From: Kees Cook <keescook@chromium.org>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Matthew Wilcox <willy@infradead.org>,
"Tobin C. Harding" <me@tobin.cc>,
Dmitry Vyukov <dvyukov@google.com>,
Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>,
Linux-MM <linux-mm@kvack.org>,
syzbot
<bot+719398b443fd30155f92f2a888e749026c62b427@syzkaller.appspotmail.com>,
David Windsor <dave@nullcore.net>,
keun-o.park@darkmatter.ae, Laura Abbott <labbott@redhat.com>,
LKML <linux-kernel@vger.kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Ingo Molnar <mingo@kernel.org>,
syzkaller-bugs@googlegroups.com,
Will Deacon <will.deacon@arm.com>
Subject: Re: BUG: bad usercopy in memdup_user
Date: Tue, 19 Dec 2017 13:54:56 -0800 [thread overview]
Message-ID: <CAGXu5jLZGW8sodoNw6h+BWxnAGjpW0HTMEjx=Ee9AZ6PgVwX4A@mail.gmail.com> (raw)
In-Reply-To: <CA+55aFwvMMg0Kt8z+tkgPREbX--Of0R5nr_wS4B64kFxiVVKmw@mail.gmail.com>
On Tue, Dec 19, 2017 at 1:36 PM, Linus Torvalds
<torvalds@linux-foundation.org> wrote:
> In this case, there's obviously no permission issue: it's an error
> report. So it's either "remove it, or switch to %px".
Yup, my intention was to kill this %p and enhance the report to
actually include the useful information like, "what is the offset from
the start of the object", etc. That's what really matters.
-Kees
--
Kees Cook
Pixel Security
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next prev parent reply other threads:[~2017-12-19 21:54 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-18 13:40 syzbot
2017-12-18 14:22 ` Tetsuo Handa
2017-12-19 0:57 ` Kees Cook
2017-12-19 8:12 ` Dmitry Vyukov
2017-12-19 8:37 ` Tobin C. Harding
2017-12-19 8:41 ` Dmitry Vyukov
2017-12-19 9:04 ` Tobin C. Harding
2017-12-19 9:07 ` Dmitry Vyukov
2017-12-19 13:22 ` Matthew Wilcox
2017-12-19 13:41 ` Dmitry Vyukov
2017-12-19 14:08 ` Tetsuo Handa
2017-12-19 14:12 ` Dmitry Vyukov
2017-12-19 20:45 ` Tobin C. Harding
2017-12-19 20:33 ` Tobin C. Harding
2017-12-19 21:36 ` Linus Torvalds
2017-12-19 21:48 ` Al Viro
2017-12-19 22:09 ` Randy Dunlap
2017-12-19 23:24 ` Linus Torvalds
2017-12-20 3:50 ` Matthew Wilcox
2017-12-20 4:05 ` Linus Torvalds
2017-12-20 4:36 ` Linus Torvalds
2017-12-20 9:44 ` David Laight
2017-12-31 8:11 ` Dmitry Vyukov
2017-12-19 21:54 ` Kees Cook [this message]
2017-12-19 22:16 ` Matthew Wilcox
2017-12-19 22:24 ` Laura Abbott
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