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[83.42.66.234]) by smtp.gmail.com with ESMTPSA id la9sm1176414ejb.121.2020.11.02.07.11.45 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 02 Nov 2020 07:11:45 -0800 (PST) Subject: Re: [PATCH] virtiofsd: Seccomp: Add 'send' for syslog To: "Dr. David Alan Gilbert (git)" , qemu-devel@nongnu.org, virtio-fs@redhat.com, amulmek1@in.ibm.com, stefanha@redhat.com References: <20201102150750.34565-1-dgilbert@redhat.com> From: =?UTF-8?Q?Philippe_Mathieu-Daud=c3=a9?= Message-ID: Date: Mon, 2 Nov 2020 16:11:44 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.3.1 MIME-Version: 1.0 In-Reply-To: <20201102150750.34565-1-dgilbert@redhat.com> Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=philmd@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=63.128.21.124; envelope-from=philmd@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/11/02 03:02:24 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, NICE_REPLY_A=-0.001, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 11/2/20 4:07 PM, Dr. David Alan Gilbert (git) wrote: > From: "Dr. David Alan Gilbert" > > On ppc it looks like syslog ends up using 'send' rather than 'sendto'. > > Reference: https://github.com/kata-containers/kata-containers/issues/1050 > > Reported-by: amulmek1@in.ibm.com > Signed-off-by: Dr. David Alan Gilbert > --- > tools/virtiofsd/passthrough_seccomp.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/tools/virtiofsd/passthrough_seccomp.c b/tools/virtiofsd/passthrough_seccomp.c > index eb9af8265f..672fb72a31 100644 > --- a/tools/virtiofsd/passthrough_seccomp.c > +++ b/tools/virtiofsd/passthrough_seccomp.c > @@ -118,6 +118,7 @@ static const int syscall_whitelist[] = { > > /* Syscalls used when --syslog is enabled */ > static const int syscall_whitelist_syslog[] = { Is it worth restricting the syscall to POWER? #if defined(__powerpc64__) > + SCMP_SYS(send), #endif > SCMP_SYS(sendto), > }; > >