From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 9699CF588E3 for ; Mon, 20 Apr 2026 15:37:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=LAyspL7EKrIbDHqJCbcHFawJ+vEyVY/BSfDfp7E0fyE=; b=ljryLSl6bESAVa1ESGrWBtj95t SGAqB3cEqRgLp1orwLfRt1B3KTr67RGlYQPjNkZPNrWKLz5gRXGoiGoViTt0+SjeudpeID3rPeaQ1 M/bnE5cW+HZyjGXOSSOgu3LoXPBp4RzdGWR1CC4fAs+G0cOSFr47qwuWC57PD5415GL4DTM3DY82q gJlFnb4nqtlG4Z7WHX97UBDMLxBSujdo1+3pzz3L0gtCbtiRm+PpoNGZd4TTTIEVk4EMAwbJTeRC8 c1M34JzCwtZhZo9rBjD6QOYHy7NOrhVrNVWP7CZVF/OVKqsfpZOWxAidU9a2fM7Ewo87OkB/MZ/yD JPXSDb4w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1wEqgA-00000007K9r-0BJN; Mon, 20 Apr 2026 15:36:54 +0000 Received: from sea.source.kernel.org ([2600:3c0a:e001:78e:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1wEqg5-00000007K7d-1uLg for linux-arm-kernel@lists.infradead.org; Mon, 20 Apr 2026 15:36:50 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 2C2EF42A7B; Mon, 20 Apr 2026 15:36:49 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id C11C8C19425; Mon, 20 Apr 2026 15:36:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1776699409; bh=2UdaTs8H+StiygTWAEoCtUbaDZEZALTnFheiNtDzAo0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jpzs03vWdlaSNYOXmfDIRlEpf3+TPokpmhlKeG8dQZogDJrYL/nQZDAcL83S0lsb1 ArCFF8oZKqk6iDMI2aFu2NOLhRAnfS2LW8N0EEIzHnabxC8guaboPbHemdiqtuOV6Z bG91eSzR6tsAQiKPzXC4MB7GclcXYZF1Ew1RBeDmB643BBj/amGBlm4VT9jcWs2VDJ D/2D2wQEOvCIERCBU9H/dBy71T7DryPPZxpVTP10B/34JKZK1RHHknbJuN6uL1hTnu oNJl/9cZkSqEiPTw3BcjfV8kKBEO7KiXhIjp4JIKKu9uhoNjZM+NaH3jR8djwuLodE zczFSENU62bSg== From: Puranjay Mohan To: bpf@vger.kernel.org Cc: Puranjay Mohan , "Alexei Starovoitov" , "Daniel Borkmann" , "Andrii Nakryiko" , "Martin KaFai Lau" , "Eduard Zingerman" , "Kumar Kartikeya Dwivedi" , "Song Liu" , "Yonghong Song" , "Xu Kuohai" , "Catalin Marinas" , "Will Deacon" , linux-arm-kernel@lists.infradead.org Subject: [PATCH bpf-next 3/3] selftests/bpf: Enable stack argument tests for arm64 Date: Mon, 20 Apr 2026 08:36:01 -0700 Message-ID: <20260420153603.4097618-4-puranjay@kernel.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260420153603.4097618-1-puranjay@kernel.org> References: <20260420153603.4097618-1-puranjay@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260420_083649_571167_7FD259E1 X-CRM114-Status: UNSURE ( 9.95 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Now that arm64 supports stack arguments, enable the existing stack_arg, stack_arg_kfunc and verifier_stack_arg tests for __TARGET_ARCH_arm64. Signed-off-by: Puranjay Mohan --- tools/testing/selftests/bpf/progs/stack_arg.c | 3 ++- .../testing/selftests/bpf/progs/stack_arg_kfunc.c | 3 ++- .../selftests/bpf/progs/verifier_stack_arg.c | 15 ++++++++++++++- 3 files changed, 18 insertions(+), 3 deletions(-) diff --git a/tools/testing/selftests/bpf/progs/stack_arg.c b/tools/testing/selftests/bpf/progs/stack_arg.c index 8c198ee952ff..b1276009fd30 100644 --- a/tools/testing/selftests/bpf/progs/stack_arg.c +++ b/tools/testing/selftests/bpf/progs/stack_arg.c @@ -23,7 +23,8 @@ struct { int timer_result; -#if defined(__TARGET_ARCH_x86) && defined(__BPF_FEATURE_STACK_ARGUMENT) +#if (defined(__TARGET_ARCH_x86) || defined(__TARGET_ARCH_arm64)) && \ + defined(__BPF_FEATURE_STACK_ARGUMENT) const volatile bool has_stack_arg = true; diff --git a/tools/testing/selftests/bpf/progs/stack_arg_kfunc.c b/tools/testing/selftests/bpf/progs/stack_arg_kfunc.c index 6cc404d57863..3818cd0cb67b 100644 --- a/tools/testing/selftests/bpf/progs/stack_arg_kfunc.c +++ b/tools/testing/selftests/bpf/progs/stack_arg_kfunc.c @@ -6,7 +6,8 @@ #include "bpf_kfuncs.h" #include "../test_kmods/bpf_testmod_kfunc.h" -#if defined(__TARGET_ARCH_x86) && defined(__BPF_FEATURE_STACK_ARGUMENT) +#if (defined(__TARGET_ARCH_x86) || defined(__TARGET_ARCH_arm64)) && \ + defined(__BPF_FEATURE_STACK_ARGUMENT) const volatile bool has_stack_arg = true; diff --git a/tools/testing/selftests/bpf/progs/verifier_stack_arg.c b/tools/testing/selftests/bpf/progs/verifier_stack_arg.c index 66dd11840a63..8f1eef911f70 100644 --- a/tools/testing/selftests/bpf/progs/verifier_stack_arg.c +++ b/tools/testing/selftests/bpf/progs/verifier_stack_arg.c @@ -12,7 +12,8 @@ struct { __type(value, long long); } map_hash_8b SEC(".maps"); -#if defined(__TARGET_ARCH_x86) && defined(__BPF_FEATURE_STACK_ARGUMENT) +#if (defined(__TARGET_ARCH_x86) || defined(__TARGET_ARCH_arm64)) && \ + defined(__BPF_FEATURE_STACK_ARGUMENT) __noinline __used static int subprog_6args(int a, int b, int c, int d, int e, int f) @@ -36,6 +37,7 @@ SEC("tc") __description("stack_arg: subprog with 6 args") __success __arch_x86_64 +__arch_arm64 __naked void stack_arg_6args(void) { asm volatile ( @@ -55,6 +57,7 @@ SEC("tc") __description("stack_arg: two subprogs with >5 args") __success __arch_x86_64 +__arch_arm64 __naked void stack_arg_two_subprogs(void) { asm volatile ( @@ -84,6 +87,7 @@ SEC("tc") __description("stack_arg: read from uninitialized stack arg slot") __failure __arch_x86_64 +__arch_arm64 __msg("invalid read from stack arg off 8 depth 0") __naked void stack_arg_read_uninitialized(void) { @@ -99,6 +103,7 @@ SEC("tc") __description("stack_arg: gap at offset -8, only wrote -16") __failure __arch_x86_64 +__arch_arm64 __msg("stack arg#6 not properly initialized") __naked void stack_arg_gap_at_minus8(void) { @@ -120,6 +125,7 @@ __description("stack_arg: pruning with different stack arg types") __failure __flag(BPF_F_TEST_STATE_FREQ) __arch_x86_64 +__arch_arm64 __msg("R1 invalid mem access 'scalar'") __naked void stack_arg_pruning_type_mismatch(void) { @@ -157,6 +163,7 @@ SEC("tc") __description("stack_arg: release_reference invalidates stack arg slot") __failure __arch_x86_64 +__arch_arm64 __msg("R1 invalid mem access 'scalar'") __naked void stack_arg_release_ref(void) { @@ -207,6 +214,7 @@ SEC("tc") __description("stack_arg: pkt pointer in stack arg slot invalidated after pull_data") __failure __arch_x86_64 +__arch_arm64 __msg("R1 invalid mem access 'scalar'") __naked void stack_arg_stale_pkt_ptr(void) { @@ -246,6 +254,7 @@ SEC("tc") __description("stack_arg: null propagation rejects deref on null branch") __failure __arch_x86_64 +__arch_arm64 __msg("R1 invalid mem access 'scalar'") __naked void stack_arg_null_propagation_fail(void) { @@ -285,6 +294,7 @@ SEC("tc") __description("stack_arg: missing store on one branch") __failure __arch_x86_64 +__arch_arm64 __msg("stack arg#6 not properly initialized") __naked void stack_arg_missing_store_one_branch(void) { @@ -327,6 +337,7 @@ SEC("tc") __description("stack_arg: share a store for both branches") __success __retval(0) __arch_x86_64 +__arch_arm64 __naked void stack_arg_shared_store(void) { asm volatile ( @@ -369,6 +380,7 @@ SEC("tc") __description("stack_arg: write beyond max outgoing depth") __failure __arch_x86_64 +__arch_arm64 __msg("stack arg write offset -80 exceeds max 7 stack args") __naked void stack_arg_write_beyond_max(void) { @@ -393,6 +405,7 @@ SEC("tc") __description("stack_arg: sequential calls reuse slots") __failure __arch_x86_64 +__arch_arm64 __msg("stack arg#6 not properly initialized") __naked void stack_arg_sequential_calls(void) { -- 2.52.0