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

[Daniel Díaz]

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@xxxxxxxxxx>

Greetings!

Daniel Díaz
daniel.diaz@xxxxxxxxxx