From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 C7189415F05; Tue, 21 Jul 2026 18:00:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784656839; cv=none; b=Re8DQgnjOrxZj03UZKbcm85S0tYuBOBYU1pSqTaoAAaLyRBCLSptUmqrN9bVnxn1CFQHPYqmcOBtN61tyoF3YBAUaLlAOwnaQ3pjTTrcUPRk+lTo+c7NZ8GEfG4CAic4jTmevfXaM1F62EYZ7sNEu9VaTxHlr83ZcApeiebtziY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784656839; c=relaxed/simple; bh=m+lgXC1Ew0/bBQHUvxO2oqk3Pw5UL2voRfFZzocjUoc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Dz6AEEENbJ+9R3OH5HFAdlZFVap8SIp1RND948KmbX3jAy30thhIiRBg+u3Cw/LhX29nm01u6qQXwkHpmIwCdQHtmCLslVhfVrXBsy5F9I1j7tYC3ZziMehO/l8jccY/7OSZBb0IxZbffajcex+beDX7M5l8I5ajNTExxa5PnC4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=APlEOUj8; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="APlEOUj8" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0A6D51F00A3D; Tue, 21 Jul 2026 18:00:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1784656838; bh=MN1+r2W/IFGVSrTgcbnxCZjBB3xP7XCClc3Q0ejn7t8=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=APlEOUj8f0d3p9NoPVwxX3mJYglf5CZONr64CB5CTpjK9g5Xw80hvDjZB8sTrvUml +Qvt6Do21essZF+EKBAaF3RnyuKQWL8t4NXdAkrLC/fl5lyEvtY6rGC1IwfchMXCwL 97pbU6vSDl+cBKErb4vDaUWJURd9l5tydtM/jwcI= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Leo Yan , Ihor Solodrai , Alexei Starovoitov , Sasha Levin Subject: [PATCH 6.18 0538/1611] selftests/bpf: Initialize operation name before use Date: Tue, 21 Jul 2026 17:10:54 +0200 Message-ID: <20260721152527.462775903@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260721152514.750365251@linuxfoundation.org> References: <20260721152514.750365251@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.18-stable review patch. If anyone has any objections, please let me know. ------------------ From: Leo Yan [ Upstream commit 55ffbe8a15b1254f44d56952fb425a10e3f15c31 ] 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 Acked-by: Ihor Solodrai Link: https://lore.kernel.org/r/20260602-tools_build_fix_zero_init_bpf_only-v2-6-c76e5250ea1c@arm.com Signed-off-by: Alexei Starovoitov Signed-off-by: Sasha Levin --- 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 8337c6bc5b95b6..abc473c3741f53 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 -- 2.53.0