All of lore.kernel.org
 help / color / mirror / Atom feed
From: Balbir Singh <bsingharora@gmail.com>
To: Kees Cook <keescook@chromium.org>, Michael Ellerman <mpe@ellerman.id.au>
Cc: Breno Leitao <leitao@debian.org>,
	"linuxppc-dev@lists.ozlabs.org" <linuxppc-dev@lists.ozlabs.org>,
	Laura Abbott <labbott@redhat.com>,
	gromero@br.ibm.com,
	Anshuman Khandual <khandual@linux.vnet.ibm.com>
Subject: Re: kernel BUG at mm/usercopy.c:72!
Date: Wed, 17 May 2017 20:05:16 +1000	[thread overview]
Message-ID: <1495015516.30802.9.camel@gmail.com> (raw)
In-Reply-To: <CAGXu5jK86RkgsWFdtSuGoZzuRZt4cqJcU4YSTjn=irv0Pbu3Rw@mail.gmail.com>

> > Kees, depending on how that turns out we may ask you to revert
> > 517e1fbeb65f ("mm/usercopy: Drop extra is_vmalloc_or_module() check").
> 
> That's fine by me. Let me know what you think would be best.
> 
> Laura, I don't see much harm in putting this back in place. It seems
> like it's just a matter of efficiency to have it removed?

It looks like we resolved struct page of 0xd000000003d80030 as PageSlab?

Balbir Singh.

  parent reply	other threads:[~2017-05-17 10:05 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-05-15 19:19 kernel BUG at mm/usercopy.c:72! Breno Leitao
2017-05-16  4:00 ` Anshuman Khandual
2017-05-16  4:44   ` Balbir Singh
2017-05-16  5:04     ` Anshuman Khandual
2017-05-16 11:02 ` Michael Ellerman
2017-05-16 16:15   ` Breno Leitao
2017-05-16 11:09 ` Michael Ellerman
2017-05-16 14:32   ` Kees Cook
2017-05-16 14:35     ` Laura Abbott
2017-05-18  5:09       ` Michael Ellerman
2017-05-17 10:05     ` Balbir Singh [this message]
2017-05-18 10:16     ` Michael Ellerman
2017-05-18 10:58       ` Balbir Singh
2017-05-18 10:17 ` Michael Ellerman

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1495015516.30802.9.camel@gmail.com \
    --to=bsingharora@gmail.com \
    --cc=gromero@br.ibm.com \
    --cc=keescook@chromium.org \
    --cc=khandual@linux.vnet.ibm.com \
    --cc=labbott@redhat.com \
    --cc=leitao@debian.org \
    --cc=linuxppc-dev@lists.ozlabs.org \
    --cc=mpe@ellerman.id.au \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.