From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6371F32FA2E for ; Mon, 20 Apr 2026 15:36:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776699409; cv=none; b=OmRLyOcqbE8PhDeGidnNcDLRNV5s9M4FhB5MEGx3HSLTVcpfMVE6LDELeOwgSLn+QK6KGQA25HeILWKiayc4OBpyJNXYi0Egs1ie5azEyNCTcO6bMO4ryG2z82bJmFHRl8Gcbgma1FwTW7dB9/wA+kqtyony7lZvWiD5KhtOGeo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776699409; c=relaxed/simple; bh=2UdaTs8H+StiygTWAEoCtUbaDZEZALTnFheiNtDzAo0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=bRfj9MQl6rXVSKNVl9OceZ3IivVNRKCQffkypNN7JjxPzDV/LTvYgqbqJto4ScK9c+R5yxmcsB8hBkZpnlBiPgiMA1ruNZPwurwvDyQ7GPk2PQrzprqBbLh6HgmQcTWIeqMKdbV8ZL8OX/UKtID+ocStHLO5gb08L+9tpZmUlOY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=jpzs03vW; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="jpzs03vW" 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> Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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