linux-kernel - linux-next: build failure after merge of the akpm tree

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Date:   Tue, 1 Aug 2017 16:25:11 +1000
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Andrew Morton <akpm@...ux-foundation.org>,
        Kees Cook <keescook@...omium.org>
Cc:     Linux-Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: linux-next: build failure after merge of the akpm tree

Hi Andrew,

After merging the akpm tree, today's linux-next build (powerpc
allyesconfig) failed like this:

In file included from arch/powerpc/include/asm/paca.h:19:0,
                 from arch/powerpc/include/asm/hw_irq.h:42,
                 from arch/powerpc/include/asm/irqflags.h:11,
                 from include/linux/irqflags.h:15,
                 from include/linux/spinlock.h:53,
                 from include/linux/wait.h:8,
                 from include/linux/wait_bit.h:7,
                 from include/linux/fs.h:5,
                 from include/linux/buffer_head.h:11,
                 from fs/adfs/dir_f.c:12:
In function 'memcpy',
    inlined from '__adfs_dir_put' at fs/adfs/dir_f.c:318:2,
    inlined from 'adfs_f_update' at fs/adfs/dir_f.c:403:2:
include/linux/string.h:305:4: error: call to '__read_overflow2' declared with attribute error: detected read beyond size of object passed as 2nd parameter
    __read_overflow2();
    ^

I don't know why this has turned up now.  I have just left it broken
for now and would appreciate any fix.

-- 
Cheers,
Stephen Rothwell