From: Christian Brauner <christian.brauner@ubuntu.com>
To: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Aleksa Sarai <cyphar@cyphar.com>,
Al Viro <viro@zeniv.linux.org.uk>,
Jeff Layton <jlayton@kernel.org>,
"J. Bruce Fields" <bfields@fieldses.org>,
Arnd Bergmann <arnd@arndb.de>,
David Howells <dhowells@redhat.com>,
Shuah Khan <shuah@kernel.org>,
Shuah Khan <skhan@linuxfoundation.org>,
Ingo Molnar <mingo@redhat.com>,
Peter Zijlstra <peterz@infradead.org>,
Christian Brauner <christian@brauner.io>,
Eric Biederman <ebiederm@xmission.com>,
Andy Lutomirski <luto@kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Alexei Starovoitov <ast@kernel.org>,
Kees Cook <keescook@chromium.org>, Jann Horn <jannh@google.com>,
Tycho Andersen <tycho@tycho.ws>,
David Drysdale <drysdale@google.com>,
Chanho Min <chanho.min@lge.com>, Oleg Nesterov <oleg@red>
Subject: Re: [PATCH v12 01/12] lib: introduce copy_struct_{to,from}_user helpers
Date: Thu, 05 Sep 2019 11:29:59 +0000 [thread overview]
Message-ID: <20190905112958.ldzyzyuqn5akkhzy@wittgenstein> (raw)
In-Reply-To: <ae415ea8-4442-d81c-3b46-2ae5fb35bbdf@rasmusvillemoes.dk>
On Thu, Sep 05, 2019 at 01:17:38PM +0200, Rasmus Villemoes wrote:
> On 05/09/2019 13.05, Christian Brauner wrote:
> > On Thu, Sep 05, 2019 at 06:19:22AM +1000, Aleksa Sarai wrote:
>
> >> + if (unlikely(!access_ok(dst, usize)))
> >> + return -EFAULT;
> >> +
> >> + /* Deal with trailing bytes. */
> >> + if (usize < ksize) {
> >> + if (memchr_inv(src + size, 0, rest))
> >> + return -EFBIG;
> >> + } else if (usize > ksize) {
> >> + if (__memzero_user(dst + size, rest))
> >> + return -EFAULT;
> >
> > Is zeroing that memory really our job? Seems to me we should just check
> > it is zeroed.
>
> Of course it is, otherwise you'd require userspace to clear the output
> buffer it gives us, which in the majority of cases is wasted work. It's
> much easier to reason about if we just say "the kernel populates [uaddr,
> uaddr + usize)".
I don't really mind either way so sure. :)
WARNING: multiple messages have this Message-ID (diff)
From: Christian Brauner <christian.brauner@ubuntu.com>
To: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Aleksa Sarai <cyphar@cyphar.com>,
Al Viro <viro@zeniv.linux.org.uk>,
Jeff Layton <jlayton@kernel.org>,
"J. Bruce Fields" <bfields@fieldses.org>,
Arnd Bergmann <arnd@arndb.de>,
David Howells <dhowells@redhat.com>,
Shuah Khan <shuah@kernel.org>,
Shuah Khan <skhan@linuxfoundation.org>,
Ingo Molnar <mingo@redhat.com>,
Peter Zijlstra <peterz@infradead.org>,
Christian Brauner <christian@brauner.io>,
Eric Biederman <ebiederm@xmission.com>,
Andy Lutomirski <luto@kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Alexei Starovoitov <ast@kernel.org>,
Kees Cook <keescook@chromium.org>, Jann Horn <jannh@google.com>,
Tycho Andersen <tycho@tycho.ws>,
David Drysdale <drysdale@google.com>,
Chanho Min <chanho.min@lge.com>, Oleg Nesterov <oleg@redhat.com>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Jiri Olsa <jolsa@redhat.com>, Namhyung Kim <namhyung@kernel.org>,
Aleksa Sarai <asarai@suse.de>,
Linus Torvalds <torvalds@linux-foundation.org>,
containers@lists.linux-foundation.org,
linux-alpha@vger.kernel.org, linux-api@vger.kernel.org,
linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-fsdevel@vger.kernel.org, linux-ia64@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org,
linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org,
linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
linux-s390@vger.kernel.org, linux-sh@vger.kernel.org,
linux-xtensa@linux-xtensa.org, sparclinux@vger.kernel.org
Subject: Re: [PATCH v12 01/12] lib: introduce copy_struct_{to,from}_user helpers
Date: Thu, 5 Sep 2019 13:29:59 +0200 [thread overview]
Message-ID: <20190905112958.ldzyzyuqn5akkhzy@wittgenstein> (raw)
In-Reply-To: <ae415ea8-4442-d81c-3b46-2ae5fb35bbdf@rasmusvillemoes.dk>
On Thu, Sep 05, 2019 at 01:17:38PM +0200, Rasmus Villemoes wrote:
> On 05/09/2019 13.05, Christian Brauner wrote:
> > On Thu, Sep 05, 2019 at 06:19:22AM +1000, Aleksa Sarai wrote:
>
> >> + if (unlikely(!access_ok(dst, usize)))
> >> + return -EFAULT;
> >> +
> >> + /* Deal with trailing bytes. */
> >> + if (usize < ksize) {
> >> + if (memchr_inv(src + size, 0, rest))
> >> + return -EFBIG;
> >> + } else if (usize > ksize) {
> >> + if (__memzero_user(dst + size, rest))
> >> + return -EFAULT;
> >
> > Is zeroing that memory really our job? Seems to me we should just check
> > it is zeroed.
>
> Of course it is, otherwise you'd require userspace to clear the output
> buffer it gives us, which in the majority of cases is wasted work. It's
> much easier to reason about if we just say "the kernel populates [uaddr,
> uaddr + usize)".
I don't really mind either way so sure. :)
WARNING: multiple messages have this Message-ID (diff)
From: Christian Brauner <christian.brauner@ubuntu.com>
To: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Aleksa Sarai <cyphar@cyphar.com>,
Al Viro <viro@zeniv.linux.org.uk>,
Jeff Layton <jlayton@kernel.org>,
"J. Bruce Fields" <bfields@fieldses.org>,
Arnd Bergmann <arnd@arndb.de>,
David Howells <dhowells@redhat.com>,
Shuah Khan <shuah@kernel.org>,
Shuah Khan <skhan@linuxfoundation.org>,
Ingo Molnar <mingo@redhat.com>,
Peter Zijlstra <peterz@infradead.org>,
Christian Brauner <christian@brauner.io>,
Eric Biederman <ebiederm@xmission.com>,
Andy Lutomirski <luto@kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Alexei Starovoitov <ast@kernel.org>,
Kees Cook <keescook@chromium.org>, Jann Horn <jannh@google.com>,
Tycho Andersen <tycho@tycho.ws>,
David Drysdale <drysdale@google.com>,
Chanho Min <chanho.min@lge.com>, Oleg Nesterov <oleg@red>
Subject: Re: [PATCH v12 01/12] lib: introduce copy_struct_{to,from}_user helpers
Date: Thu, 5 Sep 2019 13:29:59 +0200 [thread overview]
Message-ID: <20190905112958.ldzyzyuqn5akkhzy@wittgenstein> (raw)
In-Reply-To: <ae415ea8-4442-d81c-3b46-2ae5fb35bbdf@rasmusvillemoes.dk>
On Thu, Sep 05, 2019 at 01:17:38PM +0200, Rasmus Villemoes wrote:
> On 05/09/2019 13.05, Christian Brauner wrote:
> > On Thu, Sep 05, 2019 at 06:19:22AM +1000, Aleksa Sarai wrote:
>
> >> + if (unlikely(!access_ok(dst, usize)))
> >> + return -EFAULT;
> >> +
> >> + /* Deal with trailing bytes. */
> >> + if (usize < ksize) {
> >> + if (memchr_inv(src + size, 0, rest))
> >> + return -EFBIG;
> >> + } else if (usize > ksize) {
> >> + if (__memzero_user(dst + size, rest))
> >> + return -EFAULT;
> >
> > Is zeroing that memory really our job? Seems to me we should just check
> > it is zeroed.
>
> Of course it is, otherwise you'd require userspace to clear the output
> buffer it gives us, which in the majority of cases is wasted work. It's
> much easier to reason about if we just say "the kernel populates [uaddr,
> uaddr + usize)".
I don't really mind either way so sure. :)
WARNING: multiple messages have this Message-ID (diff)
From: Christian Brauner <christian.brauner@ubuntu.com>
To: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: linux-ia64@vger.kernel.org, linux-sh@vger.kernel.org,
Peter Zijlstra <peterz@infradead.org>,
Alexei Starovoitov <ast@kernel.org>,
linux-kernel@vger.kernel.org, David Howells <dhowells@redhat.com>,
linux-kselftest@vger.kernel.org, sparclinux@vger.kernel.org,
Shuah Khan <shuah@kernel.org>,
linux-arch@vger.kernel.org, linux-s390@vger.kernel.org,
Tycho Andersen <tycho@tycho.ws>, Aleksa Sarai <asarai@suse.de>,
Jiri Olsa <jolsa@redhat.com>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Ingo Molnar <mingo@redhat.com>,
linux-arm-kernel@lists.infradead.org, linux-mips@vger.kernel.org,
linux-xtensa@linux-xtensa.org, Kees Cook <keescook@chromium.org>,
Arnd Bergmann <arnd@arndb.de>, Jann Horn <jannh@google.com>,
linuxppc-dev@lists.ozlabs.org, Aleksa Sarai <cyphar@cyphar.com>,
Al Viro <viro@zeniv.linux.org.uk>,
Andy Lutomirski <luto@kernel.org>,
Shuah Khan <skhan@linuxfoundation.org>,
Namhyung Kim <namhyung@kernel.org>,
David Drysdale <drysdale@google.com>,
Christian Brauner <christian@brauner.io>,
"J. Bruce Fields" <bfields@fieldses.org>,
linux-parisc@vger.kernel.org, linux-m68k@lists.linux-m68k.org,
linux-api@vger.kernel.org, Chanho Min <chanho.min@lge.com>,
Jeff Layton <jlayton@kernel.org>, Oleg Nesterov <oleg@redhat.com>,
Eric Biederman <ebiederm@xmission.com>,
linux-alpha@vger.kernel.org, linux-fsdevel@vger.kernel.org,
Andrew Morton <akpm@linux-foundation.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
containers@lists.linux-foundation.org
Subject: Re: [PATCH v12 01/12] lib: introduce copy_struct_{to,from}_user helpers
Date: Thu, 5 Sep 2019 13:29:59 +0200 [thread overview]
Message-ID: <20190905112958.ldzyzyuqn5akkhzy@wittgenstein> (raw)
In-Reply-To: <ae415ea8-4442-d81c-3b46-2ae5fb35bbdf@rasmusvillemoes.dk>
On Thu, Sep 05, 2019 at 01:17:38PM +0200, Rasmus Villemoes wrote:
> On 05/09/2019 13.05, Christian Brauner wrote:
> > On Thu, Sep 05, 2019 at 06:19:22AM +1000, Aleksa Sarai wrote:
>
> >> + if (unlikely(!access_ok(dst, usize)))
> >> + return -EFAULT;
> >> +
> >> + /* Deal with trailing bytes. */
> >> + if (usize < ksize) {
> >> + if (memchr_inv(src + size, 0, rest))
> >> + return -EFBIG;
> >> + } else if (usize > ksize) {
> >> + if (__memzero_user(dst + size, rest))
> >> + return -EFAULT;
> >
> > Is zeroing that memory really our job? Seems to me we should just check
> > it is zeroed.
>
> Of course it is, otherwise you'd require userspace to clear the output
> buffer it gives us, which in the majority of cases is wasted work. It's
> much easier to reason about if we just say "the kernel populates [uaddr,
> uaddr + usize)".
I don't really mind either way so sure. :)
WARNING: multiple messages have this Message-ID (diff)
From: Christian Brauner <christian.brauner@ubuntu.com>
To: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: linux-ia64@vger.kernel.org, linux-sh@vger.kernel.org,
Peter Zijlstra <peterz@infradead.org>,
Alexei Starovoitov <ast@kernel.org>,
linux-kernel@vger.kernel.org, David Howells <dhowells@redhat.com>,
linux-kselftest@vger.kernel.org, sparclinux@vger.kernel.org,
Shuah Khan <shuah@kernel.org>,
linux-arch@vger.kernel.org, linux-s390@vger.kernel.org,
Tycho Andersen <tycho@tycho.ws>, Aleksa Sarai <asarai@suse.de>,
Jiri Olsa <jolsa@redhat.com>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Ingo Molnar <mingo@redhat.com>,
linux-arm-kernel@lists.infradead.org, linux-mips@vger.kernel.org,
linux-xtensa@linux-xtensa.org, Kees Cook <keescook@chromium.org>,
Arnd Bergmann <arnd@arndb.de>, Jann Horn <jannh@google.com>,
linuxppc-dev@lists.ozlabs.org, Aleksa Sarai <cyphar@cyphar.com>,
Al Viro <viro@zeniv.linux.org.uk>,
Andy Lutomirski <luto@kernel.org>,
Shuah Khan <skhan@linuxfoundation.org>,
Namhyung Kim <namhyung@kernel.org>,
David Drysdale <drysdale@google.com>,
Christian Brauner <christian@brauner.io>,
"J. Bruce Fields" <bfields@fieldses.org>,
linux-parisc@vger.kernel.org, linux-m68k@lists.linux-m68k.org,
linux-api@vger.kernel.org, Chanho Min <chanho.min@lge.com>,
Jeff Layton <jlayton@kernel.org>, Oleg Nesterov <oleg@redhat.com>,
Eric Biederman <ebiederm@xmission.com>,
linux-alpha@vger.kernel.org, linux-fsdevel@vger.kernel.org,
Andrew Morton <akpm@linux-foundation.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
containers@lists.linux-foundation.org
Subject: Re: [PATCH v12 01/12] lib: introduce copy_struct_{to,from}_user helpers
Date: Thu, 5 Sep 2019 13:29:59 +0200 [thread overview]
Message-ID: <20190905112958.ldzyzyuqn5akkhzy@wittgenstein> (raw)
In-Reply-To: <ae415ea8-4442-d81c-3b46-2ae5fb35bbdf@rasmusvillemoes.dk>
On Thu, Sep 05, 2019 at 01:17:38PM +0200, Rasmus Villemoes wrote:
> On 05/09/2019 13.05, Christian Brauner wrote:
> > On Thu, Sep 05, 2019 at 06:19:22AM +1000, Aleksa Sarai wrote:
>
> >> + if (unlikely(!access_ok(dst, usize)))
> >> + return -EFAULT;
> >> +
> >> + /* Deal with trailing bytes. */
> >> + if (usize < ksize) {
> >> + if (memchr_inv(src + size, 0, rest))
> >> + return -EFBIG;
> >> + } else if (usize > ksize) {
> >> + if (__memzero_user(dst + size, rest))
> >> + return -EFAULT;
> >
> > Is zeroing that memory really our job? Seems to me we should just check
> > it is zeroed.
>
> Of course it is, otherwise you'd require userspace to clear the output
> buffer it gives us, which in the majority of cases is wasted work. It's
> much easier to reason about if we just say "the kernel populates [uaddr,
> uaddr + usize)".
I don't really mind either way so sure. :)
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next prev parent reply other threads:[~2019-09-05 11:29 UTC|newest]
Thread overview: 351+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-04 20:19 [PATCH v12 00/12] namei: openat2(2) path resolution restrictions Aleksa Sarai
2019-09-04 20:19 ` Aleksa Sarai
2019-09-04 20:19 ` Aleksa Sarai
2019-09-04 20:19 ` Aleksa Sarai
2019-09-04 20:19 ` Aleksa Sarai
2019-09-04 20:19 ` [PATCH v12 01/12] lib: introduce copy_struct_{to,from}_user helpers Aleksa Sarai
2019-09-04 20:19 ` Aleksa Sarai
2019-09-04 20:19 ` Aleksa Sarai
2019-09-04 20:19 ` Aleksa Sarai
2019-09-04 20:19 ` Aleksa Sarai
2019-09-04 20:48 ` Linus Torvalds
2019-09-04 20:48 ` [PATCH v12 01/12] lib: introduce copy_struct_{to, from}_user helpers Linus Torvalds
2019-09-04 20:48 ` Linus Torvalds
2019-09-04 20:48 ` Linus Torvalds
2019-09-04 20:48 ` [PATCH v12 01/12] lib: introduce copy_struct_{to,from}_user helpers Linus Torvalds
2019-09-04 20:48 ` Linus Torvalds
2019-09-04 21:00 ` Randy Dunlap
2019-09-04 21:00 ` Randy Dunlap
2019-09-04 21:00 ` Randy Dunlap
2019-09-04 21:00 ` Randy Dunlap
2019-09-04 21:00 ` Randy Dunlap
2019-09-05 7:32 ` Peter Zijlstra
2019-09-05 7:32 ` Peter Zijlstra
2019-09-05 7:32 ` Peter Zijlstra
2019-09-05 7:32 ` Peter Zijlstra
2019-09-05 7:32 ` Peter Zijlstra
2019-09-05 9:26 ` Aleksa Sarai
2019-09-05 9:26 ` Aleksa Sarai
2019-09-05 9:26 ` Aleksa Sarai
2019-09-05 9:26 ` Aleksa Sarai
2019-09-05 9:26 ` Aleksa Sarai
2019-09-05 9:43 ` Peter Zijlstra
2019-09-05 9:43 ` Peter Zijlstra
2019-09-05 9:43 ` Peter Zijlstra
2019-09-05 9:43 ` Peter Zijlstra
2019-09-05 9:43 ` Peter Zijlstra
2019-09-05 10:57 ` Peter Zijlstra
2019-09-05 10:57 ` Peter Zijlstra
2019-09-05 10:57 ` Peter Zijlstra
2019-09-05 10:57 ` Peter Zijlstra
2019-09-05 10:57 ` Peter Zijlstra
2019-09-11 10:37 ` Aleksa Sarai
2019-09-11 10:37 ` Aleksa Sarai
2019-09-11 10:37 ` Aleksa Sarai
2019-09-11 10:37 ` Aleksa Sarai
2019-09-11 10:37 ` Aleksa Sarai
2019-09-05 13:35 ` Aleksa Sarai
2019-09-05 13:35 ` Aleksa Sarai
2019-09-05 13:35 ` Aleksa Sarai
2019-09-05 13:35 ` Aleksa Sarai
2019-09-05 13:35 ` Aleksa Sarai
2019-09-05 17:01 ` Aleksa Sarai
2019-09-05 17:01 ` Aleksa Sarai
2019-09-05 17:01 ` Aleksa Sarai
2019-09-05 17:01 ` Aleksa Sarai
2019-09-05 17:01 ` Aleksa Sarai
2019-09-05 8:43 ` Rasmus Villemoes
2019-09-05 8:43 ` Rasmus Villemoes
2019-09-05 8:43 ` Rasmus Villemoes
2019-09-05 8:43 ` Rasmus Villemoes
2019-09-05 8:43 ` Rasmus Villemoes
2019-09-05 9:50 ` Aleksa Sarai
2019-09-05 9:50 ` Aleksa Sarai
2019-09-05 9:50 ` Aleksa Sarai
2019-09-05 9:50 ` Aleksa Sarai
2019-09-05 9:50 ` Aleksa Sarai
2019-09-05 10:45 ` Christian Brauner
2019-09-05 10:45 ` Christian Brauner
2019-09-05 10:45 ` Christian Brauner
2019-09-05 10:45 ` Christian Brauner
2019-09-05 10:45 ` Christian Brauner
2019-09-05 9:09 ` Andreas Schwab
2019-09-05 9:09 ` [PATCH v12 01/12] lib: introduce copy_struct_{to, from}_user helpers Andreas Schwab
2019-09-05 9:09 ` Andreas Schwab
2019-09-05 9:09 ` [PATCH v12 01/12] lib: introduce copy_struct_{to,from}_user helpers Andreas Schwab
2019-09-05 9:09 ` Andreas Schwab
2019-09-05 10:13 ` [PATCH v12 01/12] lib: introduce copy_struct_{to, from}_user helpers Gabriel Paubert
2019-09-05 10:13 ` Gabriel Paubert
2019-09-05 10:13 ` Gabriel Paubert
2019-09-05 10:13 ` Gabriel Paubert
2019-09-05 10:13 ` Gabriel Paubert
2019-09-05 10:13 ` Gabriel Paubert
2019-09-05 10:13 ` Gabriel Paubert
2019-09-05 11:05 ` [PATCH v12 01/12] lib: introduce copy_struct_{to,from}_user helpers Christian Brauner
2019-09-05 11:05 ` Christian Brauner
2019-09-05 11:05 ` Christian Brauner
2019-09-05 11:05 ` Christian Brauner
2019-09-05 11:05 ` Christian Brauner
2019-09-05 11:17 ` Rasmus Villemoes
2019-09-05 11:17 ` Rasmus Villemoes
2019-09-05 11:17 ` Rasmus Villemoes
2019-09-05 11:17 ` Rasmus Villemoes
2019-09-05 11:17 ` Rasmus Villemoes
2019-09-05 11:29 ` Christian Brauner [this message]
2019-09-05 11:29 ` Christian Brauner
2019-09-05 11:29 ` Christian Brauner
2019-09-05 11:29 ` Christian Brauner
2019-09-05 11:29 ` Christian Brauner
2019-09-05 13:40 ` Aleksa Sarai
2019-09-05 13:40 ` Aleksa Sarai
2019-09-05 13:40 ` Aleksa Sarai
2019-09-05 13:40 ` Aleksa Sarai
2019-09-05 13:40 ` Aleksa Sarai
2019-09-05 11:09 ` Christian Brauner
2019-09-05 11:09 ` Christian Brauner
2019-09-05 11:09 ` Christian Brauner
2019-09-05 11:09 ` Christian Brauner
2019-09-05 11:09 ` Christian Brauner
2019-09-05 11:27 ` Aleksa Sarai
2019-09-05 11:27 ` Aleksa Sarai
2019-09-05 11:27 ` Aleksa Sarai
2019-09-05 11:27 ` Aleksa Sarai
2019-09-05 11:27 ` Aleksa Sarai
2019-09-05 11:40 ` Christian Brauner
2019-09-05 11:40 ` Christian Brauner
2019-09-05 11:40 ` Christian Brauner
2019-09-05 11:40 ` Christian Brauner
2019-09-05 11:40 ` Christian Brauner
2019-09-05 18:07 ` Al Viro
2019-09-05 18:07 ` Al Viro
2019-09-05 18:07 ` Al Viro
2019-09-05 18:07 ` Al Viro
2019-09-05 18:07 ` Al Viro
2019-09-05 18:23 ` Christian Brauner
2019-09-05 18:23 ` Christian Brauner
2019-09-05 18:23 ` Christian Brauner
2019-09-05 18:23 ` Christian Brauner
2019-09-05 18:23 ` Christian Brauner
2019-09-05 18:28 ` Al Viro
2019-09-05 18:28 ` Al Viro
2019-09-05 18:28 ` Al Viro
2019-09-05 18:28 ` Al Viro
2019-09-05 18:28 ` Al Viro
2019-09-05 18:35 ` Christian Brauner
2019-09-05 18:35 ` Christian Brauner
2019-09-05 18:35 ` Christian Brauner
2019-09-05 18:35 ` Christian Brauner
2019-09-05 18:35 ` Christian Brauner
2019-09-05 19:56 ` Aleksa Sarai
2019-09-05 19:56 ` Aleksa Sarai
2019-09-05 19:56 ` Aleksa Sarai
2019-09-05 19:56 ` Aleksa Sarai
2019-09-05 19:56 ` Aleksa Sarai
2019-09-05 22:31 ` Al Viro
2019-09-05 22:31 ` Al Viro
2019-09-05 22:31 ` Al Viro
2019-09-05 22:31 ` Al Viro
2019-09-05 22:31 ` Al Viro
2019-09-06 7:00 ` Christian Brauner
2019-09-06 7:00 ` Christian Brauner
2019-09-06 7:00 ` Christian Brauner
2019-09-06 7:00 ` Christian Brauner
2019-09-06 7:00 ` Christian Brauner
2019-09-05 23:00 ` Aleksa Sarai
2019-09-05 23:00 ` Aleksa Sarai
2019-09-05 23:00 ` Aleksa Sarai
2019-09-05 23:00 ` Aleksa Sarai
2019-09-05 23:00 ` Aleksa Sarai
2019-09-05 23:49 ` Al Viro
2019-09-05 23:49 ` Al Viro
2019-09-05 23:49 ` Al Viro
2019-09-05 23:49 ` Al Viro
2019-09-05 23:49 ` Al Viro
2019-09-06 0:09 ` Aleksa Sarai
2019-09-06 0:09 ` Aleksa Sarai
2019-09-06 0:09 ` Aleksa Sarai
2019-09-06 0:09 ` Aleksa Sarai
2019-09-06 0:09 ` Aleksa Sarai
2019-09-06 0:14 ` Al Viro
2019-09-06 0:14 ` Al Viro
2019-09-06 0:14 ` Al Viro
2019-09-06 0:14 ` Al Viro
2019-09-06 0:14 ` Al Viro
2019-09-04 20:19 ` [PATCH v12 02/12] clone3: switch to copy_struct_from_user() Aleksa Sarai
2019-09-04 20:19 ` Aleksa Sarai
2019-09-04 20:19 ` Aleksa Sarai
2019-09-04 20:19 ` Aleksa Sarai
2019-09-04 20:19 ` Aleksa Sarai
2019-09-04 20:19 ` [PATCH v12 03/12] sched_setattr: switch to copy_struct_{to,from}_user() Aleksa Sarai
2019-09-04 20:19 ` [PATCH v12 03/12] sched_setattr: switch to copy_struct_{to, from}_user() Aleksa Sarai
2019-09-04 20:19 ` Aleksa Sarai
2019-09-04 20:19 ` [PATCH v12 03/12] sched_setattr: switch to copy_struct_{to,from}_user() Aleksa Sarai
2019-09-04 20:19 ` Aleksa Sarai
2019-09-04 20:19 ` [PATCH v12 04/12] perf_event_open: switch to copy_struct_from_user() Aleksa Sarai
2019-09-04 20:19 ` Aleksa Sarai
2019-09-04 20:19 ` Aleksa Sarai
2019-09-04 20:19 ` Aleksa Sarai
2019-09-04 20:19 ` Aleksa Sarai
2019-09-04 20:19 ` [PATCH v12 05/12] namei: obey trailing magic-link DAC permissions Aleksa Sarai
2019-09-04 20:19 ` Aleksa Sarai
2019-09-04 20:19 ` Aleksa Sarai
2019-09-04 20:19 ` Aleksa Sarai
2019-09-04 20:19 ` Aleksa Sarai
2019-09-17 21:30 ` Jann Horn
2019-09-17 21:30 ` Jann Horn
2019-09-17 21:30 ` Jann Horn
2019-09-17 21:30 ` Jann Horn
2019-09-17 21:30 ` Jann Horn
2019-09-17 21:30 ` Jann Horn
2019-09-17 21:30 ` Jann Horn
2019-09-18 13:51 ` Aleksa Sarai
2019-09-18 13:51 ` Aleksa Sarai
2019-09-18 13:51 ` Aleksa Sarai
2019-09-18 13:51 ` Aleksa Sarai
2019-09-18 13:51 ` Aleksa Sarai
2019-09-18 13:51 ` Aleksa Sarai
2019-09-18 13:51 ` Aleksa Sarai
2019-09-18 13:51 ` Aleksa Sarai
2019-09-18 15:46 ` Aleksa Sarai
2019-09-18 15:46 ` Aleksa Sarai
2019-09-18 15:46 ` Aleksa Sarai
2019-09-18 15:46 ` Aleksa Sarai
2019-09-18 15:46 ` Aleksa Sarai
2019-09-18 15:46 ` Aleksa Sarai
2019-09-18 15:46 ` Aleksa Sarai
2019-09-18 15:46 ` Aleksa Sarai
2019-09-04 20:19 ` [PATCH v12 06/12] procfs: switch magic-link modes to be more sane Aleksa Sarai
2019-09-04 20:19 ` Aleksa Sarai
2019-09-04 20:19 ` Aleksa Sarai
2019-09-04 20:19 ` Aleksa Sarai
2019-09-04 20:19 ` Aleksa Sarai
2019-09-04 20:19 ` [PATCH v12 07/12] open: O_EMPTYPATH: procfs-less file descriptor re-opening Aleksa Sarai
2019-09-04 20:19 ` Aleksa Sarai
2019-09-04 20:19 ` Aleksa Sarai
2019-09-04 20:19 ` Aleksa Sarai
2019-09-04 20:19 ` Aleksa Sarai
2019-09-04 20:19 ` [PATCH v12 08/12] namei: O_BENEATH-style path resolution flags Aleksa Sarai
2019-09-04 20:19 ` Aleksa Sarai
2019-09-04 20:19 ` Aleksa Sarai
2019-09-04 20:19 ` Aleksa Sarai
2019-09-04 20:19 ` Aleksa Sarai
2019-09-04 20:19 ` [PATCH v12 09/12] namei: LOOKUP_IN_ROOT: chroot-like path resolution Aleksa Sarai
2019-09-04 20:19 ` Aleksa Sarai
2019-09-04 20:19 ` Aleksa Sarai
2019-09-04 20:19 ` Aleksa Sarai
2019-09-04 20:19 ` Aleksa Sarai
2019-09-04 20:19 ` [PATCH v12 10/12] namei: aggressively check for nd->root escape on ".." resolution Aleksa Sarai
2019-09-04 20:19 ` Aleksa Sarai
2019-09-04 20:19 ` Aleksa Sarai
2019-09-04 20:19 ` Aleksa Sarai
2019-09-04 20:19 ` Aleksa Sarai
2019-09-04 21:09 ` Linus Torvalds
2019-09-04 21:09 ` Linus Torvalds
2019-09-04 21:09 ` Linus Torvalds
2019-09-04 21:09 ` Linus Torvalds
2019-09-04 21:09 ` Linus Torvalds
2019-09-04 21:09 ` Linus Torvalds
2019-09-04 21:35 ` Linus Torvalds
2019-09-04 21:35 ` Linus Torvalds
2019-09-04 21:35 ` Linus Torvalds
2019-09-04 21:35 ` Linus Torvalds
2019-09-04 21:35 ` Linus Torvalds
2019-09-04 21:35 ` Linus Torvalds
2019-09-04 21:36 ` Linus Torvalds
2019-09-04 21:36 ` Linus Torvalds
2019-09-04 21:36 ` Linus Torvalds
2019-09-04 21:36 ` Linus Torvalds
2019-09-04 21:36 ` Linus Torvalds
2019-09-04 21:36 ` Linus Torvalds
2019-09-04 21:48 ` Aleksa Sarai
2019-09-04 21:48 ` Aleksa Sarai
2019-09-04 21:48 ` Aleksa Sarai
2019-09-04 21:48 ` Aleksa Sarai
2019-09-04 21:48 ` Aleksa Sarai
2019-09-04 21:48 ` Aleksa Sarai
2019-09-04 22:16 ` Linus Torvalds
2019-09-04 22:16 ` Linus Torvalds
2019-09-04 22:16 ` Linus Torvalds
2019-09-04 22:16 ` Linus Torvalds
2019-09-04 22:16 ` Linus Torvalds
2019-09-04 22:16 ` Linus Torvalds
2019-09-04 22:31 ` David Howells
2019-09-04 22:31 ` David Howells
2019-09-04 22:31 ` David Howells
2019-09-04 22:31 ` David Howells
2019-09-04 22:31 ` David Howells
2019-09-04 22:31 ` David Howells
2019-09-04 22:38 ` Linus Torvalds
2019-09-04 22:38 ` Linus Torvalds
2019-09-04 22:38 ` Linus Torvalds
2019-09-04 22:38 ` Linus Torvalds
2019-09-04 22:38 ` Linus Torvalds
2019-09-04 22:38 ` Linus Torvalds
2019-09-04 23:29 ` Al Viro
2019-09-04 23:29 ` Al Viro
2019-09-04 23:29 ` Al Viro
2019-09-04 23:29 ` Al Viro
2019-09-04 23:29 ` Al Viro
2019-09-04 23:29 ` Al Viro
2019-09-04 23:44 ` Linus Torvalds
2019-09-04 23:44 ` Linus Torvalds
2019-09-04 23:44 ` Linus Torvalds
2019-09-04 23:44 ` Linus Torvalds
2019-09-04 23:44 ` Linus Torvalds
2019-09-04 23:44 ` Linus Torvalds
2019-09-04 20:19 ` [PATCH v12 11/12] open: openat2(2) syscall Aleksa Sarai
2019-09-04 20:19 ` Aleksa Sarai
2019-09-04 20:19 ` Aleksa Sarai
2019-09-04 20:19 ` Aleksa Sarai
2019-09-04 20:19 ` Aleksa Sarai
2019-09-04 21:00 ` Randy Dunlap
2019-09-04 21:00 ` Randy Dunlap
2019-09-04 21:00 ` Randy Dunlap
2019-09-04 21:00 ` Randy Dunlap
2019-09-04 21:00 ` Randy Dunlap
2019-09-07 12:40 ` Jeff Layton
2019-09-07 12:40 ` Jeff Layton
2019-09-07 12:40 ` Jeff Layton
2019-09-07 12:40 ` Jeff Layton
2019-09-07 12:40 ` Jeff Layton
2019-09-07 16:58 ` Linus Torvalds
2019-09-07 16:58 ` Linus Torvalds
2019-09-07 16:58 ` Linus Torvalds
2019-09-07 16:58 ` Linus Torvalds
2019-09-07 16:58 ` Linus Torvalds
2019-09-07 16:58 ` Linus Torvalds
2019-09-07 16:58 ` Linus Torvalds
2019-09-07 17:42 ` Andy Lutomirski
2019-09-07 17:42 ` Andy Lutomirski
2019-09-07 17:42 ` Andy Lutomirski
2019-09-07 17:42 ` Andy Lutomirski
2019-09-07 17:42 ` Andy Lutomirski
2019-09-07 17:42 ` Andy Lutomirski
2019-09-07 17:45 ` Linus Torvalds
2019-09-07 17:45 ` Linus Torvalds
2019-09-07 17:45 ` Linus Torvalds
2019-09-07 17:45 ` Linus Torvalds
2019-09-07 17:45 ` Linus Torvalds
2019-09-07 17:45 ` Linus Torvalds
2019-09-07 18:15 ` Andy Lutomirski
2019-09-07 18:15 ` Andy Lutomirski
2019-09-07 18:15 ` Andy Lutomirski
2019-09-07 18:15 ` Andy Lutomirski
2019-09-07 18:15 ` Andy Lutomirski
2019-09-07 18:15 ` Andy Lutomirski
2019-09-10 6:35 ` Ingo Molnar
2019-09-10 6:35 ` Ingo Molnar
2019-09-10 6:35 ` Ingo Molnar
2019-09-10 6:35 ` Ingo Molnar
2019-09-10 6:35 ` Ingo Molnar
2019-09-10 6:35 ` Ingo Molnar
2019-09-08 16:24 ` Aleksa Sarai
2019-09-08 16:24 ` Aleksa Sarai
2019-09-08 16:24 ` Aleksa Sarai
2019-09-08 16:24 ` Aleksa Sarai
2019-09-08 16:24 ` Aleksa Sarai
2019-09-04 20:19 ` [PATCH v12 12/12] selftests: add openat2(2) selftests Aleksa Sarai
2019-09-04 20:19 ` Aleksa Sarai
2019-09-04 20:19 ` Aleksa Sarai
2019-09-04 20:19 ` Aleksa Sarai
2019-09-04 20:19 ` Aleksa Sarai
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