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Sender: Guenter Roeck <groeck7@gmail.com>
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Date:   Mon, 9 Jan 2023 15:14:16 -0800
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Subject: Re: Linux 6.2-rc3
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To:     Linus Torvalds <torvalds@linux-foundation.org>,
        Marco Elver <elver@google.com>,
        "Paul E. McKenney" <paulmck@kernel.org>,
        Peter Zijlstra <peterz@infradead.org>,
        Kees Cook <kees@kernel.org>, Jaegeuk Kim <jaegeuk@kernel.org>,
        Vlastimil Babka <vbabka@suse.cz>
Cc:     Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
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From:   Guenter Roeck <linux@roeck-us.net>
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On 1/9/23 14:18, Linus Torvalds wrote:
> On Mon, Jan 9, 2023 at 11:47 AM Guenter Roeck <linux@roeck-us.net> wrote:
>>
>> fs/f2fs/inline.c: In function 'f2fs_move_inline_dirents':
>> include/linux/fortify-string.h:59:33: error: '__builtin_memset' pointer overflow between offset [28, 898293814] and size [-898293787, -1] [-Werror=array-bounds]
> 
> Ok, I guess we'll have to disable this gcc warning for this version
> again. I don't think anybody figured out why it happens. We had
> several people look at it (Kees, Vlastimil, Jaegeuk) and I think
> everybody ended up going "tis looks like a compiler thing".
> 
> Does anybody remember - what was the compiler version again and what
> do we need to disable?
> 

I currently run my build tests with gcc 11.3. There is "config CC_NO_ARRAY_BOUNDS"
which disables it for gcc 12.

Guenter