linux-kernel - Re: linux-next: build warning after merge of the mm tree

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:   Thu, 5 May 2022 23:18:44 +0100
From:   Matthew Wilcox <willy@...radead.org>
To:     Stephen Rothwell <sfr@...b.auug.org.au>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: Re: linux-next: build warning after merge of the mm tree

On Fri, May 06, 2022 at 07:35:37AM +1000, Stephen Rothwell wrote:
> Hi all,
> 
> After merging the mm tree, today's linux-next build (i386 allmodconfig
> clang14) produced this warning:
> 
> mm/shmem.c:1704:7: error: variable 'folio' is used uninitialized whenever 'if' condition is true [-Werror,-Wsometimes-uninitialized]
> 
> Introduced by commit
> 
>   2b58b3f33ba2 ("mm/shmem: convert shmem_swapin_page() to shmem_swapin_folio()")
> 
> 'folio' is used in the error path.

I sent a repacement series here:

https://lore.kernel.org/linux-mm/20220504182857.4013401-1-willy@infradead.org/T/#t

I presume Andrew has not had a chance to integrate it yet.  LSF/MM was
exhausting!