All of lore.kernel.org
 help / color / mirror / Atom feed
From: Matthew Wilcox <willy@infradead.org>
To: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Cc: xen@randonwebstuff.com, Laura Abbott <labbott@redhat.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	linux-mm@kvack.org, bugzilla-daemon@bugzilla.kernel.org
Subject: Re: [Bug 198497] New: handle_mm_fault / xen_pmd_val / radix_tree_lookup_slot Null pointer
Date: Thu, 1 Feb 2018 01:48:01 -0800	[thread overview]
Message-ID: <20180201094801.GB20742@bombadil.infradead.org> (raw)
In-Reply-To: <164f37f1-7365-7650-24d7-70da74b3313f@I-love.SAKURA.ne.jp>

On Thu, Feb 01, 2018 at 08:02:43AM +0900, Tetsuo Handa wrote:
> https://bugzilla.redhat.com/show_bug.cgi?id=1531779
> 
> It might be something related that
> "x86/mm: Found insecure W+X mapping at address" message is printed at boot.
> 
> Are you seeing "x86/mm: Found insecure W+X mapping at address" before
> hitting "BUG: unable to handle kernel NULL pointer dereference" ?

There are about eight different bugs in that thread; the only commonality
I see between them is that there's a null pointer dereference somewhere
in the kernel.

--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org.  For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>

  reply	other threads:[~2018-02-01  9:48 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <bug-198497-27@https.bugzilla.kernel.org/>
2018-01-18 21:55 ` [Bug 198497] New: handle_mm_fault / xen_pmd_val / radix_tree_lookup_slot Null pointer Andrew Morton
2018-01-18 22:18   ` Laura Abbott
2018-01-19  3:04     ` Matthew Wilcox
2018-01-19  3:14       ` xen
2018-01-19 13:21         ` Matthew Wilcox
2018-01-19 17:30           ` Laura Abbott
2018-01-26  6:54             ` xen
2018-01-26 19:40               ` Matthew Wilcox
2018-01-29 22:26                 ` xen
2018-01-31 10:54                   ` Matthew Wilcox
2018-01-31 23:02                     ` Tetsuo Handa
2018-02-01  9:48                       ` Matthew Wilcox [this message]
2018-02-09 14:47                     ` Matthew Wilcox
2018-04-12 17:12                       ` Andrew Morton
2018-04-12 17:28                         ` Matthew Wilcox
2018-01-19 13:33     ` Matthew Wilcox

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=20180201094801.GB20742@bombadil.infradead.org \
    --to=willy@infradead.org \
    --cc=akpm@linux-foundation.org \
    --cc=bugzilla-daemon@bugzilla.kernel.org \
    --cc=labbott@redhat.com \
    --cc=linux-mm@kvack.org \
    --cc=penguin-kernel@I-love.SAKURA.ne.jp \
    --cc=xen@randonwebstuff.com \
    /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.