From: Rainer Weikusat <rweikusat@mobileactivedefense•com>
To: Mathias Krause <minipli@googlemail•com>
Cc: Jason Baron <jbaron@akamai•com>,
"David S. Miller" <davem@davemloft•net>,
netdev@vger•kernel.org,
"linux-kernel\@vger.kernel.org" <linux-kernel@vger•kernel.org>,
Eric Wong <normalperson@yhbt•net>,
Eric Dumazet <eric.dumazet@gmail•com>,
Rainer Weikusat <rweikusat@mobileactivedefense•com>,
Al Viro <viro@zeniv•linux.org.uk>,
Davide Libenzi <davidel@xmailserver•org>,
Davidlohr Bueso <dave@stgolabs•net>,
Olivier Mauras <olivier@mauras•ch>,
PaX Team <pageexec@freemail•hu>,
Linus Torvalds <torvalds@linux-foundation•org>,
Peter Zijlstra <peterz@infradead•org>
Subject: Re: [PATCH v2 1/3] unix: fix use-after-free in unix_dgram_poll()
Date: Sat, 03 Oct 2015 18:02:16 +0100 [thread overview]
Message-ID: <87twq7ans7.fsf@doppelsaurus.mobileactivedefense.com> (raw)
In-Reply-To: <CA+rthh9FMUHfaMcMXxJrsu+47xtQhG4ajmL_6rbJsAM1SRxGYw@mail.gmail.com> (Mathias Krause's message of "Sat, 3 Oct 2015 07:46:06 +0200")
Mathias Krause <minipli@googlemail•com> writes:
> On 2 October 2015 at 22:43, Jason Baron <jbaron@akamai•com> wrote:
>> The unix_dgram_poll() routine calls sock_poll_wait() not only for the wait
>> queue associated with the socket s that we are poll'ing against, but also calls
[useless full-quote removed]
> My reproducer runs on this patch for more than 3 days now without
> triggering anything anymore.
Since the behaviour of your program is random, using it to "test"
anything doesn't really provide any insight: It could have been
executing the same codepath which doesn't happen to trigger any problems
for all of these three days. Nobody can tell.
next prev parent reply other threads:[~2015-10-03 17:02 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-02 20:43 [PATCH v2 0/3] af_unix: fix use-after-free Jason Baron
2015-10-02 20:43 ` [PATCH v2 1/3] unix: fix use-after-free in unix_dgram_poll() Jason Baron
2015-10-03 5:46 ` Mathias Krause
2015-10-03 17:02 ` Rainer Weikusat [this message]
2015-10-04 17:41 ` Rainer Weikusat
2015-10-05 16:31 ` Rainer Weikusat
2015-10-05 16:54 ` Eric Dumazet
2015-10-05 17:20 ` Rainer Weikusat
2015-10-05 17:55 ` Jason Baron
2015-10-12 20:41 ` Rainer Weikusat
2015-10-14 3:44 ` Jason Baron
2015-10-14 17:47 ` Rainer Weikusat
2015-10-15 2:54 ` Jason Baron
2015-10-18 20:58 ` Rainer Weikusat
2015-10-19 15:07 ` Jason Baron
2015-10-20 22:29 ` Rainer Weikusat
2015-10-21 17:34 ` Rainer Weikusat
2015-10-28 16:46 ` [RFC] " Rainer Weikusat
2015-10-28 17:57 ` Jason Baron
2015-10-29 14:23 ` Rainer Weikusat
2015-10-30 20:52 ` [RFC] unix: fix use-after-free in unix_dgram_poll()/ 4.2.5 Rainer Weikusat
[not found] ` <57d2f5b6aae251957bff7a1a52b8bf2c@core-hosting.net>
2015-11-02 21:55 ` Rainer Weikusat
2015-10-02 20:43 ` [PATCH v2 2/3] af_unix: Convert gc_flags to flags Jason Baron
2015-10-02 20:44 ` [PATCH v2 3/3] af_unix: optimize the unix_dgram_recvmsg() Jason Baron
2015-10-05 7:41 ` Peter Zijlstra
2015-10-05 17:13 ` Jason Baron
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=87twq7ans7.fsf@doppelsaurus.mobileactivedefense.com \
--to=rweikusat@mobileactivedefense$(echo .)com \
--cc=dave@stgolabs$(echo .)net \
--cc=davem@davemloft$(echo .)net \
--cc=davidel@xmailserver$(echo .)org \
--cc=eric.dumazet@gmail$(echo .)com \
--cc=jbaron@akamai$(echo .)com \
--cc=linux-kernel@vger$(echo .)kernel.org \
--cc=minipli@googlemail$(echo .)com \
--cc=netdev@vger$(echo .)kernel.org \
--cc=normalperson@yhbt$(echo .)net \
--cc=olivier@mauras$(echo .)ch \
--cc=pageexec@freemail$(echo .)hu \
--cc=peterz@infradead$(echo .)org \
--cc=torvalds@linux-foundation$(echo .)org \
--cc=viro@zeniv$(echo .)linux.org.uk \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox