linux-kernel - Re: [next-20250226]Build Failure

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Message-ID: <cdd5dc55-4674-40fa-80d3-f6a6688c0d97@linux.vnet.ibm.com>
Date: Thu, 27 Feb 2025 19:17:33 +0530
From: Venkat Rao Bagalkote <venkat88@...ux.vnet.ibm.com>
To: Christophe Leroy <christophe.leroy@...roup.eu>,
        Stephen Rothwell <sfr@...b.auug.org.au>
Cc: linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        Kees Cook <kees@...nel.org>
Subject: Re: [next-20250226]Build Failure

Hello,


Attached is the .config file.

This is being run on IBM Power8 system in PowerVM mode, as a full system 
LPAR.

Regards,

Venkat.

On 27/02/25 4:13 pm, Christophe Leroy wrote:
>
>
> Le 27/02/2025 à 02:38, Stephen Rothwell a écrit :
>> Hi Venkat,
>>
>> CC Kees Cook for advice.  This is a result of the tests added in commit
>>
>>    bbeb38b8487a ("string.h: Validate memtostr*()/strtomem*() 
>> arguments more carefully")
>>
>> from the kspp tree.
>>
>> I note that the comment about memtostr() says "Copy a possibly
>> non-NUL-term string".
>
> Can you tell more about your config and your environment ?
>
> I just tested with ppc64_defconfig and ppc64le_defconfig, with gcc 
> 12.4, gcc 13.2 and gcc 14.2 and didn't get that build error.
>
> Christophe
>
>>
>> On Thu, 27 Feb 2025 06:30:12 +0530 Venkat Rao Bagalkote 
>> <venkat88@...ux.vnet.ibm.com> wrote:
>>>
>>> I am seeing build failures with kernel next-20250226, on IBM Power8 
>>> systems.
>>>
>>> Failures:
>>>
>>> In file included from ./include/asm-generic/div64.h:27,
>>>                    from ./arch/powerpc/include/generated/asm/div64.h:1,
>>>                    from ./include/linux/math.h:6,
>>>                    from ./include/linux/math64.h:6,
>>>                    from ./include/linux/time.h:6,
>>>                    from fs/ext4/file.c:22:
>>> fs/ext4/file.c: In function 'ext4_sample_last_mounted':
>>> ./include/linux/compiler.h:197:62: error: static assertion failed: 
>>> "must be non-C-string (not NUL-terminated)"
>>>    #define __BUILD_BUG_ON_ZERO_MSG(e, msg) ((int)sizeof(struct 
>>> {_Static_assert(!(e), msg);}))
>>> ^~~~~~~~~~~~~~
>>> ./include/linux/compiler.h:226:2: note: in expansion of macro 
>>> '__BUILD_BUG_ON_ZERO_MSG'
>>>     __BUILD_BUG_ON_ZERO_MSG(!__is_noncstr(p), \
>>>     ^~~~~~~~~~~~~~~~~~~~~~~
>>> ./include/linux/string.h:418:6: note: in expansion of macro 
>>> '__must_be_noncstr'
>>>         __must_be_noncstr(dest) +  \
>>>         ^~~~~~~~~~~~~~~~~
>>> fs/ext4/file.c:869:2: note: in expansion of macro 'strtomem_pad'
>>>     strtomem_pad(sbi->s_es->s_last_mounted, cp, 0);
>>>     ^~~~~~~~~~~~
>>> In file included from ./include/linux/build_bug.h:5,
>>>                    from ./include/linux/container_of.h:5,
>>>                    from ./include/linux/list.h:5,
>>>                    from ./include/linux/module.h:12,
>>>                    from drivers/message/fusion/mptsas.c:46:
>>> drivers/message/fusion/mptsas.c: In function 
>>> 'mptsas_exp_repmanufacture_info':
>>> ./include/linux/compiler.h:197:62: error: static assertion failed: 
>>> "must be non-C-string (not NUL-terminated)"
>>>    #define __BUILD_BUG_ON_ZERO_MSG(e, msg) ((int)sizeof(struct 
>>> {_Static_assert(!(e), msg);}))
>>> ^~~~~~~~~~~~~~
>>> ./include/linux/compiler.h:226:2: note: in expansion of macro 
>>> '__BUILD_BUG_ON_ZERO_MSG'
>>>     __BUILD_BUG_ON_ZERO_MSG(!__is_noncstr(p), \
>>>     ^~~~~~~~~~~~~~~~~~~~~~~
>>> ./include/linux/string.h:468:26: note: in expansion of macro 
>>> '__must_be_noncstr'
>>>     const size_t _src_len = __must_be_noncstr(src) +  \
>>>                             ^~~~~~~~~~~~~~~~~
>>> drivers/message/fusion/mptsas.c:2968:3: note: in expansion of macro 
>>> 'memtostr'
>>>      memtostr(edev->vendor_id, manufacture_reply->vendor_id);
>>>      ^~~~~~~~
>>> ./include/linux/compiler.h:197:62: error: static assertion failed: 
>>> "must be non-C-string (not NUL-terminated)"
>>>    #define __BUILD_BUG_ON_ZERO_MSG(e, msg) ((int)sizeof(struct 
>>> {_Static_assert(!(e), msg);}))
>>> ^~~~~~~~~~~~~~
>>> ./include/linux/compiler.h:226:2: note: in expansion of macro 
>>> '__BUILD_BUG_ON_ZERO_MSG'
>>>     __BUILD_BUG_ON_ZERO_MSG(!__is_noncstr(p), \
>>>     ^~~~~~~~~~~~~~~~~~~~~~~
>>> ./include/linux/string.h:468:26: note: in expansion of macro 
>>> '__must_be_noncstr'
>>>     const size_t _src_len = __must_be_noncstr(src) +  \
>>>                             ^~~~~~~~~~~~~~~~~
>>> drivers/message/fusion/mptsas.c:2969:3: note: in expansion of macro 
>>> 'memtostr'
>>>      memtostr(edev->product_id, manufacture_reply->product_id);
>>>      ^~~~~~~~
>>> ./include/linux/compiler.h:197:62: error: static assertion failed: 
>>> "must be non-C-string (not NUL-terminated)"
>>>    #define __BUILD_BUG_ON_ZERO_MSG(e, msg) ((int)sizeof(struct 
>>> {_Static_assert(!(e), msg);}))
>>> ^~~~~~~~~~~~~~
>>> ./include/linux/compiler.h:226:2: note: in expansion of macro 
>>> '__BUILD_BUG_ON_ZERO_MSG'
>>>     __BUILD_BUG_ON_ZERO_MSG(!__is_noncstr(p), \
>>>     ^~~~~~~~~~~~~~~~~~~~~~~
>>> ./include/linux/string.h:468:26: note: in expansion of macro 
>>> '__must_be_noncstr'
>>>     const size_t _src_len = __must_be_noncstr(src) +  \
>>>                             ^~~~~~~~~~~~~~~~~
>>> drivers/message/fusion/mptsas.c:2970:3: note: in expansion of macro 
>>> 'memtostr'
>>>      memtostr(edev->product_rev, manufacture_reply->product_rev);
>>>      ^~~~~~~~
>>> ./include/linux/compiler.h:197:62: error: static assertion failed: 
>>> "must be non-C-string (not NUL-terminated)"
>>>    #define __BUILD_BUG_ON_ZERO_MSG(e, msg) ((int)sizeof(struct 
>>> {_Static_assert(!(e), msg);}))
>>> ^~~~~~~~~~~~~~
>>> ./include/linux/compiler.h:226:2: note: in expansion of macro 
>>> '__BUILD_BUG_ON_ZERO_MSG'
>>>     __BUILD_BUG_ON_ZERO_MSG(!__is_noncstr(p), \
>>>     ^~~~~~~~~~~~~~~~~~~~~~~
>>> ./include/linux/string.h:468:26: note: in expansion of macro 
>>> '__must_be_noncstr'
>>>     const size_t _src_len = __must_be_noncstr(src) +  \
>>>                             ^~~~~~~~~~~~~~~~~
>>> drivers/message/fusion/mptsas.c:2973:4: note: in expansion of macro 
>>> 'memtostr'
>>>       memtostr(edev->component_vendor_id,
>>>       ^~~~~~~~
>>> make[4]: *** [scripts/Makefile.build:203: fs/ext4/file.o] Error 1
>>> make[3]: *** [scripts/Makefile.build:461: fs/ext4] Error 2
>>> make[3]: *** Waiting for unfinished jobs....
>>> In file included from ./include/linux/array_size.h:5,
>>>                    from ./include/linux/kernel.h:16,
>>>                    from drivers/scsi/mpt3sas/mpt3sas_base.c:46:
>>> drivers/scsi/mpt3sas/mpt3sas_base.c: In function 
>>> '_base_display_ioc_capabilities':
>>> ./include/linux/compiler.h:197:62: error: static assertion failed: 
>>> "must be non-C-string (not NUL-terminated)"
>>>    #define __BUILD_BUG_ON_ZERO_MSG(e, msg) ((int)sizeof(struct 
>>> {_Static_assert(!(e), msg);}))
>>> ^~~~~~~~~~~~~~
>>> ./include/linux/compiler.h:226:2: note: in expansion of macro 
>>> '__BUILD_BUG_ON_ZERO_MSG'
>>>     __BUILD_BUG_ON_ZERO_MSG(!__is_noncstr(p), \
>>>     ^~~~~~~~~~~~~~~~~~~~~~~
>>> ./include/linux/string.h:468:26: note: in expansion of macro 
>>> '__must_be_noncstr'
>>>     const size_t _src_len = __must_be_noncstr(src) +  \
>>>                             ^~~~~~~~~~~~~~~~~
>>> drivers/scsi/mpt3sas/mpt3sas_base.c:4798:2: note: in expansion of 
>>> macro 'memtostr'
>>>     memtostr(desc, ioc->manu_pg0.ChipName);
>>>     ^~~~~~~~
>>> In file included from ./include/linux/build_bug.h:5,
>>>                    from ./include/linux/container_of.h:5,
>>>                    from ./include/linux/list.h:5,
>>>                    from ./include/linux/module.h:12,
>>>                    from drivers/scsi/mpt3sas/mpt3sas_transport.c:45:
>>> drivers/scsi/mpt3sas/mpt3sas_transport.c: In function 
>>> '_transport_expander_report_manufacture':
>>> ./include/linux/compiler.h:197:62: error: static assertion failed: 
>>> "must be non-C-string (not NUL-terminated)"
>>>    #define __BUILD_BUG_ON_ZERO_MSG(e, msg) ((int)sizeof(struct 
>>> {_Static_assert(!(e), msg);}))
>>> ^~~~~~~~~~~~~~
>>> ./include/linux/compiler.h:226:2: note: in expansion of macro 
>>> '__BUILD_BUG_ON_ZERO_MSG'
>>>     __BUILD_BUG_ON_ZERO_MSG(!__is_noncstr(p), \
>>>     ^~~~~~~~~~~~~~~~~~~~~~~
>>> ./include/linux/string.h:468:26: note: in expansion of macro 
>>> '__must_be_noncstr'
>>>     const size_t _src_len = __must_be_noncstr(src) +  \
>>>                             ^~~~~~~~~~~~~~~~~
>>> drivers/scsi/mpt3sas/mpt3sas_transport.c:461:3: note: in expansion 
>>> of macro 'memtostr'
>>>      memtostr(edev->vendor_id, manufacture_reply->vendor_id);
>>>      ^~~~~~~~
>>> ./include/linux/compiler.h:197:62: error: static assertion failed: 
>>> "must be non-C-string (not NUL-terminated)"
>>>    #define __BUILD_BUG_ON_ZERO_MSG(e, msg) ((int)sizeof(struct 
>>> {_Static_assert(!(e), msg);}))
>>> ^~~~~~~~~~~~~~
>>> ./include/linux/compiler.h:226:2: note: in expansion of macro 
>>> '__BUILD_BUG_ON_ZERO_MSG'
>>>     __BUILD_BUG_ON_ZERO_MSG(!__is_noncstr(p), \
>>>     ^~~~~~~~~~~~~~~~~~~~~~~
>>> ./include/linux/string.h:468:26: note: in expansion of macro 
>>> '__must_be_noncstr'
>>>     const size_t _src_len = __must_be_noncstr(src) +  \
>>>                             ^~~~~~~~~~~~~~~~~
>>> drivers/scsi/mpt3sas/mpt3sas_transport.c:462:3: note: in expansion 
>>> of macro 'memtostr'
>>>      memtostr(edev->product_id, manufacture_reply->product_id);
>>>      ^~~~~~~~
>>> ./include/linux/compiler.h:197:62: error: static assertion failed: 
>>> "must be non-C-string (not NUL-terminated)"
>>>    #define __BUILD_BUG_ON_ZERO_MSG(e, msg) ((int)sizeof(struct 
>>> {_Static_assert(!(e), msg);}))
>>> ^~~~~~~~~~~~~~
>>> ./include/linux/compiler.h:226:2: note: in expansion of macro 
>>> '__BUILD_BUG_ON_ZERO_MSG'
>>>     __BUILD_BUG_ON_ZERO_MSG(!__is_noncstr(p), \
>>>     ^~~~~~~~~~~~~~~~~~~~~~~
>>> ./include/linux/string.h:468:26: note: in expansion of macro 
>>> '__must_be_noncstr'
>>>     const size_t _src_len = __must_be_noncstr(src) +  \
>>>                             ^~~~~~~~~~~~~~~~~
>>> drivers/scsi/mpt3sas/mpt3sas_transport.c:463:3: note: in expansion 
>>> of macro 'memtostr'
>>>      memtostr(edev->product_rev, manufacture_reply->product_rev);
>>>      ^~~~~~~~
>>> ./include/linux/compiler.h:197:62: error: static assertion failed: 
>>> "must be non-C-string (not NUL-terminated)"
>>>    #define __BUILD_BUG_ON_ZERO_MSG(e, msg) ((int)sizeof(struct 
>>> {_Static_assert(!(e), msg);}))
>>> ^~~~~~~~~~~~~~
>>> ./include/linux/compiler.h:226:2: note: in expansion of macro 
>>> '__BUILD_BUG_ON_ZERO_MSG'
>>>     __BUILD_BUG_ON_ZERO_MSG(!__is_noncstr(p), \
>>>     ^~~~~~~~~~~~~~~~~~~~~~~
>>> ./include/linux/string.h:468:26: note: in expansion of macro 
>>> '__must_be_noncstr'
>>>     const size_t _src_len = __must_be_noncstr(src) +  \
>>>                             ^~~~~~~~~~~~~~~~~
>>> drivers/scsi/mpt3sas/mpt3sas_transport.c:466:4: note: in expansion 
>>> of macro 'memtostr'
>>>       memtostr(edev->component_vendor_id,
>>>       ^~~~~~~~
>>> make[5]: *** [scripts/Makefile.build:203: 
>>> drivers/scsi/mpt3sas/mpt3sas_transport.o] Error 1
>>> make[5]: *** Waiting for unfinished jobs....
>>> make[5]: *** [scripts/Makefile.build:203: 
>>> drivers/message/fusion/mptsas.o] Error 1
>>> make[4]: *** [scripts/Makefile.build:461: drivers/message/fusion] 
>>> Error 2
>>> make[3]: *** [scripts/Makefile.build:461: drivers/message] Error 2
>>> make[3]: *** Waiting for unfinished jobs....
>>> make[5]: *** [scripts/Makefile.build:203: 
>>> drivers/scsi/mpt3sas/mpt3sas_base.o] Error 1
>>> In file included from ./include/linux/array_size.h:5,
>>>                    from ./include/linux/kernel.h:16,
>>>                    from drivers/scsi/qla2xxx/qla_def.h:9,
>>>                    from drivers/scsi/qla2xxx/qla_mr.c:6:
>>> drivers/scsi/qla2xxx/qla_mr.c: In function 'qlafx00_fx_disc':
>>> ./include/linux/compiler.h:197:62: error: static assertion failed: 
>>> "must be non-C-string (not NUL-terminated)"
>>>    #define __BUILD_BUG_ON_ZERO_MSG(e, msg) ((int)sizeof(struct 
>>> {_Static_assert(!(e), msg);}))
>>> ^~~~~~~~~~~~~~
>>> ./include/linux/compiler.h:226:2: note: in expansion of macro 
>>> '__BUILD_BUG_ON_ZERO_MSG'
>>>     __BUILD_BUG_ON_ZERO_MSG(!__is_noncstr(p), \
>>>     ^~~~~~~~~~~~~~~~~~~~~~~
>>> ./include/linux/string.h:468:26: note: in expansion of macro 
>>> '__must_be_noncstr'
>>>     const size_t _src_len = __must_be_noncstr(src) +  \
>>>                             ^~~~~~~~~~~~~~~~~
>>> drivers/scsi/qla2xxx/qla_mr.c:1912:3: note: in expansion of macro 
>>> 'memtostr'
>>>      memtostr(vha->hw->model_number, pinfo->model_num);
>>>      ^~~~~~~~
>>> ./include/linux/compiler.h:197:62: error: static assertion failed: 
>>> "must be non-C-string (not NUL-terminated)"
>>>    #define __BUILD_BUG_ON_ZERO_MSG(e, msg) ((int)sizeof(struct 
>>> {_Static_assert(!(e), msg);}))
>>> ^~~~~~~~~~~~~~
>>> ./include/linux/compiler.h:226:2: note: in expansion of macro 
>>> '__BUILD_BUG_ON_ZERO_MSG'
>>>     __BUILD_BUG_ON_ZERO_MSG(!__is_noncstr(p), \
>>>     ^~~~~~~~~~~~~~~~~~~~~~~
>>> ./include/linux/string.h:468:26: note: in expansion of macro 
>>> '__must_be_noncstr'
>>>     const size_t _src_len = __must_be_noncstr(src) +  \
>>>                             ^~~~~~~~~~~~~~~~~
>>> drivers/scsi/qla2xxx/qla_mr.c:1913:3: note: in expansion of macro 
>>> 'memtostr'
>>>      memtostr(vha->hw->model_desc, pinfo->model_description);
>>>      ^~~~~~~~
>>> make[5]: *** [scripts/Makefile.build:203: 
>>> drivers/scsi/qla2xxx/qla_mr.o] Error 1
>>> make[5]: *** Waiting for unfinished jobs....
>>> make[2]: *** [scripts/Makefile.build:461: fs] Error 2
>>> make[2]: *** Waiting for unfinished jobs....
>>> make[4]: *** [scripts/Makefile.build:461: drivers/scsi/mpt3sas] Error 2
>>> make[4]: *** Waiting for unfinished jobs....
>>> make[4]: *** [scripts/Makefile.build:461: drivers/scsi/qla2xxx] Error 2
>>> make[3]: *** [scripts/Makefile.build:461: drivers/scsi] Error 2
>>> make[2]: *** [scripts/Makefile.build:461: drivers] Error 2
>>> make[1]: *** [/root/linux-next/Makefile:1989: .] Error 2
>>> make: *** [Makefile:251: __sub-make] Error 2
>>
>
>
View attachment "config_ci3" of type "text/plain" (185281 bytes)