linux-kernel - Re: [git pull] xtensa csum regression fix

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Message-ID: <20200724182449.GO2786714@ZenIV.linux.org.uk>
Date:   Fri, 24 Jul 2020 19:24:49 +0100
From:   Al Viro <viro@...iv.linux.org.uk>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     linux-kernel@...r.kernel.org
Subject: Re: [git pull] xtensa csum regression fix

On Fri, Jul 24, 2020 at 07:16:44PM +0100, Al Viro wrote:

Argh...  Sorry, hit send too early; the missing summary would be

	Max Filippov has caught a breakage introduced in xtensa this
cycle by the csum_and_copy_..._user() series.  Cut'n'paste from the
wrong source - the check that belongs in csum_and_copy_to_user() has
ended up both there and in csum_and_copy_from_user().  Please, apply


> The following changes since commit b3a9e3b9622ae10064826dccb4f7a52bd88c7407:
> 
>   Linux 5.8-rc1 (2020-06-14 12:45:04 -0700)
> 
> are available in the git repository at:
> 
>   git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs.git fixes
> 
> for you to fetch changes up to 5fff09bc141570cd15c118b097b17dec832b517f:
> 
>   xtensa: fix access check in csum_and_copy_from_user (2020-07-21 19:08:25 -0400)
> 
> ----------------------------------------------------------------
> Max Filippov (1):
>       xtensa: fix access check in csum_and_copy_from_user
> 
>  arch/xtensa/include/asm/checksum.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)