virt_to_phys outside array bounds warning (GCC 12.1.0)

[Bagas Sanjaya]

On 6/8/22 16:28, Krzysztof Kozlowski wrote:
> On 08/06/2022 10:39, Bagas Sanjaya wrote:
>> Hi everyone,
>>
>> When cross-compiling arm 5.19-rc1 kernel using GCC 12.1.0 (armv7 with neon
>> fpu, multi_v7_defconfig), I got outside array bounds warning pointing to
>> virt_to_phys() macro:
>>
> 
> Thanks for the report!
> 
> I think this was already reported:
> https://lore.kernel.org/all/CAK8P3a3X0UwQiVNZqvGmSKi8BX6zg=k07+9Q3rDGqHVkc8Hdsg@mail.gmail.com/
> 

The report above is for arm64, but similar to this report (arm report).

> Anyway, for the future:
> I don't think the CC list matches the problem. Please bisect this issue
> (since it is reproducible build time, it should be straightforward) to
> find offending commit and then Cc responsible people and maintainers
> (scripts/get_maintainer.pl). Ccing half-random people might not get
> necessary attention.
> 

I think the most likely culprit is commit 37efe6427dd50e ("[ARM] use asm/sections.h")
and 14c4a533e0996f ("ARM: 8583/1: mm: fix location of _etext").


Thanks.

-- 
An old man doll... just what I always wanted! - Clara