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Tue, 28 Jan 2025 10:45:05 -0500 X-MC-Unique: _UDh5xabOfuNR0SA5QAVhQ-1 X-Mimecast-MFC-AGG-ID: _UDh5xabOfuNR0SA5QAVhQ Received: from mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.4]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-01.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 4F7CB19560B3; Tue, 28 Jan 2025 15:45:02 +0000 (UTC) Received: from dhcp-27-174.brq.redhat.com (unknown [10.45.226.70]) by mx-prod-int-01.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with SMTP id 88BFC30001BE; Tue, 28 Jan 2025 15:44:52 +0000 (UTC) Received: by dhcp-27-174.brq.redhat.com (nbSMTP-1.00) for uid 1000 oleg@redhat.com; Tue, 28 Jan 2025 16:44:35 +0100 (CET) Date: Tue, 28 Jan 2025 16:44:25 +0100 From: Oleg Nesterov To: Eyal Birger Cc: kees@kernel.org, luto@amacapital.net, wad@chromium.org, mhiramat@kernel.org, andrii@kernel.org, jolsa@kernel.org, alexei.starovoitov@gmail.com, olsajiri@gmail.com, cyphar@cyphar.com, songliubraving@fb.com, yhs@fb.com, john.fastabend@gmail.com, peterz@infradead.org, tglx@linutronix.de, bp@alien8.de, daniel@iogearbox.net, ast@kernel.org, andrii.nakryiko@gmail.com, rostedt@goodmis.org, rafi@rbk.io, shmulik.ladkani@gmail.com, bpf@vger.kernel.org, linux-api@vger.kernel.org, linux-trace-kernel@vger.kernel.org, x86@kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: Re: [PATCH v2] seccomp: passthrough uretprobe systemcall without filtering Message-ID: <20250128154424.GB24845@redhat.com> References: <20250128145806.1849977-1-eyal.birger@gmail.com> Precedence: bulk X-Mailing-List: linux-api@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250128145806.1849977-1-eyal.birger@gmail.com> User-Agent: Mutt/1.5.24 (2015-08-30) X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.4 can't review, I know nothing about seccomp_cache, but On 01/28, Eyal Birger wrote: > > +static bool seccomp_is_const_allow(struct sock_fprog_kern *fprog, > + struct seccomp_data *sd) > +{ > +#ifdef __NR_uretprobe > + if (sd->nr == __NR_uretprobe > +#ifdef SECCOMP_ARCH_COMPAT > + && sd->arch != SECCOMP_ARCH_COMPAT > +#endif it seems you can check && sd->arch == SECCOMP_ARCH_NATIVE and avoid #ifdef SECCOMP_ARCH_COMPAT Oleg.