_pmds-is-uninitialized-when-used-here
|-- i386-randconfig-a015-20220328
| |-- arch-x86-mm-pgtable.c:warning:variable-pmds-is-uninitialized-when-used-here
| `-- arch-x86-mm-pgtable.c:warning:variable-u_pmds-is-uninitialized-when-used-here
|-- i386-randconfig-a016-20220328
| |-- arch-x86-mm-pgtable.c:warning:variable-pmds-is-uninitialized-when-used-here
| `-- arch-x86-mm-pgtable.c:warning:variable-u_pmds-is-uninitialized-when-used-here
|-- x86_64-randconfig-a011-20220328
| |-- arch-x86-mm-pgtable.c:warning:variable-pmds-is-uninitialized-when-used-here
| `-- arch-x86-mm-pgtable.c:warning:variable-u_pmds-is-uninitialized-when-used-here
|-- x86_64-randconfig-a012-20220328
| |-- arch-x86-mm-pgtable.c:warning:variable-pmds-is-uninitialized-when-used-here
| `-- arch-x86-mm-pgtable.c:warning:variable-u_pmds-is-uninitialized-when-used-here
|-- x86_64-randconfig-a013-20220328
| |-- arch-x86-mm-pgtable.c:warning:variable-pmds-is-uninitialized-when-used-here
| `-- arch-x86-mm-pgtable.c:warning:variable-u_pmds-is-uninitialized-when-used-here
|-- x86_64-randconfig-a014-20220328
| |-- arch-x86-mm-pgtable.c:warning:variable-pmds-is-uninitialized-when-used-here
| `-- arch-x86-mm-pgtable.c:warning:variable-u_pmds-is-uninitialized-when-used-here
|-- x86_64-randconfig-a015-20220328
| |-- arch-x86-mm-pgtable.c:warning:variable-pmds-is-uninitialized-when-used-here
| `-- arch-x86-mm-pgtable.c:warning:variable-u_pmds-is-uninitialized-when-used-here
`-- x86_64-randconfig-a016-20220328
|-- arch-x86-mm-pgtable.c:warning:variable-pmds-is-uninitialized-when-used-here
`-- arch-x86-mm-pgtable.c:warning:variable-u_pmds-is-uninitialized-when-used-here
elapsed time: 1586m
configs tested: 108
configs skipped: 3
gcc tested configs:
arm defconfig
arm64 allyesconfig
arm64 defconfig
arm allyesconfig
arm allmodconfig
i386 randconfig-c001
powerpc randconfig-c003-20220330
m68k q40_defconfig
sh microdev_defconfig
nios2 10m50_defconfig
mips fuloong2e_defconfig
arm nhk8815_defconfig
arc nsim_700_defconfig
arc axs101_defconfig
sparc sparc32_defconfig
mips tb0226_defconfig
sh rsk7269_defconfig
powerpc tqm8xx_defconfig
arm pleb_defconfig
mips vocore2_defconfig
arm s3c6400_defconfig
arm randconfig-c002-20220329
arm randconfig-c002-20220327
ia64 defconfig
ia64 allmodconfig
ia64 allyesconfig
m68k defconfig
m68k allyesconfig
m68k allmodconfig
nios2 defconfig
arc allyesconfig
csky defconfig
alpha defconfig
alpha allyesconfig
nios2 allyesconfig
arc defconfig
sh allmodconfig
h8300 allyesconfig
xtensa allyesconfig
parisc defconfig
s390 allyesconfig
s390 allmodconfig
parisc64 defconfig
parisc allyesconfig
s390 defconfig
i386 allyesconfig
i386 debian-10.3
i386 debian-10.3-kselftests
i386 defconfig
sparc allyesconfig
sparc defconfig
mips allyesconfig
mips allmodconfig
powerpc allnoconfig
powerpc allyesconfig
powerpc allmodconfig
i386 randconfig-a004-20220328
i386 randconfig-a002-20220328
i386 randconfig-a003-20220328
i386 randconfig-a001-20220328
i386 randconfig-a006-20220328
i386 randconfig-a005-20220328
x86_64 randconfig-a001-20220328
x86_64 randconfig-a003-20220328
x86_64 randconfig-a002-20220328
x86_64 randconfig-a005-20220328
x86_64 randconfig-a004-20220328
x86_64 randconfig-a006-20220328
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 defconfig
x86_64 allyesconfig
x86_64 kexec
x86_64 rhel-8.3
x86_64 rhel-8.3-func
x86_64 rhel-8.3-kunit
x86_64 rhel-8.3-kselftests
clang tested configs:
mips lemote2f_defconfig
arm imx_v4_v5_defconfig
mips loongson1c_defconfig
arm spear13xx_defconfig
i386 allyesconfig
riscv alldefconfig
x86_64 randconfig-a011-20220328
x86_64 randconfig-a013-20220328
x86_64 randconfig-a012-20220328
x86_64 randconfig-a014-20220328
x86_64 randconfig-a016-20220328
x86_64 randconfig-a015-20220328
i386 randconfig-a012-20220328
i386 randconfig-a011-20220328
i386 randconfig-a015-20220328
i386 randconfig-a016-20220328
i386 randconfig-a014-20220328
i386 randconfig-a013-20220328
riscv randconfig-r042-20220328
hexagon randconfig-r045-20220329
hexagon randconfig-r045-20220328
hexagon randconfig-r045-20220327
hexagon randconfig-r041-20220327
hexagon randconfig-r041-20220329
hexagon randconfig-r041-20220328
--
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https://01.org/lkp
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