From: Christian Brauner <christian.brauner@ubuntu.com>
To: Sargun Dhillon <sargun@sargun.me>
Cc: linux-kernel@vger.kernel.org, linux-api@vger.kernel.org,
Jann Horn <jannh@google.com>, Kees Cook <keescook@chromium.org>,
Aleksa Sarai <cyphar@cyphar.com>, Tycho Andersen <tycho@tycho.ws>
Subject: Re: [PATCH v3 1/3] samples, selftests/seccomp: Zero out seccomp_notif
Date: Sun, 29 Dec 2019 17:11:28 +0100 [thread overview]
Message-ID: <20191229161126.xcrnzdqu5frrov6q@wittgenstein> (raw)
In-Reply-To: <20191229062451.9467-1-sargun@sargun.me>
On Sat, Dec 28, 2019 at 10:24:49PM -0800, Sargun Dhillon wrote:
> The seccomp_notif structure should be zeroed out prior to calling the
> SECCOMP_IOCTL_NOTIF_RECV ioctl. Previously, the kernel did not check
> whether these structures were zeroed out or not, so these worked.
>
> This patch zeroes out the seccomp_notif data structure prior to calling
> the ioctl.
>
> Signed-off-by: Sargun Dhillon <sargun@sargun.me>
> Reviewed-by: Tycho Andersen <tycho@tycho.ws>
> Cc: Kees Cook <keescook@chromium.org>
> Cc: Christian Brauner <christian.brauner@ubuntu.com>
Thanks!
Reviewed-by: Christian Brauner <christian.brauner@ubuntu.com>
next prev parent reply other threads:[~2019-12-29 16:11 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-29 6:24 [PATCH v3 1/3] samples, selftests/seccomp: Zero out seccomp_notif Sargun Dhillon
2019-12-29 6:24 ` [PATCH v3 2/3] seccomp: Check that seccomp_notif is zeroed out by the user Sargun Dhillon
2019-12-30 18:29 ` Kees Cook
2019-12-29 6:24 ` [PATCH v3 3/3] selftests/seccomp: Test kernel catches garbage on SECCOMP_IOCTL_NOTIF_RECV Sargun Dhillon
2019-12-29 17:14 ` Christian Brauner
2019-12-29 19:06 ` Sargun Dhillon
2019-12-29 19:43 ` Christian Brauner
2019-12-29 23:42 ` Sargun Dhillon
2019-12-30 18:29 ` Kees Cook
2019-12-29 16:11 ` Christian Brauner [this message]
2019-12-30 18:29 ` [PATCH v3 1/3] samples, selftests/seccomp: Zero out seccomp_notif Kees Cook
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