linux-kernel - Re: linux-next: Tree for Jan 18 (objtool: 2 warnings)

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Message-ID: <20210118175512.jffm2pjarsbavtqb@treble>
Date:   Mon, 18 Jan 2021 11:55:12 -0600
From:   Josh Poimboeuf <jpoimboe@...hat.com>
To:     Randy Dunlap <rdunlap@...radead.org>
Cc:     Stephen Rothwell <sfr@...b.auug.org.au>,
        Linux Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Peter Zijlstra <peterz@...radead.org>
Subject: Re: linux-next: Tree for Jan 18 (objtool: 2 warnings)

On Mon, Jan 18, 2021 at 09:16:14AM -0800, Randy Dunlap wrote:
> On 1/17/21 10:48 PM, Stephen Rothwell wrote:
> > Hi all,
> > 
> > Changes since 20210115:
> > 
> 
> on x86_64:
> 
> lib/iov_iter.o: warning: objtool: iovec_from_user()+0x157: call to __ubsan_handle_add_overflow() with UACCESS enabled
> fs/select.o: warning: objtool: do_sys_poll()+0x669: call to __ubsan_handle_sub_overflow() with UACCESS enabled

Under discussion:

  https://lkml.kernel.org/r/590998aa9cc50f431343f76cae72b2abf8ac1fdd.1608699683.git.jpoimboe@redhat.com

-- 
Josh