linux-kernel - Re: linux-next: build failure after merge of the scsi-mkp tree

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Date:   Mon, 29 Aug 2022 14:54:51 +1000
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     "Martin K. Petersen" <martin.petersen@...cle.com>
Cc:     Sreekanth Reddy <sreekanth.reddy@...adcom.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: Re: linux-next: build failure after merge of the scsi-mkp tree

Hi all,

On Wed, 24 Aug 2022 11:50:57 +1000 Stephen Rothwell <sfr@...b.auug.org.au> wrote:
> 
> After merging the scsi-mkp tree, today's linux-next build (x86_64
> allmodconfig) failed like this:
> 
> In file included from include/linux/bitmap.h:9,
>                  from include/linux/cpumask.h:12,
>                  from arch/x86/include/asm/cpumask.h:5,
>                  from arch/x86/include/asm/msr.h:11,
>                  from arch/x86/include/asm/processor.h:22,
>                  from arch/x86/include/asm/cpufeature.h:5,
>                  from arch/x86/include/asm/thread_info.h:53,
>                  from include/linux/thread_info.h:60,
>                  from arch/x86/include/asm/preempt.h:7,
>                  from include/linux/preempt.h:78,
>                  from include/linux/spinlock.h:55,
>                  from include/linux/wait.h:9,
>                  from include/linux/wait_bit.h:8,
>                  from include/linux/fs.h:6,
>                  from include/linux/highmem.h:5,
>                  from include/linux/bvec.h:10,
>                  from include/linux/blk_types.h:10,
>                  from include/linux/blkdev.h:9,
>                  from drivers/scsi/mpi3mr/mpi3mr.h:13,
>                  from drivers/scsi/mpi3mr/mpi3mr_transport.c:10:
> drivers/scsi/mpi3mr/mpi3mr_transport.c: In function 'mpi3mr_update_mr_sas_port':
> include/linux/find.h:40:23: error: array subscript 'long unsigned int[0]' is partly outside array bounds of 'u32[1]' {aka 'unsigned int[1]'} [-Werror=array-bounds]
>    40 |                 val = *addr & GENMASK(size - 1, offset);
>       |                       ^~~~~
> drivers/scsi/mpi3mr/mpi3mr_transport.c:1610:27: note: while referencing 'phys_to_be_added'
>  1610 |         u32 phy_mask_xor, phys_to_be_added, phys_to_be_removed;
>       |                           ^~~~~~~~~~~~~~~~
> In file included from include/linux/bitmap.h:9,
>                  from include/linux/cpumask.h:12,
>                  from arch/x86/include/asm/cpumask.h:5,
>                  from arch/x86/include/asm/msr.h:11,
>                  from arch/x86/include/asm/processor.h:22,
>                  from arch/x86/include/asm/cpufeature.h:5,
>                  from arch/x86/include/asm/thread_info.h:53,
>                  from include/linux/thread_info.h:60,
>                  from arch/x86/include/asm/preempt.h:7,
>                  from include/linux/preempt.h:78,
>                  from include/linux/spinlock.h:55,
>                  from include/linux/wait.h:9,
>                  from include/linux/wait_bit.h:8,
>                  from include/linux/fs.h:6,
>                  from include/linux/highmem.h:5,
>                  from include/linux/bvec.h:10,
>                  from include/linux/blk_types.h:10,
>                  from include/linux/blkdev.h:9,
>                  from drivers/scsi/mpi3mr/mpi3mr.h:13,
>                  from drivers/scsi/mpi3mr/mpi3mr_transport.c:10:
> include/linux/find.h:40:23: error: array subscript 'long unsigned int[0]' is partly outside array bounds of 'u32[1]' {aka 'unsigned int[1]'} [-Werror=array-bounds]
>    40 |                 val = *addr & GENMASK(size - 1, offset);
>       |                       ^~~~~
> drivers/scsi/mpi3mr/mpi3mr_transport.c:1610:45: note: while referencing 'phys_to_be_removed'
>  1610 |         u32 phy_mask_xor, phys_to_be_added, phys_to_be_removed;
>       |                                             ^~~~~~~~~~~~~~~~~~
> cc1: all warnings being treated as errors
> 
> Caused by commit
> 
>   434726c4b89c ("scsi: mpi3mr: Refresh SAS ports during soft reset")
> 
> I have used the scsi-mkp tree from next-20220823 for today.

I am still seeing this failure.

-- 
Cheers,
Stephen Rothwell

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