Re: [PATCH 6.1 000/600] 6.1.53-rc1 review

[Daniel Díaz]

Hello!

On 11/09/23 7:40 a. m., Greg Kroah-Hartman wrote:
> This is the start of the stable review cycle for the 6.1.53 release.
> There are 600 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 Wed, 13 Sep 2023 13:44:56 +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-6.1.53-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-6.1.y
> and the diffstat can be found below.
>
> thanks,
>
> greg k-h

We're seeing this new warning:
-----8<-----
  /builds/linux/fs/udf/inode.c:892:6: warning: variable 'newblock' is used uninitialized whenever 'if' condition is true [-Wsometimes-uninitialized]
    892 |         if (*err < 0)
        |             ^~~~~~~~
  /builds/linux/fs/udf/inode.c:914:9: note: uninitialized use occurs here
    914 |         return newblock;
        |                ^~~~~~~~
  /builds/linux/fs/udf/inode.c:892:2: note: remove the 'if' if its condition is always false
    892 |         if (*err < 0)
        |         ^~~~~~~~~~~~~
    893 |                 goto out_free;
        |                 ~~~~~~~~~~~~~
  /builds/linux/fs/udf/inode.c:699:34: note: initialize the variable 'newblock' to silence this warning
    699 |         udf_pblk_t newblocknum, newblock;
        |                                         ^
        |                                          = 0
  1 warning generated.
----->8-----

That's with Clang 17 (and nightly) on:
* arm
* powerpc
* s390

Greetings!

Daniel Díaz
daniel.diaz@xxxxxxxxxx