From: kbuild test robot <lkp@intel.com>
To: Daniel Axtens <dja@axtens.net>
Cc: kbuild-all@lists.01.org, Johannes Weiner <hannes@cmpxchg.org>,
Dmitry Vyukov <dvyukov@google.com>,
Andrew Morton <akpm@linux-foundation.org>,
Linux Memory Management List <linux-mm@kvack.org>
Subject: [hnaz-linux-mm:master 156/523] include/linux/string.h:307:9: note: in expansion of macro '__underlying_strncpy'
Date: Tue, 19 May 2020 17:23:39 +0800 [thread overview]
Message-ID: <202005191736.t1JQZSrV%lkp@intel.com> (raw)
[-- Attachment #1: Type: text/plain, Size: 14497 bytes --]
tree: https://github.com/hnaz/linux-mm master
head: 2bbf0589bfeb27800c730b76eacf34528eee5418
commit: 854834b3859d2d80e31750f658bc8e4031422912 [156/523] string.h: fix incompatibility between FORTIFY_SOURCE and KASAN
config: arm-allyesconfig (attached as .config)
compiler: arm-linux-gnueabi-gcc (GCC) 9.3.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
git checkout 854834b3859d2d80e31750f658bc8e4031422912
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm
If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot <lkp@intel.com>
All warnings (new ones prefixed by >>, old ones prefixed by <<):
drivers/scsi/arcmsr/arcmsr_hba.c: In function 'arcmsr_remap_pciregion':
drivers/scsi/arcmsr/arcmsr_hba.c:286:30: warning: variable 'flags' set but not used [-Wunused-but-set-variable]
286 | unsigned long addr, range, flags;
| ^~~~~
drivers/scsi/arcmsr/arcmsr_hba.c: In function 'arcmsr_suspend':
drivers/scsi/arcmsr/arcmsr_hba.c:1070:11: warning: variable 'intmask_org' set but not used [-Wunused-but-set-variable]
1070 | uint32_t intmask_org;
| ^~~~~~~~~~~
drivers/scsi/arcmsr/arcmsr_hba.c: In function 'arcmsr_done4abort_postqueue':
drivers/scsi/arcmsr/arcmsr_hba.c:1410:29: warning: variable 'cdb_phy_hipart' set but not used [-Wunused-but-set-variable]
1410 | unsigned long ccb_cdb_phy, cdb_phy_hipart;
| ^~~~~~~~~~~~~~
drivers/scsi/arcmsr/arcmsr_hba.c: In function 'arcmsr_hbaD_postqueue_isr':
drivers/scsi/arcmsr/arcmsr_hba.c:2448:36: warning: variable 'cdb_phy_hipart' set but not used [-Wunused-but-set-variable]
2448 | unsigned long flags, ccb_cdb_phy, cdb_phy_hipart;
| ^~~~~~~~~~~~~~
drivers/scsi/arcmsr/arcmsr_hba.c: In function 'arcmsr_hbaD_polling_ccbdone':
drivers/scsi/arcmsr/arcmsr_hba.c:3498:36: warning: variable 'cdb_phy_hipart' set but not used [-Wunused-but-set-variable]
3498 | unsigned long flags, ccb_cdb_phy, cdb_phy_hipart;
| ^~~~~~~~~~~~~~
In file included from include/linux/bitmap.h:9,
from include/linux/nodemask.h:95,
from include/linux/mmzone.h:17,
from include/linux/gfp.h:6,
from include/linux/umh.h:4,
from include/linux/kmod.h:9,
from include/linux/module.h:16,
from drivers/scsi/arcmsr/arcmsr_hba.c:47:
In function 'strncpy',
inlined from 'arcmsr_handle_virtual_command' at drivers/scsi/arcmsr/arcmsr_hba.c:3059:3:
include/linux/string.h:297:30: warning: '__builtin_strncpy' output truncated before terminating nul copying 4 bytes from a string of the same length [-Wstringop-truncation]
297 | #define __underlying_strncpy __builtin_strncpy
| ^
>> include/linux/string.h:307:9: note: in expansion of macro '__underlying_strncpy'
307 | return __underlying_strncpy(p, q, size);
| ^~~~~~~~~~~~~~~~~~~~
In function 'strncpy',
inlined from 'arcmsr_handle_virtual_command' at drivers/scsi/arcmsr/arcmsr_hba.c:3057:3:
include/linux/string.h:297:30: warning: '__builtin_strncpy' output truncated before terminating nul copying 16 bytes from a string of the same length [-Wstringop-truncation]
297 | #define __underlying_strncpy __builtin_strncpy
| ^
>> include/linux/string.h:307:9: note: in expansion of macro '__underlying_strncpy'
307 | return __underlying_strncpy(p, q, size);
| ^~~~~~~~~~~~~~~~~~~~
In function 'strncpy',
inlined from 'arcmsr_handle_virtual_command' at drivers/scsi/arcmsr/arcmsr_hba.c:3055:3:
include/linux/string.h:297:30: warning: '__builtin_strncpy' output truncated before terminating nul copying 8 bytes from a string of the same length [-Wstringop-truncation]
297 | #define __underlying_strncpy __builtin_strncpy
| ^
>> include/linux/string.h:307:9: note: in expansion of macro '__underlying_strncpy'
307 | return __underlying_strncpy(p, q, size);
| ^~~~~~~~~~~~~~~~~~~~
--
In file included from include/linux/bitmap.h:9,
from include/linux/nodemask.h:95,
from include/linux/mmzone.h:17,
from include/linux/gfp.h:6,
from include/linux/slab.h:15,
from drivers/scsi/pm8001/pm8001_sas.c:41:
In function 'strncpy',
inlined from 'pm8001_issue_ssp_tmf' at drivers/scsi/pm8001/pm8001_sas.c:919:2:
include/linux/string.h:297:30: warning: '__builtin_strncpy' specified bound 8 equals destination size [-Wstringop-truncation]
297 | #define __underlying_strncpy __builtin_strncpy
| ^
>> include/linux/string.h:307:9: note: in expansion of macro '__underlying_strncpy'
307 | return __underlying_strncpy(p, q, size);
| ^~~~~~~~~~~~~~~~~~~~
--
drivers/scsi/ips.c: In function 'ips_init_copperhead':
drivers/scsi/ips.c:4700:10: warning: variable 'ConfigByte' set but not used [-Wunused-but-set-variable]
4700 | uint8_t ConfigByte[IPS_MAX_CONFIG_BYTES];
| ^~~~~~~~~~
drivers/scsi/ips.c: In function 'ips_init_copperhead_memio':
drivers/scsi/ips.c:4794:10: warning: variable 'ConfigByte' set but not used [-Wunused-but-set-variable]
4794 | uint8_t ConfigByte[IPS_MAX_CONFIG_BYTES];
| ^~~~~~~~~~
drivers/scsi/ips.c: In function 'ips_init_phase1':
drivers/scsi/ips.c:6839:10: warning: variable 'func' set but not used [-Wunused-but-set-variable]
6839 | uint8_t func;
| ^~~~
drivers/scsi/ips.c:6838:10: warning: variable 'bus' set but not used [-Wunused-but-set-variable]
6838 | uint8_t bus;
| ^~~
In file included from arch/arm/include/asm/io.h:23,
from drivers/scsi/ips.c:164:
In function 'strncpy',
inlined from 'ips_send_cmd' at drivers/scsi/ips.c:3522:6:
include/linux/string.h:297:30: warning: '__builtin_strncpy' output truncated before terminating nul copying 4 bytes from a string of the same length [-Wstringop-truncation]
297 | #define __underlying_strncpy __builtin_strncpy
| ^
>> include/linux/string.h:307:9: note: in expansion of macro '__underlying_strncpy'
307 | return __underlying_strncpy(p, q, size);
| ^~~~~~~~~~~~~~~~~~~~
In function 'strncpy',
inlined from 'ips_send_cmd' at drivers/scsi/ips.c:3520:6:
include/linux/string.h:297:30: warning: '__builtin_strncpy' output truncated before terminating nul copying 16 bytes from a string of the same length [-Wstringop-truncation]
297 | #define __underlying_strncpy __builtin_strncpy
| ^
>> include/linux/string.h:307:9: note: in expansion of macro '__underlying_strncpy'
307 | return __underlying_strncpy(p, q, size);
| ^~~~~~~~~~~~~~~~~~~~
In function 'strncpy',
inlined from 'ips_send_cmd' at drivers/scsi/ips.c:3518:6:
include/linux/string.h:297:30: warning: '__builtin_strncpy' output truncated before terminating nul copying 8 bytes from a string of the same length [-Wstringop-truncation]
297 | #define __underlying_strncpy __builtin_strncpy
| ^
>> include/linux/string.h:307:9: note: in expansion of macro '__underlying_strncpy'
307 | return __underlying_strncpy(p, q, size);
| ^~~~~~~~~~~~~~~~~~~~
In function 'strncpy',
inlined from 'ips_inquiry' at drivers/scsi/ips.c:4041:2:
include/linux/string.h:297:30: warning: '__builtin_strncpy' output truncated before terminating nul copying 4 bytes from a string of the same length [-Wstringop-truncation]
297 | #define __underlying_strncpy __builtin_strncpy
| ^
>> include/linux/string.h:307:9: note: in expansion of macro '__underlying_strncpy'
307 | return __underlying_strncpy(p, q, size);
| ^~~~~~~~~~~~~~~~~~~~
In function 'strncpy',
inlined from 'ips_inquiry' at drivers/scsi/ips.c:4040:2:
include/linux/string.h:297:30: warning: '__builtin_strncpy' output truncated before terminating nul copying 16 bytes from a string of the same length [-Wstringop-truncation]
297 | #define __underlying_strncpy __builtin_strncpy
| ^
>> include/linux/string.h:307:9: note: in expansion of macro '__underlying_strncpy'
307 | return __underlying_strncpy(p, q, size);
| ^~~~~~~~~~~~~~~~~~~~
In function 'strncpy',
inlined from 'ips_inquiry' at drivers/scsi/ips.c:4039:2:
include/linux/string.h:297:30: warning: '__builtin_strncpy' output truncated before terminating nul copying 8 bytes from a string of the same length [-Wstringop-truncation]
297 | #define __underlying_strncpy __builtin_strncpy
| ^
>> include/linux/string.h:307:9: note: in expansion of macro '__underlying_strncpy'
307 | return __underlying_strncpy(p, q, size);
| ^~~~~~~~~~~~~~~~~~~~
In function 'strncpy',
inlined from 'ips_get_bios_version' at drivers/scsi/ips.c:2242:2:
include/linux/string.h:297:30: warning: '__builtin_strncpy' output truncated before terminating nul copying 8 bytes from a string of the same length [-Wstringop-truncation]
297 | #define __underlying_strncpy __builtin_strncpy
| ^
>> include/linux/string.h:307:9: note: in expansion of macro '__underlying_strncpy'
307 | return __underlying_strncpy(p, q, size);
| ^~~~~~~~~~~~~~~~~~~~
In function 'strncpy',
inlined from 'ips_write_driver_status' at drivers/scsi/ips.c:5626:2:
include/linux/string.h:297:30: warning: '__builtin_strncpy' output truncated before terminating nul copying 4 bytes from a string of the same length [-Wstringop-truncation]
297 | #define __underlying_strncpy __builtin_strncpy
| ^
>> include/linux/string.h:307:9: note: in expansion of macro '__underlying_strncpy'
307 | return __underlying_strncpy(p, q, size);
| ^~~~~~~~~~~~~~~~~~~~
In function 'strncpy',
inlined from 'ips_write_driver_status' at drivers/scsi/ips.c:5625:2:
include/linux/string.h:297:30: warning: '__builtin_strncpy' output truncated before terminating nul copying 4 bytes from a string of the same length [-Wstringop-truncation]
297 | #define __underlying_strncpy __builtin_strncpy
| ^
>> include/linux/string.h:307:9: note: in expansion of macro '__underlying_strncpy'
307 | return __underlying_strncpy(p, q, size);
| ^~~~~~~~~~~~~~~~~~~~
In function 'strncpy',
inlined from 'ips_write_driver_status' at drivers/scsi/ips.c:5627:2,
inlined from 'ips_hainit' at drivers/scsi/ips.c:2433:7:
include/linux/string.h:297:30: warning: '__builtin_strncpy' output may be truncated copying 4 bytes from a string of length 7 [-Wstringop-truncation]
297 | #define __underlying_strncpy __builtin_strncpy
| ^
>> include/linux/string.h:307:9: note: in expansion of macro '__underlying_strncpy'
307 | return __underlying_strncpy(p, q, size);
| ^~~~~~~~~~~~~~~~~~~~
In function 'strncpy',
inlined from 'ips_write_driver_status' at drivers/scsi/ips.c:5628:2,
inlined from 'ips_hainit' at drivers/scsi/ips.c:2433:7:
include/linux/string.h:297:30: warning: '__builtin_strncpy' specified bound 4 equals destination size [-Wstringop-truncation]
297 | #define __underlying_strncpy __builtin_strncpy
| ^
>> include/linux/string.h:307:9: note: in expansion of macro '__underlying_strncpy'
307 | return __underlying_strncpy(p, q, size);
| ^~~~~~~~~~~~~~~~~~~~
--
drivers/scsi/3w-sas.c: In function 'twl_scsiop_execute_scsi':
drivers/scsi/3w-sas.c:298:22: warning: variable 'sglist' set but not used [-Wunused-but-set-variable]
298 | struct scatterlist *sglist = NULL, *sg;
| ^~~~~~
drivers/scsi/3w-sas.c: In function 'twl_scsi_biosparam':
drivers/scsi/3w-sas.c:1411:23: warning: variable 'tw_dev' set but not used [-Wunused-but-set-variable]
1411 | TW_Device_Extension *tw_dev;
| ^~~~~~
In file included from include/linux/bitmap.h:9,
from include/linux/nodemask.h:95,
from include/linux/mmzone.h:17,
from include/linux/gfp.h:6,
from include/linux/umh.h:4,
from include/linux/kmod.h:9,
from include/linux/module.h:16,
from drivers/scsi/3w-sas.c:53:
In function 'strncpy',
inlined from 'twl_reset_sequence' at drivers/scsi/3w-sas.c:1331:3:
include/linux/string.h:297:30: warning: '__builtin_strncpy' output truncated before terminating nul copying 11 bytes from a string of the same length [-Wstringop-truncation]
297 | #define __underlying_strncpy __builtin_strncpy
| ^
>> include/linux/string.h:307:9: note: in expansion of macro '__underlying_strncpy'
307 | return __underlying_strncpy(p, q, size);
| ^~~~~~~~~~~~~~~~~~~~
--
In file included from include/linux/bitmap.h:9,
from include/linux/nodemask.h:95,
from include/linux/mmzone.h:17,
from include/linux/gfp.h:6,
from include/linux/slab.h:15,
from include/linux/crypto.h:19,
from include/crypto/hash.h:11,
from include/linux/uio.h:10,
from include/linux/socket.h:8,
from include/uapi/linux/if.h:25,
from include/scsi/libfc.h:12,
from drivers/scsi/libfc/fc_elsct.c:17:
In function 'strncpy',
inlined from 'fc_ct_ms_fill.constprop' at include/scsi/fc_encode.h:263:3:
include/linux/string.h:297:30: warning: '__builtin_strncpy' output may be truncated copying 64 bytes from a string of length 79 [-Wstringop-truncation]
297 | #define __underlying_strncpy __builtin_strncpy
| ^
>> include/linux/string.h:307:9: note: in expansion of macro '__underlying_strncpy'
307 | return __underlying_strncpy(p, q, size);
| ^~~~~~~~~~~~~~~~~~~~
In function 'strncpy',
inlined from 'fc_ct_ms_fill.constprop' at include/scsi/fc_encode.h:275:3:
include/linux/string.h:297:30: warning: '__builtin_strncpy' output may be truncated copying 64 bytes from a string of length 79 [-Wstringop-truncation]
297 | #define __underlying_strncpy __builtin_strncpy
| ^
>> include/linux/string.h:307:9: note: in expansion of macro '__underlying_strncpy'
307 | return __underlying_strncpy(p, q, size);
| ^~~~~~~~~~~~~~~~~~~~
vim +/__underlying_strncpy +307 include/linux/string.h
299
300 __FORTIFY_INLINE char *strncpy(char *p, const char *q, __kernel_size_t size)
301 {
302 size_t p_size = __builtin_object_size(p, 0);
303 if (__builtin_constant_p(size) && p_size < size)
304 __write_overflow();
305 if (p_size < size)
306 fortify_panic(__func__);
> 307 return __underlying_strncpy(p, q, size);
308 }
309
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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next reply other threads:[~2020-05-19 9:24 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-19 9:23 kbuild test robot [this message]
2020-05-19 14:42 ` Daniel Axtens
2020-05-20 1:48 ` Andrew Morton
2020-05-20 2:08 ` Martin K. Petersen
2020-05-20 3:57 ` Daniel Axtens
2020-05-19 14:42 ` Daniel Axtens
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