linux-kernel - Re: mmotm 2019-04-19-14-53 uploaded (objtool)

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Date:   Fri, 19 Apr 2019 21:36:46 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     akpm@...ux-foundation.org, broonie@...nel.org,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org, linux-next@...r.kernel.org, mhocko@...e.cz,
        mm-commits@...r.kernel.org, sfr@...b.auug.org.au,
        Josh Poimboeuf <jpoimboe@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>
Subject: Re: mmotm 2019-04-19-14-53 uploaded (objtool)

On 4/19/19 2:53 PM, akpm@...ux-foundation.org wrote:
> The mm-of-the-moment snapshot 2019-04-19-14-53 has been uploaded to
> 
>    http://www.ozlabs.org/~akpm/mmotm/
> 
> mmotm-readme.txt says
> 
> README for mm-of-the-moment:
> 
> http://www.ozlabs.org/~akpm/mmotm/
> 
> This is a snapshot of my -mm patch queue.  Uploaded at random hopefully
> more than once a week.

on x86_64:

  CC      lib/strncpy_from_user.o
lib/strncpy_from_user.o: warning: objtool: strncpy_from_user()+0x315: call to __ubsan_handle_add_overflow() with UACCESS enabled
  CC      lib/strnlen_user.o
lib/strnlen_user.o: warning: objtool: strnlen_user()+0x337: call to __ubsan_handle_sub_overflow() with UACCESS enabled



obj files are attached.


-- 
~Randy

Download attachment "strncpy_from_user.o" of type "application/x-object" (8480 bytes)

Download attachment "strnlen_user.o" of type "application/x-object" (8064 bytes)