Re: [PATCH 6.6 00/49] 6.6.10-rc1 review

From: "Daniel Díaz" <daniel.diaz@linaro.org>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>, stable@vger.kernel.org
Cc: patches@lists.linux.dev, linux-kernel@vger.kernel.org,
	torvalds@linux-foundation.org, akpm@linux-foundation.org,
	linux@roeck-us.net, shuah@kernel.org, patches@kernelci.org,
	lkft-triage@lists.linaro.org, pavel@denx.de,
	jonathanh@nvidia.com, f.fainelli@gmail.com,
	sudipm.mukherjee@gmail.com, srw@sladewatkins.net, rwarsow@gmx.de,
	conor@kernel.org, allen.lkml@gmail.com
Subject: Re: [PATCH 6.6 00/49] 6.6.10-rc1 review
Date: Wed, 3 Jan 2024 22:10:08 -0600	[thread overview]
Message-ID: <99fe3993-51b5-4284-8a22-869764f393d8@linaro.org> (raw)
In-Reply-To: <20240103164834.970234661@linuxfoundation.org>

Hello!

On 03/01/24 10:55 a. m., Greg Kroah-Hartman wrote:
> This is the start of the stable review cycle for the 6.6.10 release.
> There are 49 patches in this series, all will be posted as a response
> to this one.  If anyone has any issues with these being applied, please
> let me know.
> 
> Responses should be made by Fri, 05 Jan 2024 16:47:49 +0000.
> Anything received after that time might be too late.
> 
> The whole patch series can be found in one patch at:
> 	https://www.kernel.org/pub/linux/kernel/v6.x/stable-review/patch-6.6.10-rc1.gz
> or in the git tree and branch at:
> 	git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-6.6.y
> and the diffstat can be found below.
> 
> thanks,
> 
> greg k-h

We're seeing a build regression with x86/GCC-8 and allmodconfig:

-----8<-----
   In file included from /builds/linux/include/linux/string.h:294,
                    from /builds/linux/include/linux/bitmap.h:11,
                    from /builds/linux/include/linux/cpumask.h:12,
                    from /builds/linux/arch/x86/include/asm/paravirt.h:17,
                    from /builds/linux/arch/x86/include/asm/cpuid.h:62,
                    from /builds/linux/arch/x86/include/asm/processor.h:19,
                    from /builds/linux/arch/x86/include/asm/cpufeature.h:5,
                    from /builds/linux/arch/x86/include/asm/thread_info.h:53,
                    from /builds/linux/include/linux/thread_info.h:60,
                    from /builds/linux/include/linux/uio.h:9,
                    from /builds/linux/include/linux/socket.h:8,
                    from /builds/linux/include/uapi/linux/if.h:25,
                    from /builds/linux/net/wireless/nl80211.c:11:
   In function 'nl80211_set_cqm_rssi.isra.44',
       inlined from 'nl80211_set_cqm' at /builds/linux/net/wireless/nl80211.c:13000:10:
   /builds/linux/include/linux/fortify-string.h:57:29: error: '__builtin_memcpy' pointer overflow between offset 36 and size [-1, 9223372036854775807] [-Werror=array-bounds]
    #define __underlying_memcpy __builtin_memcpy
                                ^
   /builds/linux/include/linux/fortify-string.h:648:2: note: in expansion of macro '__underlying_memcpy'
     __underlying_##op(p, q, __fortify_size);   \
     ^~~~~~~~~~~~~
   /builds/linux/include/linux/fortify-string.h:693:26: note: in expansion of macro '__fortify_memcpy_chk'
    #define memcpy(p, q, s)  __fortify_memcpy_chk(p, q, s,   \
                             ^~~~~~~~~~~~~~~~~~~~
   /builds/linux/net/wireless/nl80211.c:12939:3: note: in expansion of macro 'memcpy'
      memcpy(cqm_config->rssi_thresholds, thresholds,
      ^~~~~~
   cc1: all warnings being treated as errors
   make[5]: *** [/builds/linux/scripts/Makefile.build:243: net/wireless/nl80211.o] Error 1
----->8-----

This is currently being bisected, so there is more to follow.

Reported-by: Linux Kernel Functional Testing <lkft@linaro.org>

Greetings!

Daniel Díaz
daniel.diaz@linaro.org