From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 487363F2115; Tue, 2 Jun 2026 14:47:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780411672; cv=none; b=t8ffYfKOq01TwWkvTAZ42VkuQEjiJeviZBfyVU7xdkjBtZCl2Hsb1PIuyRPqggfkjAnWdHEXPJozSFE9tn3Cmqs8pb7mwUgoi73nbsejhWF090Clk74mxGSV50PCEzgnZytVv3ODwCKgrc1uJ9h+opIWxJiBb0GVKeclImAqr4I= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780411672; c=relaxed/simple; bh=GLUFbbIEHS0K9sAkY65AIMIBJlV7lJXIB46SducMo/c=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=LN+VvlvX+9HhE0K/yw5nmDVKS1wCkp5q1PvP35QXvmZbL7SEZZmWSHaZKxcFPRpxXS0GOpsndNdxNYwx6/E2SjfoayRnc+FE3mSC5Czb75xZXR25pswoZHZCIO1KYODfJgt/ABfFIc8wl0o5wzIFxlBJD4pOVn14Jy/ycHC40JI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; dkim=pass (1024-bit key) header.d=arm.com header.i=@arm.com header.b=D02CeUF/; arc=none smtp.client-ip=217.140.110.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=arm.com header.i=@arm.com header.b="D02CeUF/" Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id EA7E03560; Tue, 2 Jun 2026 07:47:45 -0700 (PDT) Received: from e132581.arm.com (e132581.arm.com [10.1.196.87]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 7269A3F632; Tue, 2 Jun 2026 07:47:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1780411670; bh=GLUFbbIEHS0K9sAkY65AIMIBJlV7lJXIB46SducMo/c=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=D02CeUF/kZjFaBUr2nqAaink6RjHRSFLEhkOHVwT7nZmeYkPJCkEACzeMoV79AyU5 4FMx2kamJbQDZkvaQfBoZC6OtNcfphmb3HlvT+GgcKG/CdtC1BD1FPITCXAZNvFeUo 9VPXVKaMz/a8A4QGJLc28Auh0Ytr3HjlCmvlgJI4= From: Leo Yan Date: Tue, 02 Jun 2026 15:47:15 +0100 Subject: [PATCH bpf-next v2 6/8] selftests/bpf: Initialize operation name before use Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260602-tools_build_fix_zero_init_bpf_only-v2-6-c76e5250ea1c@arm.com> References: <20260602-tools_build_fix_zero_init_bpf_only-v2-0-c76e5250ea1c@arm.com> In-Reply-To: <20260602-tools_build_fix_zero_init_bpf_only-v2-0-c76e5250ea1c@arm.com> To: Quentin Monnet , Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Martin KaFai Lau , Eduard Zingerman , Song Liu , Yonghong Song , John Fastabend , KP Singh , Stanislav Fomichev , Hao Luo , Jiri Olsa , Shuah Khan , Lorenz Bauer , Nathan Chancellor , Nick Desaulniers , Bill Wendling , Justin Stitt Cc: Arnaldo Carvalho de Melo , Namhyung Kim , Ian Rogers , James Clark , Kees Cook , bpf@vger.kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, llvm@lists.linux.dev, Leo Yan X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1780411637; l=1077; i=leo.yan@arm.com; s=20250604; h=from:subject:message-id; bh=GLUFbbIEHS0K9sAkY65AIMIBJlV7lJXIB46SducMo/c=; b=63cu9sDDg2Uz0Wc5e/+QysEkWtM1JbgeG8xJVPiOdWZ8bRfEo1F7xW3cTb/FEeWG5oWNMfs19 qrfEQ+WzW7UBJwEEFH7HkCgTVsvwvacSMBbB0QJmlyodoAa9uj3JJ53 X-Developer-Key: i=leo.yan@arm.com; a=ed25519; pk=k4BaDbvkCXzBFA7Nw184KHGP5thju8lKqJYIrOWxDhI= ASAN reports stack-buffer-overflow due to the uninitialized op_name. Initialize it to fix the issue. Fixes: 054b6c7866c7 ("selftests/bpf: Add verifier log tests for BPF_BTF_LOAD command") Signed-off-by: Leo Yan --- tools/testing/selftests/bpf/prog_tests/verifier_log.c | 1 + 1 file changed, 1 insertion(+) diff --git a/tools/testing/selftests/bpf/prog_tests/verifier_log.c b/tools/testing/selftests/bpf/prog_tests/verifier_log.c index c01c0114af1b7476d27885ce380d90400a4bdc89..4542bb586d723b8fda2faf8261066f16102c60c0 100644 --- a/tools/testing/selftests/bpf/prog_tests/verifier_log.c +++ b/tools/testing/selftests/bpf/prog_tests/verifier_log.c @@ -317,6 +317,7 @@ static void verif_btf_log_subtest(bool bad_btf) res = load_btf(&opts, true); ASSERT_EQ(res, -ENOSPC, "half_log_fd"); ASSERT_EQ(strlen(logs.buf), 24, "log_fixed_25"); + strscpy(op_name, "log_fixed", sizeof(op_name)); ASSERT_STRNEQ(logs.buf, logs.reference, 24, op_name); /* validate rolling verifier log logic: try all variations of log buf -- 2.34.1